CN103140648A - Drill pipe - Google Patents
Drill pipe Download PDFInfo
- Publication number
- CN103140648A CN103140648A CN2011800472577A CN201180047257A CN103140648A CN 103140648 A CN103140648 A CN 103140648A CN 2011800472577 A CN2011800472577 A CN 2011800472577A CN 201180047257 A CN201180047257 A CN 201180047257A CN 103140648 A CN103140648 A CN 103140648A
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- China
- Prior art keywords
- bloating plant
- annular
- opening
- potted component
- tubular structure
- 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.)
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 206010000060 Abdominal distension Diseases 0.000 claims description 81
- 208000024330 bloating Diseases 0.000 claims description 81
- 238000005553 drilling Methods 0.000 claims description 15
- 239000012530 fluid Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 11
- 230000003014 reinforcing effect Effects 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 6
- 239000013013 elastic material Substances 0.000 claims description 3
- 230000004888 barrier function Effects 0.000 abstract 2
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 7
- 239000003921 oil Substances 0.000 description 7
- 238000004140 cleaning Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000010779 crude oil Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- JHJNPOSPVGRIAN-SFHVURJKSA-N n-[3-[(1s)-1-[[6-(3,4-dimethoxyphenyl)pyrazin-2-yl]amino]ethyl]phenyl]-5-methylpyridine-3-carboxamide Chemical compound C1=C(OC)C(OC)=CC=C1C1=CN=CC(N[C@@H](C)C=2C=C(NC(=O)C=3C=C(C)C=NC=3)C=CC=2)=N1 JHJNPOSPVGRIAN-SFHVURJKSA-N 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000011499 joint compound Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000012858 resilient material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
Classifications
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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
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
- E21B23/06—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for setting packers
-
- 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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/12—Packers; Plugs
- E21B33/1208—Packers; Plugs characterised by the construction of the sealing or packing means
-
- 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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/12—Packers; Plugs
- E21B33/127—Packers; Plugs with inflatable sleeve
-
- 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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/12—Packers; Plugs
- E21B33/128—Packers; Plugs with a member expanded radially by axial pressure
-
- 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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/12—Packers; Plugs
- E21B33/128—Packers; Plugs with a member expanded radially by axial pressure
- E21B33/1285—Packers; Plugs with a member expanded radially by axial pressure by fluid pressure
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/02—Subsoil filtering
- E21B43/10—Setting of casings, screens, liners or the like in wells
- E21B43/103—Setting of casings, screens, liners or the like in wells of expandable casings, screens, liners, or the like
Landscapes
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
- Earth Drilling (AREA)
- Pipe Accessories (AREA)
- Gasket Seals (AREA)
Abstract
The present invention relates to an expansion device to be inserted in a casing or well tubular structure for expanding an annular barrier downhole. The annular barrier comprises a tubular structure for mounting as part of the well tubular structure, an expandable sleeve surrounding the tubular structure, and a connection part connecting the expandable sleeve with the tubular structure. The tubular structure has an opening and two projecting elements decreasing an inner diameter of the tubular structure. The expansion device comprises a tubular part extending between a first and a second end part, the tubular part comprising at least one opening arranged between the first and the second end; an inner face surrounding an inner space; and an outer face.; Furthermore, the expansion device comprises at least a first and second sealing element sealingly connected to the outer face at the first and second end parts of the tubular part.
Description
Technical field
The present invention relates to a kind of bloating plant, in this bloating plant sleeve pipe to be inserted into or well casing shape structure to be used for annular obstruction exists under expansion trunk.This annular obstruction exists comprises for the tubular structure of installing as the part of well casing shape structure, the inflatable sleeve that surrounds tubular structure and the link that inflatable sleeve is connected to tubular structure.In addition, the invention still further relates to the drilling rod and the coil pipe that all comprise bloating plant, also relate to a kind of method of the annular obstruction exists that is positioned at the down-hole casing outside for expansion and a kind of for bloating plant being inserted into the method for down-hole casing.
Background technology
In pit shaft, annular obstruction exists is used for different purposes, between inner tube structure and outer tube structure or between the inwall of inner tube structure and well, mobile obstacle is being set such as being used for.Annular obstruction exists is installed as the part of well casing shape structure.Annular obstruction exists has the inwall that is surrounded by annular inflatable sleeve.Inflatable sleeve is typically made by elastomeric material, but also can be made of metal.This sleeve is fastened to the inwall of annular obstruction exists in its end.
For between sealed inner tube structure and outer tube structure or the zone between well casing shape structure and well, use the second annular obstruction exists.The first annular obstruction exists expands in a side in zone to be sealed, and the second annular obstruction exists expands at this regional opposite side, and in this way, this zone is sealed.
Carry out the expansion of annular obstruction exists by means of bloating plant, wherein this bloating plant is for the pressurization of the space outside annular obstruction exists to be expanded.Yet the design of known bloating plant is often very complicated, and this can make and be difficult to use these bloating plants.
Therefore be desirable to provide a solution, in this solution, but the bloating plant that is used for the expansion annular obstruction exists has simple design reliably.
Summary of the invention
The objective of the invention is fully or partly to overcome above-mentioned shortcoming of the prior art and defective.More specifically, an object of the present invention is to provide improved bloating plant for the annular obstruction exists outside the expansion trunk setting of casing.
from the following description with the above-mentioned purpose that becomes apparent, and multiple other purposes, advantage and feature will be by solutions according to the present invention, realize by the bloating plant that is used for annular obstruction exists under expansion trunk that is inserted in sleeve pipe or well casing shape structure, described annular obstruction exists comprises the tubular structure of installing for as the part of described well casing shape structure, surround the inflatable sleeve of described tubular structure and the link that described inflatable sleeve is connected with described tubular structure, two outstanding elements that described tubular structure has opening and makes the internal diameter of described tubular structure reduce, described bloating plant comprises:
-tubular part, it extends between first end and the second end, and described tubular part comprises:
-at least one opening, it is arranged between described first end and described the second end,
-inner surface, it surrounds an inner space, and
-external surface,
The-at least the first potted component and the second potted component, both are connected to the external surface of described tubular part hermetically,
Wherein, each potted component with two outstanding elements between the corresponding distance of distance arrange spacedly, to be connected hermetically with described outstanding element, form thus a space outerpace between them.
In one embodiment, described tubular part can be cleaning hose (wash down).
In addition, the present invention relates to a kind of bloating plant that is used for annular obstruction exists under expansion trunk that is inserted in sleeve pipe or well casing shape structure, described annular obstruction exists comprises for the tubular structure of installing as the part of described well casing shape structure, the inflatable sleeve that surrounds described tubular structure and the link that described inflatable sleeve is connected with described tubular structure, described tubular structure has opening, and described bloating plant comprises:
-tubular part, it extends between first end and the second end, and described tubular part comprises:
-at least one opening, it is arranged between described first end and described the second end,
-inner surface, it surrounds an inner space, and
-external surface,
The-at least the first potted component and the second potted component, both are connected to the external surface of described tubular part hermetically at opposite side, and with described tubular structure in the opening distance of being separated by,
Wherein, each potted component has an annular element and partly to the outstanding annular flange flange of described opening, the described annular flange flange of described the first potted component is outstanding to described opening, the described annular flange flange of described the second potted component is outstanding to described opening, and the external surface of described the first potted component and described the second potted component, described tubular part and the inner surface of described tubular structure are all around a space outerpace.
Described bloating plant also can comprise having the slidably slidably sleeve of sleeve openings, described slidably sleeve is connected from the make position to the open position on the outer surface slidably with described tubular part, in described open position, the register in described slidably sleeve openings and described tubular structure.
In addition, by means of the ball in the aperture in the described slidably sleeve of closure, described slidably sleeve can be moved to described open position from described make position.
In one embodiment of the invention, described annular flange flange can be outstanding from described annular element with an angle, and described angle is less than 60 °, preferably less than 45 °.
In another embodiment, described potted component can have V-arrangement, U-shaped, L shaped, M shape or S shape shape of cross section or similar shape of cross section.
In addition, described potted component can be the ring-type cup seal.
In addition, several potted components can be arranged on first end and second end of described tubular part.
In addition, described potted component can arrange in the mode that has preset distance between them.
In addition, annular flange flange can be made by the flexible/elastic material at least.In addition, described annular flange flange can have intrinsic elasticity/resilience.
In addition, described material can be elastic body.
In addition, described at least annular flange flange can comprise reinforcing element.
Described reinforcing element can be grid or the mesh that is embedded in described flexible material.
In addition, the flexible/elastic material can comprise the SMA metal.
Described bloating plant can also comprise holding device, and this holding device is used for described annular flange flange is remained towards described annular element to reduce the external diameter of described annular flange flange.
In addition, described holding device can be spring assembly, elastic tape and the line that can rupture suddenly or similar item.
In one embodiment, described tubular part can comprise some openings.
In addition, at least at one end section is sealed for described tubular part.
In addition, a described end of described tubular part can be sealed by the ball-shaped closure part.
In addition, described inner space is applicable to pressurized.
Described bloating plant also can comprise supercharging device and be used for adding the heater of hot fluid.
In addition, can make the supercharging of described inner space by the pressure that increases in fluid or gas.
The invention still further relates to a kind of downhole system, described downhole system comprises above-mentioned bloating plant and driver element, such as downhole tractor.
In addition, the present invention relates to a kind of drilling rod, described drilling rod comprises bloating plant as above.
In addition, the present invention relates to a kind of coil pipe, described coil pipe comprises bloating plant as above.
In addition, the present invention relates to a kind of method that is positioned at the annular obstruction exists in the down-hole casing outside for expansion, described method comprises following step:
-bloating plant as above is positioned to face opening in described sleeve pipe, wherein said annular obstruction exists is positioned to face the opening in described sleeve pipe,
-to inner space (8) pressurization of described bloating plant, pressure presses to the first and second potted components the inner surface of the wall of described sleeve pipe via opening (6) thus, forms thus the space outerpace of a supercharging, and
-make the inner space supercharging of described annular obstruction exists and the described annular obstruction exists that expands via the opening in described sleeve pipe.
In one embodiment, before supercharging and/or during supercharging, the inner space of described bloating plant at one end section place is sealed.
In addition, described bloating plant at one end section sealed by the ball-shaped closure part.
At last, the present invention relates to a kind ofly for bloating plant as above being inserted into the method for down-hole casing, described method comprises following step:
-by push the annular flange flange of the potted component of described bloating plant to annular element, reduce the external diameter of described annular flange flange,
-by means of holding device, described annular flange flange is remained under the state that diameter reduces,
-described bloating plant is inserted in described sleeve pipe,
-described bloating plant is moved to the position relative with opening in described sleeve pipe, wherein said annular obstruction exists is positioned to face the opening in described sleeve pipe, and
-discharge described holding device so that described annular flange flange keeps its original diameter, make thus described bloating plant prepare to expand.
In one embodiment, can discharge described holding device during the inner space supercharging that makes described bloating plant.
In addition, after described annular obstruction exists expands and shift out the step of described bloating plant from described sleeve pipe before, can reduce the external diameter of described annular flange flange.
At last, reduce described external diameter in the time of can be pressurized in the inner space of described bloating plant.
Description of drawings
Below with reference to schematic figures, the present invention and lot of advantages of the present invention are described in detail, the purpose that described accompanying drawing is in signal only shows some nonrestrictive embodiment, in accompanying drawing:
Fig. 1 shows the bloating plant that is inserted in down-hole casing,
Fig. 2 shows the bloating plant of Fig. 1, and it has the end of a closure,
Fig. 3 shows the bloating plant of annular obstruction exists Fig. 1 between the phase of expansion,
Fig. 4 shows another embodiment of bloating plant,
Fig. 5 shows the another embodiment of bloating plant,
Fig. 6 shows potted component,
Fig. 7 shows another embodiment of potted component,
Fig. 8 A and 8B show the potted component with reinforcing element,
Fig. 9 A and 9B show the another embodiment of potted component,
Figure 10 A and 10B show the another embodiment of bloating plant, and,
Figure 11 shows the partial cross section view of bloating plant.
All accompanying drawings are all highly signals, might not draw in proportion, and they only show in order to explain a part essential to the invention, and other parts have been omitted or have only hinted.
The specific embodiment
Fig. 1 show be inserted in down-hole casing 2 and before expansion annular obstruction exists 15 bloating plant 1 relative with annular obstruction exists 15.Annular obstruction exists comprises the tubular structure 2a that installs for as the part of well casing shape structure, also referred to as sleeve pipe.The link 23 that annular obstruction exists has the inflatable sleeve 17 that surrounds above-mentioned tubular structure and this inflatable sleeve and tubular structure are linked together.Tubular structure has opening 16, and this opening is used for to annular obstruction exists pressurization and the inflatable sleeve that therefore expands.
Bloating plant 1 comprises tubular part 3, and this tubular part 3 has inner surface 7 and 9, two potted components 10 of external surface, 11 of surrounding inner space 8 and is fixed in hermetically on external surface 9.Tubular part 3 has opening 6, and opening 6 is arranged to relative with opening 16 in annular obstruction exists 15.Opening 6 also can be arranged to and opening 16 dislocation, but so that opening 6 and opening 16 keep the mode of fluid communication with each other.The first potted component 10 in two potted components is arranged on first end 4 places of tubular part 3, and the second potted component 11 is arranged on the second end 5 places of tubular part 3, has distance thereby make between these two potted components.Each potted component 10,11 has respectively annular element 12 and annular flange flange 13.Annular flange flange 13 is 16 outstanding from annular element 12 to opening.Therefore, the external surface 9 of the first potted component 10 and the second potted component 11, tubular part 3 and the inner surface 7 of sleeve pipe 2 are all around a space outerpace 14, and wherein this space outerpace 14 is pressurized with expansion annular obstruction exists 15.
Bloating plant 1 also comprises the closure member 20 of the form of the ball that coordinates with ball seat.Ball 20 flows along with the charging fluid in the inner space 8 of tubular part 3, when this spheroid touches ball seat, as shown in Figure 2, tubular part 3 closures.
Thereby bloating plant 1 26 is connected to a part that makes tubular part 3 form drilling rods 25 on common drilling rod 25 or coil pipe by means of being threaded.
Can find out from Fig. 1 to Fig. 3, potted component 10,11 annular flange flange 13 are inwardly outstanding towards opening 16, and when an end of the closed drilling rod 25 of ball 20, the pressure in inner space 8 increases, and so space outerpace 14 in pressure also increase.Therefore, this pressure is pushed flange 13 to the inner surface 7 of sleeve pipe 2, and flange 13 is resisted against on this inner surface 7 sealing, and this makes externally that the pressure of 14 inside, space also increases.In addition, charging fluid further flows in the inner space 8 of annular obstruction exists 15, and pressure increases until the inflatable sleeve 17 of annular obstruction exists expands, as shown in Figure 3.
In Fig. 4, the tubular part 3 of bloating plant 1 is at one end closed, and does not need to utilize extra closure member 20 to bloating plant 1 pressurization.With this, bloating plant 1 is the end piece of drilling rod 25.
The bloating plant 1 of Fig. 5 comprises that first potted component 10 at two first end 4 places that are in tubular part 3 and two are in second potted component 11 at the second end 5 places of tubular part.For security consideration, by all comprise two potted components 10,11 at each end, form double combination obstacle.
Bloating plant 1 also can be connected to driver element, such as downhole tractor, rather than is connected to drilling rod 25.
In Fig. 7, potted component 10,11 has the cross sectional shape such as V-arrangement, thereby when observing with cross sectional view, outstanding flange 13 and annular element 12 form V-arrangement together.In another embodiment, potted component 10,11 can have U-shaped, L shaped, M shape or S shape shape of cross section.
As shown in Fig. 8 A and 8B, potted component 10,11 also can comprise reinforcing element 18.Reinforcing element 18 forms the disc spring of being made by marmem (SMA), thus as shown in Fig. 8 B, when spring is heated, its diameter expansion.This heat can be by supplying with along the downward injection heating fluid of drilling rod 25.
In Fig. 9 A and Fig. 9 B, reinforcing element 18 is configured as pointing shape.This finger has spring force, and when taking off holding device 19, this spring force discharges.Holding device 19 keeps the diameter that reduces of potted components 10,11 flange 13, as shown in Fig. 9 A, until spring force discharges.
In Fig. 8 A-9B, reinforcing element 18 is embedded in potted component 10,11, but in another embodiment, reinforcing element can be arranged on the outside of flange 13.Reinforcing element 18 can be grid, mesh, finger or the arm shape spare that is embedded in flexible material or is arranged on potted component 10,11 outsides.
Holding device 19 can have suitable design arbitrarily, and in these designs has been shown in Figure 10 A and Figure 10 B.Holding device 19 is connected with the ball seat of closure member 20, and when ball flowed and touches this ball seat, this ball seat moved until axial groove 21 stops this ball seat to be moved further.Therefore this moves axially and makes holding device 19 move axially, and holding device moves away and be disengaged with potted component 10,11 flange 13.When holding device 19 moved apart flange 13, flange was outwards outstanding due to the resilience spring force.
Holding device 19 also can have arbitrarily suitable design, and as shown in Fig. 9 A, when pressure forces flange 13 when the inner surface 7 of sleeve pipe 2 is outstanding, this holding device 19 may break.Holding device 19 can be also the elastic tape that tumbles along the inclined surface of the dorsal part of flange 13 when exerting pressure to force flange outside from the front side of flange 13.Holding device 19 can be also the line that ruptures suddenly when pressure forces flange 13 outwards.
In Figure 11, be inserted in sleeve pipe 2 and coordinate with annular obstruction exists 15 with the bloating plant 1 that is used for the annular obstruction exists 15 under expansion trunk, providing two to be tightly connected between bloating plant 1 and annular obstruction exists 15, so that the pressure of bloating plant inside increases, the pressure of the interior volume between the tubular structure 2a of the pressure increase of the annular space inside of encompasses inflation equipment and inflatable sleeve and annular obstruction exists increases.Annular obstruction exists 15 comprises the tubular structure of installing for as the part of oil well tubular structure 2.Inflatable sleeve 17 surrounds above-mentioned tubular structure, and link 23 makes inflatable sleeve be connected with above-mentioned tubular structure.Therefore this tubular structure has opening 16 and two outstanding elements 22, and wherein these outstanding elements 22 make the internal diameter of tubular structure reduce and reduce to be arranged in the thickness of tubular structure of two positions of opposite side of the opening of tubular part 3.The tubular part 3 of bloating plant 1 extends between first end parts 4 and the second end spare 5, and at least the first potted component 10 and the second potted component 11 are connected to the external surface 9 of tubular part 3 hermetically.Each potted component 10,11 with two outstanding elements 22 between the corresponding distance of distance arrange at each interval, thereby be connected hermetically with outstanding element 22.With this, the outstanding element 22 of the potted component 10 of bloating plant 1,11 sealed tubular parts 3, and therefore form a space outerpace 14 between them.
Bloating plant 1 comprises the sliding sleeve 34 with inner seat, and wherein this ball 20 of ball 20(drops in tubular part 3 in the fluid that flows) occupy on this inner seat the aperture with the inner seat place of closed sliding sleeve.When ball 20 closed during sliding sleeve 34, the pressure in inner space 8 increases until the pressure that is applied on ball is large enough to sleeve is moved to open position from make position.In the open position of this sleeve, the opening of sliding sleeve 34 and the register in tubular structure, and pressure continues to increase with expansion inflatable sleeve 17.
In this embodiment, tubular part 3 is cleaning hose, drilling rod or other pipe fitting.The tubular part 3 of bloating plant 1 is connected with cleaning hose, drilling rod etc. and as its part, and then drops in well.
Bloating plant 1 also can comprise the lip-deep supercharging equipment that is positioned at drilling platform or drill ship, such as pump.
Fluid or well fluids refer to the oil well of be present in down-hole of any type or the fluid in gas well, such as natural gas, oil, oil-base mud, crude oil, water etc.Gas refers to the gas componant that exists of any type in well 3, completion or open hole, oil refers to the oil component of any type, such as crude oil, contain flow of oil etc.Therefore gas, oil and aqueous fluid respectively all can comprise other elements or the material except gas, oil and/or water.
Sleeve pipe refers to pipeline, pipe, tubular body, liner, cylinder of any type relevant with oil or gas production that is used in the down-hole etc.
The sleeve pipe in the situation that instrument does not all submerge, downhole tractor is used in well instrument is pushed into the tram.Downhole tractor is the driven tool of can advancing in the well of down-hole of any type or tractive instrument, such as Well
Although below describe the present invention in conjunction with the preferred embodiments of the present invention, for a person skilled in the art, obviously can expect multiple modification not breaking away from the situation of the present invention that is limited by following claim.
Claims (18)
1. bloating plant (1) that is used for annular obstruction exists (15) under expansion trunk that is inserted in sleeve pipe or well casing shape structure (2), described annular obstruction exists comprises for the tubular structure (2a) of installing as the part of described well casing shape structure, surrounds the inflatable sleeve (17) of described tubular structure and the link (23) that described inflatable sleeve and described tubular structure are coupled together, two outstanding elements (22) that described tubular structure has opening and makes the internal diameter of described tubular structure reduce, described bloating plant comprises:
-tubular part (3), it extends between first end (4) and the second end (5), and described tubular part comprises:
-at least one opening (6), it is arranged between described first end and described the second end,
-inner surface (7), it surrounds an inner space (8), and
-external surface (9),
The-at least the first potted component (10) and the second potted component (11), both are connected to the external surface of described tubular part hermetically,
Wherein, each potted component with two outstanding elements between the corresponding distance of distance arrange spacedly, to be connected hermetically with described outstanding element, form thus a space outerpace (14) between them.
2. bloating plant (1) that is used for annular obstruction exists (15) under expansion trunk that is inserted in sleeve pipe or well casing shape structure (2), described annular obstruction exists comprises for the tubular structure of installing as the part of described well casing shape structure, surrounds the inflatable sleeve (17) of described tubular structure and the link (23) that described inflatable sleeve and described tubular structure are coupled together, described tubular structure has opening, and described bloating plant comprises:
-tubular part (3), it extends between first end (4) and the second end (5), and described tubular part comprises:
-at least one opening (6), it is arranged between described first end and described the second end,
-inner surface (7), it surrounds an inner space (8), and
-external surface (9),
The-at least the first potted component (10) and the second potted component (11), both relative both sides sealing be connected to the external surface of described tubular part, and with described tubular structure in the opening distance of being separated by,
Wherein, each potted component has an annular element (12) and partly to the outstanding annular flange flange (13) of described opening, the described annular flange flange of described the first potted component is outstanding to described opening, the described annular flange flange of described the second potted component is outstanding to described opening, and the external surface (9) of described the first potted component (10) and described the second potted component (11), described tubular part (3) and the inner surface (24) of described tubular structure are all around a space outerpace (14).
3. bloating plant according to claim 1 and 2, also comprise: have the slidably slidably sleeve (34) of sleeve openings, described slidably sleeve is connected from the make position to the open position on the outer surface slidably with described tubular part, in described open position, described slidably sleeve openings is alignd with described tubular opening.
4. bloating plant according to claim 3, is characterized in that, by means of the ball (20) in the aperture in the described slidably sleeve of closure, described slidably sleeve is moved to described open position from described make position.
5. the described bloating plant of any one according to claim 2 to 4, is characterized in that, described annular flange flange is outstanding from described annular element with an angle (α), and described angle (α) is less than 60 °, preferably less than 45 °.
6. the described bloating plant of any one according to claim 2 to 5, is characterized in that, described potted component has V-arrangement, U-shaped, L shaped, M shape or S shape shape of cross section or similar shape of cross section.
7. the described bloating plant of any one according to claim 2 to 6, is characterized in that, described at least annular flange flange is made by the flexible/elastic material.
8. bloating plant according to claim 7, is characterized in that, described material is elastic body.
9. the described bloating plant of any one according to claim 2 to 8, is characterized in that, described at least annular flange flange comprises reinforcing element (18).
10. bloating plant according to claim 9, is characterized in that, described reinforcing element is grid or the mesh that is embedded in described flexible material.
11. the described bloating plant of any one according to claim 2 to 10 is characterized in that, an end of described tubular part is sealed by ball closure member (20).
12. the described bloating plant of any one according to claim 2 to 10 is characterized in that, makes the supercharging of described inner space by the pressure that increases in fluid or gas.
13. a downhole system, described downhole system comprise bloating plant described according to any one in aforementioned claim and driver element, such as downhole tractor.
14. a drilling rod, described drilling rod comprise the described bloating plant of any one according to claim 1 to 12.
15. a coil pipe, described coil pipe comprise the described bloating plant of any one according to claim 1 to 12.
16. a method that is positioned at the annular obstruction exists (15) outside down-hole casing for expanding, described method comprises following step:
Any one described bloating plant of-general according to claim 1 to 12 is positioned to face the opening in described sleeve pipe, and wherein said annular obstruction exists is positioned to face the opening in described sleeve pipe,
-to inner space (8) pressurization of described bloating plant, pressure presses to the first and second potted components via opening (6) inner surface (24) of the wall of described sleeve pipe thus, forms thus the space outerpace of a supercharging, and
-make the inner space supercharging of described annular obstruction exists and the described annular obstruction exists that expands via the opening in described sleeve pipe.
17. method according to claim 16 is characterized in that, before supercharging and/or during supercharging, the inner space of described bloating plant at one end section place is sealed.
18. one kind is used for the described bloating plant of any one of according to claim 1 to 12 is inserted into method in down-hole casing, described method comprises following step:
-by push the annular flange flange of the potted component of described bloating plant to annular element, reduce the external diameter of described annular flange flange,
-by means of holding device, described annular flange flange is remained under the state that diameter reduces,
-described bloating plant is inserted in described sleeve pipe,
-described bloating plant is moved to the position relative with opening in described sleeve pipe, wherein said annular obstruction exists is positioned to face the opening in described sleeve pipe, and
-discharge described holding device so that described annular flange flange keeps its original diameter, make thus described bloating plant prepare to expand.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP10183095.8A EP2436874B1 (en) | 2010-09-30 | 2010-09-30 | Drill pipe |
| EP10183095.8 | 2010-09-30 | ||
| PCT/EP2011/066975 WO2012041955A2 (en) | 2010-09-30 | 2011-09-29 | Drill pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103140648A true CN103140648A (en) | 2013-06-05 |
| CN103140648B CN103140648B (en) | 2017-02-08 |
Family
ID=43661978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180047257.7A Expired - Fee Related CN103140648B (en) | 2010-09-30 | 2011-09-29 | Drill pipe |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US20130180736A1 (en) |
| EP (1) | EP2436874B1 (en) |
| CN (1) | CN103140648B (en) |
| AU (1) | AU2011310500B2 (en) |
| BR (1) | BR112013007387A2 (en) |
| CA (1) | CA2812897A1 (en) |
| DK (1) | DK2436874T3 (en) |
| MX (1) | MX2013003301A (en) |
| MY (1) | MY166748A (en) |
| RU (1) | RU2583389C2 (en) |
| WO (1) | WO2012041955A2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111791457A (en) * | 2020-09-09 | 2020-10-20 | 东营鑫华莲石油机械有限公司 | External packer for casing |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2996247B1 (en) * | 2012-10-03 | 2015-03-13 | Saltel Ind | HYDRAULIC FRACTURING METHOD AND CORRESPONDING EQUIPMENT |
| US9000296B2 (en) | 2013-06-21 | 2015-04-07 | Baker Hughes Incorporated | Electronics frame with shape memory seal elements |
| AU2014339969B2 (en) * | 2013-10-25 | 2017-05-25 | Weatherford Technology Holdings, Llc | Re-fracture apparatus and method for wellbore |
| US9650859B2 (en) | 2015-06-11 | 2017-05-16 | Saudi Arabian Oil Company | Sealing a portion of a wellbore |
| US10563475B2 (en) * | 2015-06-11 | 2020-02-18 | Saudi Arabian Oil Company | Sealing a portion of a wellbore |
| US10584553B2 (en) * | 2016-04-28 | 2020-03-10 | Innovex Downhole Solutions, Inc. | Integrally-bonded swell packer |
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2011
- 2011-09-29 RU RU2013118670/03A patent/RU2583389C2/en not_active IP Right Cessation
- 2011-09-29 BR BR112013007387A patent/BR112013007387A2/en not_active IP Right Cessation
- 2011-09-29 CN CN201180047257.7A patent/CN103140648B/en not_active Expired - Fee Related
- 2011-09-29 MX MX2013003301A patent/MX2013003301A/en active IP Right Grant
- 2011-09-29 WO PCT/EP2011/066975 patent/WO2012041955A2/en active Application Filing
- 2011-09-29 CA CA2812897A patent/CA2812897A1/en not_active Abandoned
- 2011-09-29 AU AU2011310500A patent/AU2011310500B2/en not_active Ceased
- 2011-09-29 MY MYPI2013001039A patent/MY166748A/en unknown
- 2011-09-29 US US13/876,037 patent/US20130180736A1/en not_active Abandoned
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| CN111791457A (en) * | 2020-09-09 | 2020-10-20 | 东营鑫华莲石油机械有限公司 | External packer for casing |
Also Published As
| Publication number | Publication date |
|---|---|
| BR112013007387A2 (en) | 2016-07-12 |
| EP2436874A1 (en) | 2012-04-04 |
| CN103140648B (en) | 2017-02-08 |
| AU2011310500A1 (en) | 2013-05-02 |
| RU2013118670A (en) | 2014-11-10 |
| US20130180736A1 (en) | 2013-07-18 |
| MY166748A (en) | 2018-07-20 |
| AU2011310500B2 (en) | 2015-09-03 |
| MX2013003301A (en) | 2013-04-29 |
| RU2583389C2 (en) | 2016-05-10 |
| DK2436874T3 (en) | 2013-10-07 |
| CA2812897A1 (en) | 2012-04-05 |
| WO2012041955A2 (en) | 2012-04-05 |
| EP2436874B1 (en) | 2013-07-31 |
| WO2012041955A3 (en) | 2012-06-07 |
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Legal Events
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170208 Termination date: 20170929 |