EP2976491B1 - Système de traitement et de décharge de déblai de forage et de déchets de grand volume sans obstruction - Google Patents

Système de traitement et de décharge de déblai de forage et de déchets de grand volume sans obstruction Download PDF

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Publication number
EP2976491B1
EP2976491B1 EP13878557.1A EP13878557A EP2976491B1 EP 2976491 B1 EP2976491 B1 EP 2976491B1 EP 13878557 A EP13878557 A EP 13878557A EP 2976491 B1 EP2976491 B1 EP 2976491B1
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EP
European Patent Office
Prior art keywords
waste
surge tank
tank
drill cuttings
cut
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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EP13878557.1A
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German (de)
English (en)
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EP2976491A1 (fr
EP2976491A4 (fr
Inventor
Joseph Daniel Farrar
Perry Don Lyman
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.)
KMC OIL TOOLS BV
Lyman Perry Don
Original Assignee
KMC OIL TOOLS BV
Lyman Perry Don
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Publication date
Priority claimed from US13/848,445 external-priority patent/US8656991B2/en
Application filed by KMC OIL TOOLS BV, Lyman Perry Don filed Critical KMC OIL TOOLS BV
Publication of EP2976491A1 publication Critical patent/EP2976491A1/fr
Publication of EP2976491A4 publication Critical patent/EP2976491A4/fr
Application granted granted Critical
Publication of EP2976491B1 publication Critical patent/EP2976491B1/fr
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    • 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
    • E21B21/063—Arrangements for treating drilling fluids outside the borehole by separating components

Definitions

  • the present invention generally relates to a drill cutting and waste removal system for removing waste from a wellbore at the rate that the rig is drilling.
  • WO 2005/023430 discloses a method and apparatus for removing oil from oil-contaminated waste.
  • Oil is removed drilling wastes such as drill cuttings and oil slops, and other industrial oily wastes such as refinery and interceptor wastes, by forming a microemulsion of reduced particle size oil-contaminated material.
  • a clog free waste removal system for removing waste or drilling cuttings from a wellbore as defined in claim 1.
  • the present invention helps prevent toxic waste being in contact with humans on an offshore oil rig, and prevent spill of waste into the sea, or land, if the rig is land based.
  • Waste such as drilling fluid, namely drilling mud
  • the present closed loop waste treatment transportation system provides a closed environment for transporting waste that helps keeps rigs safer for roughnecks and crew.
  • the closed loop system for waste treatment lowers the risk of permanent paralysis of a person working on a rig and lowers the chance of a head injury for a person working on a rig by eliminating the need to lift a box of waste off a rig.
  • the present invention eliminates the need to do 100's of lifts of waste boxes for removal of waste from the rig, over the life the well.
  • This rig with waste transport system saves thousands of man hours over the life of a well reducing hours of potentially hazardous duty to rig and offshore service vessel personnel.
  • the boxes typically weigh 10 tons when full and when lifted from the rig.
  • the present invention avoids the need for these waste boxes.
  • Waste boxes which could be 10 tons filled, could drop through the decks of rig tenders, severely damaging the tender or sinking them.
  • the invention prevents damaging and sinking of tenders to offshore vessels.
  • the invention saves over 415 metric tons per year of CO2 emissions for a rig annually as compared to currently available waste transportation systems. This calculation has been determining using the U.S. Environmental Protection Agency website EPA.gov when inserting the low horsepower needed by the present invention as compared to a commercially available unit.
  • the invention uses a fuel efficient low horsepower, 30 hp as compared to the conventional 120 hp, for retrieval of cuttings from a rig buffer storage, which enables significant savings on hundreds of tons of CO2 emissions.
  • the present system allows oil and natural gas rigs to continue drilling operations when the weather prevents offshore service vessels from being alongside a rig for removal of cuttings.
  • the current invention allows a rig to continuously operate by allowing continuous waste transport removal, saving day rates of $500,000 to $1,000,000 by keeping the rigs operating even in bad weather, such as a storm with a wave height exceeding 3 meters.
  • This unique system reduces CO2 emission over the life of the well.
  • the invention relates to a system with rig buffer storage and optional surge tank for receiving and processing drill cuttings and waste made for example, by a drilling rig.
  • the rig buffer storage has a tank in a frame with an inlet and an outlet, a moveable weir for expanding to accommodate additional drill cuttings, a central sweep member for cutting the drill cuttings and waste opposite a peripheral outer ring with peripheral cutting members, allowing bidirectional cuttings, a controller for controlling rates of flow into and out of the rig buffer storage and the central sweep member rotation via a motor with reduction gear and further having a first transportation system for moving waste from the wellbore to the rig buffer storage and a second transportation system for moving cut waste and cut drill cuttings to a post treatment system, a skip, or a vessel, ultimately for transport to another location.
  • Figure 1A is representation of an offshore oil rig usable with an embodiment of the present invention.
  • Figure 1B is a representation of a land based oil rig usable with an embodiment of the present invention wherein a surge tank fluidly connected to a rig buffer storage will be used on the rig.
  • Figures 1A and 1B show an oil and natural gas drilling or production rig 1 usable with the system.
  • the oil and natural gas drilling or production rig 1 can have a derrick 10 with a deck 11.
  • the derrick 10 can have crown block 12 above the deck 11.
  • a top drive 17 can be attached to the traveling block 16.
  • a tubular 18 can be attached to the top drive 17.
  • a drill bit 19 can be secured to the tubular 18 opposite the top drive 17 for drilling a wellbore 2.
  • a blowout preventer 20 is shown connected between the drill bit 19 and the top drive 17.
  • a mud pump 22 is connected to a mud reservoir 24 for flowing drilling mud 25 contained in the mud reservoir to the top drive 17 then through to the tubular 18 to the drill bit 19.
  • the drilling mud then is flowed back up the wellbore 2 to a solids removal system 27 for separating drill cuttings and waste from the drilling mud.
  • a typical solids removal system can be a shaker system such as those made by Scomi Equipment Inc. of Houston, Texas.
  • a rig power generation plant 26 is connected to the mud pump 22, a drawworks 13, and the top drive 17.
  • a first incoming transportation system 3 shown in Figure 1A receives separated drill cuttings or waste or combinations thereof, from the solids removal system 27.
  • a second incoming transportation system 4 shown in Figure 1B receives separated drill cutting or waste or combinations thereof form the solids removal system 27.
  • the incoming transportation systems 3 and 4 can be a dense phase conveyance system (also known as a "DPCS"), a vacuum conveyance system, a dilute conveyance system, an auger, or combinations of these conveyance systems.
  • DPCS dense phase conveyance system
  • vacuum conveyance system also known as a "DPCS"
  • dilute conveyance system a dilute conveyance system
  • auger or combinations of these conveyance systems.
  • the incoming transportation systems can be mounted to the deck in embodiments wherein the rig is an offshore vessel.
  • the term "deck” as used herein for land based rigs, can refer to the rig floor, the substructure or an oil field mat.
  • Figure 2 is a view of a rig buffer storage usable in embodiments of the present invention.
  • Figure 3 is a side view of the rig buffer storage usable in embodiments of the present invention.
  • Rig buffer storage 200 can be disposed on the deck of the oil and natural gas drilling or production rig.
  • the rig buffer storage 200 can receive the drill cuttings or waste or both from the first incoming transportation system 3.
  • the rig buffer storage 200 can have a lifting frame 202.
  • the lifting frame 202 in embodiments can be fastened to the deck or to the rig floor.
  • the lifting frame 202 can support a tank 204.
  • the tank 204 can receive drill cuttings or waste from a first incoming transportation system 3 via an upper tank inlet 206, a lower tank inlet 208 or combinations thereof.
  • the tank 204 can have a vent valve 216 that controls venting of the tank.
  • the tank 204 can have a discharge port 209 through which drill cuttings or cut waste is flowed.
  • a discharge valve 212 can be connected to the discharge port 209.
  • a weir controller 210 that controls or adjusts a height of a moveable weir in the tank.
  • the height can be adjusted from 6 inches to 18 inches in an embodiment allowing the weir to become flush with the top of a central sweep member in the tank or raised up to allow for easier flow of drill cuttings and waste to the central sweep member in the tank.
  • Weir controller 210 is depicted as a rotatable mechanical wheel, but in embodiments can be an electronic controller connected to a motor for raising or lowering the moveable weir.
  • the tank receives the drill cuttings and processes them at the same rate that the well is operating, at a rate a post treatment unit can handle, or a tendered floating vessel can handle.
  • this system can handle drill cuttings from 15 cubic meters of cuttings per hour to 60 or more cubic meters of cuttings per hour.
  • a low horsepower controllable central sweep motor 214 can connect to and operate a central sweep member for rotating a plurality of blades.
  • a controller 215 is depicted in communication with the low horsepower controllable central sweep motor 214.
  • the controller can also be in communication with the vent valve and the discharge valve.
  • Figure 3 further shows the tank 204 with a ladder 205.
  • a transport line 207 is depicted for flowing waste up and into the upper portion of the tank from a lower tank inlet 208, creating agitation and non-laminar flow and to fill the tank.
  • a first outgoing transportation device 116 is shown connected to the tank.
  • the first outgoing transportation device can be a dense phase conveyance system (also known as a "DPCS") such as a CBP-800 made by Scomi Equipment Inc., a vacuum conveyance system such as the Scomi Equipment Inc. rig vacuum system, a dilute conveyance system such as those made by Scomi Equipment Inc., an auger such as a 12 inches to 18 inch diameter auger with a variable length, or combinations thereof, for communicating cut waste or drill cuttings from the tank.
  • DPCS dense phase conveyance system
  • CBP-800 made by Scomi Equipment Inc.
  • a vacuum conveyance system such as the Scomi Equipment Inc. rig vacuum system
  • a dilute conveyance system such as those made by Scomi Equipment Inc.
  • an auger such as a 12 inches to 18 inch diameter auger with a variable length, or combinations thereof, for communicating cut waste or drill cuttings from the tank.
  • the first outgoing transportation device 116 is shown flowing waste to a skip 970.
  • the skip can be moveable and relocatable.
  • the skip 970 can be positioned on the deck, for receiving the cut waste or drill cuttings from the first outgoing transportation device 116.
  • Skips can be those provided by Scomi Equipment Inc., known as cuttings skips, and can hold up to 10 ton of waste.
  • the skip can be a post treatment device can be a thermal treatment system enabling the drill cuttings or waste to be disposed of at sea.
  • Figure 4 depicts a central sweep member 240 having a plurality of blades 242a-242c for cutting segments of drill cuttings or waste in the tank 204. Four blades can be used, though three blades are depicted in this view.
  • the plurality of blades can each have a length from 1 foot and 3 feet and in embodiments are slightly less than 50 percent the width of the an outer ring 1008 in the tank.
  • Each blade can in embodiments, be oriented at an angle of 45 percent of a longitudinal axis of the tank to push drill cuttings or waste out towards the outer ring 1008.
  • the low horsepower controllable central sweep motor 214 can be connected to the central sweep member 240 and can rotate the plurality of blades 242a-242c for cutting segments of drill cuttings or waste in the tank 204.
  • the controller 215 is depicted in communication with the low horsepower controllable central sweep motor 214. In one or more embodiments, the controller can also be in communication with the vent valve and the discharge valve.
  • a moveable weir 244 can be used for adjusting the volume of drill cuttings or waste to be cut by the plurality of blades in the tank.
  • the moveable weir is adjusted using the weir controller 210.
  • Gear reduction equipment 246 amplifies torque from the low horsepower controllable central sweep motor to initiate rotation of the plurality of blades, allowing the plurality of blades to cut the waste or drill cuttings.
  • Figure 4 also shows an outer ring 1008 with a plurality of peripheral sweep members 180a.
  • the plurality of peripheral sweep members can be mounted to the outer ring in a plane identical to the plurality of blades of the central sweep member.
  • the outer ring 1008 and the plurality of peripheral sweep members 180a are for clearing cut waste and flowing the cut waste to the discharge port 209.
  • the outer ring 1008 can range in size from 250 mm to 500 mm in diameter.
  • the peripheral sweep members can each be from 3 inches to 20 inches in length. Each peripheral sweep member can have a thickness from 1 ⁇ 4 of an inch to 2 inches. In embodiments, the peripheral sweep members can be mounted at a 90 degree angle from the outer ring.
  • first outgoing transportation device 116 that can be in fluid communication with the discharge valve 212.
  • the first outgoing transportation device 116 can be a dense phase conveyance system (also known as a "DPCS"), a vacuum conveyance system, a dilute conveyance system, an auger, or combinations thereof, for communicating cut waste or drill cuttings from the tank.
  • DPCS dense phase conveyance system
  • vacuum conveyance system also known as a "DPCS”
  • dilute conveyance system for communicating cut waste or drill cuttings from the tank.
  • auger for communicating cut waste or drill cuttings from the tank.
  • the system can use a network 248 to bidirectional communicate with the controller 215.
  • the network 248 allows the controller 215 to communicate drill cutting and waste disposal information to client devices 250 that are connected to the network.
  • the client devices can perform for data acquisition and analysis.
  • the client devices can be laptops, cell phones, or other devices with a processor, data storage and a display, such as a computer.
  • the client devices can be remote to the rig buffer storage.
  • Figure 5A is a partial sectional view of the central sweep member and associated apparatus of the rig buffer storage as connected to a transportation device.
  • Figure 5B is partial sectional view of the central sweep member and associated apparatus of the rig buffer storage as connected to a floating vessel or skips.
  • FIG. 5A and 5B shows a hybrid perspective cut away view with diagrammed elements connected thereto.
  • the outer ring 1008 and the plurality of peripheral sweep members 180a-180f are for clearing cut waste and flowing the cut waste to the discharge port 209.
  • the plurality of peripheral sweep members 180a-180f can be in a plane identical to the plurality of blades 242a-242d of the central sweep member.
  • the gear reduction equipment 246 is shown connected to the low horsepower controllable central sweep motor 214.
  • the central sweep motor 214 can be explosion proof in embodiments.
  • the moveable weir 244 is shown and can be adjustable by the weir controller 210.
  • the weir controller 210 can raise or lower the moveable weir 244 adjusting the volume of drill cuttings or waste to be cut by the plurality of blades 242a-242d.
  • the central sweep member can have four blades. In other embodiments, the central sweep member can have from two to eight blades. In additional embodiments, the central sweep member in the rig buffer or the transportation surge vessel, or combinations thereof can have from two to eight blades.
  • the moveable weir 244 can be an adjustable ring that adjustably controls a volume of drill cuttings and waste to the central sweep member by controlling the thickness of waste being cut by each rotation of the central sweep member.
  • Figure 5A shows the first outgoing transportation device 116 connected to a friction based heating system 1000 to strip oil from the cuttings or waste.
  • a usable friction based heating system can be a hammer mill.
  • FIG. 5A shows the first outgoing transportation device 116 connected to a microwave based heating system 1002 to strip oil from the drill cuttings or waste.
  • a usable microwave based heating system 1002 can use microwaves, such as those in a microwave oven, 75 to 200 kilowatts, to heat the drill cuttings to vaporize the oil and carry the oil off with steam and then distill the oil and water separately to usable streams.
  • Figure 5A shows the first outgoing transportation device 116 connected to a solvent extraction system 1004.
  • Solvent extraction systems use chemical to strip the oil from the particulate, such as using benzene or toluene to strip the oil off and create "cleaned particulate" waste.
  • Many suppliers create solvent extraction systems for removing oil from particulate and most would be usable in this closed loop system.
  • Figure 5A shows the first outgoing transportation device 116 connected to or a micro-emulsion based wash system 1006 for treating the drill cuttings and waste to remove oil from the drill cuttings and waste.
  • a usable micro-emulsion based wash system can be one that is available from SAS of the United Kingdom.
  • Figure 5B shows the same parts as Figure 5A for of the rig buffer storage, however, in this embodiment; a second outgoing transportation device 115 is fluidly connected to the rig buffer storage.
  • the second outgoing transportation device 115 is for communicating cut waste or drill cuttings from the tank of the rig storage buffer and flowing the cut waste or drill cuttings to either: a skip 970 positioned nearby for receiving the cut waste or drill cuttings from the outgoing transportation device which is then loaded on a floating transport ship; or a floating transport ship fluidly connected to the oil and natural gas drilling or production rig for receiving the cut waste or drill cuttings in bulk storage containers on the floating transport ship.
  • the second outgoing transportation device 115 is either a dense phase conveyance system, a dense phase conveyance system with an auger, an auger, a vacuum conveyance system, or combinations thereof.
  • Figure 6 depicts a surge tank assembly 400 mounted on the deck.
  • the surge tank assembly 400 can be disposed between (a) a second incoming transport system shown in Figure 1B in communication with the wellbore and (b) the first incoming transport system shown in Figure 2 , communicating directly with the rig buffer storage.
  • the surge tank assembly 400 can have a surge tank frame 402, a surge tank 404, and a surge tank discharge port 406.
  • the surge tank 404 can have a surge tank upper tank inlet 407 and a surge tank discharge valve 498.
  • the surge tank assembly 400 has a surge tank vent 496, a surge tank low horsepower controllable central sweep motor 492 and a surge tank gear reduction equipment 494 for amplifying torque from the surge tank low horsepower controllable central sweep motor 492 to initiate rotation of the plurality of surge tank blades, allowing the plurality of surge tank blades to cut the waste or drill cuttings.
  • surge tank weir controller 493 for adjusting the volume of drill cuttings or waste in the surge tank moveable weir to be cut by the plurality of blades.
  • FIG. 7 shows the internals of the surge tank assembly 400 with a surge tank central sweep member 490 having a plurality of surge tank blades 491a and 491b being depicted for cutting segments of drill cuttings or waste in the surge tank 404.
  • surge tank low horsepower controllable central sweep motor 492 connected to the surge tank central sweep member 490 for rotating the plurality of surge tank blades.
  • surge tank gear reduction equipment 494 for amplifying torque from the surge tank low horsepower controllable central sweep motor 492 to initiate rotation of the plurality of surge tank blades, allowing the plurality of surge tank blades to cut the waste or drill cuttings.
  • the surge tank frame 402, the surge tank discharge port 406, and the surge tank discharge valve 498 are disposed in the surge tank assembly 400.
  • the surge tank can be smaller in volume than the rig buffer tank.
  • the surge tank contains surge tank peripheral sweep members 505a and 505b.
  • the surge tank has a surge tank outer ring 2008 secured to a plurality of the surge tank peripheral sweep members 505a and 505b in a plane identical to the plurality of surge tank blades.
  • the surge tank outer ring 2008 and the surge tank peripheral sweep members 505a and 505b are for clearing cut waste and flowing the cut waste to the surge tank discharge port 406.
  • the surge tank can communicate to the first incoming transportation device 3.
  • Figure 8 shows another view of the surge tank 404 in the surge tank frame 402, and the surge tank discharge valve 498.
  • the surge tank has a surge tank upper tank inlet 407 connected to a second incoming transportation system 4 which can be an auger or a trough connected to the wellbore 2.
  • the surge tank gear reduction equipment 494 can be connected to a surge tank motor 492 which is run by a surge tank controller 495.
  • the surge tank can be connected to incoming transportation system 3.
  • the first incoming transportation system 3 goes to the rig buffer storage 200.
  • the surge tank controller 495 can communicate to the network 248 as well to communicate to the client device 250.
  • Figure 9 shows a method for transporting drill cuttings or waste using a closed loop waste transportation system.
  • Step 902 involves moving separated waste and drilled cuttings to a rig buffer tank for storage, wherein the rig buffer tank receives the waste or drill cuttings at the same rate that the drilled cuttings and separated waste are being produced.
  • Step 904 involves emptying the rig buffer tank by rotating a central sweep member to cut the waste or drilled cuttings into transportable segments.
  • Step 906 involves flowing the transportable segments from the rig buffer tank to (i) a post treatment device at a preset rate, enabling post treatment to meet a preset post treatment capacity, (ii) to a skip for loading to an offshore transport ship, (iii) storage containers on a floating transport ship or combinations thereof.
  • Step 908 can be used that involves using a surge tank to receive the separated drilled cuttings from the drilling mud, then cutting the separated drilled cuttings, and flowing the cut drill cuttings to the rig buffer storage to even out surges created by variable rates of penetration during drilling or during wellbore production activities and maintain a constant flow to the rig buffer storage.
  • Figures 10A depicts a cut away view of an upper portion of the tank of the rig buffer storage depicting the tangential entry of the inlet.
  • Figure 10B depicts a sectional view of the upper portion of the tank of Figure 10A .
  • the inlet to the rig buffer tank has a tangential entry to the rig buffer tank in line with the radius of the tank for receiving waste and drilled cuttings from the first incoming transportation system.
  • the rig buffer storage if it has the tangential entry can further include a vortex finder 218 mounted centrally in an upper portion of the rig buffer tank to create a circular flow around a circumference of the tank 204.
  • the tank 204 is contained in the lifting frame 202.
  • the tank 204 has an upper tank inlet 206.
  • the vortex finder 218 can be mounted centrally in an upper portion of the rig buffer storage tank to create a circular flow of waste or drilling cutting around a circumference of the rig buffer tank.
  • rig buffer storage tank having a baffle 220 connected between the vortex finder 218 and an inner wall 222 of the tank for enhancing the circular flow of the waste or drilling cuttings around a circumference of the rig buffer tank.
  • a vent valve 216 is also depicted.
  • Figure 11 shows an embodiment having a plurality of rig buffer storage 200a and 200b connected in series between the first incoming transportation system 3 and the first outgoing transportation device 116.

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Claims (12)

  1. Système de retrait de déchets sans colmatage servant à retirer des déchets ou des déblais de forage en provenance d'un puits de forage à la même vitesse à laquelle les déchets sont produits, le système de retrait de déchets sans colmatage comportant :
    a. un système de transport entrant (3 ; 4) servant à recevoir des déblais de forage séparés, des déchets, ou une combinaison de ceux-ci, en provenance d'un système de retrait de solides (27) associé à un puits de gaz naturel, de pétrole ou autre, dans lequel le système de transport entrant comporte : un système de transport en phase quasi liquide, un système de transport sous vide, un système de transport en phase diluée, ou une tarière, ou des combinaisons de ceux-ci ;
    b. un dispositif de stockage tampon pour installation de forage (200) raccordé au système de transport entrant, dans lequel le dispositif de stockage tampon pour installation de forage comporte :
    (i) un châssis de levage (202) ;
    (ii) un réservoir (204) supporté par le châssis de levage, dans lequel le réservoir reçoit les déblais de forage ou les déchets en provenance du système de transport entrant par le biais d'une entrée supérieure pour réservoir (206), une entrée inférieure pour réservoir (208), ou des combinaisons de celles-ci ; et par ailleurs dans lequel le réservoir décharge les déblais de forage ou les déchets découpés au travers d'un orifice de décharge (209) ;
    (iii) un élément de balayage central (240) ayant une pluralité de lames (242a - 242c) servant à découper des segments de déblais de forage ou de déchets dans le réservoir ;
    (iv) un moteur de balayage central à commande de faible puissance (214) raccordé à l'élément de balayage central servant à la rotation de la pluralité de lames ;
    (v) un déversoir mobile (244) dans le réservoir servant à contenir de manière ajustable un volume de déblais de forage ou de déchets destinés à être découpés par la pluralité de lames ;
    (vi) un dispositif de commande de déversoir (210) servant à ajuster une hauteur du déversoir mobile ;
    (vii) un équipement de réduction d'engrenage (246) servant à amplifier le couple en provenance du moteur de balayage central à commande de faible puissance à des fins d'initialisation de la rotation de la pluralité de lames, pour permettre à pluralité de lames de découper les déchets ou les déblais de forage ;
    (viii) un dispositif de commande (215) en communication avec le moteur de balayage central à commande de faible puissance, une soupape de ventilation, et une soupape de décharge ;
    (ix) une bague extérieure (1008) ayant une pluralité d'éléments de balayage périphériques (180a) dans un plan identique par rapport à la pluralité de lames de l'élément de balayage central, dans lequel la bague extérieure et les éléments de balayage périphériques sont destinés à dégager les déchets découpés et à faire écouler les déchets découpés jusqu'à l'orifice de décharge (209) ; et
    c. un dispositif de transport sortant (115 ; 116) en communication avec le dispositif de stockage tampon pour installation de forage ; comportant un système de transport en phase quasi liquide, un système de transport sous vide, un système de transport en phase diluée, une tarière, ou des combinaisons de ceux-ci, à des fins de communication des déchets découpés ou des déblais de forage en provenance du réservoir et à des fins d'écoulement des déchets découpés ou des déblais de forage vers l'un parmi :
    (i) un dispositif de post-traitement, ou une benne en mesure d'être déplacée et relocalisée raccordée de manière fluidique au dispositif de transport sortant pour recevoir les déchets découpés ou les déblais de forage en provenance du dispositif de transport sortant ;
    (ii) une benne en mesure d'être déplacée et relocalisée positionnée à proximité pour recevoir les déchets découpés ou les déblais de forage en provenance du dispositif de transport sortant qui est ensuite chargé sur un navire de transport flottant ; ou
    (iii) un navire de transport flottant raccordé de manière fluidique à l'installation de forage ou de production de pétrole et de gaz naturel pour recevoir les déchets découpés ou les déblais de forage dans des conteneurs de stockage en vrac sur le navire de transport flottant.
  2. Système de retrait de déchets sans colmatage selon la revendication 1, dans lequel le dispositif de post-traitement est sélectionné dans le groupe constitué par :
    1. un système de chauffage à base de friction pour éliminer le pétrole en provenance des déblais ou des déchets ;
    2. un système de chauffage à base de micro-ondes pour éliminer le pétrole en provenance des déblais de forage ou des déchets ;
    3. un système d'extraction de solvant ; ou
    4. un système de lavage à base de micro-émulsion pour traiter les déblais de forage et les déchets pour retirer le pétrole en provenance des déblais de forage et des déchets.
  3. Système de retrait de déchets sans colmatage selon la revendication 1 ou la revendication 2, comportant par ailleurs un ensemble formant réservoir de compensation (400) disposé entre (a) un deuxième système de transport entrant qui est en communication avec le puits de forage et (b) le premier système de transport entrant en prise avec le dispositif de stockage tampon pour installation de forage.
  4. Système de retrait de déchets sans colmatage selon la revendication 3, dans lequel l'ensemble formant réservoir de compensation comporte :
    a. un châssis pour réservoir de compensation (402) ;
    b. un réservoir de compensation (404) contenu dans le châssis pour réservoir de compensation avec une entrée supérieure de réservoir pour réservoir de compensation (407) et un orifice de décharge pour réservoir de compensation (406) ;
    c. un déversoir mobile pour réservoir de compensation (401) disposé dans le réservoir de compensation ;
    d. un élément de balayage central pour réservoir de compensation (490) ayant une pluralité de lames pour réservoir de compensation servant à découper des segments de déblais de forage ou de déchets dans le réservoir de compensation ;
    e. un moteur de balayage central à commande de faible puissance pour réservoir de compensation (492) connecté à l'élément de balayage central pour réservoir de compensation à des fins de rotation de la pluralité de lames pour réservoir de compensation ;
    f. une bague extérieure pour réservoir de compensation (2008) ayant une pluralité d'éléments de balayage périphériques pour réservoir de compensation dans un plan identique à la pluralité de lames pour réservoir de compensation de l'élément de balayage central pour réservoir de compensation, dans lequel la bague extérieure pour réservoir de compensation et les éléments de balayage périphériques pour réservoir de compensation sont destinés à dégager les déchets découpés et à faire écouler les déchets découpés jusqu'à l'orifice de décharge pour réservoir de compensation ;
    g. un dispositif de commande de déversoir pour réservoir de compensation (493) servant à ajuster le volume de déblais de forage ou de déchets dans le déversoir mobile pour réservoir de compensation destinés à être découpés par la pluralité de lames ;
    h. un équipement de réduction d'engrenage pour réservoir de compensation (494) servant à amplifier le couple en provenance du moteur de balayage central à commande de faible puissance pour réservoir de compensation à des fins d'initialisation de la rotation de la pluralité de lames pour réservoir de compensation, pour permettre à pluralité de lames pour réservoir de compensation de découper les déchets ou les déblais de forage ; et
    i. un dispositif de commande pour réservoir de compensation (495) en communication avec le moteur de balayage central à commande de faible puissance pour réservoir de compensation, une soupape de ventilation pour réservoir de compensation, et une soupape de décharge pour réservoir de compensation, et par ailleurs dans lequel un volume du réservoir de compensation est inférieur en termes de volume par rapport à un volume du réservoir tampon pour installation de forage.
  5. Système de retrait de déchets sans colmatage selon l'une quelconque des revendications précédentes, dans lequel l'entrée dans le réservoir tampon pour installation de forage a une entrée tangentielle par rapport au réservoir tampon pour installation de forage depuis le système de transport entrant et comporte par ailleurs un diaphragme de cyclone (218) monté de manière centrale dans une partie supérieure du réservoir tampon pour installation de forage pour créer un écoulement circulaire des déchets ou des déblais de forage autour d'une circonférence du réservoir tampon pour installation de forage.
  6. Système de retrait de déchets sans colmatage selon la revendication 5, comportant par ailleurs une chicane (220) raccordée entre le diaphragme de cyclone et une paroi intérieure du réservoir à des fins d'amélioration de l'écoulement circulaire des déchets ou des déblais de forage autour d'une circonférence du réservoir tampon pour installation de forage.
  7. Système de retrait de déchets sans colmatage selon l'une quelconque des revendications précédentes, dans lequel la pluralité de lames dans le réservoir de compensation ou tampon pour installation de forage va de 2 lames à 8 lames.
  8. Système de retrait de déchets sans colmatage selon l'une quelconque des revendications précédentes, dans lequel le déversoir mobile (244) est une bague ajustable qui commande un volume de déchets ou de déblais de forage destinés à être découpés par chaque rotation de l'élément de balayage central.
  9. Système de retrait de déchets sans colmatage selon l'une quelconque des revendications précédentes, comportant par ailleurs une pluralité d'unités de stockage tampon pour installation de forage (200a, 200b) raccordées en série entre le système de transport entrant et le système de transport sortant.
  10. Système de retrait de déchets sans colmatage selon l'une quelconque des revendications précédentes, comportant par ailleurs un réseau (248) en communication avec le dispositif de commande à des fins de communication d'informations se rapportant à la découpe et au retrait des déchets à un dispositif client à des fins d'acquisition de données et d'analyse connecté au réseau, dans lequel le dispositif client est distant par rapport au dispositif de stockage tampon pour installation de forage.
  11. Procédé servant à transporter des déblais de forage ou des déchets en utilisant un système de transport de déchets en boucle fermée comportant les étapes consistant à :
    a. déplacer les déchets séparés et les déblais de forage jusque dans un réservoir tampon pour installation de forage (204) à des fins de stockage, dans lequel le réservoir tampon pour installation de forage reçoit les déchets ou les déblais de forage à la même vitesse à laquelle les déblais de forage et les déchets séparés sont produits ;
    b. vider le réservoir tampon pour installation de forage (204) par la rotation d'un élément de balayage central (240) pour découper les déchets ou les déblais de forage en des segments transportables ; et
    c. faire écouler les segments transportables depuis le réservoir tampon pour installation de forage (204) jusque dans (i) un dispositif de post-traitement à une vitesse prédéfinie, pour permettre au pré-traitement de satisfaire à une capacité de post-traitement prédéfinie, (ii) une benne, ou (iii) des conteneurs de stockage,
    caractérisé par les étapes consistant à :
    d. utiliser un déversoir mobile (244) dans le réservoir servant à contenir de manière ajustable un volume de déblais de forage ou de déchets destinés à être découpés par la pluralité de lames ;
    e. utiliser un dispositif de commande de déversoir (210) servant à ajuster une hauteur du déversoir mobile ;
    f. utiliser un dispositif de transport sortant (115 ; 116) en communication avec le dispositif de réservoir tampon pour installation de forage ; le dispositif de transport sortant comportant un système de transport en phase quasi liquide, un système de transport sous vide, un système de transport en phase diluée, une tarière, ou des combinaisons de ceux-ci, à des fins de communication des déchets découpés ou des déblais de forage en provenance du réservoir et à des fins d'écoulement des déchets découpés ou des déblais de forage vers l'un parmi :
    (i) un dispositif de post-traitement, ou une benne en mesure d'être déplacée et relocalisée raccordée de manière fluidique au dispositif de transport sortant pour recevoir les déchets découpés ou les déblais de forage en provenance du dispositif de transport sortant ;
    (ii) une benne en mesure d'être déplacée et relocalisée positionnée à proximité pour recevoir les déchets découpés ou les déblais de forage en provenance du dispositif de transport sortant qui est ensuite chargé sur un navire de transport flottant ; ou
    (iii) un navire de transport flottant raccordé de manière fluidique à l'installation de forage ou de production de pétrole et de gaz naturel pour recevoir les déchets découpés ou les déblais de forage dans des conteneurs de stockage en vrac sur le navire de transport flottant.
  12. Procédé selon la revendication 11, comportant par ailleurs les étapes consistant à utiliser un réservoir de compensation (404) pour recevoir les déblais de forage séparés en provenance de la boue de forage, puis consistant à découper les déblais de forage séparés, et consistant à faire écouler les déblais de forage découpés jusqu'au dispositif de stockage tampon pour installation de forage pour équilibrer les surplus créés par des vitesses de pénétration variables au cours du forage ou au cours des activités de production du puits de forage et pour maintenir un écoulement constant jusqu'au dispositif de stockage tampon pour installation de forage.
EP13878557.1A 2013-03-21 2013-05-28 Système de traitement et de décharge de déblai de forage et de déchets de grand volume sans obstruction Not-in-force EP2976491B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13/848,445 US8656991B2 (en) 2009-09-28 2013-03-21 Clog free high volume drill cutting and waste processing offloading system
PCT/US2013/042920 WO2014149065A1 (fr) 2013-03-21 2013-05-28 Système de traitement et de décharge de déblai de forage et de déchets de grand volume sans obstruction

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EP2976491A1 EP2976491A1 (fr) 2016-01-27
EP2976491A4 EP2976491A4 (fr) 2016-12-14
EP2976491B1 true EP2976491B1 (fr) 2018-04-25

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EP (1) EP2976491B1 (fr)
BR (1) BR112015024806B1 (fr)
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11014762B1 (en) 2017-09-11 2021-05-25 Grass Skirt Oilfield Consulting Inc. Apparatus, systems and methods for weighing and distributing drill cuttings in an enclosed cuttings skip
US10732020B1 (en) 2017-09-11 2020-08-04 Grass Skirt Oilfield Consulting Inc. Apparatus systems, and methods for determining cuttings level or volume in an enclosed cuttings skip

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US4595422A (en) * 1984-05-11 1986-06-17 Cds Development, Inc. Drill cutting disposal system
US5053082A (en) * 1990-02-28 1991-10-01 Conoco Inc. Process and apparatus for cleaning particulate solids
US5944418A (en) * 1998-01-15 1999-08-31 Helmerich & Payne International Drilling Company Tank storage and agitation system
US6508583B1 (en) * 2000-11-28 2003-01-21 E. I. Du Pont De Nemours And Company Agitated vessel for producing a suspension of solids
US7493969B2 (en) * 2003-03-19 2009-02-24 Varco I/P, Inc. Drill cuttings conveyance systems and methods
GB0321023D0 (en) * 2003-09-09 2003-10-08 Star Environmental Systems Ltd Waste solid cleaning
US7823607B2 (en) * 2004-01-29 2010-11-02 Ing. Per Gjerdrum As System tank and output unit for transporting untreated drill cuttings
US7971657B2 (en) * 2005-12-13 2011-07-05 Baker Hughes Incorporated Drill cuttings transfer system and related methods
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Also Published As

Publication number Publication date
EP2976491A1 (fr) 2016-01-27
EP2976491A4 (fr) 2016-12-14
BR112015024806A2 (pt) 2018-12-11
BR112015024806B1 (pt) 2022-01-04
WO2014149065A1 (fr) 2014-09-25

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