CN108457601A - Gas-lift production one plows completion tubular column and technique - Google Patents
Gas-lift production one plows completion tubular column and technique Download PDFInfo
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- CN108457601A CN108457601A CN201810313305.6A CN201810313305A CN108457601A CN 108457601 A CN108457601 A CN 108457601A CN 201810313305 A CN201810313305 A CN 201810313305A CN 108457601 A CN108457601 A CN 108457601A
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- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 29
- 238000007789 sealing Methods 0.000 claims abstract description 101
- 238000005086 pumping Methods 0.000 claims abstract description 16
- 230000008569 process Effects 0.000 claims abstract description 15
- 238000012360 testing method Methods 0.000 claims abstract description 9
- 238000012856 packing Methods 0.000 claims description 41
- 239000007788 liquid Substances 0.000 claims description 32
- 229910000831 Steel Inorganic materials 0.000 claims description 22
- 239000010959 steel Substances 0.000 claims description 22
- 230000006835 compression Effects 0.000 claims description 19
- 238000007906 compression Methods 0.000 claims description 19
- 239000012530 fluid Substances 0.000 claims description 17
- 239000000725 suspension Substances 0.000 claims description 13
- 230000000087 stabilizing effect Effects 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 9
- 125000006850 spacer group Chemical group 0.000 claims description 9
- 230000009471 action Effects 0.000 claims description 7
- 230000033228 biological regulation Effects 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 238000012790 confirmation Methods 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 210000005056 cell body Anatomy 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 3
- 230000006641 stabilisation Effects 0.000 claims description 3
- 238000011105 stabilization Methods 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims 1
- 238000000926 separation method Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 3
- 210000000664 rectum Anatomy 0.000 abstract description 2
- 238000011084 recovery Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 33
- 230000002159 abnormal effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000010779 crude oil Substances 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000002627 tracheal intubation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
-
- 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
- E21B33/129—Packers; Plugs with mechanical slips for hooking into the casing
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/06—Valve arrangements for boreholes or wells in wells
- E21B34/14—Valve arrangements for boreholes or wells in wells operated by movement of tools, e.g. sleeve valves operated by pistons or wire line tools
-
- 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
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
- E21B43/121—Lifting well fluids
- E21B43/122—Gas lift
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B2200/00—Special features related to earth drilling for obtaining oil, gas or water
- E21B2200/04—Ball valves
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses gas-lift productions one to plow completion tubular column and technique, and completion tubular column includes sequentially connected oil pipe, running tool, sealing device d, packer e, perforated pipe f and silk plug g from top to bottom；Well-completing process includes the following steps：（1）Lower tubular column；（2）Packer setting；（3）Testing seal about packer：Checking sealing of packer sets success；（4）Running tool is given up；（5）Destroy packer ball seat；（6）Gaslift produces；The technique is according to the present situation of oil field gaslift oil recovery technique, to overcome traditional gas-lift production technique to need tripping in tubing string twice, packer structure of giving up gives up there are low pressure and cannot successfully give up, packer is salvaged the problems such as difficult, and the one-trip string developed completes pipe string lower tubular column, packer setting, testing seal about packer, running tool and gives up, destroys packer ball seat, Lifting Technique.The technology has structure of giving up safe and reliable, can secondary pitching give up again, guarantee process of giving up successfully completes；Using " V " type packing_seal, sealing effect is good, is easy to tubing string activity；Stay well latus rectum big, can smoothly tripping in tester the features such as；Suitable for gas-lift production, gaslift water pumping gas production.
Description
Technical field
The present invention relates to oil production equipment technical field, a kind of especially gas-lift production one plows completion tubular column and technique.
Background technology
Gas-lift production principle is to generate fluid in the wellbore mixed by the high pressure gas that injects into well from ground and oil reservoir
It closes, so that the mixed liquor density in pit shaft is reduced using the expansion of gas, the crude oil being flowed into well is given rise to the one kind on ground
Oil production method.
In exploitation of oil-gas field, oil is heavier, and bigger pressure can be caused in upper the km even pit shaft of several kms,
Make the oil in stratum that can not flow to ground.If can pit shaft artificially be pressed into gas, become after so that the liquid in pit shaft is mixed gas
Gently, crude oil is then easy to be sprayed onto ground.
The gaslift of tradition needs tubing string completion, i.e. packer setting tubing string and gaslift operation tubing string twice.Tripping in insulates
Device sets tubing string, under in place after, pitching, which is suppressed, to be set, and back-off or hydraulic releasing, then tripping in are carried out after the completion of packer setting
Gas lift string is inserted into sealing intubation.Its disadvantage is as follows：
1. needing tripping in tubing string twice, waste of manpower, material resources.
2. packer is given up, structure has that low pressure gives up and cannot successfully give up.
3. packer is salvaged difficult.
Invention content
The purpose of the present invention provides gas-lift production one and plows completion tubular column and work aiming at defect of the existing technology
Skill realizes one-trip string, that is, completion tool tripping in, sets, test envelope, give up, destroying ball seat and gaslift production stage.
In order to achieve the above object, present invention generally provides following technical solutions：
One of present invention is to provide gas-lift production one and plows completion tubular column, including from top to bottom sequentially connected oil pipe, running tool,
Sealing device, packer, perforated pipe and silk plug, it is specific as follows：
（One）Running tool
The running tool includes top connection, pin, pin of giving up, suspension pin, lock tube, first piston, the first ball seat, supports
Ring, lower union joint and interior connector；It is outer that the wherein described top connection, lock tube and lower union joint are sequentially connected composition from top to bottom
Tube portion, first ball seat, interior connector are vertically connected with composition inner pipe portion；
The outer tube part is specially：The upper end of the top connection is connect by screw thread with the oil pipe, under the top connection
The outer surface at end is equipped with boss, and the inner surface of the lock tube is equipped with groove, and the lock tube and top connection are matched by boss and groove
It attaches together with positioning；The lower end of the lock tube is connected through a screw thread lower union joint；
Said inner tube part is specially：First ball seat upper end is with contact surface step location and installation inside top connection and first
Liquid stream gap is equipped between ball seat and top connection；In first ball seat is connected through a screw thread through the outer tube part and lower end
Connector；The first annular space is formed between first ball seat and outer tube, and first annular space passes through liquid stream gap and top connection
Inner cavity connection；Cooperation installation first piston is slidingly sealed in first annular space, the first piston top passes through pin of giving up
Nail is connect with top connection, and first piston lower part is connected through a screw thread support ring, the support ring be supported in under the top connection
Inner surface is held, and contradicts the boss of top connection lower end outer surface and compresses it in the groove of the lock tube；Described first lives
The outer wall of plug is equipped with limiting slot, and the top connection is equipped with the suspension pin coordinated with limiting slot；
After the pin compression of giving up is cut, the plug of the work first can be along the first annular space to be slidingly sealed cooperation to downslide
Row, until suspension pin realizes that limit cooperation stops with limiting slot；The boss of the top connection lower end loses institute when above carrying tubing string
It states the pressuring action of support ring and is detached from the groove of the lock tube, the lock tube is detached with top connection realization at this time；
（Two）Sealing device
The sealing device includes sealing drum, sealing inserted link and lower variable buckle；The wherein described sealing inserted link is matched by being slidingly sealed
It closes and is mounted on inside the sealing drum；The upper end of the sealing drum is connect by screw-thread fit with the lower union joint, described close
The lower end of sealed tube connects lower variable buckle by screw-thread fit；The upper end of the sealing inserted link passes through screw-thread fit and the interior connector
Connection；
（Three）Packer
The packer is hydraulic packer, and the packer is internally provided with the second ball seat and steel ball.
Further, the packer includes outer tube part, inner pipe portion and the slip mechanism connected therebetween, tool
Body is as follows：
The outer tube part include upper binding head, upper guide ring, tension and compression ring, set pin, lock ring, sheath, hydraulic cylinder, sleeve,
Small packing element, big packing element and spacer ring, it is specific as follows：The upper binding head upper end is connected by screw-thread fit and the lower variable buckle
It connects, the upper guide ring is socketed in the outside of the upper binding head by screw-thread fit, and the tension and compression ring is located at upper guide ring
Lower part and the external socket by setting pin and upper binding head；The lower end of the sheath and the tension and compression ring passes through screw-thread fit
Connection, the lower end of the sheath is connect by screw-thread fit with the hydraulic cylinder；The lower end of the hydraulic cylinder is positioned by step
The sleeve is installed and is constituted with it and is slidably matched；Sealing is socketed with the small packing element and big successively up and down for the outside of the sleeve
The lower end of packing element, the sleeve compresses small packing element and big packing element by the spacer ring that screw-thread fit connects；
Said inner tube part include upper center tube, deblocking pin, second piston, third piston, connecting rod, lower center tube, steel ball,
Ball seat pin and ball seat, it is specific as follows：The upper end of the connecting rod connects the upper center tube by screw-thread fit, lower end leads to
It crosses screw-thread fit and connects the lower center tube；The second annular space, the second piston installation are constituted between the sheath and connecting rod
In second annular space and inside and outside respectively between the connecting rod and sheath constitute sealing cooperation, and it is described second live
Plug constitutes step location fit in the axial direction with the sheath；The connecting rod is equipped with and is set with what second annular space was connected to
Hole；Third annular space is constituted between the hydraulic cylinder and lower center tube, the third piston is mounted in the third annular space and interior
Outer both sides constitute sealing cooperation between the lower center tube and hydraulic cylinder respectively, and the third piston exists with the hydraulic cylinder
Step location fit is constituted in axial direction；The lower center tube is equipped with sets hole with what the third annular space was connected to；It is described it is lower in
Second ball seat is installed by the ball seat pin inside the lower end of heart pipe, the steel ball is to be put into oil pipe before setting in the later stage
It drops down onto on second ball seat；
The outer wall of the upper center tube upper end is equipped with multiple grooves, and the upper binding head lower end is equipped with multiple corresponding with the groove
Bar；The middle part of the upper binding head and the upper end of upper center tube constitute step location fit, the bar difference in the axial direction
In corresponding groove, and it is relatively fixed between the bar and upper center tube by unsealing pin；The lock ring passes through spiral shell
Line engagement sleeves are mounted in the outside of upper center tube upper end, and the lower end of the upper end of the lock ring and the tension and compression ring against；
The slip mechanism includes upper cone, slips cover, slips, leaf spring and lower cone, and the upper cone is located at the spacer ring
Under and upper end the lower end of the sleeve is connected to by screw-thread fit, and the lower end of the upper cone is socketed in the lower center
The outer wall of pipe and capable of constituting therebetween is slidably matched；The upper end of the lower cone passes through screw-thread fit and the lower center tube
Lower end connection, and the upper cone, lower cone arranged for interval, the lower end of the lower cone is connected down by screw-thread fit to be connect
Head；The slips cage is set between the upper cone, lower cone, and the upper cone, slips cover and lower cone it
Between form inside groove, the slips and leaf spring are mounted in the inside groove；
Further, the sealing inserted link is equipped with for being slidingly sealed the sealing structure of cooperation with being constituted with sealing drum, described
Sealing structure includes upper gasket ring, packing and the lower seal pad ring being sleeved on successively from top to bottom on sealing inserted link outer wall；
The regulation ring being threadedly coupled on the sealing inserted link that the sealing structure passes through lower seal pad ring lower part compresses.
Further, the anti-rotation pin of radial arrangement is also associated between the regulation ring and sealing inserted link；The lock tube
The anti-rotation pin of radial arrangement is also associated between lower union joint；O-shaped sealing is additionally provided between the ball seat and interior connector
Circle.
Further, the upper end of the slips cover is positioned by step with the upper cone and constitutes sliding therebetween and matched
It closes, the lower end of the slips cover connects interior helmet by internal thread, and it is fixed that step is constituted between the interior helmet and the lower cone
Position cooperation.
Further, lower guide ring, the lower guide ring and lower cone are also socketed by screw-thread fit outside the lower cone
It is also associated with the anti-rotation pin of radial arrangement.
The two of the present invention are to provide the well-completing process that completion tubular column foundation is plowed based on above-mentioned gas-lift production one, including walk as follows
Suddenly：
（1）, lower tubular column：Silk plug, perforated pipe, packer, sealing device, running tool and oil pipe are connected successively from bottom to top
It is connected in completion tubular column, then slow G.I.H to projected depth；
（2）, packer setting：
First, to the annular space pumping liquid between casing and oil pipe, liquid is respectively via running tool, sealing device, packer
Annular space between casing, later by the hole on perforated pipe enter its inside, then sequence via packer, sealing device and
Running tool to oil pipe inner cavity is returned out, until returning fluid's soma is only without greasy dirt；
Secondly, steel ball is put into, waits steel balls to drop down onto on ball seat, the pumping liquid into oil pipe, liquid comes downwards to close via running tool
Seal apparatus continues traveling downwardly to packer inner cavity, makes packing element and bobbin seal by hydraulic action, completes to set；
（3）, testing seal about packer：Checking sealing of packer sets success；
（4）, running tool gives up：After the completion of confirmation is set, continue the pumping liquid into oil pipe, fluid pressure reaches the first work
Plug, first piston downlink cut pin of giving up, and first piston is continued traveling downwardly to suspension pin spacing place, and pressure release slowly above carries oil
It manages, oil pipe drives top connection, first piston, the first ball seat, interior connector and sealing inserted link uplink successively at this time, above proposes setting
Confirm after distance and gives up；
（5）, destroy packer ball seat：Continuing the pumping liquid into oil pipe, liquid comes downwards to sealing device via running tool, after
Continuous to come downwards to packer inner cavity, pressure is acted on to steel ball and the sealing surface of the second ball seat formation, cuts ball seat pin so that steel
Ball and the second ball seat fall to silk plug or more via punching tube cavity；
（6）, gaslift production：Gaslift well head is installed as required and ground flow is produced.
Further, hydraulic action makes the detailed process of packing element and bobbin seal be in the packer setting step：Liquid
Body sets hole outflow in packer inner cavity by connecting rod and lower center tube, pushes piston with sheath and hydraulic cylinder downlink,
Sheath drives tension and compression ring downlink simultaneously, and cutting sets pin, while lock ring is along the unidirectional button-type downlink of upper center tube, hydraulic cylinder downlink
Small packing element and the expansion of big packing element are compressed, while upper cone being pushed to squeeze slips, slips blocks internal surface of sleeve pipe under thrust；Liquid pressure
Power is operated with stabilization time by following procedure：0 → 4MPa, 5 minutes → 8MPa of voltage stabilizing, 5 minutes → 11MPa of voltage stabilizing, voltage stabilizing 5 divide
Clock → 14MPa, voltage stabilizing 5 minutes, completes to set.
Further, the specific steps of the testing seal about packer include following two modes：
First, to the annular space pumping liquid between casing and oil pipe, fluid pressure is respectively via running tool, sealing device, envelope
Annular space between device three and casing and act on to the sealing surface of small packing element, big packing element and casing, fluid pressure rises to
After 10MPa, 5min, pressure, which declines, is no more than 0.5MPa, then illustrates packer setting success；
It is more than 2 tons of former suspending weight or pushes 10 tons second, above carries oil pipe column, it is fricton-tight, set success.
Further, during the running tool gives up step, tonnage 3t is carried except tubing string suspending weight is outside upper, is no more than 5t, above carries
1.5m, i.e. confirmation give up,
Compared with prior art, the present invention has following advantages：
1, one-trip string completes tool tripping in, sets, test envelope, give up, destroying ball seat, gaslift production.
2, structure of giving up is safe and reliable, can secondary pitching give up again, i.e., if well-completing process step（4）Fail into
Row, just abnormal pressure has carried out step automatically（5）, at this moment need to carry out pitching by oil pipe b, ball is fallen in running tool
On ball seat, then carry out well-completing process step（4）Operation, the give up again process that can ensure to give up of above-mentioned secondary pitching succeeded
At.
3, packer can prevent tool abnormality and stay well risk by adding tonnage above to propose deblocking.I.e. if well-completing process step
Implement to occur abnormal, only need to carry in addition to tubing string suspending weight 10 tons at this time, you can will be by silk plug g, perforated pipe f, packer e, close
Seal apparatus d, running tool c and oil pipe b propose well, will not occur because tool well-completing process occur it is abnormal due to again lower fishing lance pull out
The case where tool.
4, it is sealed using packing type, sealing effect is good, is easy to tubing string activity.
5, it stays well latus rectum big, later stage operation can be smoothed out.
Description of the drawings
Fig. 1 is the working state figure that gas-lift production one plows completion tubular column；
Fig. 2 is the structural schematic diagram of running tool；
Fig. 3 is the structural schematic diagram of sealing device；
Fig. 4 is the structural schematic diagram of the packer first half；
Fig. 5 is the structural schematic diagram of packer lower half；
In Fig. 1：Casing a, oil pipe b, running tool c, sealing device d, packer e, perforated pipe f and silk plug g；
In Fig. 2：1. top connection, 2. pins, 3. give up pin, 4. suspension pins, 5. lock tubes, 6. first pistons, 7. first ball seats,
8. support ring, 9. anti-rotation pins, 10. lower union joints, connector in 11., 12.O type circles.
In Fig. 3：13. sealing drum, 14. sealing inserted links, gasket ring on 15., 16. packings, 17. lower seal pad rings, 18. adjust
Save ring, 19. anti-rotation pins, 20. times variable buckles.
In Fig. 4 and Fig. 5：21. upper binding head, guide ring on 22., 23. tension and compression rings, 24. set pin, 25. lock rings, 26.
Sheath, 27. deblocking pins, 28. upper center tubes, 291. second pistons, 292. third pistons, 30. connecting rods, 31. hydraulic cylinders,
32. lower center tube, 33. sleeves, 34. small packing elements, 35. big packing elements, 36. spacer rings, 37. upper cones, 38. slips covers, 39. slips,
40. leaf spring, 41. steel balls, 42. ball seat pins, 43. second ball seats, helmet in 44., 45. lower cones, 46. anti-rotation pins, under 47.
Guide ring, 48. lower contacts.
Specific implementation mode
It is of the invention to reach the technological means and effect that predetermined goal of the invention is taken further to illustrate, below in conjunction with
Attached drawing and preferred embodiment plow completion tubular column and technique and its working method to the gas-lift production one proposed according to the present invention
Specific implementation mode, structure, feature and its effect are described in detail as after.In the following description, different " embodiment " or
What " embodiment " referred to is not necessarily the same embodiment.In addition, the special characteristic, structure or feature in one or more embodiments can
It is combined by any suitable form.
Embodiment 1
Referring to attached drawing 1-5, a kind of gas-lift production one plows completion tubular column, including sequentially connected oil pipe b, running tool from top to bottom
C, sealing device d, packer e, perforated pipe f and silk plug g, it is specific as follows：
（One）Running tool
Running tool includes top connection 1, pin 2, pin 3 of giving up, suspension pin 4, lock tube 5, first piston 6, the first ball seat 7,
Support ring 8, lower union joint 10 and interior connector 11；Wherein top connection 1, lock tube 5 and lower union joint 10 be from top to bottom successively
Outer tube part is connected and composed, the first ball seat 7, interior connector 11 are vertically connected with composition inner pipe portion.
Outer tube part is specially：The upper end of top connection 1 is connect by screw thread with oil pipe b, the outer surface of the lower end of top connection 1
Equipped with boss, the inner surface of lock tube 5 is equipped with groove, lock tube 5 and top connection 1 and passes through boss and groove cooperation assembly positioning；Lock tube 5
Lower end be connected through a screw thread lower union joint 10；Pin 2 is used to block the pin hole of lock tube 5.
Inner pipe portion is specially：First ball seat, 7 upper end is with contact surface step location and installation in 1 inside of top connection and the first ball
Liquid stream gap is equipped between seat 7 and top connection 1；First ball seat 7 runs through the outer tube part and lower end is connected through a screw thread interior company
Connector 11；The first annular space is formed between first ball seat 7 and outer tube, and the first annular space passes through the inner cavity in liquid stream gap and top connection 1
Connection；Cooperation installation first piston 6 is slidingly sealed in first annular space, 6 top of first piston passes through pin 3 and the top connection 1 of giving up
Connection, 6 lower part of first piston are connected through a screw thread support ring 8, support ring 8 be supported in 1 lower end inner surface of top connection, and contradict
The boss of 1 lower end outer surface of top connection and compress it in the groove of lock tube 5；The outer wall of first piston 6 is equipped with limiting slot,
Top connection 1 is equipped with the suspension pin 4 coordinated with limiting slot.
After the compression of pin 3 of giving up is cut, first piston 6 can be along the first annular space to be slidingly sealed cooperation to downslide
Row, until suspension pin 4 realizes that limit cooperation stops with limiting slot；The boss of 1 lower end of top connection loses support when above carrying tubing string
The pressuring action of ring 8 and the groove for being detached from lock tube 5, at this time lock tube 5 detached with the realization of top connection 1.
（Two）Sealing device
Sealing device includes sealing drum 13, sealing inserted link 14 and lower variable buckle 20；Wherein sealing inserted link 14 is matched by being slidingly sealed
It closes and is mounted on inside sealing drum 13；The upper end of sealing drum 13 is connect by screw-thread fit with lower union joint 10, under sealing drum 13
End connects lower variable buckle 20 by screw-thread fit；The upper end of sealing inserted link 14 is connect by screw-thread fit with interior connector 11；Sealing
Inserted link 14 is equipped with for being slidingly sealed the sealing structure of cooperation with being constituted with sealing drum 13, sealing structure include from top to bottom according to
Secondary upper gasket ring 15, packing 16 and the lower seal pad ring 17 being sleeved on sealing 14 outer wall of inserted link；Under sealing structure passes through
The regulation ring 18 being threadedly coupled on the sealing inserted link 14 of 17 lower part of gasket ring compresses；Between regulation ring 18 and sealing inserted link 14 also
It is connected with the anti-rotation pin 19 of radial arrangement.
（Three）Packer
Packer is hydraulic packer, and packer includes outer tube part, inner pipe portion and the slip mechanism connected therebetween,
It is specific as follows：
Outer tube part includes upper binding head 21, upper guide ring 22, tension and compression ring 23, sets pin 24, lock ring 25, sheath 26, hydraulic pressure
Cylinder 31, sleeve 33, small packing element 34, big packing element 35 and spacer ring 36, it is specific as follows：21 upper end of upper binding head passes through screw-thread fit
It is connect with lower variable buckle 20, upper guide ring 22 is socketed in the outside of upper binding head 21 by screw-thread fit, and tension and compression ring 23, which is located at, above leads
It is socketed with the external of upper binding head 21 to the lower part of ring 22 and by setting pin 24；Sheath 26 and the lower end of tension and compression ring 23 pass through
Screw-thread fit connects, and the lower end of sheath 26 is connect by screw-thread fit with hydraulic cylinder 31；The lower end of hydraulic cylinder 31 is fixed by step
Position installation sleeve 33 and being constituted with it is slidably matched；Sealing is socketed with small packing element 34 and big packing element successively up and down for the outside of sleeve 33
35, the spacer ring 36 that the lower end of sleeve 33 is connected by screw-thread fit compresses small packing element 34 and big packing element 35；
Inner pipe portion includes upper center tube 28, deblocking pin 27, second piston 291, third piston 292, connecting rod 30, lower center
Pipe 32, steel ball 41, ball seat pin 42 and ball seat 43, it is specific as follows：The upper end of connecting rod 30 passes through in screw-thread fit connection above
Heart pipe 28, lower end connect lower center tube 32 by screw-thread fit；The second annular space is constituted between sheath 26 and connecting rod 30, second lives
Plug 291 be mounted in the second annular space and inside and outside constitute sealing cooperation between connecting rod 30 and sheath 26 respectively, and second
Piston 291 constitutes step location fit in the axial direction with sheath 26；Connecting rod 30 is equipped with sets hole with what the second annular space was connected to；
Between hydraulic cylinder 31 and lower center tube 32 constitute third annular space, third piston 292 be mounted on third annular space in and inside and outside point
Sealing cooperation is constituted not between lower center tube 32 and hydraulic cylinder 31, and third piston 292 is constituted in the axial direction with hydraulic cylinder 31
Step location fit；Lower center tube 32 is equipped with sets hole with what third annular space was connected to；Pass through inside the lower end of lower center tube 32
Ball seat pin 42 installs the second ball seat 43, and steel ball 41 is to be dropped down onto on the second ball seat 43 in input oil pipe b before setting in the later stage；
The outer wall of 28 upper end of upper center tube is equipped with multiple grooves, and 21 lower end of upper binding head is equipped with multiple bars corresponding with groove；On
The middle part of connector 21 and the upper end of upper center tube 28 constitute step location fit in the axial direction, and bar is separately mounted to corresponding
In groove, and it is relatively fixed between bar and upper center tube 28 by unsealing pin 27；Lock ring 25 is sleeved on by screw-thread fit
The outside of 28 upper end of central tube, and the lower end of the upper end of lock ring 25 and tension and compression ring 23 against.
Slip mechanism includes upper cone 37, slips cover 38, slips 39, leaf spring 40 and lower cone 45, and upper cone 37 is located at
Under spacer ring 36 and upper end is connected to the lower end of sleeve 33 by screw-thread fit, and the lower end of upper cone 37 is socketed in lower center tube
32 outer wall and capable of constituting therebetween is slidably matched；The upper end of lower cone 45 passes through under screw-thread fit and lower center tube 32
The lower end of end connection, and upper cone 37,45 arranged for interval of lower cone, lower cone 45 connects lower contact 48 by screw-thread fit；Card
Watt cover 38, which is set up, to be mounted between upper cone 37, lower cone 45, and is formed between upper cone 37, slips cover 38 and lower cone 45
Inside groove, slips 39 and leaf spring 40 are mounted in inside groove；The upper end of slips cover 38 positioned by step with upper cone 37 and the two it
Between constitute and be slidably matched, the lower end of slips cover 38 by internal thread connect in helmet 44, structure between interior helmet 44 and lower cone 45
At step location fit；Lower guide ring 47 is also socketed by screw-thread fit outside lower cone 45, lower guide ring 47 is gone back with lower cone 45
It is connected with the anti-rotation pin 46 of radial arrangement.
Embodiment 2
Referring to attached drawing 1-5, the gas-lift production one in embodiment 1 plows the well-completing process of completion tubular column, includes the following steps：
1）Lower tubular column
It connects from bottom to top：Silk plug g+ perforated pipe f+ packer e+ sealing device d+ running tool c+ oil pipe b, slowly down toward design
Depth.
2）Packer setting
To the annular space pumping liquid between casing a and oil pipe b, respectively via running tool c, sealing device d, packer e and set
Annular space between pipe a is carried out by the hole on perforated pipe f inside it, sequentially extremely via packer e, sealing device d, running tool c
Casing b is returned out inner cavity, until returning fluid's soma puts into steel ball 41, steel balls is waited to drop down onto on the second ball seat 43 only without greasy dirt；Use float
The pumping liquid into oil pipe b is measured, fluid pressure comes downwards to sealing device d via running tool c, continues traveling downwardly to packer e
Then chamber is flowed out, push piston by the hole that sets of connecting rod 30 and lower center tube 32（Second piston 291, third piston 292）Band 26
Sheath and 31 hydraulic cylinder downlinks drive 23 downlink of tension and compression ring, cutting to set pin 24, while 25 edge of lock ring by sheath 26 at this time
28 unidirectional button-type downlink of upper center tube, 31 downlink of hydraulic cylinder compresses small packing element 34 and big packing element 35, while pushing to the extruding of cone 37
Slips 39, slips 39 block internal surface of sleeve pipe under thrust, and fluid pressure is operated with stabilization time by following procedure：0 → 4MPa is (steady
Pressure 5 minutes) → 8MPa (voltage stabilizing 5 minutes) → 11MPa (voltage stabilizing 5 minutes) → 14MPa (voltage stabilizing 5 minutes), completes to set.
3）Testing seal about packer：
To the annular space pumping liquid between casing a and oil pipe b, respectively via running tool c, sealing device d, packer e and set
Annular space between pipe a is acted on to the sealing surface of small packing element 34, big packing element 35 and casing a, and fluid pressure rises to 10MPa, 5min
Afterwards, pressure, which declines, is no more than 0.5MPa, then illustrates packer setting success；Or it above carries tubing string and is more than 2 tons of former suspending weight or pushes
It is 10 tons, fricton-tight, set success.
4）Running tool is given up：
After the completion of confirmation is set, continues pumping liquid to the fluid pressure into oil pipe b and rise to 19MPa, fluid pressure passes through first
Liquid stream gap between ball seat 7 and top connection 1 reaches first piston 6, and 6 downlink of first piston cuts pin 3 of giving up, first piston
6 continue traveling downwardly to suspension 4 spacing place of pin, and pressure release slowly above carries oil pipe b, and oil pipe b drives top connection 1, first to live successively at this time
Fill in the 6, first ball seat 7, interior connector 11, sealing inserted link 14, upper gasket ring 15, packing 16, lower seal pad ring 17, regulation ring 18
Uplink carries tonnage 3t except tubing string suspending weight is outside upper, is no more than 5t, above carries 1.5m, confirmation is given up.Give up be in order to tubing string detach, with
As for need propose flow string when can directly propose, if production a period of time after give up again, it is likely that can because well in
Grease, which is attached on ball seat sealing surface, to be caused to give up unsuccessfully, and flow string can not propose well.
5）Destroy packer ball seat：
The pumping liquid into oil pipe b, fluid pressure come downwards to sealing device d via running tool c, continue traveling downwardly to packer e
Inner cavity, pressure are acted on to steel ball 41 and the sealing surface of the second ball seat 43 formation, cut ball seat pin 42 so that steel ball 41 and the
Two ball seats 43 fall to silk plug g or more via the inner cavities perforated pipe f.
6）Gaslift produces：
Gaslift well head is installed as required and ground flow is produced.
Embodiment 3
A kind of gas-lift production one plows the well-completing process of completion tubular column, and processing step and embodiment 2 are almost the same, when well-completing process walks
Rapid 4）Fail progress, and just abnormal pressure carry out step 5 automatically）, i.e., at this time running tool do not give up also and second
Ball seat 43 and steel ball 41 have been struck off；Secondary pitching can be carried out by oil pipe b in such cases, ball is fallen in running tool
The first ball seat 7 on, then carry out well-completing process step 4）Operation, that is, carry out secondary give up；Above-mentioned secondary pitching is given up energy again
Enough processes that ensures to give up successfully complete.
As it will be easily appreciated by one skilled in the art that the above is merely preferred embodiments of the present invention, not limiting
The present invention, all within the spirits and principles of the present invention made by all any modification, equivalent and improvement etc., should be included in this
Within the protection domain of invention.
Claims (10)
1. a kind of gas-lift production one plows completion tubular column, which is characterized in that including sequentially connected oil pipe from top to bottom（b）, be sent into
Tool（c）, sealing device（d）, packer（e）, perforated pipe（f）And silk plug（g）, specific as follows：
（One）Running tool
The running tool includes top connection（1）, pin（2）, pin of giving up（3）, suspension pin（4）, lock tube（5）, first live
Plug（6）, the first ball seat（7）, support ring（8）, anti-rotation pin（9）, lower union joint（10）, interior connector（11）And O-ring
（12）；The wherein described top connection（1）, lock tube（5）And lower union joint（10）It is sequentially connected composition outer tube part, institute from top to bottom
State the first ball seat（7）, interior connector（11）It is vertically connected with composition inner pipe portion；
The outer tube part is specially：The top connection（1）Upper end pass through screw thread and the oil pipe（b）Connection, it is described on connect
Head（1）Lower end outer surface be equipped with boss, the lock tube（5）Inner surface be equipped with groove, the lock tube（5）And top connection
（1）Pass through boss and groove cooperation assembly positioning；The lock tube（5）Lower end be connected through a screw thread lower union joint（10）；
Said inner tube part is specially：First ball seat（7）Upper end is with contact surface step location and installation in top connection（1）It is internal
And first ball seat（7）With top connection（1）Between be equipped with liquid stream gap；First ball seat（7）Through the outer tube part and under
End is connected through a screw thread interior connector（11）；First ball seat（7）The first annular space, and first ring are formed between outer tube
Sky passes through liquid stream gap and top connection（1）Inner cavity connection；Cooperation installation first piston is slidingly sealed in first annular space
（6）, the first piston（6）Top passes through pin of giving up（3）With top connection（1）Connection, first piston（6）Lower part passes through screw thread
Connect support ring（8）, the support ring（8）It is supported in and the top connection（1）Lower end inner surface, and contradict top connection（1）Under
It holds the boss of outer surface and compresses it in the lock tube（5）Groove in；The first piston（6）Outer wall be equipped with limit
Slot, the top connection（1）The suspension pin coordinated with limiting slot is installed（4）；
When the pin of giving up（3）After compression is cut, the first piston（6）It can be along the first annular space to be slidingly sealed cooperation
Glide downwards, until suspension pin（4）Realize that limit cooperation stops with limiting slot；Above propose top connection when tubing string（1）Lower end
Boss lose the support ring（8）Pressuring action and be detached from the lock tube（5）Groove, the lock tube at this time（5）With it is upper
Connector（1）Realize separation；
（Two）Sealing device
The sealing device includes sealing drum（13）, sealing inserted link（14）And lower variable buckle（20）；The wherein described sealing inserted link
（14）It is fitted to the sealing drum by being slidingly sealed（13）It is internal；The sealing drum（13）Upper end pass through screw-thread fit
With the lower union joint（10）Connection, the sealing drum（13）Lower end pass through the lower variable buckle of screw-thread fit connection（20）；It is described close
Seal inserted link（14）Upper end pass through screw-thread fit and the interior connector（11）Connection；
（Three）Packer
The packer is hydraulic packer, and the packer is internally provided with the second ball seat（43）And steel ball（41）.
2. gas-lift production one according to claim 1 plows completion tubular column, which is characterized in that the packer includes outer tube part
Point, inner pipe portion and the slip mechanism connected therebetween, it is specific as follows：
The outer tube part includes upper binding head (21), upper guide ring（22）, tension and compression ring（23）, set pin（24）, lock ring
（25）, sheath（26）, hydraulic cylinder（31）, sleeve（33）, small packing element（34）, big packing element (35) and spacer ring（36）, specific as follows：
Upper binding head (21) upper end passes through screw-thread fit and the lower variable buckle（20）Connection, the upper guide ring（22）Pass through spiral shell
Line coordinates the outside for being socketed in the upper binding head (21), the tension and compression ring（23）Positioned at upper guide ring（22）Lower part and pass through
Set pin（24）External with upper binding head (21) is socketed；The sheath（26）With the tension and compression ring（23）Lower end pass through spiral shell
Line is connected, the sheath（26）Lower end pass through screw-thread fit and the hydraulic cylinder（31）Connection；The hydraulic cylinder（31）
Lower end pass through sleeve described in step location and installation（33）And it constitutes and is slidably matched with it；The sleeve（33）Outside up and down according to
Secondary sealing is socketed with the small packing element（34）With big packing element (35), the sleeve（33）Lower end by screw-thread fit connect every
Ring（36）Compress small packing element（34）With big packing element (35)；
Said inner tube part includes upper center tube（28）, deblocking pin（27）, second piston（291）, third piston（292）, even
Extension bar（30）, lower center tube（32）, steel ball（41）, ball seat pin（42）And ball seat（43）, specific as follows：The connecting rod
（30）Upper end the upper center tube is connected by screw-thread fit（28）, lower end the lower center tube is connected by screw-thread fit
（32）；The sheath（26）And connecting rod（30）Between constitute the second annular space, the second piston (291) is mounted on described second
In annular space and inside and outside respectively with the connecting rod（30）And sheath（26）Between constitute sealing cooperation, and the second piston
(291) with the sheath（26）Step location fit is constituted in the axial direction；The connecting rod（30）It is equipped with and second ring
Sky connection sets hole；The hydraulic cylinder（31）And lower center tube（32）Between constitute third annular space, the third piston（292）
In the third annular space and inside and outside respectively with the lower center tube（32）And hydraulic cylinder（31）Between constitute sealing
Cooperation, and the third piston（292）With the hydraulic cylinder（31）Step location fit is constituted in the axial direction；The lower center tube
（32）It is equipped with and sets hole with what the third annular space was connected to；The lower center tube（32）Lower end inside pass through the ball seat pin
Nail（42）Second ball seat is installed（43）, the steel ball（41）Oil pipe is put into before being set for the later stage（b）In drop down onto described second
Ball seat（43）On；
The upper center tube（28）The outer wall of upper end be equipped with multiple grooves, upper binding head (21) lower end be equipped with it is multiple with it is described
The corresponding bar of groove；The middle part of the upper binding head (21) and upper center tube（28）Upper end constitute in the axial direction step positioning
Cooperation, the bar is separately mounted in corresponding groove, and the bar and upper center tube（28）Between pass through unseal pin（27）
It is relatively fixed；The lock ring（25）It is sleeved on upper center tube by screw-thread fit（28）The outside of upper end, and the lock ring（25）
Upper end and the tension and compression ring（23）Lower end against；
The slip mechanism includes upper cone（37）, slips cover（38）, slips（39）, leaf spring（40）And lower cone（45）, institute
State upper cone（37）Positioned at the spacer ring（36）Under and upper end the sleeve is connected to by screw-thread fit（33）Lower end, and
The upper cone（37）Lower end be socketed in the lower center tube（32）Outer wall and capable of constituting therebetween be slidably matched；Institute
State lower cone（45）Upper end pass through screw-thread fit and the lower center tube（32）Lower end connection, and the upper cone（37）、
Lower cone（45）Arranged for interval, the lower cone（45）Lower end lower contact is connected by left hand thread engagement（48）；The card
Watt cover（38）It sets up and is mounted on the upper cone（37）, lower cone（45）Between, and the upper cone（37）, slips cover（38）With
And lower cone（45）Between form inside groove, the slips（39）And leaf spring（40）In the inside groove.
3. gas-lift production one according to claim 1 plows completion tubular column, which is characterized in that the sealing inserted link（14）On set
Be useful for and sealing drum（13）The sealing structure for being slidingly sealed cooperation is constituted, the sealing structure includes covering successively from top to bottom
Mounted in sealing inserted link（14）Upper gasket ring on outer wall（15）, packing（16）And lower seal pad ring（17）；The sealing knot
Structure passes through lower seal pad ring（17）The sealing inserted link of lower part（14）The regulation ring of upper threaded connection（18）It compresses.
4. gas-lift production one according to claim 1 plows completion tubular column, which is characterized in that the regulation ring（18）And sealing
Inserted link（14）Between be also associated with the anti-rotation pin of radial arrangement（19）；The lock tube（5）And lower union joint（10）Between also connect
It is connected to the anti-rotation pin of radial arrangement（9）；The ball seat（7）With interior connector（11）Between be additionally provided with O-ring seal（12）.
5. the gas-lift production one stated according to claim 2 plows completion tubular column, which is characterized in that the slips cover（38）Upper end with
The upper cone（37）By step positioning and composition is slidably matched therebetween, the slips cover（38）Lower end pass through interior spiral shell
Helmet in line connection（44）, the interior helmet（44）With the lower cone（45）Between constitute step location fit.
6. the gas-lift production one stated according to claim 2 plows completion tubular column, which is characterized in that the lower cone（45）Also pass through spiral shell outside
The lower guide ring of line cooperation socket（47）, the lower guide ring（47）With lower cone（45）It is also associated with the anti-rotation pin of radial arrangement
（46）.
7. a kind of well-completing process being plowed completion tubular column foundation based on any gas-lift productions of claim 1-6 one, feature are existed
In including the following steps：
（1）Lower tubular column：By silk plug（g）, perforated pipe（f）, packer（e）, sealing device（d）, running tool（c）And oil pipe
（b）It is sequentially connected from bottom to top as completion tubular column, then slow G.I.H to projected depth；
（2）Packer setting：
First, to casing（a）And oil pipe（b）Between annular space pumping liquid, liquid is respectively via running tool（c）, sealing dress
It sets（d）, packer（e）With casing（a）Between annular space, later by perforated pipe（f）On hole enter its inside, then sequence
Via packer（e）, sealing device（d）And running tool（c）To oil pipe（b）Inner cavity is returned out, until the net nothing of returning fluid's soma
Greasy dirt；
Secondly, steel ball is put into（41）, wait steel balls（41）Drop down onto the second ball seat（43）On, to oil pipe（b）Interior pumping liquid, liquid warp
By running tool（c）Come downwards to sealing device（d）, continue traveling downwardly to packer inner cavity（e）, packing element and set are made by hydraulic action
Pipe（a）Sealing, completes to set；
（3）Testing seal about packer：Checking sealing of packer sets success；
（4）Running tool is given up：After the completion of confirmation is set, continue to oil pipe（b）Interior pumping liquid, fluid pressure reach the first work
Plug（6）, first piston（6）Downlink cuts pin of giving up（3）, first piston（6）It continues traveling downwardly to suspension pin（4）Spacing place,
Pressure release slowly above carries oil pipe（b）, oil pipe at this time（b）Top connection is driven successively（1）, first piston（6）, the first ball seat（7）, it is interior
Connector（11）And sealing inserted link（14）Uplink above carries and confirms after setpoint distance and give up；
（5）Destroy packer ball seat：Continue to oil pipe（b）Interior pumping liquid, liquid is via running tool（c）Come downwards to sealing dress
It sets（d）, continue traveling downwardly to packer（e）Inner cavity, pressure are acted on to steel ball（41）With the second ball seat（43）On the sealing surface of formation,
Cut ball seat pin（42）So that steel ball（41）With the second ball seat（43）Via perforated pipe（f）Inner cavity falls to silk plug（g）With
On；
（6）Gaslift produces：Gaslift well head is installed as required and ground flow is produced.
8. well-completing process according to claim 7, which is characterized in that hydraulic action makes glue in the packer setting step
Cylinder and casing（a）The detailed process of sealing is：Liquid is in packer（e）By connecting rod in inner cavity（30）With lower center tube（32）'s
Hole outflow is set, piston is pushed（29）With sheath（26）And hydraulic cylinder（31）Downlink, sheath（26）Drive tension and compression ring simultaneously
（23）Downlink, cutting set pin（24）, while lock ring（25）Along upper center tube（28）Unidirectional button-type downlink, hydraulic cylinder（31）Under
Row compresses small packing element（34）And big packing element（35）Expansion, while pushing upper cone（37）Squeeze slips（39）, slips（39）It is pushing away
Casing is blocked under power（a）Inner wall；Fluid pressure is operated with stabilization time by following procedure：0 → 4MPa, 5 minutes → 8MPa of voltage stabilizing,
5 minutes → 11MPa of voltage stabilizing, 5 minutes → 14MPa of voltage stabilizing, voltage stabilizing 5 minutes are completed to set.
9. well-completing process according to claim 7, which is characterized in that the specific steps of the testing seal about packer include following
Two ways：
First, to casing（a）And oil pipe（b）Between annular space pumping liquid, fluid pressure is respectively via running tool（c）, it is close
Seal apparatus（d）, packer（e）Three and casing（a）Between annular space and act on to small packing element（34）, big packing element（35）With casing
（a）Sealing surface on, fluid pressure rises to 10MPa, and after 5min, pressure, which declines, is no more than 0.5MPa, then illustrates packer setting
Success；
Second, above carrying oil pipe（b）Tubing string is more than 2 tons of former suspending weight or pushes 10 tons, fricton-tight, sets success.
10. well-completing process according to claim 7, which is characterized in that the running tool is given up in step, except tubing string is outstanding
Weight is outside upper to carry tonnage 3t, is no more than 5t, above carries 1.5m, that is, confirms and give up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810313305.6A CN108457601B (en) | 2018-04-10 | 2018-04-10 | Gas lift oil extraction one-trip well completion pipe string and process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810313305.6A CN108457601B (en) | 2018-04-10 | 2018-04-10 | Gas lift oil extraction one-trip well completion pipe string and process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108457601A true CN108457601A (en) | 2018-08-28 |
| CN108457601B CN108457601B (en) | 2023-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810313305.6A Active CN108457601B (en) | 2018-04-10 | 2018-04-10 | Gas lift oil extraction one-trip well completion pipe string and process |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102587882A (en) * | 2012-03-18 | 2012-07-18 | 荆州市赛瑞能源技术有限公司 | Recoverable once pipe column fracture-acidizing well completion process and tool thereof |
| CN102808594A (en) * | 2012-08-17 | 2012-12-05 | 中国海洋石油总公司 | Device and method for multi-stage layering sand prevention and well completion by one-step pipe column |
| CN203081411U (en) * | 2012-12-10 | 2013-07-24 | 中国石油天然气股份有限公司 | Antiseptic, anti-scale and gas-lift integral completion pipe string |
| CN204419167U (en) * | 2014-12-08 | 2015-06-24 | 中国石油化工股份有限公司 | One is given up and is tested envelope integrated pipe column |
| WO2016033983A1 (en) * | 2014-09-04 | 2016-03-10 | 杰瑞能源服务有限公司 | Coiled tubing fracturing multistage tool string and utilization method |
| CN205532458U (en) * | 2015-12-31 | 2016-08-31 | 中国石油天然气股份有限公司 | Packer is adopted to long -term separating of oil field |
| CN207177825U (en) * | 2017-08-16 | 2018-04-03 | 中国石油天然气股份有限公司 | For the by-passing valve and fracturing string in fracturing string |
-
2018
- 2018-04-10 CN CN201810313305.6A patent/CN108457601B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102587882A (en) * | 2012-03-18 | 2012-07-18 | 荆州市赛瑞能源技术有限公司 | Recoverable once pipe column fracture-acidizing well completion process and tool thereof |
| CN102808594A (en) * | 2012-08-17 | 2012-12-05 | 中国海洋石油总公司 | Device and method for multi-stage layering sand prevention and well completion by one-step pipe column |
| CN203081411U (en) * | 2012-12-10 | 2013-07-24 | 中国石油天然气股份有限公司 | Antiseptic, anti-scale and gas-lift integral completion pipe string |
| WO2016033983A1 (en) * | 2014-09-04 | 2016-03-10 | 杰瑞能源服务有限公司 | Coiled tubing fracturing multistage tool string and utilization method |
| CN204419167U (en) * | 2014-12-08 | 2015-06-24 | 中国石油化工股份有限公司 | One is given up and is tested envelope integrated pipe column |
| CN205532458U (en) * | 2015-12-31 | 2016-08-31 | 中国石油天然气股份有限公司 | Packer is adopted to long -term separating of oil field |
| CN207177825U (en) * | 2017-08-16 | 2018-04-03 | 中国石油天然气股份有限公司 | For the by-passing valve and fracturing string in fracturing string |
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109944567A (en) * | 2019-04-01 | 2019-06-28 | 华鼎鸿基石油工程技术(北京)有限公司 | One kind is every adopting packer and every adopting construction method |
| CN110118264A (en) * | 2019-05-14 | 2019-08-13 | 苏州博雷特流体控制有限公司 | A method of the high-performance expansion sluice valve with back seal function and replacement filler |
| CN110206531A (en) * | 2019-05-23 | 2019-09-06 | 广州海洋地质调查局 | A kind of oil pipe of horizontal well production profile test method and device |
| CN110206531B (en) * | 2019-05-23 | 2024-04-09 | 广州海洋地质调查局 | Method and device for testing output profile of horizontal well oil pipe |
| CN110608018A (en) * | 2019-09-16 | 2019-12-24 | 中国石油天然气股份有限公司西南油气田分公司工程技术研究院 | Isolated gas lift drainage gas production pipe string |
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| CN111535784A (en) * | 2020-04-17 | 2020-08-14 | 四川轻化工大学 | Negative pressure suction and gas lift combined action pump and operation method thereof |
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| CN114427438A (en) * | 2020-10-12 | 2022-05-03 | 中国石油化工股份有限公司 | Multifunctional pressure testing device for shaft |
| CN112943109A (en) * | 2021-01-12 | 2021-06-11 | 中国石油天然气股份有限公司 | Multifunctional integrated pipe column for gas injection, test and operation under pressure and use method |
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| CN114458201A (en) * | 2021-03-22 | 2022-05-10 | 中海油能源发展股份有限公司 | Expansion suspension packing device capable of checking seal and using method thereof |
| CN114251057B (en) * | 2021-05-17 | 2023-07-28 | 中国海洋石油集团有限公司 | Gas lift process pipe column of continuous oil pipe dragging jet pump with fixed pipe column and operation method of gas lift process pipe column |
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| CN116624130B (en) * | 2023-07-21 | 2023-09-22 | 中海油能源发展股份有限公司采油服务分公司 | Gas lift plunger |
| CN117433916A (en) * | 2023-12-20 | 2024-01-23 | 中国石油集团渤海钻探工程有限公司 | Air energy storage well is with annotating and producing packer testing arrangement |
| CN117433916B (en) * | 2023-12-20 | 2024-02-23 | 中国石油集团渤海钻探工程有限公司 | Air energy storage well is with annotating and producing packer testing arrangement |
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