EP2142754A2 - Single line sliding sleeve downhole tool assembly - Google Patents
Single line sliding sleeve downhole tool assemblyInfo
- Publication number
- EP2142754A2 EP2142754A2 EP08747145A EP08747145A EP2142754A2 EP 2142754 A2 EP2142754 A2 EP 2142754A2 EP 08747145 A EP08747145 A EP 08747145A EP 08747145 A EP08747145 A EP 08747145A EP 2142754 A2 EP2142754 A2 EP 2142754A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- downhole tool
- piston
- sliding sleeve
- wellbore
- fluid
- 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- Withdrawn
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B34/10—Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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 the boreholes or wells
- E21B23/004—Indexing systems for guiding relative movement between telescoping parts of downhole tools
- E21B23/006—"J-slot" systems, i.e. lug and slot indexing mechanisms
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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
- E21B2200/06—Sleeve valves
Definitions
- TITLE SINGLE LINE SLIDING SLEEVE DOWNHOLE TOOL ASSEMBLY
- the present embodiments generally relate to a single fluid line sliding sleeve downhole tool assembly and a system for controlling zones of fluid flow in and out of a wellbore for drilling operations.
- a valve placed in a tubular string can be used to establish communication with the reservoir, or alternatively, to shut-off communication with the reservoir.
- Several devices have been developed over the years to accomplish the opening and/or closing of ports within tubular strings.
- sliding sleeves are generally known as sliding sleeves due to the ability of the devices to shift an inner sleeve from a first position to a second position.
- Sliding sleeves are commercially available from several vendors.
- One type of sliding sleeve that is commercially available is sold under the name "Otis DuraSleeve” and may be purchased from Halliburton Corporation.
- Figure 1 depicts a cross sectional view of a central section of an embodiment of the present single fluid line sliding sleeve downhole tool assembly.
- Figure 2 depicts a cross sectional view of a top section of an embodiment of the present single fluid line sliding sleeve downhole tool assembly.
- Figure 3 depicts a cross sectional view of a mid-lower section of an embodiment of the present single fluid line sliding sleeve downhole tool assembly.
- Figure 4 depicts a cross sectional view of a bottom section of an embodiment of the present single fluid line sliding sleeve downhole tool assembly.
- Figure 5A depicts a cross sectional view of an embodiment of the present single fluid line sliding sleeve downhole tool assembly showing a piston in its original position.
- Figure 5B depicts a cross sectional view of an embodiment of the present single fluid line sliding sleeve downhole tool assembly showing a piston in its secondary position.
- Figure 6 is an unfolded view of an embodiment of the logic drum.
- Figure 7 is an isometric view of the embodiment of the logic drum.
- Figure 8 is a cross sectional view of a seal assembly.
- Figure 9A is a cross sectional view of the sleeve of the present single fluid line sliding sleeve downhole tool assembly in a closed position.
- Figure 9B is a cross sectional view of the sleeve of the present single fluid line sliding sleeve downhole tool assembly in an open position.
- Figure 10 is a schematic of an embodiment of the system for controlling zones of fluid flow in and out of a wellbore wherein multiple single fluid line sliding sleeves are connected in series.
- the present embodiments relate to a single fluid line sliding sleeve downhole tool assembly and a system for controlling zones of fluid flow in and out of a wellbore.
- the present embodiments relate to a downhole tool used in the production of hydrocarbons from subterranean reservoirs and a method of use for said tool.
- the system for controlling zones of fluid flow in and out of a wellbore has a top of a well and a bottom of a well.
- the system includes a control line connected to a power source, and a control system disposed in the wellbore.
- One advantage of the present embodiments of the inventions is that the present single fluid line sliding sleeve downhole tool assembly can withstand extreme temperatures and pressures, such as those found within an oil or natural gas well while retaining effective seals and valves.
- the present single fluid line sliding sleeve downhole tool assembly can selectively be shifted between open and closed positions under well conditions without causing damage to the assembly, or any seals or components within the assembly, providing an assembly with an improved product life over existing sliding sleeves.
- the present single fluid line sliding sleeve downhole tool assembly utilizes parts and materials uniquely suitable to maintain their tensile strength at high temperatures, and further utilizes an arrangement of parts and components that allows the tool assembly to maintain operation in high temperature and high pressure conditions.
- the present downhole tool assembly has a top sub engaging a top connector.
- the top connector connects to a body.
- the body can be eccentric, concentric, or other shapes.
- the body engages a middle connector.
- the middle connector engages a port housing.
- the port housing can engage a lower connector, which can engage a bottom sub.
- An annulus port can be disposed in the port housing for communicating fluid between an annulus and tubing.
- FIG. 1 a cross sectional view of an embodiment of a central section of the present single fluid line sliding sleeve downhole tool assembly is depicted.
- a top connector 4 is depicted in communication with a body 6.
- the top connector 4 can be a cylindrical threaded tubular member having a seal surface forming an inner diameter from about 2.25 inches to about 6.75 inches and an outer diameter from about 2.5 to about 7 inches.
- the top connector can made from carbon steel or another nickel alloy.
- the top connector can be from about 1 foot to about 4 feet long.
- the top connector 4 is further shown having an inner shoulder 69 creating an inner diameter from about 0.25 inch to about 0.5 inches in the top connector.
- the body 6 can be made from carbon steel or a nickel alloy steel.
- the body has an overall length ranging from one foot to ten feet.
- the body is generally tubular and cylindrical, but can be another shape than can run into a well, such as an oblong or elliptical shape.
- the body is contemplated to be mostly metal and have a tensile strength equal to or greater than the tubing in the body.
- An upper logic drum 23a and a lower logic drum 23b are disposed between the body 6 and a sleeve 14 for rotating and translating alternatingly between a first piston 26 and a second piston 28.
- the first piston 26 is disposed in the body 6 and connected to a fluid source 30, such as a fluid reservoir, a pressurized tank, a hydraulic tank, or a similar fluid containment device. The communication is through a single fluid line 71.
- the first piston 26 can be made from steel, another elastomeric material or a nonelastomeric material which enables the piston to slide in the chamber.
- the pistons have an outer diameter ranging from 0.25 inches to 1.5 inches and an overall length ranging from 0.25 inches to 2 inches.
- the first piston 26 is connected to a first shaft 27a.
- the first shaft 27a can have be made from steel or another material.
- the shaft can have a cylindrical shape or another polygonal shape.
- the first shaft 27a is connected to a first pin 25a.
- the first pin 25a can have a cylindrical shape, a conical shape, a cubic shape, a rectangular shape, or a substantially similar shape.
- the first pin can range from 0.25 inches to 2 inches in length and have a diameter between ranging from 0.125 inches to 1.5 inches.
- the pin can be solid or hollow.
- a second piston 28 is disposed within the body 6 opposite the first piston 26.
- the second piston 28 is also connected to the fluid source 30.
- the fluid communication is the single fluid line 71.
- the second piston 28 is secured to a second shaft 27b, which can be substantially similar to the first shaft 27a.
- the second shaft 27a is secured to second pin 25b, which can be substantially similar to the first pin 25a.
- the second pin 25b can also have a different shape than the first pin 25 a.
- the first pin 25 a engages the upper logic drum 23 a, and the second pin 25b engages the lower logic drum 23b.
- a first plug 48a separates the body 6 from an adjacent annulus 7.
- a second plug 48a separates the body 6 from an adjacent annulus 7.
- the first plug 48a and the second plug 48b can be steel plugs, non-elastomeric polymer plugs, such as nylon so long as it contains the pressure of the fluid at the temperatures for operation.
- First plug 48a and second plug 48b provide a sealing engagement between the body 6 and the annulus 7.
- Figure 1 also depicts a third plug 48c, separating the body 6 from the annulus 7, which can be substantially similar to first plug 48a and second plug 48b. It is also contemplated that first plug 48a, second plug 48b, and third plug 48c can be different types of plugs.
- a valve 42 is depicted disposed within the body 6 between the body 6 and the annulus 7.
- An additional embodiment has the valve disposed within the body 6 between and the body 6 and the tubing.
- An additional embodiment has the valve disposed within the body 6 between and the body 6 and the surface via control line.
- the valve 42 can be operated to release pressure from within the body 6 created through the movement of first piston 26 and second piston 28.
- the valve 42 can be a check valve, or a check valve with a spring applying an additional force, such as part PRRA 2812080L from the Lee Company of Westbrook, Connecticut.
- valve 42 can be disposed between the body 6 and the tubing 15. This provides an advantage of reducing the time and costs associated with maintenance of valve 42.
- a choke 44 is depicted disposed in the body 6 between the first piston 26 and the second piston 28.
- the choke 44 in one embodiment is a choke, such as the Visco JetTM choke available also from the Lee Company as part number VHCA 1845112H.
- the choke 44 could also be pneumatic, or a combination of hydraulic and pneumatic chokes connected in series, wherein the chokes are connected to their respective fluid sources for supplying fluid.
- fluid can be supplied from one fluid source to the first piston 26 and the second piston 28 as the pistons move.
- Figure 1 also depicts a first relocating device 46a disposed on the first shaft 27a for returning the first piston 26 from its secondary position to its original position.
- a second relocating device 46b is depicted disposed on the second shaft 27b for returning the second piston 26 from its secondary position to its original position.
- the first relocating device 46a and the second relocating device 46b are depicted as springs, and can be coiled springs, wave springs, such as spring part number
- a fluid source 30 is in fluid communication with the first piston 26 and the second piston 28.
- a filter 3 is disposed between the fluid source and the first piston.
- Figure 2 depicts a cross sectional view of an embodiment of a top section of the present single line single line sleeve downhole tool assembly.
- a top sub 2 which can be made of carbon steel, or a nickel alloy, and can be made by PetroQuip Energy Services Company of Houston Texas, is depicted engaging the top connector 4.
- a first seal assembly 18 is depicted providing a sealing engagement between the sleeve 14 and the top connector 4.
- the first seal assembly 18 can be any non elastomeric material.
- Figure 3 depicts a cross sectional view of an embodiment of a mid-lower section of a single line single line sleeve downhole tool assembly.
- a middle connector 5 is between the body 6 and a port housing 10.
- the middle connector 5 can be made from steel or a nickel alloy.
- the port housing 10 can also be made from steel or nickel alloy, such as the port housing available from
- Petroquip Energy Services Company can be a tubular member having a length ranging from 12 inches to 24 inches.
- the port housing 10 engages a lower connector 8.
- the lower connector 8 is a tubular member with a threaded engagement on each end.
- the lower connector 8 does not have an inner shoulder.
- the overall length of the lower connector 8 can range from 6 inches to 2 feet and can have an inner diameter range from 2.25 inches to 5.75 inches.
- the lower connector can be made from a carbon steel or a nickel alloy.
- An annulus port 17 is disposed within the port housing 10.
- the annulus port 17 can have an outer diameter ranging from 3 inches to 7 inches, and an inner diameter ranging from 2.25 inches to 5.75 inches.
- the annulus port 17 flows fluid, such as hydrocarbons or similar wellbore fluids from the annulus 7 to the production port 16, then to the tubing 15 and to the production line.
- fluid such as hydrocarbons or similar wellbore fluids
- Figure 3 depicts a second seal assembly 20, which provides a sealing engagement between a middle connector 5 and the sleeve 14.
- a third seal assembly 22 is depicted for providing a sealing engagement between the port housing 10 and the sleeve 14.
- the second seal assembly 20 and the third seal assembly 22 can be substantially similar to the first seal assembly 18, depicted in Figure 2, and can be best understood with reference to Figure 8.
- the second seal assembly 20 and the third seal assembly 22 can be different types of seals.
- a second seal assembly can be made from TeflonTM, available from DuPont of Wilmington, Delaware, and a third seal assembly can be made from PEEKTM (polyester ester ketone), also made by DuPont.
- the second seal assembly can be made from a blend of a 95% PEEK and 5% Viton TM from DuPont.
- the lower logic drum 23b is depicted in an operative position, secured to the sleeve 14 with a second fastener 34.
- the first fastener 32, depicted in Figure 1, and the second fastener 34, shown in Figure 3, work in concert to connect the upper logic drum 23a and the lower logic 23b to the sleeve 14.
- the first fastener 32 and the second fastener 34 can be a snap ring that captures the upper and lower logic drums 23a and 23b relative to the sleeve 14.
- the fasteners can be snap rings from Smalley, shear pins, shear screws, locking dogs, or combinations thereof.
- FIG. 4 a cross sectional view of an embodiment of a bottom section of a single fluid line sliding sleeve downhole tool assembly is depicted.
- the sleeve 14 is depicted in an operative arrangement with a production port 16 for axially moving with respect to lower connector 8.
- the lower connector 8 is shown engaging a bottom sub 12.
- Production port 16 allows a flow area equal or greater than the flow area of the tubing 15.
- the production port 51 which can have a diameter ranging from .025 inches to 3 inches is depicted.
- the first piston 26 is depicted within the body 6 in its original position 11a.
- the first relocating device 46a is depicted extended.
- the second piston 28 is further depicted in its original position l ib with second relocating device 46b extended.
- Figure 5b depicts the first piston 26 after the first piston 26 has moved axially within the body 6, achieving its secondary position 9a.
- the first relocation device 46a is depicted compressed.
- the second piston 28 is further depicted its secondary position 9b, with second relocating device 46b compressed.
- FIG. 6 An embodiment of the upper logic drum 23 a is depicted in a unfolded view in Figure 6 and an isometric view in Figure 7.
- the upper logic drum 23 a can have an overall diameter 66 ranging from 2.8 inches to 5.5 inches.
- the upper logic drum 23a can have a wall thickness 68 ranging from 0.125 inches to 0.5 inches.
- the upper logic drum 23a has at least two positioning slots.
- a plurality of positioning slots 64, 65, 70, 72, 74 are disposed within the wall of the upper logic drum 23a.
- the positioning slots 64, 65, 70, 72, 74 can range from 25% to 75% of the length of the upper logic drum 23a.
- the upper logic drum 23a can have a length ranging from 8 inches to 60 inches.
- the positioning slots 64, 65, 70, 72, 74 can have a J shape.
- the positioning slots can have a landing slot 75 and a rotation slot 77.
- the positioning slots 64, 65, 70, 72, 74 engage the pins within the landing slots 75 and remove torque.
- the positioning slots 64, 65, 70, 72, 74 can vary in length. The pins engage these slots for positioning the sleeve 14.
- the system seal assembly 18 comprises an equalizing seal means 276, wherein the equalizing seal means 276 can be constructed of filled PEEK, which is commercially available from Green Tweed under the name ArlonTM.
- the PEEK has a tensile strength greater than 25,000 psi at 70 degrees F, and 13,000 psi at 350 degrees F.
- All seal means of the seal assembly 18 may be constructed of any equivalent type of material, such as Teflon, made by the DuPont Corporation.
- the header seal means 282 can be constructed of filled PEEK.
- the header seal means 282 has a first end 284 and a second angled end 286.
- a non-extrusion ring 288 is included, which can be constructed of filled PEEK.
- the non-extrusion ring 288 comprises a concave shape and can prevent the extrusion and bulging of the ring members on either side.
- the seal assembly 18 can further comprise a first seal ring means 290.
- the seal ring means 290 can constructed of filled PEEK.
- a second non-extrusion ring 292 can be provided, which in turn leads to a second seal ring means 294.
- a third non-extrusion ring 296 is also shown, which leads to a third seal ring means 298.
- the seal assembly 18 can also include a follower seal ring 1100, which can be constructed of filled PEEK.
- the follower seal ring 1100 has a first and second curved surface.
- a fourth seal ring means 1102 can be included wherein one end abuts the follower seal ring 1100 and the other end abuts a non-extrusion ring
- a fifth seal ring means 1106 is provided that will in turn abut the non-extrusion ring 1108.
- the non-extrusion ring 1108 will then abut the sixth seal ring means 1110 that in turn will abut the non-extrusion ring 1112.
- the non-extrusion ring 1112 will abut the header seal ring 1114.
- the header seal ring 1114 will have an angled end abutting the back side of the non-extrusion ring 1108, and a second radially flat end that will abut the radial end 220.
- Sleeve 14 is depicted having a production port 16.
- Body 6 is depicted having annulus port 17, second seal assembly 20, and third seal assembly 22.
- Figure 9A depicts production port 16 disposed beneath third seal assembly 22, misaligned from annulus port 17, thereby preventing fluid from flowing through production port 16.
- Figure 9B depicts a cross sectional view of the single fluid line sliding sleeve downhole tool assembly depicted in Figure 7a after sleeve 14 has moved axially into an open position.
- Production port 16 of sleeve 14 is depicted in alignment with annulus port 17 of body 6, allowing fluid to flow through the aligned ports.
- Figure 10 is a schematic of the system 149.
- the system is depicted having a control line 150 connected to a power source 152.
- a first group 100 is disposed between an upper packer 158 and a middle packer 159a.
- the group 100 can be a plurality of single sleeve downhole tool assembles connected in series are in parallel, the single sleeve downhole tool assembly is depicted in more detail in Figures 1-9.
- the group 100 is disposed between an upper packer 158 and a middle packer 159a.
- a second group 200 which is similar to the first group, is disposed below the first group between the middle packer 159a and a second middle packer 159b.
- a third group 300 is disposed between the second middle packer 159b and the lower sealing means 160.
- a first system seal assembly 166 is disposed between the upper packer 158 and the top of the well 29.
- a second seal assembly 167 is disposed between the lower packer and the bottom of the well 31.
- a third system seal assembly 168a and a fourth system seal assembly 168b is disposed between each middle packers 159a and 159b, and the first group 100 and the second group 200.
- a control system 154 is used to simultaneously operate each of the groups 100, 200, and 300.
- the control system 154 can be an automated control system, such as the one sold by WellDynamics Inc, located in Spring Texas, EP-solutions located in Kingwood, TX; a mechanical control system, or a substantial similar control system.
- a safety valve 156 can be disposed between the tool assembly and the top of the well. The safety valve 156 can be purchased from Weatherford or Schlumberger.
- a tubing hanger 163 is disposed between the top of the well and the tubing 15.
- a inner tubing string 162, such as one available from Grant Prideco, is connected to the tubing 15, and located between the upper packer 158 and the lower sealing means 160.
- a first zone is between the upper packer 158 and packer 159 a, the second zone is between the between 159a and 159b.
- a third zone is between the packer 159b and the lower sealing means 160.
- the entire system is stored within a casing 165.
- the lower sealing means 160 can be a lower packer or a plug.
- a first reservoir filter 164a, a second reservoir filter 164b, and a third reservoir filter 164c are disposed between the inner tubing string 162 and the lower sealing means and between each zone.
- the lower reservoir filter can be a well screen available form Houston screens, located in Houston Texas.
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/742,343 US7422065B1 (en) | 2007-04-30 | 2007-04-30 | System for controlling zones of fluid in and out of a wellbore |
US11/742,318 US7392839B1 (en) | 2007-04-30 | 2007-04-30 | Single line sliding sleeve downhole tool assembly |
PCT/US2008/061966 WO2008134700A2 (en) | 2007-04-30 | 2008-04-30 | Single line sliding sleeve downhole tool assembly |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2142754A2 true EP2142754A2 (en) | 2010-01-13 |
EP2142754A4 EP2142754A4 (en) | 2016-04-06 |
Family
ID=41382240
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08747145.4A Withdrawn EP2142754A4 (en) | 2007-04-30 | 2008-04-30 | Single line sliding sleeve downhole tool assembly |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP2142754A4 (en) |
AU (1) | AU2008245468A1 (en) |
BR (1) | BRPI0810887A2 (en) |
MX (1) | MX2009011758A (en) |
WO (1) | WO2008134700A2 (en) |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4403659A (en) * | 1981-04-13 | 1983-09-13 | Schlumberger Technology Corporation | Pressure controlled reversing valve |
US4570724A (en) * | 1984-08-23 | 1986-02-18 | Gray Tool Company | Stepwise rotary actuator |
US4650001A (en) * | 1985-11-12 | 1987-03-17 | Halliburton Company | Assembly for reducing the force applied to a slot and lug guide |
US5529126A (en) * | 1990-10-03 | 1996-06-25 | Expro North Sea Limited | Valve control apparatus |
US7201232B2 (en) * | 1998-08-21 | 2007-04-10 | Bj Services Company | Washpipeless isolation strings and methods for isolation with object holding service tool |
US6523613B2 (en) * | 2000-10-20 | 2003-02-25 | Schlumberger Technology Corp. | Hydraulically actuated valve |
US6948561B2 (en) * | 2002-07-12 | 2005-09-27 | Baker Hughes Incorporated | Indexing apparatus |
US7191843B2 (en) * | 2004-06-24 | 2007-03-20 | Petroquip Energy Services, Inc. | Valve apparatus with seal assembly |
-
2008
- 2008-04-30 AU AU2008245468A patent/AU2008245468A1/en not_active Abandoned
- 2008-04-30 EP EP08747145.4A patent/EP2142754A4/en not_active Withdrawn
- 2008-04-30 MX MX2009011758A patent/MX2009011758A/en not_active Application Discontinuation
- 2008-04-30 WO PCT/US2008/061966 patent/WO2008134700A2/en active Application Filing
- 2008-04-30 BR BRPI0810887-0A2A patent/BRPI0810887A2/en not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO2008134700A2 * |
Also Published As
Publication number | Publication date |
---|---|
EP2142754A4 (en) | 2016-04-06 |
BRPI0810887A2 (en) | 2014-10-29 |
MX2009011758A (en) | 2010-05-21 |
WO2008134700A2 (en) | 2008-11-06 |
AU2008245468A1 (en) | 2008-11-06 |
WO2008134700A3 (en) | 2009-02-05 |
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