EP3141693B1 - Bohrflüssigkeitsregenerierungsvorrichtung - Google Patents

Bohrflüssigkeitsregenerierungsvorrichtung Download PDF

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Publication number
EP3141693B1
EP3141693B1 EP16188189.1A EP16188189A EP3141693B1 EP 3141693 B1 EP3141693 B1 EP 3141693B1 EP 16188189 A EP16188189 A EP 16188189A EP 3141693 B1 EP3141693 B1 EP 3141693B1
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EP
European Patent Office
Prior art keywords
drilling fluid
drilling
tank
regeneration device
valve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP16188189.1A
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German (de)
English (en)
French (fr)
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EP3141693A1 (de
Inventor
Josef Schad
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Max Wild GmbH
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Max Wild GmbH
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Publication date
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Priority to PL16188189T priority Critical patent/PL3141693T3/pl
Publication of EP3141693A1 publication Critical patent/EP3141693A1/de
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Publication of EP3141693B1 publication Critical patent/EP3141693B1/de
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/06—Arrangements for treating drilling fluids outside the borehole
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/25—Methods for stimulating production
    • E21B43/26—Methods for stimulating production by forming crevices or fractures
    • E21B43/2607—Surface equipment specially adapted for fracturing operations

Definitions

  • the invention relates to a Bohrierikeitsregener michsvortechnisch and a drilling assembly with such Bohrillonkeitsregener michsvortechnisch.
  • the well fluid recovery apparatus includes a cleaning assembly for cleaning supplied drilling fluid, a tank assembly for storing cleaned drilling fluid fluidly connected to the cleaning assembly, and a recovery assembly for processing purified drilling fluid fluidly connected to the tank assembly.
  • This may be a Bohrierikeitsregener réellesvortechnisch Regenerate drilling fluid from a drill so that it can be used again for a drilling operation.
  • a drilling fluid regeneration device is used when drilling is carried out, then the described regeneration of the drilling fluid can save a considerable amount of water.
  • a drilling fluid regeneration device which can be mounted on a vehicle.
  • several cleaning stages for the drilling fluid are arranged one after the other.
  • the regenerated drilling fluid is returned to a bore after passing through the plant.
  • the Bohr thoroughlykeitsregener istsvorraum is inventively mounted on a vehicle. This can in particular facilitate the transport. It is also designed so that it can be moved to the vehicle in a ready-to-operate state. This can be significantly reduced in particular the effort at the site of use.
  • Bohr thoroughlykeitsregener michsvorraum can advantageously be used directly on the vehicle, so that cumbersome unloading and other activities such as cabling or suitable merging of containers omitted.
  • the vehicle may be a truck, a trailer, a railway wagon or a ship. This allows suitable transport to a job site.
  • other vehicles are also conceivable.
  • the drilling fluid regeneration device may in particular be mounted on the vehicle in an operational state.
  • the Bohrierikeitsregener michsvorraum can be used directly, without further work is necessary.
  • a trough can be set up next to the Bohrierikeitsregener michsvortechnisch, which will be discussed in more detail below.
  • the drilling fluid regeneration device comprises a generator for power supply.
  • a power supply can be achieved on the spot without additional effort.
  • Bohrierikeitsregener michsvorraum are preferably electrically operable, in particular all can be electrically operated.
  • Bohrierikeitsregener michsvorraum be facilitated, since in such areas typically electricity is unproblematic available, but at the same time the operation of a diesel engine due to noise and exhaust gases would lead to problems with local residents.
  • the elements or some of the elements of the drilling fluid regeneration device may also be designed differently, for example for operation by means of hydraulics and / or via a central shaft.
  • This allows, for example, a drive by means of an internal combustion engine.
  • a hydraulic pump or a central shaft can in turn also be operated electrically.
  • the generator is connected to its drive with an engine of the vehicle. This eliminates the need for a separate drive, which saves space and weight.
  • On Vehicle engine such as the normal main engine of a truck, is typically easily capable of driving a generator of sufficient capacity for a drilling fluid regeneration device.
  • the drilling fluid regeneration device can also have an electrical connection, in particular a high-voltage connection, for the power supply.
  • an electrical connection in particular a high-voltage connection, for the power supply.
  • a locally existing power grid as it is usually easily available, for example, in urban areas, can be used.
  • the drilling fluid regeneration device has a camera for monitoring, in particular the cleaning arrangement.
  • a camera for monitoring, in particular the cleaning arrangement.
  • an operator it is common for an operator to be turned off solely to monitor the drilling fluid regeneration apparatus, and particularly the cleaning assembly, to detect malfunctions or other problems as early as possible. This leads to additional personnel expenditure.
  • the Bohrierikeitsregener istsvorraum can be remotely monitored. For example, it can advantageously be monitored by the same operator who also performs other control and monitoring tasks and / or supervises or carries out the drilling process.
  • the camera is oriented such that it has at least the cleaning arrangement in the field of view. This allows the monitoring of the most critical area.
  • the drilling fluid regeneration device has a control device for wireless or wired remote control, in particular for displaying and / or controlling operating parameters of the drilling fluid regeneration device, on.
  • a control device for wireless or wired remote control in particular for displaying and / or controlling operating parameters of the drilling fluid regeneration device, on.
  • the controller is advantageously configured to display an image, sequence or video of the camera on a display.
  • the control device can be used simultaneously not only for general control and monitoring functions, but also for camera-based monitoring of the Bohrierikeitsregener mecanicsvorraum, in particular the cleaning arrangement.
  • the cleaning arrangement has at least one vibrating screen or a shaker.
  • a screen may be provided, to which the supplied drilling fluid is passed and which shakes electrically or in any other way, that is, for example, horizontally moved back and forth.
  • the cleaning arrangement has an automated, in particular monitored by a control leveling.
  • manual leveling steps such as may otherwise be required, for example, to ensure smooth running of a centrifuge or a vibrating screen, can be avoided. This can significantly reduce the time it takes to start a drilling process and also significantly increases cleaning efficiency.
  • the cleaning arrangement has a centrifuge. This can preferably be connected downstream of the vibrating screen. By means of such a centrifuge particularly even finer dirt particles can be filtered out of the drilling fluid than by means of Jottelsiebs.
  • the centrifuge may in particular have a power control. This can regulate, for example, the rotational speed of the centrifuge and / or an operating period. In particular, it can fall back on an initially measured quality of the supplied drilling fluid, for example, a proportion of dirt particles or sludge can be used as a quality factor. With already good quality of the supplied drilling fluid can be centrifuged, for example, only briefly and / or only slightly. This electrical energy can be saved, which is typically only limited available at the site. Incidentally, identical or similar power control can also be provided for the vibrating screen.
  • the cleaning arrangement can in particular be designed to deliver separated solids, in particular from the vibrating screen and / or from the centrifuge, into a depression.
  • a trough may be part of the Bohrierikeitsregener michsvorraum. It may be formed, for example, in the form of a container on the vehicle, wherein the container for emptying is preferably formed tiltable and / or removable. However, the trough may also be separate to the drilling fluid regeneration device. For example, it may be formed as a container which is adjacent to the Bohrierikeitsregener michsvorraum. For example, such a container may be delivered directly to the site of operation prior to commissioning of the drilling fluid recovery apparatus and placed adjacent to the drilling fluid regeneration apparatus.
  • the tank arrangement preferably has at least one first tank and one second tank, which in particular are connected redundantly and / or hierarchically.
  • a redundant connection can be understood in particular to mean that the tanks can be used in a similar or the same way.
  • a hierarchical connection can be understood as meaning that the tanks can be switched for different uses, for example as described below for conditioning and emptying. It should be understood, however, that this hierarchy does not have to be permanently fixed but may, for example, be reversed.
  • the first tank and the second tank may in particular be connected to the cleaning arrangement for selectively supplying drilling fluid into the tanks via a number of lines with valves arranged thereon.
  • drilling fluid can be selectively directed into one of the tanks.
  • good quality (regenerated) drilling fluid can be collected in a tank for further use without treatment.
  • Good quality drilling fluid can also be mixed in a tank of poor quality drilling fluid to achieve acceptable overall quality.
  • poor quality drilling fluid can be collected in a treatment tank.
  • a treatment of low-quality drilling fluid can be carried out efficiently, while at the same time, for example, drilling fluid of good quality from another tank is used for drilling.
  • the amount of drilling fluid to be treated can be reduced and, in particular, it can be dispensed with preparing drilling fluid of good quality.
  • the first tank and the second tank are connected via a number of lines with valves arranged thereon to the treatment arrangement for the selective supply of drilling fluid to the treatment arrangement.
  • valves By suitable control or circuit of the valves can thus be carried out a selective filling of the tanks.
  • the treatment assembly may also be advantageously connected to the first tank and the second tank for selectively supplying drilling fluid into the tanks via a number of conduits having valves disposed thereon. In particular, this allows selective delivery of treated drilling fluid into the tanks.
  • the cleaning arrangement is connected to the treatment arrangement via a first connection line and a second connection line, wherein in the first connection line, seen from the cleaning arrangement, a first Valve, a second valve and a third valve are arranged, wherein the second connecting line via the first valve and the second valve is arranged fluidly parallel to the first connecting line, wherein a first branch line between the first valve and the second valve branches off from the first connecting line and is connected to the first tank, wherein in the second connecting line, a fourth valve and a fifth valve are arranged, and wherein a second branch line branches off from the second connecting line between the fourth valve and the fifth valve and is connected to the second tank.
  • the treatment arrangement is connected to a drilling fluid drainage via a third connecting line and a fourth connecting line, wherein in the third connecting line, a sixth valve and a seventh valve are arranged, wherein the fourth connecting line via the sixth valve and the seventh valve fluidly parallel to third connection line is arranged, wherein a third branch line between the sixth valve and the seventh valve branches off from the third connection line and is connected to the first tank, wherein in the fourth connection line an eighth valve and a ninth valve are arranged, and wherein a fourth branch line is branched from the fourth connection line between the eighth valve and the ninth valve and connected to the second tank.
  • This also allows a particularly high flexibility, as will be described below with reference to the embodiments.
  • the treatment arrangement skillfully has a mixing unit for admixing substances, in particular bentonite, into the drilling fluid.
  • a mixing unit for admixing substances in particular bentonite
  • This allows a treatment of the drilling fluid by admixing such a substance, in particular a substance that has proven to be beneficial in assisting the drilling process.
  • the mixing unit preferably has a storage container, in particular for bentonite. This allows a stock to be fed to the drilling fluid for conditioning directly within the drilling fluid regeneration device. On separate storage can thus be dispensed with advantageous.
  • a pump can be arranged fluidically on the output side to the cleaning arrangement. This may pump cleaned drilling fluid away from the cleaning assembly and, for example, into the previously mentioned tanks.
  • the treatment arrangement may advantageously have a treatment pump.
  • treated or reprocessed drilling fluid can be pumped by means of the treatment pump in the tanks or one of the tanks. This may be particularly advantageous when drilling fluid is pumped for treatment in the circulation.
  • a transfer pump is arranged fluidically before the drilling fluid drainage. This can be used, in particular, to pressurize drilling fluid regenerated by the drilling fluid regeneration device before it is discharged, for example to cause it to arrive at a drilling rig at a certain pressure or to pump it to the drilling head with a high-pressure pump.
  • the cleaning arrangement may in particular comprise a screw pump, which is arranged in particular fluidically between vibrating screen and centrifuge. This can promote drilling fluid, which has been freed, for example, from coarser impurities by means of the vibrating screen, to the centrifuge, where an even better cleaning can be carried out. It should be noted, however, that, for example, with sufficient quality after the vibrating screen, the centrifuge can be bypassed to save energy in this way. Likewise, with appropriate quality, the vibrating screen could be bypassed, so that supplied drilling fluid is passed directly into the centrifuge.
  • the Bohr thoroughlykeitsregener michsvorraum preferably has an inlet which is fluidly connected to the cleaning assembly, in particular with the vibrating screen.
  • the Bohrierikeitsregener michsvorraum receive drilling fluid and in particular directly to the vibrating screen, which is typically the coarsest cleaning stage, in which thus the coarsest dirt can be filtered out.
  • the drilling fluid regeneration device may have a control unit which is designed to monitor valves and / or pumps.
  • This control unit may in particular carry out the method features described above or elsewhere in this application.
  • it may be configured to control the drilling fluid regeneration apparatus such that the consumption of energy, such as electrical energy or fuel, and / or the consumption of supplies or additives for the drilling fluid is minimized. This can lead to a considerable improvement in the usability, since the supply of a Bohrierikeitsregener michsvortechnisch with energy, supplies or additives typically requires a very large effort.
  • the control device can be embodied, for example, as a microcontroller, microprocessor, computer, programmable logic controller (PLC), application-specific integrated circuit (ASIC) or other programmable or hardwired circuit.
  • the control device may comprise processor means and memory means, wherein in the memory means program code is stored, when executed by the processor means, a particular, for example, inventive method is performed.
  • the drilling fluid regeneration device may comprise a number of level sensors communicatively connected to the control unit.
  • each tank is assigned a respective fill level sensor. This allows the fill levels of the respective tanks to be monitored. This allows the control unit to consider the levels in control tasks. For example, when drilling fluid is removed, it may be switched to another tank when a currently used tank is empty.
  • a treatment process can also be started for a drilling fluid of poor quality located in a tank, for example in order to add additional bentonite if the concentration of bentonite is too low during the treatment process.
  • the drilling fluid regeneration device may comprise a number of quality sensors which are communicatively connected to the control unit. These quality sensors can be used both for internal control and for documentation purposes.
  • a quality sensor may include parameters such as a content of a bentonite or other additive, a pH, a level of sludge, debris, boron or other contaminants, a temperature, a density, a conductance, a transmission, or other chemical or physical parameters. It is also possible to measure all or any subcombination of these parameters. For example, such a parameter may be used as a quality indicator. Several such parameters can also be used as a quality indicator. It can also be a quality measure based be calculated on several parameters by means of a predetermined calculation rule. The parameters can be weighted, for example.
  • good quality drilling fluid can be assumed when a particular parameter falls below or exceeds a threshold, when a number of parameters fall short of or exceed thresholds, or when a quality measure falls below or exceeds a threshold.
  • threshold values of drilling fluid of poor quality can be assumed.
  • use of the drilling fluid for drilling may be provided.
  • drilling fluid of poor quality for example, a treatment process can be initiated.
  • the drilling fluid regeneration device may, for example, comprise at least one pressure and / or flow sensor which is communicatively connected to the control unit and which is arranged fluidically adjacent to the drilling fluid drainage.
  • a quality sensor can also be arranged fluidically adjacent to the drilling fluid discharge.
  • data relating to the quality of the delivered drilling fluid and / or with regard to an emitted volume flow and a pressure thereof can thus be obtained.
  • This data can not only be used for control purposes in the control device, but in particular can also be stored in a database.
  • a suitable documentation can be created, so that it is possible, for example in case of problems occurring at the borehole, to see whether there is possibly a problem with the drilling fluid.
  • the documented data may be used, for example, to ensure proper operation of the drilling fluid regeneration device to be able to prove. Cleverly, the documentation is based on the drilling depth, so that the drilling progress is documented.
  • each tank is assigned a quality sensor.
  • the quality in the tanks can be monitored independently, so that for example it can be determined which tank is used as a source for dispensed drilling fluid and for which tank a treatment process should be initiated.
  • the processing arrangement is associated with a quality sensor.
  • a quality sensor may be provided before or at a location where conditioning occurs.
  • respective quality sensors may be provided before and after such a location.
  • the treatment can thus be controlled and / or regulated.
  • the Bohrierikeitsregener istsvortechnisch has according to a preferred embodiment, at least one input flow sensor, which is communicatively connected to the control unit, wherein the input flow sensor is arranged fluidly in front of the cleaning assembly.
  • a quality of the drilling fluid can already be determined at the beginning of the treatment. For example, depending on the quality measured at this point, it can be decided whether and with what intensity and / or with what duration the drilling fluid by means of the vibrating screen or by means of the centrifuge, or more generally by means of the cleaning arrangement.
  • the control unit may in particular be configured to monitor quality, in particular a content of bentonite, of drilling fluid in the first tank and the second tank by means of the quality sensors. This can be decided in particular how to proceed with the drilling fluids in the respective tanks on.
  • the control unit may preferably be configured to initiate a treatment process for the drilling fluid in the respective tank in response to a quality recognized as being too low. So that drilling fluid, which is not usable in the current state, be converted back into a usable state. This can save water. At the same time it is ensured that only drilling fluid is prepared, in which this is actually necessary. This saves operating supplies, additives and energy.
  • the control unit may be configured to switch valves for introducing a drilling fluid conditioning process into a tank such that the drilling fluid stored in the respective tank is routed through the treatment assembly and back into the tank. This may correspond to pumping in the circuit.
  • the control unit is preferably configured to switch valves during a treatment process for a drilling fluid in a tank in such a way that drilling fluid is conducted from the cleaning arrangement into the other tank.
  • the cleaning and storage of drilling fluid can continue, even if a tank just can not be filled, because the drilling fluid stored in it is being processed.
  • the controller may be configured to switch valves during a drilling fluid conditioning process in a tank to direct drilling fluid from the other reservoir to the drilling fluid drain.
  • the treatment assembly may skillfully deliver bentonite into the drilling fluid during a conditioning process. Bentonite has proven to be particularly beneficial in assisting a drilling process. However, other additives can be supplied.
  • control unit may be configured to control the supply of drilling fluid from the cleaning assembly to the tanks, depending on the particular quality of drilling fluid in the tanks. For example, good quality drilling fluid can be collected in a tank for reuse, or poor quality drilling fluid can be collected in a treatment tank.
  • control unit is configured to control the supply of drilling fluid from the drilling fluid supply tanks depending on the particular quality of drilling fluid in the tanks, such that only drilling fluid from a tank whose drilling fluid has a predetermined minimum quality for drilling fluid discharge is directed.
  • the quality of the dispensed drilling fluid can be ensured so that it can assist the drilling process in an appropriate manner and prevent malfunctions.
  • the control unit is advantageously configured in dependence on an input-side flow, in particular an input-side flow Flow of drilling mud to control a speed of the centrifuge and / or a pump power of the screw pump. This can save energy, for example when the speed of the centrifuge is reduced with low flow of drilling mud.
  • the invention further relates to a drilling assembly comprising at least one drilling rig and a drilling fluid regeneration device according to the invention.
  • a drilling assembly comprising at least one drilling rig and a drilling fluid regeneration device according to the invention.
  • the drill can be designed in particular for carrying out horizontal drilling or vertical drilling.
  • the Bohrierikeitsregener istsvorraum can be advantageously used to provide the lowest possible effort with the supply of drilling supportive drilling fluid.
  • a flow line is connected to the drilling fluid drain for supplying drilling fluid to the drilling rig.
  • drilling fluid can be delivered directly from the drilling fluid recovery device to the drilling rig and used in the drilling process.
  • a return line is connected to the inlet for supplying drilling fluid from the drilling device, in particular drilling fluid mixed with drilling mud, to the drilling fluid regeneration device. This also allows immediate return of the drilling fluid for regeneration to the drilling fluid regeneration device.
  • the drilling device can be controlled and / or monitored via the control device of the drilling fluid regeneration device.
  • a single device can be used to control and monitor both the drilling fluid recovery device and the drilling rig.
  • only one operator is advantageously required for this purpose. Compared to prior art designs, where typically several operators were required, for example an operator to control the drilling operation and an operator to monitor the drilling fluid regeneration apparatus, a significant saving in labor costs is thus possible.
  • control device can have a display with two windows, wherein, for example, operating parameters of the drilling fluid regeneration device and possibly also of the drilling device can be displayed on a first window, while a video stream of the video camera already mentioned can be displayed on a second window. This allows a particularly intuitive and easy monitoring of the entire drilling assembly.
  • drilling fluid can be regenerated particularly advantageous.
  • the quality of the drilling fluid can be taken into account when carrying out the regeneration.
  • the regeneration of drilling fluid can be performed substantially resource and energy-saving, in particular in comparison to the known from the prior art approach in which the entire returning from a drill drilling fluid is undifferentiated regenerated.
  • the regeneration comprises a cleaning, in particular by means of a vibrating screen and / or a centrifuge.
  • a vibrating screen can be arranged, in particular, fluidically upstream of a centrifuge and filter out the coarsest dirt particles.
  • the quality is determined on the input side and the cleaning is controlled depending thereon. This energy can be saved in particular, if, for example, in the case of good quality, so for example at low pollution, the energy supply for vibrating screen and / or centrifuge is reduced.
  • regeneration involves storing the drilling fluid in a number of tanks. This allows a certain buffer to be achieved.
  • drilling fluid can be explicitly collected for re-use or treatment and used accordingly.
  • a quality of the drilling fluid is determined immediately before storage, in particular after cleaning, and depending on that, the drilling fluid is filled in a first tank or in a second tank.
  • drilling fluid of good quality can be filled into a tank for the treatment-free delivery.
  • the expense of processing can thus be advantageously avoided if it is not necessary, which saves resources and energy.
  • It can also be filled drilling fluid of poor quality for treatment in a tank. This allows a beneficial collection of drilling fluid, which is to be prepared before its further use first in order to achieve a usable quality. The treatment can thus be carried out very efficiently.
  • the quality of each drilling fluid is determined in a tank. This provides a solid basis for the typically automated decision on how to handle the drilling fluid contained in a tank.
  • a tank located drilling fluid of poor quality is processed.
  • it can be prepared for reuse, which minimizes the use of fresh water.
  • a tank located drilling fluid of good quality is preferably issued. It can thus be used without further processing steps for drilling. In particular, it can be issued to a drill.
  • bentonite is added to treat the drilling fluid.
  • This substance has proven to be particularly beneficial in assisting a drilling operation. In particular, it is a good lubricant.
  • the drilling fluid to be treated is preferably pumped in the circulation. This allows continuous processing until the desired quality is achieved.
  • drilling fluid skillfully at the same time drilling fluid is discharged from another tank.
  • the drilling process can be continued without having to wait for the completion of the treatment.
  • the drilling process can be continued uninterrupted in this way.
  • the quality of spent drilling fluid is measured and stored. This allows an advantageous documentation during drilling, so that, for example, when problems occur, the quality of the drilling fluid, in particular depending on the Bohrfort suitses or depth, can be traced at any time.
  • Bohr thoroughlykeitsregener michsvortechnische invention in particular, is adapted to perform a method according to the invention. It can be used on all versions and variants described in each case.
  • FIG. 1 shows a drilling assembly 1 according to an embodiment of the invention.
  • the drilling assembly 1 has a vehicle 10 in the form of a truck.
  • a Bohrierikeitsregener istsvortechnik 100 is constructed, which will be discussed in more detail later.
  • the drilling assembly 1 further comprises a drill 20, which is shown here only schematically as a device for performing horizontal drilling.
  • a supply line 30 extends from the drilling fluid regeneration device 100 to the drilling device 20.
  • a return line 35 runs from the drilling fluid regeneration device 100 to the drilling device 20.
  • a trough 40 in the form of a container.
  • the trough 40 serves to receive debris or drilling mud removed from regenerated drilling fluid.
  • an operator 50 is shown schematically. This is a single human capable of monitoring both the drilling process performed by the drilling rig 20 and the regeneration of drilling fluid by the drilling fluid regeneration apparatus 100.
  • the drilling fluid regeneration device 100 has a cleaning arrangement 110 and a tank arrangement 120.
  • the cleaning assembly 110 includes a vibrating screen 112 and a centrifuge 114.
  • the tank assembly 120 includes a first tank 122 and a second tank 126.
  • the centrifuge 114 is driven by a drive 115, for example an electric motor.
  • the drive 115 is connected by control technology via a line to the control unit 105.
  • the drilling fluid regeneration device 100 has an inlet 102 for the supply of drilling fluid, on which the Return line 35 is connected.
  • drilling fluid enters the drilling fluid regeneration apparatus 100 to be regenerated for further use.
  • the well fluid recovery apparatus 100 further includes a drilling fluid drain 103 to which regenerated drilling fluid is discharged. At the drilling fluid drain 103, the flow line 30 is connected to direct regenerated drilling fluid to the drilling rig 20.
  • the drilling fluid regeneration device 100 has a camera 195, by means of which the other elements of the drilling fluid regeneration device 100, in particular the cleaning arrangement 110, can be monitored. For this purpose, the cleaning arrangement 110 is in the field of view of the camera 195.
  • the well fluid regeneration apparatus 100 further includes a controller 190, which is presently wired to the elements of the well fluid regeneration apparatus 100 mounted on the vehicle 10.
  • the controller 190 is configured to display operating parameters of the drilling fluid regeneration apparatus 100 so that the operator 50 may take note of them.
  • the control device 190 is also configured to display a video stream of the camera 195 on a display, so that an immediate visual monitoring of the cleaning arrangement 110 by the operator 50 is possible.
  • control device 190 is designed not only for controlling and monitoring the drilling fluid regeneration device 100, but also for controlling and monitoring the drilling device 20.
  • operating parameters of the drilling device 20 are displayed on the control device 190 and the control device 190 is also configured to set operating parameters of the drilling device 20.
  • the complete drilling process performed by the drilling rig 20 can be monitored and controlled with the same control device 190 with which the drilling fluid regeneration device 100 is also monitored and controlled. This leads to a particularly advantageous saving of necessary human resources.
  • the detailed configuration of the drilling fluid regeneration device 100 located on the vehicle 10 may be according to a first embodiment, which in FIG. 2 is shown, or according to a second embodiment, which in FIG. 3 is shown. Both embodiments will be described in detail below.
  • FIG. 2 shows a Bohrierikeitsregener michsvoroplasty 100 according to a first embodiment of the invention.
  • the drilling fluid regeneration device 100 has a cleaning arrangement 110.
  • the cleaning assembly 110 includes a vibrating screen 112 and a centrifuge 114. In the vibrating screen 112 opens an inlet 102 for supplying drilling fluid. To which the return line 35 is connected, which already with reference to above FIG. 1 was mentioned.
  • the vibrating screen 112 is adapted to remove particularly coarse dirt and drilling mud from the supplied drilling fluid. Subsequently, the drilling fluid is conveyed by a screw pump 116 of the cleaning assembly 110 to the centrifuge 114 on. In centrifuge 114, finer particles are removed from the drilling fluid.
  • the well fluid recovery apparatus 100 further includes a tank assembly 120.
  • Tank assembly 120 includes a first tank 122 and a second tank 126.
  • the two tanks 122, 126 may be selectively filled with drilling fluid that has been cleaned by the cleaning assembly 110.
  • a feed pump 140 which sucks the drilling fluid from the cleaning assembly 110 and continues to pump in the direction of the tank assembly 120.
  • a connecting line 142 is connected, to which, inter alia, a first branch line 180 and a second branch line 182 are connected.
  • the first branch line 180 leads to the first tank 122, whereas the second branch line 182 leads to the second tank 126.
  • a first valve 150 is arranged in the first branch line.
  • a second valve 152 is arranged in the second branch line 182.
  • the two valves 150, 152 are independently controllable. This makes it possible to control the feed of drilling fluid to the two tanks 122, 126 separately.
  • first water inlet 146 and a second water inlet 148 are arranged on the first connection line 142.
  • the two water inlets 146, 148 are designed to selectively supply fresh water.
  • fresh water can be supplied to the drilling fluid contained in the drilling fluid regeneration apparatus 100 to improve its quality or to compensate for losses, if necessary.
  • the drilling fluid regeneration apparatus 100 further includes a conditioning assembly 130.
  • the processing arrangement 130 has a conditioning pump 134 (with drive motor) and a mixing unit 132.
  • the mixing unit 132 is arranged on the output side to the treatment pump 134.
  • the treatment arrangement 130 is connected to the first connection line 142.
  • a third valve 154 is arranged on the output side of the treatment arrangement 130, which is likewise separately controllable and, for example, when introducing drilling fluid from the cleaning arrangement 110 into the tank arrangement 120, can prevent the penetration of drilling fluid into the treatment arrangement 130.
  • the drilling fluid cleaning device 100 has a drilling fluid drain 103, to which the supply line 30 is connected, which, as in FIG FIG. 1 shown regenerated drilling fluid to the drill 20 supplies.
  • a transfer pump 160 is arranged, which increases the pressure exiting drilling fluid.
  • a greater distance between the drilling fluid regeneration device 100 at the site of the drilling fluid can be overcome.
  • the treatment arrangement 130 is connected to the transfer pump 160 via a third connection line 162.
  • a sixth valve 170 and a seventh valve 172 are arranged in the third connection line 162.
  • a third connecting line 184 branches off to the first tank 122 between the sixth valve 170 and the seventh valve 172.
  • a fourth connection line 164 is furthermore arranged.
  • the fourth connection line 164 fluidly bridges the sixth valve 170 and the seventh valve 172.
  • An eighth valve 174 and a ninth valve 176 are arranged in the fourth connection line 164. Between the eighth valve 174 and the ninth valve 176, a fourth connecting line 186 branches off from the fourth connecting line 164 to the second tank 126.
  • the sixth, seventh, eighth and ninth valves 170, 172, 174, 176 are each separately controllable. Thus, virtually any connections between the tanks 122, 126, the treatment arrangement 130 and the transfer pump 160 can be switched.
  • the drilling fluid regeneration device 100 has an electronic control unit 105.
  • the control unit 105 is connected to all valves of the Bohrierikeitsregener michsvortechnisch 100 in order to open and close each of them. Furthermore, the control unit 105 is connected to the pumps 116, 134, 140, 160 (strictly speaking to (electric) drives) to turn them on and off and to control their respective performance. Also with the vibrating screen 112 and the centrifuge 114 (or their drives), the control unit 105 is connected to switch or regulate accordingly. Specifically, with respect to the vibrating screen 112, the control unit 105 also performs a leveling function to keep the vibrating screen 112 in a horizontal orientation regardless of an exact location of the vehicle 10.
  • the drilling fluid regeneration device 100 comprises a number of quality sensors which are each connected to the control unit 105 and which are described in more detail below.
  • a first quality sensor 118 is already arranged at the inlet 102. This will determine the quality of incoming drilling fluid.
  • a second quality sensor 119 is arranged directly on the output side to the cleaning arrangement 110. Thus, the quality of purified drilling fluid can be determined.
  • a third quality sensor 124 is associated with the first tank 122.
  • a fourth quality sensor 128 is associated with the second tank 126.
  • a fifth quality sensor 136 is arranged on the output arrangement 130 on the output side. Thus, the quality of processed drilling fluid can be determined.
  • a sixth quality sensor 161 is arranged on the output side to the transfer pump 160. Thus, the quality of drilling fluid supplied to the drilling rig 20 can be determined.
  • the quality sensors may each measure parameters such as bentonite content or contamination with dirt, drilling mud or other substances. From this, the control device 105 can conclude the quality of the drilling fluid at the respective point.
  • the first quality sensor 118 serves, in particular, to determine the quality of supplied drilling fluid, so that the control device 105 can judge depending on the extent to which cleaning in the cleaning arrangement 110 is necessary, depending on this. In particular, depending on the quality determined, the respective power of the vibrating screen 112 and the centrifuge 114 can be determined. If the drilling fluid is already of good quality, for example because there is little or no drilling, the vibrating screen 112 and / or the centrifuge 114 can be set to a low power, which saves electrical energy.
  • the second quality sensor 119 serves in particular to determine the quality of purified drilling fluid. This can be done in particular a comparison with the qualities of stored in the tanks 122, 126 drilling fluid.
  • the quality of the drilling fluid in the respective tank 122, 126 can be determined, for example, by supplying well-recognized drilling fluid be increased so that without a treatment, the drilling fluid can be used.
  • the energy required for processing can be saved.
  • the necessary resources are spared.
  • this drilling fluid may also be selectively collected in one of the tanks 122, 126 to be conditioned at a particular level of the tank.
  • a first level sensor 123 and a second level sensor 127 are provided, wherein the first level sensor 123 is the first tank 122 is assigned and the second level sensor 127 is associated with the second tank 126.
  • a drilling fluid which is stored in one of the tanks 122, 126 is to be treated, then the already mentioned valves are switched so that the drilling fluid can be pumped through the corresponding tank 122, 126 and the treatment arrangement 130 in the circuit. Bentonite is then fed by means of the mixing unit 132 to increase the quality of the drilling fluid.
  • the quality with added bentonite can be continuously monitored, in particular by means of the fifth quality sensor 136. When the quality has reached an acceptable value, the rendering process can be terminated. Then, for example, the drilling fluid stored in the corresponding tank 122, 126 can again be directed to the drilling fluid discharge 103. Also for this purpose, the valves can be switched accordingly.
  • the drilling fluid stored in the other tank 122, 126 may be directed to the drilling fluid drain 103.
  • the drilling fluid drain 103 an uninterrupted supply of drilling fluid to Bohrroughkeitsabtechnisch 103 can be ensured.
  • control device 105 there is a storage module 107 in which the quality of the dispensed drilling fluid measured by the sixth quality sensor 161 is stored.
  • This serves as a documentation, so that it can be traced at any time after completion of a drilling process when which quality of drilling fluid was delivered. This can, for example, help to clarify recognized problems in the drilling process or to prove when asserting claims for damages by third parties that basically drilling fluid of sufficient quality has been used.
  • a quantity sensor is provided, which also communicate with the control device 105 and thus represent a basis for accounting, as this then the proof of the used or prepared drilling fluid can be performed, which then also with a corresponding quality and evaluation can be demonstrated.
  • At least one quantity sensor is provided in the region of the processing arrangement 130, which in particular also logs the increased cost for processing the drilling fluid and thus permits even more accurate cost recording or billing.
  • These quantity sensors are designed as flow sensors.
  • FIG. 3 shows a Bohrillonkeitsregener istsvortechnisch 100 according to a second embodiment. This is very similar to the first embodiment, which in FIG. 2 is shown.
  • the two embodiments differ only with regard to the arrangement of lines and valves on the two tanks 122, 126.
  • the centrifuge 114 is alternatively configured, this embodiment being separate from the rest, in FIG. 3 shown measures, is feasible and belongs to the invention. Accordingly, only this difference will be discussed below. With regard to the other features, reference is made to the above description of FIG. 2 directed.
  • a second connecting line 144 is connected in fluidic parallel to the already mentioned first connecting line 142.
  • the second connecting line 144 bridges the first valve 150 and the second valve 152.
  • a fourth valve 156 and a fifth valve 158 are arranged in the second connection line 144. These are just like the other valves by the control unit 105 controllable.
  • the second branch line 182 already present in the first exemplary embodiment does not branch off from the first connecting line 142 but from the second connecting line 144 between the fourth valve 156 and the fifth valve 158 in the second exemplary embodiment. Overall, this allows considerably greater flexibility in defining fluidic paths.
  • the second tank 126 may be conditioned while the first tank 122 is being filled with cleaned drilling fluid.
  • the eighth valve 174 may be opened and the ninth valve 176 closed to pump the drilling fluid contained in the second tank 126 in a closed loop through the treatment assembly 130.
  • the sixth valve 170 may be closed so as not to allow the drilling fluid contained in the first tank 122 to enter the circuit of the drilling fluid to be treated. If the drilling fluid in the first tank 122 is to be dispensed to assist a drilling operation, the seventh valve 172 can be opened at the same time.
  • a centrifuge 114 is shown whose axis of rotation is preferably oriented vertically.
  • reference numeral 114 denotes a separator which is configured, for example, as a centrifuge or drum 114a, but also has a horizontally oriented axis of rotation and internally has a demixing shaft 113 (also horizontally oriented, for example) rotating via its own drive 117 is displaceable and thus the separation process, in particular in interaction with the drum 114a (driven by the drive 115) to influence and control.
  • Both the drive 115 of the drum 114a and the drive 117 of the demixing shaft 113 are connected to the control unit 105 in terms of control technology via a line (or else networked in bus technology). In the control unit 105o different scenarios are stored, as these drives 115, 117 are to be controlled to each other in order to achieve a desired Entmischteil. This demixing quality is over the various sensors, which are provided according to the invention monitored.
  • valves, drives, motors, pumps and sensors are connected to the control unit 105 via control lines via individual lines or in bus technology and so an intelligent control is possible.

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Auxiliary Devices For Machine Tools (AREA)
  • Earth Drilling (AREA)
EP16188189.1A 2015-09-09 2016-09-09 Bohrflüssigkeitsregenerierungsvorrichtung Active EP3141693B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL16188189T PL3141693T3 (pl) 2015-09-09 2016-09-09 Urządzenie do regenerowania płuczki wiertniczej

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102015115175.8A DE102015115175A1 (de) 2015-09-09 2015-09-09 Bohrflüssigkeitsregenerierungsvorrichtung

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EP3141693A1 EP3141693A1 (de) 2017-03-15
EP3141693B1 true EP3141693B1 (de) 2019-08-07

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11525239B2 (en) 2018-04-30 2022-12-13 Vermeer Manufacturing Company Shaker assemblies having positioning devices
US11560689B2 (en) 2017-07-14 2023-01-24 Vermeer Manufacturing Company Hydro excavation vacuum apparatus having an adjustment system for adjusting a dewatering system screen
US11890782B2 (en) 2020-06-05 2024-02-06 Vermeer Manufacturing Company Mixing systems having disk assemblies
US12031292B2 (en) 2019-09-24 2024-07-09 Vermeer Manufacturing Company Systems and methods for reducing or preventing pluggage in an excavation vacuum apparatus

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GB2606354B (en) * 2021-05-04 2025-01-01 Ellison Env Services Ltd A mobile drilling mud cleaning unit

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US20070163927A1 (en) * 2006-01-05 2007-07-19 M-I L.L.C. Vapor extracting and separator cleaning apparatus
US8528665B2 (en) * 2010-10-01 2013-09-10 M-I L.L.C. Drilling waste management system
FI20115311L (fi) * 2011-03-31 2012-10-01 Kati Ab Kalajoki Oy Menetelmä kallioperän näytteenottokairauksen kairausnesteen puhdistamiseksi ja puhdistusyksikkö
WO2013071371A1 (en) * 2011-11-17 2013-05-23 Imdex Limited Solids removal unit
US20140021114A1 (en) * 2012-07-19 2014-01-23 R2S Solutions, Llc Drilling mud cleaning and recirculating system and vehicle formed therewith

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11560689B2 (en) 2017-07-14 2023-01-24 Vermeer Manufacturing Company Hydro excavation vacuum apparatus having an adjustment system for adjusting a dewatering system screen
US12385215B2 (en) 2017-07-14 2025-08-12 Vermeer Manufacturing Company Hydro excavation vacuum apparatus and fluid storage and supply systems thereof
US11525239B2 (en) 2018-04-30 2022-12-13 Vermeer Manufacturing Company Shaker assemblies having positioning devices
US12110655B2 (en) 2018-04-30 2024-10-08 Vermeer Manufacturing Company Shaker assemblies having positioning devices
US12031292B2 (en) 2019-09-24 2024-07-09 Vermeer Manufacturing Company Systems and methods for reducing or preventing pluggage in an excavation vacuum apparatus
US11890782B2 (en) 2020-06-05 2024-02-06 Vermeer Manufacturing Company Mixing systems having disk assemblies
US12208539B2 (en) 2020-06-05 2025-01-28 Vermeer Manufacturing Company Mixing systems and methods including disk assemblies

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EP3141693A1 (de) 2017-03-15
PL3141693T3 (pl) 2020-02-28
DE102015115175A1 (de) 2017-03-09

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