EP2885157A2 - Appareil de support pour déplacer un agent de soutènement à partir d'un récipient dans un système de décharge d'agent de soutènement - Google Patents

Appareil de support pour déplacer un agent de soutènement à partir d'un récipient dans un système de décharge d'agent de soutènement

Info

Publication number
EP2885157A2
EP2885157A2 EP13823352.3A EP13823352A EP2885157A2 EP 2885157 A2 EP2885157 A2 EP 2885157A2 EP 13823352 A EP13823352 A EP 13823352A EP 2885157 A2 EP2885157 A2 EP 2885157A2
Authority
EP
European Patent Office
Prior art keywords
hopper
proppant
container
frame
opening
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.)
Withdrawn
Application number
EP13823352.3A
Other languages
German (de)
English (en)
Other versions
EP2885157A4 (fr
Inventor
John OREN
Joshua Oren
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Oren Technologies LLC
Original Assignee
Oren Technologies LLC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US13/555,635 external-priority patent/US9718610B2/en
Priority claimed from US13/628,702 external-priority patent/US10464741B2/en
Priority claimed from US13/660,840 external-priority patent/US8505780B2/en
Application filed by Oren Technologies LLC filed Critical Oren Technologies LLC
Priority to EP17176259.4A priority Critical patent/EP3243773A1/fr
Publication of EP2885157A2 publication Critical patent/EP2885157A2/fr
Publication of EP2885157A4 publication Critical patent/EP2885157A4/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/54—Gates or closures
    • B65D90/58—Gates or closures having closure members sliding in the plane of the opening
    • B65D90/587—Gates or closures having closure members sliding in the plane of the opening having a linear motion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
    • B65G47/02—Devices for feeding articles or materials to conveyors
    • B65G47/16—Devices for feeding articles or materials to conveyors for feeding materials in bulk
    • B65G47/18—Arrangements or applications of hoppers or chutes
    • B65G47/19—Arrangements or applications of hoppers or chutes having means for controlling material flow, e.g. to prevent overloading
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G65/00—Loading or unloading
    • B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
    • B65G65/34—Emptying devices
    • B65G65/40—Devices for emptying otherwise than from the top
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
    • B65G2201/04—Bulk
    • B65G2201/045—Sand, soil and mineral ore

Definitions

  • the present invention relates to proppant discharge system wherein nronnant can he discharged from a storage container. Additionally, the present invention the relates to support apparatus for maintaining the container in a desire d location during the discharging of proppant from the container. Additionally, the present invention relates to conveying systems whereby the proppant can be discharged from a container and conveyed to a location remote from the container.
  • Hydraulic fracturing is the propagation of fractions in a rock layer caused by the presence of pressurized fluid. Hydraulic fractures may form naturally, in the case of veins or dikes, or may be man-made in order to release petroleum, natural gas, coal seam gas, or other substances for extraction. Fracturing is done from a wellbore drilled into reservoir rock formations. The energy from the injection of a highly-pressurized fracking fluid creates new channels in the rock which can increase the extraction rates and ultimate recovery of fossil fuels. The fracture width is typically maintained after the injection by introducing a proppant into the injected fluid. Proppant is a material, such as grains of sand, ceramic, or other particulates, that prevent the fractures from closing when the injection is stopped.
  • trans-loading facilities Limited storage at trans-loading facilities has severely limited many of the current facilities 1 ability to operate efficiently.
  • Most trans-load facilities are forced to off-load rail hopper cars by bringing in trucks (i.e. pneumatics) along the rail siding, and conveying sand directly from rail to truck. This requires an intense coordination effort on the part of the trans-loader as well as the trucking community. Long truck lines are commonplace, and demurrage fees (i.e. waiting time charged by trucking companies) amount to hundreds of millions of dollars nationwide. As such, the trans-loader is not able to fully realize the utilisation of conveying and other material handling equipment. The throughput of these trans-loading; terminals severely reduces costing of the terminal meaningful revenue.
  • optimal trans-load terminal locations are immobile and not able to move from one area of the shale pay to another. Investors in immobile silo and flat storage facilities can see the utilization and value of those investments tumble. A potential loss of the investment in such further exacerbate the logistics chain problem As such, a need has developed for a portable, inexpensive storage and delivery solution for proppant that would help revive the capital needed to improve the facilities and maximize the revenue-generating potential of existing and new trans-load and storage facilities.
  • Exploration and production companies along with the entire U.S. population, pay the ultimate bill for all of the inefficiencies and waste that plagues the proppant supply chain.
  • Service companies are forced to price hydraulic fracturing services by taking into account the historical costs of supply chain problems.
  • Exploration and production companies need to pass on the overall increased cost of production. As such, there is a need to provide a cost-effective solution to improve the profitability of stake holders in the proppant logistics chain, while lowering the overall cost to the consumer
  • U.S. Patent Application Serial No. 13/427,140 filed on March 22, 2012 by the present inventor, describes a system for the delivery of proppant between a loading station and the well site.
  • This application describes the steps of placing the; storage container in a location adjacent to a train site such that the proppant, as delivered by the train, can be discharged into the container.
  • the container can then be transported for storage in stacks at the loading area or can be delivered to a tilting mechanism at the loading station.
  • the tilting station will tilt the container so as to allow the proppant to flow outwardly therefrom.
  • This proppant will flow, by a conveyor, to a pneumatic truck.
  • the truck can then transport the proppant over the highways to the well site.
  • the proppant from the pneumatic truck can then be discharged into a twenty foot container at the well site.
  • These twenty foot containers can be stored at the well site in a stacked configuration.
  • each of the containers can be transported to another tilting mechanism at the well site so that the proppant within each of the storage containers can be discharged onto a conveyor and ultimately for use during the fracturing operation.
  • the twenty-foot ISO container that is utilized is one of the most inexpensive and readily-available pieces of transportation equipment in the world. It was determined that the use of the twenty-foot container allows for the transportation of proppant through various minor modifications to the internal wails and reinforcements of the twenty-foot ISO container. The available capacity is more than acceptable. It was determined that this modified twenty-foot container could hold in excess of forty-five tons of proppant. The cost of affordable compared to the cost of building vertical silos or flat storage buildings.
  • the twenty-foot ISO container was modified by cutting a hole in the top of the container and constructing a water-tight, hinged hatch through which the proppant could be poured by any number of readily-available conveying units. There was also a lower hatch in the twenty-foot ISO container. This lower hatch could be opened to drain the proppant out of the twenty-foot ISO container.
  • a square flow-gate was fabricated and welded to the vertical rear lower side of the twenty-foot container. Tnis gate hatch allowed the container to be tilted in the manner of a dump truck bed. As a result, sand could flow out of the flow gate while moderating the flow of the sand.
  • This patent application provided the ability to trans-load sand via containers from a standard rail hopper car to the twenty-foot ISO container. It was determined that the container could be loaded in less than twenty minutes with at least forty-five itons of proppant. By pre-positioning the container along the rail track, movable conveyors could work the train from one end to the other and unload the train in a very efficient and timely manner. This part of the process eliminated the coordination efforts of calling in pneumatic trucks that could be systematically loaded by conveying units. This reduced the time necessary to unload a train's hopper cars by many hours. It also eliminated truck traffic and demurrage charges at the rail-spur andl trans-load facility.
  • the angle of repose of a granular material is the steepest angle of descent or dip of the slope relative to the horizontal plane when material on the slope face is on the verge of sliding, when bulk granular materials are poured onto a horizontal surface, a conical pile will form.
  • the internal angle between the surface of the pile and the horizontal surface is known as the angle of repose and is material.
  • the angle of repose is also gravity-dep endent.
  • This prior application utilized an insert that is fabricated and welded within the interior of the ten-foot ISO container.
  • the insert allowed the proppant, loaded through the top hatch, to fully flow out of a newly designed bottom flow-gate. The need to manipulate or tilt the container was eliminated.
  • This ten-foot container could now be filled and emptied by using only gravity to do so.
  • U. S. Patent Publication No.2008/0179054 published on July 31 , 2008 to McGough et al., shows a bulk material storage and transportation system.
  • the storage system is mounted on the trailer of a truck.
  • the storage system includes walls thatdefine an interior volume suitable for receiving the aggregate material therein.
  • U.S. Patent No. 7,240,681 issued on July 10, 2007 to L. Saik, describes a trailer-mounted mobile apparatus for dewatering and recovering formation sand.
  • the trailer is mounted to a truck- towabie trailer so as to receive sand therein.
  • Tne container has a pair of sloping end walls. The back end of the container is suitably openable so as to allow the sand to be removed therefrom.
  • a pneumatic or hydraulic ram is provided on the forward part of the container so as to allow the container to be lifted angularly upwardly so as to allow sand to be discharged through the gate at the rear of the container.
  • the container is mounted to a frame on wheels.
  • a hydraulic ram tilts the container for dumping through a rear outlet.
  • a pneumatic conveyor is carried by the frame with an intake at the rear of the container.
  • a gate allows the solids to be dumped conventionally by gravity or to be blown to a storage facility by the pneumatic container.
  • the container has a top hatch formed therein so as to allow the solids to be introduced into the interior of the container.
  • U.S. Patent No. 2,865,521, issued on December 23, 1958 to Fisher et al. shows a bulk material truck that has an interior volume suitable for the receipt of bulk material therein.
  • a pneumatic conveyer is utilized so as to allow the removal of such material from the bottom of the container.
  • a pair of sloping walls are provided on opposite sides of the container so as to allow the bulk material within the container to be passed toward the bottom of the container.
  • a top hatch is provided on the top of the conveyer.
  • the pneumatic conveyer is connected to the bottom of the container.
  • the present invention is a support for moving proppant from a container.
  • the support apparatus comprises a frame having a surface for suitable for receiving a container thereon, a hopper affixed to the frame and having an opening at or adjacent to a lower end thereof, and a conveyor having a surface positioned below the opening of the hopper.
  • the hopper is suitable for receiving proppant from the container.
  • the surface of the conveyor is suitable for receiving the proppant from the hopper.
  • a receptacle is trarislatably positioned at the surface of the frame.
  • An actuator is connected to the receptacle so as to move the receptacle between a first position and a second position.
  • the first position is suitable for retaining the proppant in the container.
  • the second position is suitable for discharging the proppant from the container into the hopper.
  • the receptacle comprises a body having a slot opening at an upper end thereof. The body extends above the surface of the frame.
  • the receptacle includes a first opposite side of the frame.
  • the hopper includes a first side wall, a second side wall, a first end wall and a second end wall.
  • the first end wall and the second end wall extend between the first side wall and the second side wall.
  • the first and second side walls and the first and second end walls converge toward the opening of the hopper.
  • the opening of the hopper in the preferred embodiment of the present invention , has an inverted V-shaped configuration!.
  • the opening of the hopper has a plurality of slots extending thereacross. A solid portion is formed between adjacent pairs of the plurality of siots.
  • a metering gate is translatably positioned adjacent to the opening of the hopper.
  • An actuator is connectedd to the metering gate so as to mov ⁇ the metering gate between a closed position and an open position.
  • the closed position is suitable for retaining the proppant in the hopper.
  • the open position is suitable for selectively releasing proppant from the hopper.
  • the metering gate also has an inverted V-shaped configuration that is in mating relationship with the inverted V-shaped opening of the hopper.
  • the metering gate has a plurality of slots extending thereacross with adjacent pairs of the plurality of slots of the metering gate having a solid portion therebetween.
  • the solid portions of the metering gate are aligned with the plurality of slots of the opening of the hopper when the metering gate is in the closed position.
  • the plurality of slots of the metering gate are aligned with a plurality of slots of the opening of the hopper when the metering gate is in the open position.
  • the conveyor has a portion extending outwardly beyond an end of the frame.
  • the conveyor is suitable for discharging the. proppant to a location outwardly of the frame. This portion of the conveyor angles upwardly beyond the end of the frame.
  • a chute is positioned adjacent an end of the conveyor. The chute is directable toward a desired location.
  • the frame has at least a pair of pin connectors extending upwardly from the surface of the frame.
  • the pin connectors are suitable for engaging respective receptacles formed in the container.
  • the frame has at least a pair of wheels mounted thereto. The pair of wheels are suitable for allowing the frame to move along an underlying surface.
  • the frame also has a hitch at an end thereof. This hitch is suitable for connecting the frame to a vehicle.
  • FIGURE 1 is a perspective view of the container in accordance with the preferred embodiment of the present invention.
  • FIGURE 2 is a side elevational view of the container in accordance with the preferred embodiment of the present invention.
  • FIGURE 3 is a cross-sectional view show ing the container of the preferred embodiment of the present invention.
  • FIGURE 4 is a plan view showing the interior of the container of the preferred embodiment of the present invention.
  • FIGURE 5 is an isolated end view showing the support structure of the system of the preferred embodiment of the present invention.
  • FIGURE 6 is a plan view of the support structure of the system of the present invention.
  • FIGURE 7 is an end view showing the placement of the container upon the support structure in accordance with the preferred embodiment of the system of the present invention.
  • FIGURE 8 is a side view of the container as place on the support structure in accordance with the preferred embodiment of the system of the present invention.
  • FIGURE 9 is 3 side elevational view showing a plurality of containers as placed upon the support structure in accordance with the system of the preferred embodiment of the present invention.
  • FIGURE 10 is a plan view showing a plurality of containers as placed upon the support structure in accordance with the preferred embod iment of the system of the present invention.
  • FIGURE 1 there is shown the container 10 in accordance with the preferred embodiment of the present invention.
  • the container 10 is in the nature of a box 12 having an exterior frame 14.
  • the box 12 includes a top 16, a bottom 18, an end wail 20 and a side wail 22.
  • the side wall 24 is opposite to the side wall 22.
  • An inlet 28 is formed through the top 16 of the box 12.
  • a hatch 30 is removably or hingedly affixed over the inlet 28 so as to allow proppant to be introduced into the interior volume of the container 10.
  • FIGURE 1 it can be seen that the frame 14 extends generally around the exterior of the end walls 20 and 26 and over the side walls 22 and 24. As such, as will be described hereinafter, there is a funnel-shaped bottom of the container that has exterior surfaces exposed through the frame 14. During the course of international shipment, it is important to avoid closed spaces within such a container. As such, the exposure of the surfaces through the openings 32 at the bottom of the frame 14 will aiiow inspectors to have visual access to the areas adjacent to this funnel-shaped area.
  • the container 10 is illustrated as having the top 16 and the bottom 18.
  • the frame 14 provides structural support for the container 10 and general ly surrounds the exterior of the container.
  • the frame is formed of a plurality of vertical bars that extend so as to form a cage-like configuration around the walls 20, 22, 24 and 26.
  • the bottom 18 is generally of a planar shape so that the bottom 18 can be placed upon die support structure (to be described hereinafter).
  • the area 32 shows that the funnel-shaped portion 34 is exposed through the openings of the frame 14. As such, there will be no closed or sealed areas within the interior of the container 10.
  • the hatch 30 is positioned over the inlet 28 at the top 16 of the container 10. As a result, the proppant can be introduced through the inlet 28 when the hatch 30 is opened so as to fill the interior volume of the container 10.
  • the funnel-shaped area 34 defines an outlet 36 located at the bottom 18 of the container 10.
  • the container 10 is a ten-foot ISO container.
  • the container has a length of ten feet, a width of eight feet and a height of 8.5 feet. The height can also be 9.5 feet. This configuration allows between 43,000 and 48,000 pounds of proppant to be introduced into the interior volume of the container.
  • FIGURE 3 shows a partial cross-sectional view of the container 10. It can be seen that the container 10 has an interior volume 38.
  • the outlet 36 is formed adjacent to the bottom 18 of the container iO.
  • a first ramp 40 will extend from the end wall 20 to the outlet 36.
  • a second ramp 42 will extend from the end wall 22 to the outlet 36.
  • the ramps 40 and 42 will serve to funnel the proppant that is retained within the interior volume 38 of the container 10 toward the outlet 36.
  • a gate 44 is positioned within a track 46 located at the bottom 18 of the container 10.
  • the gate 44 is in the nature of flat plate which, as shown in FIGURE 3, covers the outlet 36.
  • the gate 44 includes a pin 48 (in the nature of king bolt) that extends outwardly from the gate 44. When an actuator is connected to the pin 48, it can move the gate 44 from the position closing the outlet 36 to a position opening the outlet 36. Arrow 50 shows the movement of the gate 44 between these positions. Since the gate 44 has a width that generally corresponds to the size of the outlet 36, the gate 44 will only need to move for a small amount of travel so as to move the gate 44 to the open position.
  • FIGURE 4 is an interior view of the container 10.
  • the first ramp 40 will extend from the end wall 20 to the outlet 36.
  • the second ramp 42 extends from the end wall 26 to the outlet 36.
  • a third ramp 52 will extend from the side wall 22 to the outlet 36.
  • Another ramp 54 will extend from the side wall 24 to the outlet 36.
  • the ramps 40, 42, 52 and 54 form the funnel-like shape so that the proppant that is received within the interior volume 38 of the container 10 can flow free downwardly toward the outlet 36.
  • FIGURE 4 it can be seen that the gate 44 is positioned within the track 46.
  • FIGURE 4 shows the gate 44 in its closed position.
  • An actuator can be used so as to move the gate 44 from the position shown in FIGURE 4 in a direction toward either the side wall 22 or the side wall 24.
  • Pins 48 and 58 are illustrated as extending outwardly of the sides of the gate 44.
  • a suitable actuator such as a hydraulic piston-and-cylinder arrangement, can be connected to these pins 48 and/or 50 so as to achieve the requisite movement of the gate 44 from the closed position to the open position.
  • FIGURE 5 is an end view showing the support structure 60 as used in the proppant discharge system of me present invention.
  • the support structure 60 has a frame 62 which forms a top surface
  • the top 64 of the frame 62 has a surface upon which the container 10 can be placed.
  • Suitable pin connections 72 and 74 extend upwardly from the top surface 64 so as to engage corresponding receptacles on the container 10. These pins 72 and 74 can be utilized so as to assure that the container 10 is properly positioned upon the support structure 6G.
  • a receptacle 76 is positioned at or adjacent to the top surface 64.
  • the actuator 78 is affixed to the frame 62 and extends to the receptacle 76.
  • the receptacle 76 has a slot formed in the top end thereof. The slot of the receptacle 76 is suitable forreceiving one of the pins 48 and
  • the actuator 78 can be actuated so as to move the receptacle (£ind its received pin) from the first position 80 to a second position 82.
  • the gate 44 will be opened so that the proppant can be discharged through the outlet 36 of the container 10. Since pins 48 and 58! are symmetrically placed, and since the container 10 is rather symmetrical, the support structure 60 i s particularly adapted to the variety of orientations with the container 10 can be placed upon the top surface 64.
  • FIGURE 5 it can be seen that there is a hopper 84 that is positioned below the top surface 64, Hopper 84 serves to receive a portion of the proppant as discharged through the outlet 36 of the container 10 when the gate 44 is in the open position. As such, the hopper 84 can be utilized so as to properly meter the proppant onto die conveyor 86. Conveyor 86 is located below the opening 88 of the hopper 84.
  • hopper 84 has an opening 88 of a generally inverted V-shaped configuration.
  • metering gate 90 that is mated with the opening 88 and also has a V-shaped configuration. The metering gate 90 can be moved a small distance so as to allow for the selected and controlled discharge of proppant from the hopper 84 onto the conveyor 86.
  • FIGURE 6 shows the interior of the hopper 84.
  • Hopper 84 includes side walls 92 and 94 and end walls 96 and 98.
  • the walls 92, 94, 96 and 98 are formed into a funnel-like shape so as to move the proppant downwardly toward the metering gate 90.
  • the opening 88 of the hopper 84 has a plurality of slots formed therein.
  • the metering gate 90 has a plurality of slots formed therethrough. The structures between the slots is solid. As such, when the slots of the metering gate 90 are aligned with the slots of the opening 88, then proppant can be discharged onto the underlying conveyor 86.
  • a small movement of the metering gate 90 in one direction or another, will block the flow of the proppant through the slots of the opening 88 of hopper 84.
  • very small actuators 100 and 102 can be used so as to achieve the proper metering of the proppant onto the conveyor, if a small now rate of proppant is desired, then the actuators 100 and 102 will move the metering gate 90 only a small distance. If a greater flow rate is required, then the actuators 100 and 102 will move the metering gat e 90 so that the slots of the metering gate 90 fully correspond with the slots of the opening 88 so as to achieve a maximum flow ofproppant from the hopper 84 down to the conveyor.
  • FIGURE 7 shows the container 10 as place:d upon the top surface 64 of the support structure 60.
  • a forklift can be utilized so as to properly position the container 10 in a proper position upon the pins 72 and 74 of the support structure 60.
  • the gate 44 of the container 10 will be closed.
  • the metering gate 90 can also be closed.
  • the gate 44 can be moved to an open position so that the proppant is discharged into the hopper 84.
  • the hopper 84 can then be filled with proppant. when it is desired to move the proppant from the hopper 84, along the conveyor., to the desired destination, then the metering gate 90 can be opened so as to achieve the desired flow rat ⁇ of proppant through the opening 88 of the hopper 84.
  • FIGURE 8 shows a side view in which the container 10 is placed upon the top surface 64 of the support structure 60.
  • the conveyor 86 is illustrated as extending longitudinally. As such, when the proppant passes through the metering gate 90 associated with the hopper 84, any proppant within the interior volume 38 of the container 10 can be delivered, in a controlled manner, onto the conveyor.
  • FIGURE 9 is an illustration of containers 1 10, 1 12, 1 14 and 1 16 as placed upon the support structure 118.
  • the support structure 118 has a sufficient length so as to accommodate the containers 110, 112, 114 and 116.
  • the conveyor 120 is arranged beneath the top surface of the support structure 118 and below the respective hoppers 122, 124, 126 and 128 below the respective containers 1 10, 112, 114 and 1 16.
  • the conveyor 120 is an endless conveyor that is suitably wound around sheaves and idlers so an to travel a desired path.
  • the proppant that is discharged from the containers 110, 112, 1 14 and 116 is discharged onto the conveyor 120 so as to travel therealong and along upwardly extending section 130.
  • the end 132 of the conveyor 120 will open to a chute 134.
  • the chute 134 can be directed toward the desired purposes at the fracturing site.
  • the array of containers 110, 112, 114 an d 116 can be configured so as to replace existing storage facilities at the fracturing site.
  • the support structure i 18, along with the conveyor 120, can be easily transportable by a truck upon a roadway because of the use of the wheels 136.
  • the forward end 138 can be suitably connected to a truck so as to allow for the easy transport of the system of the
  • FIGURE 10 illustrates the placement of the containers 110, 112, 114 and 116 upon the support structure 118.
  • the end 138 includes a suitable hitch connection for attachment to a truck.
  • the conveyor 120 extends below the containers 1 10, 1 12, 114 and 1 16 so as to deliver the proppant to the chute 134.
  • FIGURE 10 illustrates that the chute 134 is suitably pivotable in cooperation with the end 132 of the conveyor 120 so as to allow for the controlled and directed discharge of the proppant to the desired location.
  • the container i 0 of the present invention is manufactured as a single unit.
  • the gate 44 of the container 10 is specifically engineered to align with the actuator 70 located on the conveying system.
  • the actuator is hydraulically controlled and accepts the pin 48 which is attached to the gate 44, When the actuator 70 is activated, the gate 44 moves horizontally so as to allow for the discharge of proppant therefrom.
  • the container of the present invention ca n be specifically applied for transport via rail.
  • the railcar can be designed so as to accommodate up to four containers 10.
  • the railcar can carry approximately 180,000 pounds of proppant when the four containers are placed on the railcar.
  • the railcar can be similar to current inter-modal railcars that carry twenty foot, forty foot and fifty-three foot inter-modal containers.
  • the railcar would include typical inter-modal load-locks which are evenly spaced down to chassis of the railcar.
  • the container should be constructed of materials wide enough to keep the overall loaded weight of the container under currently regulated railroad weight guidelines. Additionally, it must! be strong enough to bear the load of the loaded container.
  • This development allows sand mines to load proppant directly into a container 10 in order to speed up the loading process. It also eliminates the need to build a silo storage at the mine site. Once the container arrives at its designated location or region, trans-load processes to pneumatic trailers, silos or flat storage, are thus eliminated.
  • the present invention is an improved delivery system that can be used at the well-site.
  • the support structure 60 includes a fabricated steel frame upon which multiple containers can be positioned.
  • the containers lock into receptacles that secure the containers to the frame.
  • the container will then sit above a conveying system that delivers the proppant from the container as the gate is opened to a master-conveying belt.
  • the cradle is outfitted with a hydraulic system which can control the opening and closing ofthe gates.
  • the containers of the present invention can be combined as an attachment or cartridge compatible with existing devices known as SAND KINGS (TM), SAND CHIEFS (TM) and SAND DRAGONS (TM). By replacing existing hoppers on these devices with the removable containers of the present inve ntion, even greater efficiencies can be attained in the proppant delivery process.
  • the conveying system of the present invent ion is an alternative method of delivering proppant from the container to the blender belt for the mixing unit once delivered to the well-site.
  • the conveying system of the present invention provides ail of the functionality commonly seen in the SAND MASTER (TM), SAND KING (TM), SAND DRAGON (TM), SAND MOVE (TM), etc.
  • the present invention allows the flow of sand to be metered onto the conveyor belt through a hydraulic system of flow gates.
  • the container is first lifted into position onto the support structure.
  • the bottom flow gate is received by the receptacle of the hydraulic actuator so as to create a lock between the pin of the gate and the hydraulic system.
  • the hydraulic system then opens the flow gate and the proppant so as to gravity-feed into a hopper located on the support structure.
  • Another set of flow gates associated with the hopper system are then opened by way of another hydraulic system. This allows the proppant to be metered and to flow onto a conveyor belt.
  • the conveyor belt can then deliver the proppant to the blender or the T-Belt.
  • the proppant can then be mixed with other materials in the blender.
  • the flatbed trailer, now empty, has the ability to accept that load while it is on- site rather than calling in another trucking company to provide that service.
  • the reduced need for "hot-shot" service is another significant value to the service company and ultimately the exploration and production company.
  • Tne support structure just like the containers, can be delivered to the well-site by a typical flatbed truck. The support structure could be towed via truck to the site in manner similar to any other trailer,
  • Another important advantage to the present invention is the small footprint that the ten-foot ISO containers of the present invention occupy relative to the capacity of sand that they can store.
  • the containers When the containers are stacked three high, the containers can store approximately 135,000 pounds in a footprint of eighty square feet.
  • the available space at the wellhead, and in potential proppant trans-loading facilities, can be extremely limited. As such, the process of the present invention minimizes the footprint that is required for a given amount of proppant at such a location.
  • the present invention minimizes the amount of particulate matter that is released into the air.
  • Proppant is currently delivered to the frac site via pneumatic trailers. Pneumatic pressure is used to pressurize the trailer and then "blow" the material into a sand storage unit. This process creates an immense amount of particulate matter than can then be inhaled by personnel at the frac- site. Additionally, while blowing the sand into the sand storage facility, the sand storage facility must vent the pressurized air to the atmosphere. This creates an even greater exposure to particulate matter.
  • the constant need to take delivery of proppant on-site creates a constant environment of dust and small particles in the air. Since the present invention eliminates pneumatic deliveries, the process of the present invention significantly reduces the amount of particulate matter on the frac-site.
  • the gravity-feed delivery method from the container to the blender greatly improves the safety of weii-site personnel.
  • the present invention also serves to reduce trucking emissions by reducing the amount of traffic.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Loading Or Unloading Of Vehicles (AREA)
  • Auxiliary Methods And Devices For Loading And Unloading (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)

Abstract

L'invention porte sur un appareil pour déplacer un agent de soutènement à partir d'un récipient, lequel appareil a un bâti avec une surface apte à recevoir un récipient sur celle-ci, une trémie fixée au bâti, et un transporteur ayant une surface positionnée en dessous de la trémie. La trémie a une ouverture à une extrémité inférieure de celle-ci, ou au voisinage de celle-ci. La trémie est apte à recevoir un agent de soutènement à partir du récipient. La surface du transporteur est apte à recevoir l'agent de soutènement quand il est déchargé à travers l'ouverture de la trémie. Un réceptacle est positionné de façon à pouvoir effectuer une translation à la surface du bâti. Un canal de dosage est positionné de façon à pouvoir effectuer une translation au voisinage de l'ouverture de la trémie.
EP13823352.3A 2012-07-23 2013-07-02 Appareil de support pour déplacer un agent de soutènement à partir d'un récipient dans un système de décharge d'agent de soutènement Withdrawn EP2885157A4 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP17176259.4A EP3243773A1 (fr) 2012-07-23 2013-07-02 Appareil de support pour déplacer un agent de soutènement à partir d'un récipient dans un système de décharge d'agent de soutènement

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US13/555,635 US9718610B2 (en) 2012-07-23 2012-07-23 Proppant discharge system having a container and the process for providing proppant to a well site
US13/628,702 US10464741B2 (en) 2012-07-23 2012-09-27 Proppant discharge system and a container for use in such a proppant discharge system
US13/660,870 US8668430B2 (en) 2012-07-23 2012-10-25 Proppant discharge system and a container for use in such a proppant discharge system
US13/660,855 US9725233B2 (en) 2012-07-23 2012-10-25 Proppant discharge system and a container for use in such a proppant discharge system
US13/660,840 US8505780B2 (en) 2011-12-21 2012-10-25 Proppant storage vessel and assembly thereof
US13/768,962 US9771224B2 (en) 2012-07-23 2013-02-15 Support apparatus for moving proppant from a container in a proppant discharge system
PCT/US2013/049028 WO2014018236A2 (fr) 2012-07-23 2013-07-02 Appareil de support pour déplacer un agent de soutènement à partir d'un récipient dans un système de décharge d'agent de soutènement

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP17176259.4A Division EP3243773A1 (fr) 2012-07-23 2013-07-02 Appareil de support pour déplacer un agent de soutènement à partir d'un récipient dans un système de décharge d'agent de soutènement

Publications (2)

Publication Number Publication Date
EP2885157A2 true EP2885157A2 (fr) 2015-06-24
EP2885157A4 EP2885157A4 (fr) 2016-05-18

Family

ID=49997948

Family Applications (2)

Application Number Title Priority Date Filing Date
EP13823352.3A Withdrawn EP2885157A4 (fr) 2012-07-23 2013-07-02 Appareil de support pour déplacer un agent de soutènement à partir d'un récipient dans un système de décharge d'agent de soutènement
EP17176259.4A Withdrawn EP3243773A1 (fr) 2012-07-23 2013-07-02 Appareil de support pour déplacer un agent de soutènement à partir d'un récipient dans un système de décharge d'agent de soutènement

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP17176259.4A Withdrawn EP3243773A1 (fr) 2012-07-23 2013-07-02 Appareil de support pour déplacer un agent de soutènement à partir d'un récipient dans un système de décharge d'agent de soutènement

Country Status (7)

Country Link
EP (2) EP2885157A4 (fr)
CN (1) CN104379403A (fr)
AU (3) AU2013293410B2 (fr)
CA (2) CA2974132C (fr)
CO (1) CO7141423A2 (fr)
MX (1) MX358401B (fr)
WO (1) WO2014018236A2 (fr)

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Publication number Publication date
CA2876016A1 (fr) 2014-01-30
CA2876016C (fr) 2017-09-05
WO2014018236A3 (fr) 2014-05-15
MX358401B (es) 2018-08-16
CO7141423A2 (es) 2014-12-12
EP3243773A1 (fr) 2017-11-15
AU2017202215B2 (en) 2018-07-19
AU2013293410B2 (en) 2017-01-05
WO2014018236A2 (fr) 2014-01-30
EP2885157A4 (fr) 2016-05-18
CN104379403A (zh) 2015-02-25
AU2018203334A1 (en) 2018-05-31
CA2974132C (fr) 2019-05-07
CA2974132A1 (fr) 2014-01-30
AU2017202215A1 (en) 2017-04-27
MX2015001055A (es) 2015-08-05
AU2013293410A1 (en) 2015-02-19
AU2018203334B2 (en) 2020-05-07

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