EP1920133B1 - Sicherheitsvorrichtung für ein ölbohrloch und entsprechende sicherheitsanlage - Google Patents

Sicherheitsvorrichtung für ein ölbohrloch und entsprechende sicherheitsanlage Download PDF

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Publication number
EP1920133B1
EP1920133B1 EP06808057A EP06808057A EP1920133B1 EP 1920133 B1 EP1920133 B1 EP 1920133B1 EP 06808057 A EP06808057 A EP 06808057A EP 06808057 A EP06808057 A EP 06808057A EP 1920133 B1 EP1920133 B1 EP 1920133B1
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EP
European Patent Office
Prior art keywords
valve
housing
conduit
pressurising
hydraulic
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.)
Not-in-force
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EP06808057A
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English (en)
French (fr)
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EP1920133A1 (de
Inventor
François Millet
Joseph Girardi
Christophe Michaud
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Geoservices Equipements SAS
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Geoservices Equipements SAS
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Publication of EP1920133A1 publication Critical patent/EP1920133A1/de
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Publication of EP1920133B1 publication Critical patent/EP1920133B1/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
    • E21B34/00—Valve arrangements for boreholes or wells
    • E21B34/16—Control means therefor being 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
    • E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
    • E21B23/02—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for locking the tools or the like in landing nipples or in recesses between adjacent sections of tubing
    • 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
    • E21B34/00—Valve arrangements for boreholes or wells
    • E21B34/06—Valve arrangements for boreholes or wells in wells
    • 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
    • E21B2200/00—Special features related to earth drilling for obtaining oil, gas or water
    • E21B2200/05—Flapper valves

Definitions

  • Such a device is used to put together the document US 4,691,776 , in safety a well of production of oil or another fluid (notably gas, steam, water), in particular when this well is eruptive and can be brought to be closed quickly in the event of failure of the surface installation, this failure producing the cutoff of an opening control signal.
  • oil or another fluid notably gas, steam, water
  • US 4,002,202 a device of the aforementioned type, which is lowered into a casing of production of an oil well, by means of a working line to the cable.
  • This device comprises a valve housing, a holding rod in the open position of the valve and electromagnetic coils actuating the holding rod.
  • the coils are fixed outside the casing at a determined point of this casing, and are electrically connected to the surface by electric cables.
  • the valve When an electrical control signal is received by the electromagnetic coils, the valve is held in the open position by the holding rod, against a return spring.
  • Also known safety device of the same type controlled by a hydraulic control line extending outside the casing from the surface.
  • the safety device must be positioned at a certain point in the well, opposite the actuating coils, and the coils must be connected to the surface by the power supply lines, or must be positioned facing the arrival of the hydraulic pipe.
  • An object of the invention is therefore to provide an autonomous safety device, comprising a safety valve that can be installed and anchored at any point of the well regardless of the architecture of the completion equipping it, and can be ordered from the surface.
  • the subject of the invention is a device according to claim 1.
  • the device according to the invention may comprise one or more of the features which are the subject of claims 2 to 12.
  • the invention also relates to a safety installation for a fluid operating well according to claim 13.
  • proximal means relatively closer to the surface of the soil
  • distal means relatively closer to the bottom of a well in the ground.
  • the autonomous safety device 10 is intended to be lowered into an oil well 12 using means 14 for deployment to the cable.
  • the device 10 is placed at a selected point of the well 12, for example located at a depth of between 10 m and 1000 m, replacing a defective safety valve, or to add an intermediate safety valve.
  • the well 12 comprises a first conduit 16 called “casing” formed in the subsoil 18 and a second conduit or tube 20 called “production casing” set substantially in the center of the first duct 16.
  • the well 12 further comprises a wellhead 22 at the surface for selectively closing off the first conduit 16 and the second conduit 20.
  • the second conduit 20 is of shorter length than the first conduit 16. It opens at a point 23 of the first conduit 16 located in a distal portion of the well 12. Annular packing elements 24 are arranged between the first conduit 16 and the second leads to the vicinity of point 23.
  • the second conduit 20 delimits internally a plurality of circular grooves or annular housing 26A, 26B hooking, designated by the term "landing nipple". These housings 26A, 26B are located at points spaced longitudinally along the conduit 20.
  • the second duct 20 is devoid of housings 26A, 26B, and the device 10 is anchored directly against a smooth wall of duct 20.
  • the deployment means 14 of the device 10 comprise a cable working line 30, a surface winch 32 for deployment or the retraction of line 30 into well 12, and line orientation pulleys 34 mounted on wellhead 22.
  • the line 30 is for example formed by a single-strand smooth cable type "piano wire”, commonly referred to by the term “slickline”, with or without electrical insulation on its outer surface.
  • the line 30 comprises, at its distal end, a laying train 31 of the device 10.
  • the line 30 is a mechanically reinforced electrical cable, commonly referred to by the term “electric line”, or a helical hollow cable, commonly referred to as “coiled tubing”.
  • the winch 32 and the pulleys 34 allow the deployment of the working line 30 successively in the second conduit 20, then in the first conduit 16 through the wellhead 22.
  • the deployment means 14 have been removed and the well 12 comprises means 35 for transmitting a control signal of the safety device 10.
  • the signal of control is an electromagnetic signal and the means 35 are arranged on the surface.
  • this signal is an acoustic signal.
  • the safety device 10 comprises a safety valve housing 40, means 42 for holding the safety valve in an open position, and a hydraulic cylinder 44 for actuating the holding means 42.
  • the device 10 comprises also a hydraulic unit 46 removably attached to a distal end of the housing 40, the unit 46 comprising means 48 for controlling the cylinder 44, and batteries 49 for the power supply of the unit 46.
  • the valve housing 40 comprises a tubular body 50 of longitudinal axis XX 'defining internally a longitudinal passage through 52 for circulation of a petroleum fluid, means 54 for connection to the laying train 31, mounted at a proximal end of the body 50, and means 56 for anchoring the device 10 in the second conduit 20.
  • the housing 40 further comprises, in the vicinity of its distal end, a shutter valve 58 of the passage 52.
  • the body 50 comprises, moving from a proximal end, right on the Figure 3 , towards a distal end to the left on the Figure 3 , a proximal tubular portion 60, a central portion 62 for guiding and supporting a valve, and a distal portion 64 for connection to the hydraulic unit 46.
  • the median portion 62 defines a proximal sheath 66 mounted in the tubular portion 60 and delimiting a transverse annular surface 68 directed towards the body 60.
  • the medial portion 62 also defines a distal annular shoulder 70 directed toward the distal portion 64 and a cylindrical guide surface 72 extending between the proximal surface 68 and the distal shoulder 70.
  • the cylindrical surface 72 delimits, between the distal shoulder 70 and the proximal surface 68, an annular housing which receives a proximal seal 73.
  • the distal tubular portion 64 defines a lateral opening 74 for retracting a valve, which opens into the passage 52, an annular shoulder 76 oriented towards the distal end of the body 40, and a lateral passage 78 for mounting the central unit.
  • the portion 64 has at its distal end a distal opening which opens into the flow passage 52.
  • the connecting means 54 comprise a receiving head 80 of the laying train 31 delimiting an internal housing 82.
  • the head 80 is screwed to the proximal end of the tubular portion 60.
  • the housing 82 opens out distally into the passage 52 and proximally through a proximal opening 84. Thus a fluid can enter the central passage 52 of the housing 40 when the laying train 31 is disposed away from the housing 82.
  • the anchoring means 56 comprise locking mandrels 86 or "dogs" designated by the term “lock mandrel”.
  • the dogs 86 protrude radially outside the head 80 and have a shape complementary to that of the latching housings 26A, 26B formed in the second conduit 20.
  • the anchoring means 56 also comprise a compressible annular lining (not shown) for sealing between the wall of the duct 20 and the head 80.
  • the shut-off valve 58 comprises an annular seat 88 mounted integral with the body 50 in the passage 52, and a valve 90 movable between an open position of the passage 52, and a closed position of the passage 52.
  • the valve 58 comprises also a return spring 92 of the valve 90 to its closed position.
  • the valve seat 88 is fixed in the passage 52 and provides a mechanical connection between the middle portion 62 and the distal tubular portion 64. As illustrated by FIG. Figure 3A , a proximal annular surface 93 of the seat extends facing the distal surface 70 of the medial portion 62. A distal conical annular surface 94 of the seat 88 is flush with the wall of the distal portion 64 at the side opening 74 of reception.
  • the valve 90 is rotatable about a horizontal axis perpendicular to the axis X-X 'situated in the vicinity of the distal surface 94 of the seat 88.
  • valve 90 In the open position of the valve 90, the valve 90 extends substantially in the extension of the tubular portion 64 to seal the lateral opening 74 and release the passage 52.
  • valve 90 In the closed position, shown on the Figure 6 , the valve 90 extends in a plane substantially perpendicular to the longitudinal axis XX 'of the valve housing 40. It rests on the distal conical annular surface 94 to close the passage 52.
  • the spring 92 continuously urges the valve 90 to its closed position.
  • the means 42 for holding the valve in its open position comprise a cylindrical sleeve 98 mounted to be movable in translation along the axis XX 'in the passageway 52, between a resting proximal position and a distal opening position of the valve 58.
  • the means 42 further comprises, mounted on the sleeve 98, a distal piston 100 of pressurization, a proximal stop 102 for guiding the sleeve, and a coil spring 104 for returning the sleeve towards its proximal position.
  • the sleeve 98 extends longitudinally in the body 40 facing the proximal tubular portion 60, the medial portion 62 and, in its proximal position, the distal portion 64. As illustrated by FIG. Figure 4 it comprises an outer surface 106 of cross section substantially complementary to the guide surface 72 of the middle part 62, so that the middle portion 62 guides the sleeve 98 during its displacement between its proximal position and its distal position.
  • the surface 106 defines with the seat 88, an annular space 107. It comprises an annular rib 107B which delimits a distal housing oriented towards the seat 88. The housing receives a seal 108 which distally closes the annular space 107. The space 107 is closed proximally by the proximal seal 73.
  • the distal annular piston 100 is slidably mounted on the sleeve 98 between the outer surface 106 and the proximal tubular portion 60. It delimits a distal annular surface 110 which extends opposite the proximal surface 68. It also delimits an annular surface. proximal 112 on which rests a distal end of the spring 104.
  • the proximal annular abutment 102 is mounted integral with the proximal end of the sleeve 98. It extends between the sleeve 98 and the tubular portion 60.
  • the abutment 102 slides in the tubular portion 60 and delimits a distal annular surface 114 on which 'bears against the proximal end of the spring 104.
  • the stop 102 comprises a scraper seal 115 placed in abutment on the tubular part 60.
  • the seal 108 extends near the proximal surface 93 of the seat 88. Furthermore, the stop 102 is located in the vicinity of the receiving head 80. The distance between the piston 100 and the stop 102 is then maximum.
  • the spring 104 is prestressed, so that it exerts a minimum restoring force on the piston 100 and on the stop 102. In this position, the annular rib 107B of the sleeve 98 abuts against the shoulder 70.
  • the distal edge of the sleeve 98 is disposed facing the seat 88, proximally relative to the valve 90.
  • a distal portion of the sleeve 98 extends opposite the lateral opening 74.
  • the distal edge of the sleeve 98 rests on the abutment shoulder 76 of the distal portion 64.
  • the sleeve 98 covers the valve 90.
  • the seal 108 is distally distal from the proximal surface 93 of the valve seat 88.
  • the hydraulic cylinder 44 comprises a pressurizing chamber 120 and a reserve and discharge tank 122 which are hydraulically connected to the central unit 46 by respective connecting lines 124A, 124B.
  • the cover 122 and the chamber 120 contain a hydraulic control fluid of the jack 44.
  • the chamber 120 comprises an intermediate space 121 of constant volume and the annular space 107 of variable volume.
  • the intermediate space 121 extends between the body 50 and the sleeve 98. It is delimited proximally by the distal shoulder 70 of the medial portion 62, by the proximal surface 93 of the seat 88, and by the outer surface 106 of the sleeve. .
  • the space 121 is connected to the annular space 107.
  • the distance between the proximal seal 73 and the distal seal 108 is minimal and the volume of the chamber 120 is minimal. In the distal position of the sleeve 98, this distance is maximum and the volume of the chamber 120 is maximum.
  • the sheet 122 extends between the body 50 and the sleeve 98 proximally relative to the chamber 120. It is delimited by the proximal tubular portion 60, the proximal surface 68 of the medial portion 62, the surface 106, and by the distal surface 110 of the piston 100.
  • the volume of the cover 122 depends on the longitudinal position of the piston 100 along the sleeve 98 and the body 50.
  • the lines 124A, 124B extend outside the body 50 along this body. They open out distally at the lateral passage 78 for mounting the central unit 46. Furthermore, the distal connection conduit 124A opens proximally into the intermediate space 121 of the chamber 120 through the medial portion 62. The proximal connection conduit 124B opens proximally into the sheet 122 through the middle portion 62.
  • the central unit 46 comprises a tubular housing 125 receiving a hydraulic electro-pump 126 and a pipe 128 for selectively pressurizing the chamber 120, connecting the electropump 126 to the distal connection pipe 124A.
  • the tubular housing 125 protrudes distally outside the body 50 along the X-X 'axis. Its proximal end is inserted into the distal opening of the distal portion 64 and received in the mounting passage 78 for attachment to the distal portion 64 of the body 50.
  • the electropump 126 connects the proximal connection line 124B to an inlet of the line 128, to connect the cover 122 to the line 128.
  • the pressurizing line 128 comprises, from upstream to downstream, from the electropump 126 to the chamber 120, a zero leakage check valve 130, and an upstream portion 128A on which a safety line is punctured. 132 and a first discharge line 134 received in the housing 125.
  • the conduit 128 further comprises a downstream portion 128B on which a rapid discharge conduit 136 and an accumulator 138, received in the tubular housing 125, are stitched.
  • the safety line 132 is stitched on the upstream portion of the pressure line 128 at the outlet of the valve 130. It opens at the inlet of the proximal connection pipe 124B.
  • the safety pipe 132 is provided, from upstream to downstream, with a pressure switch 140 and a pressure relief valve 142.
  • the first discharge pipe 134 is stitched on the upstream portion 128A of the pipe 128 downstream of the pipe 132.
  • the pipe 134 is provided with a normally open, controlled, safety valve 144, which opens into the proximal connection pipe 124B .
  • the solenoid valve 144 is electrically connected to the control means 48.
  • the fast discharge line 136 is stitched on the pressure line 128 via a bypass valve 146 defining the upstream portion 128A and the downstream portion 128B on the line 128.
  • the valve 146 comprises a primary inlet 148 and a primary outlet 150 opening respectively in the upstream portion 128A of the pressurizing pipe 128 to the electropump 126, and in the downstream portion 128B of the pipe 128 to the chamber 120
  • the valve 146 further comprises a secondary outlet 152 connected to the rapid discharge line 136.
  • the minimum flow section through the downstream portion 128B, the secondary outlet 152 and through the rapid discharge conduit 136 is much greater than the maximum flow section through the upstream portion 128A, the solenoid valve 144 and through the first discharge line 134, for example at least twice as much.
  • control means 48 are received in the tubular housing 125. They comprise a receiver 154 and a control unit 156 of the jack 44.
  • the receiver 154 is adapted to receive a valve opening command signal transmitted from the surface and to transmit an order to the control unit 156, for the maintenance of the valve 90 in its open position, as long as the signal command is received by the receiver 154.
  • the receiver 154 is also able to receive a temporary silence signal from the well 12 and to transmit an order to the control unit 156, to temporarily hold the valve 90 in its open position even in the absence of a signal valve opening.
  • the control unit 156 is electrically connected to the solenoid valve 144, to the electropump 126, and to the pressure switch 140 for controlling the jack 44.
  • valve housing 40 of a size adapted to fit into the second conduit 20 is selected.
  • a hydraulic unit 46 common to valve housings 40 of different diameters is fixed in the lateral passage 78 and is hydraulically connected to the distal ends of the conduits 124A and 124B.
  • the autonomous device 10 according to the invention is thus formed.
  • the deployment means 14 are disposed on the wellhead 22.
  • the laying train 31 is mounted on the receiving head 80 at the proximal end of the valve housing 40.
  • valve housing 40, the holding means 42, the hydraulic actuator 44 and the hydraulic unit 46 integral with the housing 40, forming the device 10 are then introduced into the second conduit 20 and are thus lowered simultaneously under the control. from work line to cable 30.
  • the device 10 When the device 10 reaches a desired position in the second duct 20, for example when the anchoring means 56 are arranged opposite a latching housing 26B, the working line to the cable 30 is stopped.
  • the anchoring means 56 are then activated by the operator to lock the housing 40 in position in the duct 20.
  • the hitching dogs 86 are inserted in the housing 26B and a tight connection is made between the housing 40 and the second conduit 20.
  • the valve 90 is held in its closed position of the passage 52, the sleeve 98 being in its proximal position.
  • the safety device 10 then closes the second conduit 20 in a sealed manner.
  • the receiver 154 When the receiver 154 receives the valve opening control signal, it transmits an activation command to the control unit 156. The unit 156 then activates the electropump 126 and the solenoid valve 144 to introduce into it. the chamber 120 a portion of the liquid contained in the tarpaulin 122. The volume of the tarpaulin 122 decreases, which causes the distal displacement of the piston 100.
  • the priming of the electropump 126 is favored by the presence of the biased spring 104 which presses on the piston 100 when the sleeve 98 is in its proximal position, to slightly compress the fluid contained in the cover 122.
  • the pressure in the chamber 120 increases and is applied in the annular space 107, between the proximal seal 73 and the distal seal 108, which causes the displacement the sleeve 98 to its distal position, against the return spring 104 which is compressed between the piston 100 and the stop 102.
  • valve 90 When the sleeve 98 has reached its position in abutment against the abutment shoulder 76, the valve 90 is wedged against the distal portion 64 and closes the lateral opening 74, as illustrated by FIG. Figure 3 .
  • the pressure in the chamber 120 increases to a threshold value detected by the pressure switch 140 and transmitted to the unit 156.
  • the control unit 156 determines that the pressure in the chamber 120 is greater than the threshold value it cuts off the electric pump 126.
  • the solenoid valve 144 is kept closed as long as the receiver 154 receives a valve opening control signal.
  • control unit 156 again activates the electropump 126 to raise the pressure in the chamber 120 to the threshold value.
  • the accumulator 138 makes it possible to compensate for the pressure variations in the chamber 120, due in particular to the temperature variations in the housing 40.
  • valve opening command signal emitted by the transmitting means 35 is cut off.
  • the control unit 156 determines whether a temporary silence signal has been transmitted before the closing of the valve opening control signal. In the absence of such a silence signal, the control unit 156 deactivates the solenoid valve 144 which then resumes its normally open position.
  • the fluid contained in the upstream portion 128A of the pipe 128, upstream of the primary inlet 148 of the rapid relief valve 146 is then reintroduced into the tank 122 via the first discharge line 134 and the proximal connection pipe 124B.
  • the pressure at the level of the primary inlet 148 therefore decreases to a value less than that prevailing at the primary outlet 150.
  • the secondary outlet 152 of the quick-release valve 146 opens, and the primary inlet 148 closes.
  • the fluid contained in the pressurizing chamber 120 therefore discharges very rapidly into the tank 122 via the downstream portion 128B of the pipe 128, the primary outlet 150, the secondary outlet 152, the rapid discharge pipe 136 and the proximal connection 124B.
  • the return spring 104 moves the sleeve 98 to its proximal position very rapidly. Note that a single spring 104 is necessary to pressurize the cover 122 when the pump 104 is deactivated, and to allow the return of the sleeve 98 to its proximal position in the event of a surface incident. The length of the housing 40 is thus reduced. Furthermore, the volume of the sheet 122 increasing after the opening of the quick-release valve 146, the difference in length of the spring 104 bearing proximally on the piston 100 between the proximal position and the distal position of the sleeve 98 is less than race of the sleeve 98 between these positions.
  • the biasing spring 92 then returns the valve 90 to its closed position across the passage 52, as illustrated by FIG. Figure 6 .
  • Well 12 is thus secured.
  • control unit 156 maintains for a fixed time the solenoid valve 144 closed and the chamber 120 under pressure, despite the absence of control signal.
  • the valve 90 remains in the open position.
  • This mode of operation preserves the production of the well 12, even if an intervention that requires the absence of any control signal must be performed on another neighboring well.
  • control unit 156 If a control signal is again issued, the control unit 156 is reset, so that the interruption of the control signal again causes the shutter 90 to close.
  • an autonomous safety device 10 easily installed and anchored in a well. 12 by a cable working line 30.
  • This device comprises a valve housing 40, means 42 for holding the valve in an open position, and hydraulic actuating means 44, 46 for holding means 42, integral with the housing 40, for their simultaneous movement in the well 12.
  • Such a device 10 can be used at any point of the well 12, without the need to bring hydraulic or electrical control lines, either to replace a defective valve existing in the well 12, or to install a new valve in the well 12 without having to reassemble the production casing.
  • the arrangement of the hydraulic unit 46 under the valve housing clears the fluid flow passage 52 within the valve housing and opens a passage 52 of sufficient diameter for the production of hydrocarbons or the passage of tools to at the valve 90.
  • the structure of the hydraulic unit 46 is adapted for its connection to valve housings 40 of different diameters. Moreover, its structure consumes little energy, for autonomous operation of the device 10 of a long duration, between 6 months and 2 years without it being necessary to raise the device 10 to the surface.

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (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)
  • Fluid-Pressure Circuits (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Feeding And Controlling Fuel (AREA)

Claims (13)

  1. Sicherheitsvorrichtung (10) für ein Fluidgewinnungsbohrloch (12), des Typs, der umfasst:
    - ein Schiebergehäuse (40), das dazu vorgesehen ist, innerhalb einer Fluidzirkulationsleitung (20) auf dichte Weise befestigt zu werden, wobei das Gehäuse (40) einen Fluidzirkulationsdurchlass (52) begrenzt und enthält:
    - einen Durchlassverschlussschieber (58), der zwischen einer Stellung für geöffneten Durchlass (52) und einer Stellung für geschlossenen Durchlass (52) beweglich ist;
    - Mittel (92) zum dauerhaften Vorbelasten des Schiebers (58) in seine geschlossene Stellung; und
    - Mittel (54) zum Verbinden des Gehäuses (40) mit einem Organ (31) für die Verbindung mit einer Seilarbeitsleitung (30), die dazu vorgesehen ist, das Gehäuse (40) in der Leitung (20) zu verlagern und zu verankern;
    - Mittel (42) zum Halten des Schiebers (58) in seiner geöffneten Stellung entgegen den Dauervorbelastungsmitteln (92), wobei die Haltemittel (42) wenigstens ein Organ (98) zum Verlagern des Schiebers (58), das im Schiebergehäuse (40) zwischen einer Ruhestellung und einer aktiven Stellung für die Vorbelastung des Schiebers (58) beweglich ist, und ein Organ (104) zum dauerhaften Zurückstellen des Verlagerungsorgans (98) in seine Ruhestellung aufweisen; und
    - Mittel (44, 46) zum hydraulischen Betätigen der Haltemittel (42), die durch ein Steuersignal gesteuert werden können, um die Haltemittel zu aktivieren, wenn ein Befehlssignal zum Öffnen des Schiebers von den Betätigungsmitteln (44, 46) empfangen wird, und um die Haltemittel bei Abwesenheit des Signals zu deaktivieren;
    - wobei die Haltemittel (42) und die Betätigungsmittel (44, 46) mit dem Gehäuse (40) fest verbunden sind, um die gleichzeitige Verlagerung unter der Steuerung der Seilarbeitsleitung (30), des Schiebergehäuses, der Haltemittel und der Betätigungsmittel zu ermöglichen,
    wobei die Betätigungsmittel hydraulische Mittel zum Betätigen der Haltemittel sind, die einen Hydraulikzylinder (44) und eine Hydraulikversorgung (46) für die Steuerung des Zylinders (44) umfassen.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass die Hydraulikversorgung (46) wenigstens teilweise in Bezug auf das Gehäuse (40) längs einer Längsachse des Schiebergehäuses in die äußere Umgebung des Zirkulationsdurchlasses (52) vorsteht, wobei der Zirkulationsdurchlass (52) zwischen den Verbindungsmitteln (54) und dem Schieber (58) freiliegt.
  3. Vorrichtung nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, dass die Hydraulikversorgung (46) in Bezug auf das Schiebergehäuse (40) abnehmbar ist, wobei das Schiebergehäuse (40) Mittel (78) für die Aufnahme der Versorgung (46) aufweist.
  4. Vorrichtung (10) nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass der Zylinder (44) umfasst:
    - eine Kammer (120) für die Druckbeaufschlagung eines Steuerfluids, wobei die Kammer (120) einen Teil (108) des Verlagerungsorgans (98) des Schiebers (58) aufnimmt; und
    - ein Aufbewahrungs- und Abgabegehäuse (152) für Steuerfluid,
    und dass die Steuerhydraulikversorgung (46) umfasst:
    - eine Pumpe (126) zum Zuführen von Steuerfluid zu der Druckbeaufschlagungskammer (120);
    - eine Leitung (128) für die Druckbeaufschlagung, die die Druckbeaufschlagungskammer (120) mit dem Abgabegehäuse (122) verbindet; und
    - eine erste Abgabeleitung (134), die in die Druckbeaufschlagungsleitung (128) eingesteckt ist und mit einem Abgabeschieber (144) versehen ist, der bei Abwesenheit des Steuersignals geöffnet und bei Anwesenheit des Signals geschlossen ist.
  5. Vorrichtung (10) nach Anspruch 4, dadurch gekennzeichnet, dass das Rückstellorgan (104) einen Kolben (100) für die Druckbeaufschlagung des Gehäuses (122) vorbelastet.
  6. Vorrichtung (10) nach Anspruch 4 oder 5, dadurch gekennzeichnet, dass die Betätigungsmittel (44, 46) eine Schnellentleerungsleitung (136) aufweisen, die in die Druckbeaufschlagungsleitung (128) gesteckt ist, wobei die Schnellentleerungsleitung (136) mit einem Verschlussorgan (146) versehen ist, das freigebbar ist, wenn der Abgabeschieber (144) offen ist.
  7. Vorrichtung (10) nach Anspruch 6, dadurch gekennzeichnet, dass der maximale Querschnitt der ersten Abgabeleitung (134) und des stromaufseitigen Teils (128A) der Druckbeaufschlagungsleitung (128), der sich stromaufseitig des freigebbaren Verschlussorgans (146) befindet, kleiner ist als der minimale Querschnitt der Schnellentleerungsleitung (136) und des stromabseitigen Teils (128B) der Druckbeaufschlagungsleitung (128), der sich stromabseitig des freigebbaren Verschlussorgans (146) befindet.
  8. Vorrichtung (10) nach einem der Ansprüche 4 bis 7, dadurch gekennzeichnet, dass die Betätigungsmittel (44, 46) einen Steuerfluidakkumulator (138) umfassen, der mit der Druckbeaufschlagungskammer (120) verbunden ist.
  9. Vorrichtung (10) nach einem der Ansprüche 4 bis 8, dadurch gekennzeichnet, dass die Betätigungsmittel (44, 46) eine verlustfreie Rückschlagverhinderungsklappe (130) umfassen, die zwischen die Pumpe (126) und die Druckbeaufschlagungskammer (120) eingefügt ist.
  10. Vorrichtung nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass die Hydraulikversorgung (46) Steuermittel (48) für den Zylinder (44) umfasst, wobei die Steuermittel (48) umfassen:
    - einen Empfänger (154);
    - eine Steuereinheit (156), die den Zylinder (44) steuern kann, um die Haltemittel (42) zu aktivieren, wenn das Steuersignal zum Öffnen des Schiebers von dem Empfänger (154) empfangen wird, und um die Haltemittel (42) bei Abwesenheit dieses Signals zu deaktivieren.
  11. Vorrichtung nach Anspruch 10, dadurch gekennzeichnet, dass die Steuereinheit (156) den Zylinder (44) steuern kann, um die Haltemittel (42) bei Abwesenheit des Schieberöffnungssignals nach dem Empfang eines Ruhezustandversetzungssignals durch den Empfänger (154) wenigstens vorübergehend zu aktivieren.
  12. Vorrichtung (10) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass sie freigebbare Mittel (56) zum Verankern des Gehäuses (40) in der Leitung (20) umfasst, die vom Gehäuse (40) getragen werden.
  13. Sicherheitsanlage für Fluidgewinnungsbohrlöcher (12), die eine Fluidzirkulationsleitung (20) umfasst, wobei die Anlage umfasst:
    - eine Vorrichtung (10) nach einem der vorhergehenden Ansprüche, und
    - Mittel (30, 31) zum Entfalten der Vorrichtung (10) in der Leitung, die eine Seilarbeitsleitung (30) enthalten, die mit den Verbindungsmitteln (54) verbunden ist.
EP06808057A 2005-08-30 2006-08-28 Sicherheitsvorrichtung für ein ölbohrloch und entsprechende sicherheitsanlage Not-in-force EP1920133B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0508880A FR2890099B1 (fr) 2005-08-30 2005-08-30 Dispositif de securite pour un puits de petrole et installation de securite associee.
PCT/FR2006/001996 WO2007026072A1 (fr) 2005-08-30 2006-08-28 Dispositif de securite pour un puits de petrole et installation de securite associee

Publications (2)

Publication Number Publication Date
EP1920133A1 EP1920133A1 (de) 2008-05-14
EP1920133B1 true EP1920133B1 (de) 2011-04-20

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US (1) US8220534B2 (de)
EP (1) EP1920133B1 (de)
CN (1) CN101273182B (de)
BR (1) BRPI0617126B1 (de)
CA (1) CA2616501C (de)
DE (1) DE602006021438D1 (de)
FR (1) FR2890099B1 (de)
NO (1) NO338700B1 (de)
WO (1) WO2007026072A1 (de)

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US8453748B2 (en) 2010-03-31 2013-06-04 Halliburton Energy Services, Inc. Subterranean well valve activated with differential pressure
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WO2013120837A1 (en) 2012-02-14 2013-08-22 Shell Internationale Research Maatschappij B.V. Method for producing hydrocarbon gas from a wellbore and valve assembly
EP2878762A1 (de) 2013-12-02 2015-06-03 Geoservices Equipements Sicherheitsvorrichtung für eine Fluidproduktionsbohrung, zugehörige Installation und Verfahren
US11815922B2 (en) 2019-10-11 2023-11-14 Schlumberger Technology Corporation Multiple valve control system and method
EP3901407B1 (de) 2020-04-24 2023-06-07 Metrol Technology Ltd Bohrlochinstallationen und unterirdische sicherheitsventile
US11708743B2 (en) 2021-05-13 2023-07-25 Schlumberger Technology Corporation Universal wireless actuator for surface-controlled subsurface safety valve
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Also Published As

Publication number Publication date
CN101273182B (zh) 2013-03-13
FR2890099B1 (fr) 2007-11-30
NO20080954L (no) 2008-05-21
DE602006021438D1 (de) 2011-06-01
WO2007026072A1 (fr) 2007-03-08
BRPI0617126A2 (pt) 2011-07-12
US8220534B2 (en) 2012-07-17
NO338700B1 (no) 2016-10-03
CA2616501C (fr) 2014-01-28
US20090314485A1 (en) 2009-12-24
CN101273182A (zh) 2008-09-24
CA2616501A1 (fr) 2007-03-08
BRPI0617126B1 (pt) 2017-03-28
FR2890099A1 (fr) 2007-03-02
EP1920133A1 (de) 2008-05-14

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