CN201092843Y - Water-shutoff technique tubular pile of gas injection well - Google Patents
Water-shutoff technique tubular pile of gas injection well Download PDFInfo
- Publication number
- CN201092843Y CN201092843Y CNU2007200139664U CN200720013966U CN201092843Y CN 201092843 Y CN201092843 Y CN 201092843Y CN U2007200139664 U CNU2007200139664 U CN U2007200139664U CN 200720013966 U CN200720013966 U CN 200720013966U CN 201092843 Y CN201092843 Y CN 201092843Y
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- shear pin
- outer cylinder
- ball seat
- main piston
- housed
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Abstract
The utility model belongs to an oil field extracting device, in particular relates to a gas injection well water shutoff technique tube, which comprises a ball seat plug shell (28), shear pins (29), a ball seat (30) and a rubber ring, wherein an outer cylinder liner (4) is fixed on the outer cylinder of an upper joint (1), an accessory piston (2) is fixed between the upper joint (1) and the outer cylinder liner (4) by a packer shear pin I (3), a double-end spring (5) and a salvaged head (6) are mounted on the right end of the accessory piston (2), an articulated sleeve (10) and an upper main piston (8) are fixedly mounted on the cylinder of the salvaged joint (6) by a shear pin I (7), a junk ring (11), a packer rubber I (12) and an upper cone (13) are mounted on the right end of the outer cylinder liner (4) and outside of the upper main piston (8). The study of the technique tube in gas injection well water shutoff is successful, which solves the phenomenon of causing an aqueous layer in technology oil extracting injecting layers, greatly improves the oil extracting efficiency and the amount of base oil extracting, and the blank of the market is filled up.
Description
Technical field
The utility model belongs to oil field equipment, and the required gas injection well water-plugging technology tubing string of water layer in pump oil reservoir district is adopted to implement two, three grades of petroleum production engineerings of injection gas displacement perfect technology in particularly a kind of oily vapour field.
Background technology
At present, most of oil gas fields improve the crude oil output to implement two, three grades of petroleum production engineerings of injection gas displacement perfect technology; Along with the progress of oil production technology, water layer appears in implanted layer, the water layer in thick oil pay district particularly, and injection gas displacement is ineffective, causes gas injection to enter water layer, can not satisfy the injection gas displacement activities, has a strong impact on oil recovery efficiency, suddenly must solve this technical problem.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned technical deficiency, provides a kind of oily vapour field to implement two, three grades of petroleum production engineerings of injection gas displacement perfect technology, adopts the water layer in thick oil pay district, solves the gas injection well water-plugging technology tubing string that influences oil recovery efficiency.
The technical scheme that the utility model technical solution problem adopts is: a kind of gas injection well water-plugging technology tubing string of being made up of ball seat housing, shear pin, ball seat and cushion rubber, be characterized on the top connection cylindrical, fixing an outer cylinder sheath, between top connection and outer cylinder sheath, fix an auxiliary piston with the shear pin one that is covered with dust, the auxiliary piston right-hand member is equipped with double end spring and fishing head, on the fishing head cylindrical with deblocking shear pin one fixedly be equipped with articulate the cover and main piston, outer cylinder sheath right-hand member, main piston are equipped with pressure ring packing element one and upper cone outward; The top connection right-hand member with the shear pin of giving up fixedly connected one flexible in pipe, pipe left end cylindrical is connected with the upper cone right-hand member in flexible, and lower cone is equipped with in flexible interior pipe stage casing, on lower cone and the upper cone cylindrical inclined-plane slips and slips cover is housed, in the middle of the slips spring is housed, left end is equipped with flexible overcoat; In the flexible overcoat stage casing snap cover is housed, fix a ball seat with deblocking shear pin two in the snap cover, set shear pin two in the external application of the right section of snap cover and fix a main piston, between main piston and the snap cover snap is housed, between flexible overcoat right-hand member and the ball seat housing, on the cylindrical of main piston a packing element two is housed.
The beneficial effects of the utility model are: the research success of this gas injection well water-plugging technology tubing string, solved water layer has been appearred in technology oil recovery implanted layer, the water layer in thick oil pay district particularly, the injection gas displacement benefit is low, cause gas injection to enter water layer, can not realize the injection gas displacement activities, have a strong impact on the technical barrier of oil recovery efficiency, improve oil recovery efficiency greatly, improved the crude oil output; Filled up the market vacancy.
Description of drawings
Specify with embodiment below in conjunction with accompanying drawing.
Fig. 1 shows gas injection well water-plugging technology tubing string sectional structure assembling drawing.
Among the figure, the 1-top connection; The 2-auxiliary piston; 3-sets shear pin one; The 4-outer cylinder sheath; 5-double end pawl spring; The 6-fishing head; 7-deblocking shear pin one; Last main the living of 8-trembled with fear; The 9-snap; 10-articulates cover; The 11-pressure ring; 12-packing element one; The 13-upper cone; The 14-shear pin of giving up; The 15-slips; The 16-spring; 17-slips cover; The 18-lower cone; Pipe in 19-is flexible; The 20-overcoat that stretches; 21-snap cover; 22-deblocking shear pin two; 23-ball seat one; 24-sets shear pin two; The 25-snap; Main piston under the 26-; 27-packing element two; 28-ball seat housing; The 29-shear pin; 30-ball seat two; 31-cushion rubber two; 32-steel ball one; 33-cushion rubber two; 34-cushion rubber three; 35-cushion rubber four; 36-cushion rubber five; 37-cushion rubber six; 38-steel ball two; 39-cushion rubber seven; 40-cushion rubber eight; 41-cushion rubber nine; 42-cushion rubber ten; 43-cushion rubber 11; 44-cushion rubber 12; 45-cushion rubber 13; 46-cushion rubber 14; 47-steel ball three; 48-cushion rubber 15;
The specific embodiment
With reference to accompanying drawing, a kind of gas injection well water-plugging technology tubing string, the gas injection well water-plugging technology tubing string of forming by ball seat housing 28, shear pin 29, ball seat 2 30 and cushion rubber, be characterized on top connection 1 cylindrical, fixing an outer cylinder sheath 4, between top connection 1 and outer cylinder sheath 4, fix an auxiliary piston 2 with setting shear pin 1, auxiliary piston 2 right-hand members are equipped with double end spring 5 and fishing head 6, fixedly be equipped with deblocking shear pin 1 on fishing head 6 cylindricals and articulate cover 10 and last main piston 8, outer cylinder sheath 4 right-hand members, go up main piston 8 outer pressure ring 11, packing element 1 and the upper cones 13 of being equipped with; Top connection 1 right-hand member with the shear pin 14 of giving up fixedly connected one flexible in pipe 19, pipe 19 left end cylindricals are connected with upper cone 13 right-hand members in flexible, lower cone 18 is equipped with in pipe 19 stage casings in flexible, on lower cone 18 and the upper cone 13 cylindrical inclined-planes slips 15 and slips cover 17 are housed, spring 16 is housed in the middle of the slips 15, and left end is equipped with flexible overcoat 20; Snap cover 21 is housed in flexible overcoat 20 stage casings, fix a ball seat 1 with deblocking shear pin 2 22 in the snap cover 21, set shear pin 2 24 in the 21 right section external applications of snap cover and fix a following main piston 26, between following main piston 26 and the snap cover 21 snap 25 is housed, between flexible overcoat 20 right-hand members and the ball seat housing 28, on the cylindrical of main piston 26 packing element 2 27 is housed.The endoporus of ball seat housing 28 right-hand members is fixed a ball seat 30 with shear pin 29; Between ball seat 30 and the ball seat housing 28 cushion rubber 2 31 is housed, between ball seat 1 and the snap cover 21 cushion rubber 4 35 is housed, between snap cover 21 and the flexible overcoat 20 cushion rubber 5 36 is housed, between pipe 19 and the flexible overcoat 20 cushion rubber 6 37 is housed in flexible, cushion rubber 7 39, cushion rubber 8 40, cushion rubber 9 41, cushion rubber 10, between pipe 19 and the last main piston 8 cushion rubber 11 is housed in flexible, between pipe 19 and the top connection 1 cushion rubber 12 and cushion rubber 13 are housed in flexible, between last main piston 8 and the outer cylinder sheath 4 cushion rubber 14 is housed, between top connection 1 and the auxiliary piston 2 cushion rubber 15 is housed
The gas injection well water-plugging technology tubing string course of work is to realize like this, top connection 1 connects the oil pipe precalculated position of going into the well, and goes into the well and finishes, and throws steel ball 32 to ball seat 30 positions, oil pipe is squeezed into highly pressurised liquid, and the following main piston 26 compression packing elements 27 of promotion are finished down the packing device and set; Throw steel ball 47 to top connection 1 position, oil pipe is squeezed into highly pressurised liquid, moves on the auxiliary piston 2 to cut off to set shear pin 1, and double end pawl spring 5 discharges, and last main piston 8 moves to right and compresses packing element one 12 robbery upper cones 13 descending distending slips 15, finishes packing device and sets.Drop into ball 38 during gas injection well water-plugging technology art tubing string deblocking, oil pipe is squeezed into highly pressurised liquid, ball seat 23 right laterals, deblocking shear pin 2 22 is cut off, and is lowered to and carries fishing head 6 on the special-purpose fishing tool, cut off deblocking shear pin 1, fishing head 6 articulates cover 10, and snap 9 discharges, pipe 19, flexible overcoat 20, snap cover 21, snap 25 releases in driving successively and go up main piston 8, upper cone 13, slips cover 17, lower cone 18, stretching, packing element 1, packing element 2 27 and slips 15 reclaim, on carry the oil pipe deblocking and finish.
Claims (1)
1. gas injection well water-plugging technology tubing string, by ball seat housing (28), shear pin (29), the gas injection well water-plugging technology tubing string that ball seat two (30) and cushion rubber are formed, it is characterized in that on top connection (1) cylindrical, fixing an outer cylinder sheath (4), between top connection (1) and outer cylinder sheath (4), fix an auxiliary piston (2) with setting shear pin one (3), auxiliary piston (2) right-hand member is equipped with double end spring (5) and fishing head (6), fixedly be equipped with deblocking shear pin one (7) on fishing head (6) cylindrical and articulate cover (10) and last main piston (8), outer cylinder sheath (4) right-hand member, the outer pressure ring (11) that is equipped with of last main piston (8), packing element one (12) and upper cone (13); Top connection (1) right-hand member with the shear pin of giving up (14) fixedly connected one flexible in pipe (19), pipe (19) left end cylindrical is connected with upper cone (13) right-hand member in flexible, lower cone (18) is equipped with in pipe (19) stage casing in flexible, on lower cone (18) and upper cone (13) the cylindrical inclined-plane slips (15) and slips cover (17) are housed, in the middle of the slips (15) spring (16) is housed, left end is equipped with flexible overcoat (20); In flexible overcoat (20) stage casing snap cover (21) is housed, fix a ball seat one (23) with deblocking shear pin two (22) in the snap cover (21), set shear pin two (24) in the external application of the right section of snap cover (21) and fix a following main piston (26), between following main piston (26) and the snap cover (21) snap (25) is housed, between flexible overcoat (20) right-hand member and the ball seat housing (28), on the cylindrical of main piston (26) packing element two (27) is housed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200139664U CN201092843Y (en) | 2007-08-24 | 2007-08-24 | Water-shutoff technique tubular pile of gas injection well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200139664U CN201092843Y (en) | 2007-08-24 | 2007-08-24 | Water-shutoff technique tubular pile of gas injection well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201092843Y true CN201092843Y (en) | 2008-07-30 |
Family
ID=39900808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200139664U Expired - Lifetime CN201092843Y (en) | 2007-08-24 | 2007-08-24 | Water-shutoff technique tubular pile of gas injection well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201092843Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101881143A (en) * | 2010-07-02 | 2010-11-10 | 中国石油集团川庆钻探工程有限公司井下作业公司 | Drillable ball injection sliding sleeve suitable for horizontal well |
| CN105735941A (en) * | 2014-12-12 | 2016-07-06 | 中国石油天然气股份有限公司 | Ball seat |
| CN110821460A (en) * | 2019-12-10 | 2020-02-21 | 阜新市石油工具厂 | Drillable separated layer water injection process pipe column |
-
2007
- 2007-08-24 CN CNU2007200139664U patent/CN201092843Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101881143A (en) * | 2010-07-02 | 2010-11-10 | 中国石油集团川庆钻探工程有限公司井下作业公司 | Drillable ball injection sliding sleeve suitable for horizontal well |
| CN101881143B (en) * | 2010-07-02 | 2013-04-24 | 中国石油集团川庆钻探工程有限公司井下作业公司 | Drillable ball injection sliding sleeve suitable for horizontal well |
| CN105735941A (en) * | 2014-12-12 | 2016-07-06 | 中国石油天然气股份有限公司 | Ball seat |
| CN105735941B (en) * | 2014-12-12 | 2018-05-08 | 中国石油天然气股份有限公司 | A kind of ball seat |
| CN110821460A (en) * | 2019-12-10 | 2020-02-21 | 阜新市石油工具厂 | Drillable separated layer water injection process pipe column |
| CN110821460B (en) * | 2019-12-10 | 2024-04-19 | 阜新市石油工具厂 | Drillable separated layer water injection process pipe column |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Fuxin City Petroleum Tool Factory Assignor: Fuxin Chiyu Petroleum Machinery Co., Ltd. Contract record no.: 2010210000163 Denomination of utility model: Water-shutoff technique tubular pile of gas injection well Granted publication date: 20080730 License type: Exclusive License Record date: 20100929 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080730 |