CN106194099A - Gas control downhole packer - Google Patents
Gas control downhole packer Download PDFInfo
- Publication number
- CN106194099A CN106194099A CN201610587043.3A CN201610587043A CN106194099A CN 106194099 A CN106194099 A CN 106194099A CN 201610587043 A CN201610587043 A CN 201610587043A CN 106194099 A CN106194099 A CN 106194099A
- Authority
- CN
- China
- Prior art keywords
- main body
- pneumatic
- sleeve gasket
- gas control
- pneumatic line
- 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.)
- Pending
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/12—Packers; Plugs
- E21B33/126—Packers; Plugs with fluid-pressure-operated elastic cup or skirt
Abstract
A kind of gas control downhole packer, oil pipe top connection is connected with upper tubing nipple, and upper tubing nipple lower end is connected with main body upper end inner circumferential, and main body lower end inner circumferential is connected with lower tubing nipple upper end, and lower tubing nipple lower end is connected with lower oil connection；Upper sleeve gasket is connected with periphery, main body upper end, lower sleeve gasket is connected with main body lower end periphery, two piston bush each coordinated it are provided with sealing shroud and main body slipper seal between upper sleeve gasket and lower sleeve gasket, between piston bush, it is provided with two packing elements, between two packing elements, is provided with a spacer ring；It is provided with a pneumatic tubes string holes at the middle part of body side wall thickness, in pneumatic tubes string holes, is provided with pneumatic line, be provided with the pneumatic line seal nipple sealed with pneumatic line at the two ends of pneumatic tubes string holes；Main body be provided with on corresponding pneumatic line one with the air inlet connected at piston bush inner face.The present invention sets and unseals convenient and swift safety.
Description
Technical field
The present invention relates to oilfield technology development field, specifically a kind of gas control downhole packer.
Background technology
Current downhole packer is all hydraulic control, when packer setting be by ground to highly pressurised liquid distending packing
Device sets, and needs pressure release to unseal when well workover need to propose packer, owing to there being the fluid column of upper km to press in tubing string
Intracavity in packer, although the pressure release passage in the oriented sleeve pipe of packer, but the fluid column in sleeve pipe almost with the liquid in tubing string
Post is equal, and pressure release is extremely difficult, and venting duration is the longest, has a strong impact on well workover speed, if oil well repairing, can only firmly pull out packing
Device, causes and pulls out bad packer or break tubing string, cause workover, causes serious economic loss to oil field.
Summary of the invention
It is an object of the invention to provide a kind of gas control downhole packer, overcome the defect that the above prior art exists.
The technical scheme is that and be accomplished by:
The present invention include oil pipe top connection, tubing nipple, pneumatic line seal nipple, piston bush, sealing shroud, sealing ring,
Main body, packing element, spacer ring, air inlet, pneumatic line and oil pipe lower contact, it is characterised in that: oil pipe top connection with oil
Pipe pipe nipple threaded upper ends is connected, and upper tubing nipple lower end is connected with main body upper end inner circumferential screw thread, main body lower end inner circumferential and lower oil pipe
Pipe nipple threaded upper ends is connected, and lower tubing nipple lower end is connected with lower oil connection screw thread；Upper sleeve gasket and periphery, main body upper end spiral shell
Stricture of vagina is connected, and lower sleeve gasket is connected with main body lower end periphery screw thread, be provided with between upper sleeve gasket and lower sleeve gasket symmetry and outward
Hold the upper and lower piston bush that relative two each coordinate with upper and lower sealing shroud and main body slipper seal, upper and lower piston bush it
Between be provided with two packing elements, between two packing elements, be provided with a spacer ring, spacer ring is connected with main body screw；Leading
The middle part of body one side thickness is provided with a pneumatic tubes string holes, is provided with from ground high-pressure air source along tubing string in pneumatic tubes string holes
Draw the pneumatic line got off, be provided with the pneumatic line seal nipple sealed with pneumatic line at the two ends of pneumatic tubes string holes；Leading
Body be provided with corresponding pneumatic line one with the air inlet connected at piston bush inner face.
Described main body is set to cylinder, and longitudinal direction is communicated with hole, and periphery, two ends is provided with male thread, and inner circumferential is provided with female spiral shell
Stricture of vagina, is provided with the side thickness wall thickness more than opposite side of pneumatic tubes string holes, is provided with box thread in the pneumatic tubes string holes at two ends.
Affiliated upper and lower two symmetrical sealing shrouds are set to cylinder, and one end is provided with box thread, and other end internal diameter is provided with expanding
Section, the internal diameter between expanding step and box thread is provided with sealing ring.
The piston bush of affiliated upper and lower symmetry is set to cylinder, and the lower diameter of piston bush is more than upper diameter, in top
Periphery is provided with sealing ring, and lower surface is provided with the horn mouth that big mouth is outside.
The invention have the advantages that
1, gas control downhole packer sets and unseals conveniently, as long as ground high-pressure air source gives full-amount constant-pressure, gas control down-hole
Packer sets the most smoothly, as long as opening the vent valve gas control downhole packer deblocking the most smoothly of pneumatic line on ground, fast
Safety.
2, pneumatic line according to oil well pipe design needs can concatenate multiple gas control down-holes packer, simultaneously
Multiple gas control downhole packers are controlled.
Accompanying drawing explanation
The structural representation of Fig. 1-present invention
1-oil feeding pipe joint, the upper tubing nipple of 2-, 3-pneumatic line seal nipple, 4-upper piston set, the upper sealing of 5-in figure
Oil connection under set, 6-sealing ring, 7-main body, 8-packing element, 9-spacer ring, 10-air inlet, 11-pneumatic line, 12-,
Tubing nipple under 13-lower piston set, 14-lower sleeve gasket, 15-.
Detailed description of the invention
For the openest technical scheme, elaborated by embodiment below in conjunction with Figure of description:
The present invention includes oil pipe top connection (01), tubing nipple (02), pneumatic line seal nipple (03), upper piston set
(04), upper sleeve gasket (05), sealing ring (06), main body (07), packing element (08), spacer ring (09), air inlet (10), gas control
Pipeline (11), oil pipe lower contact (12), lower piston set (13), lower sleeve gasket (14) and lower tubing nipple (15), it is characterised in that:
Oil pipe top connection is connected with upper tubing nipple threaded upper ends, and upper tubing nipple lower end is connected with main body upper end inner circumferential screw thread, main body
Lower end inner circumferential is connected with lower tubing nipple threaded upper ends, and lower tubing nipple lower end is connected with lower oil connection screw thread；Upper sleeve gasket
Being connected with periphery, main body upper end screw thread, lower sleeve gasket is connected with main body lower end periphery screw thread, in upper sleeve gasket and lower sleeve gasket
That be provided with symmetry between week and that outer end is relative two upper and lower pistons each coordinated with upper-lower seal set and main body slipper seal
Set, is provided with two packing elements between upper and lower piston bush, is provided with a spacer ring, spacer ring between two packing elements
It is connected with main body screw；It is provided with a pneumatic tubes string holes at the middle part of body side wall thickness, is provided with from ground in pneumatic tubes string holes
Face high-pressure air source draws the pneumatic line got off along tubing string, is provided with the gas control sealed with pneumatic line at the two ends of pneumatic tubes string holes
Pipeline seal nipple；Main body be provided with on corresponding pneumatic line one with the air inlet connected at piston bush inner face.
In actual applications, one or two gas control downhole packer and pneumatic line are serially connected in water injection string or oil recovery
On tubing string, with the setting position at the bottom of tubing string lower going-into-well, pneumatic line end is loaded onto plug.From ground, high-pressure air source is passed through
Pneumatic line is supplied gas to two gas control downhole packers, starts to set, and passes through oil pipe and sleeve pipe respectively to two gas controls after setting
Downhole packer tests envelope, by carrying out the operation work of oil well or well after testing sealing lattice.During if desired for oil-water well operation, by ground
Vent valve on the pneumatic line in face is opened, and is put by gas one, the just deblocking of gas control downhole packer, starts to carry tubing string or water pipe
Post operation.Gas control downhole packer sets and unseals conveniently, as long as ground high-pressure air source gives full-amount constant-pressure, gas control downhole packing
Device sets the most smoothly, as long as opening the vent valve gas control downhole packer deblocking the most smoothly of pneumatic line on ground.
Claims (4)
1. a gas control downhole packer, including oil pipe top connection (01), tubing nipple (02), pneumatic line seal nipple
(03), upper piston set (04), upper sleeve gasket (05), sealing ring (06), main body (07), packing element (08), spacer ring (09), enter
Pore (10), pneumatic line (11), oil pipe lower contact (12), lower piston set (13), lower sleeve gasket (14) and lower tubing nipple
(15), it is characterised in that: oil pipe top connection is connected with upper tubing nipple threaded upper ends, in upper tubing nipple lower end and main body upper end
Week, screw thread was connected, and main body lower end inner circumferential is connected with lower tubing nipple threaded upper ends, lower tubing nipple lower end and lower oil connection spiral shell
Stricture of vagina is connected；Upper sleeve gasket is connected with periphery, main body upper end screw thread, and lower sleeve gasket is connected with main body lower end periphery screw thread, in upper sealing
Overlap be provided with between lower sleeve gasket inner circumferential symmetry and outer end is relative two each overlap and main body slipper seal with upper-lower seal
The upper and lower piston bush coordinated, is provided with two packing elements between upper and lower piston bush, sets between two packing elements
Having a spacer ring, spacer ring is connected with main body screw；A pneumatic tubes string holes it is provided with, in pneumatic tubes at the middle part of body side wall thickness
It is provided with in string holes and draws, from ground high-pressure air source, the pneumatic line got off along tubing string, be provided with and gas control at the two ends of pneumatic tubes string holes
The pneumatic line seal nipple that pipeline seals；Connect at piston bush inner face with being provided with one on corresponding pneumatic line in main body
Logical air inlet.
Gas control downhole packer the most according to claim 1, it is characterised in that: described main body (07) is set to cylinder, vertical
Upwards being communicated with hole, periphery, two ends is provided with male thread, and inner circumferential is provided with box thread, and the side thickness being provided with pneumatic tubes string holes is more than
The wall thickness of opposite side, is provided with box thread in the pneumatic tubes string holes at two ends.
Gas control downhole packer the most according to claim 1, it is characterised in that: affiliated upper and lower two symmetrical sealing shrouds
(05), (14) be set to cylinder, one end is provided with box thread, and other end internal diameter is provided with extension diameter section, expanding step and box thread it
Between internal diameter be provided with sealing ring (05).
Gas control downhole packer the most according to claim 1, it is characterised in that: the piston bush (04) of affiliated upper and lower symmetry,
(13) being set to cylinder, the lower diameter of piston bush is more than upper diameter, and in top, periphery is provided with sealing ring (06) lower surface
It is provided with the horn mouth that big mouth is outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610587043.3A CN106194099A (en) | 2016-07-17 | 2016-07-17 | Gas control downhole packer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610587043.3A CN106194099A (en) | 2016-07-17 | 2016-07-17 | Gas control downhole packer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106194099A true CN106194099A (en) | 2016-12-07 |
Family
ID=57491546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610587043.3A Pending CN106194099A (en) | 2016-07-17 | 2016-07-17 | Gas control downhole packer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106194099A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107227945A (en) * | 2017-08-11 | 2017-10-03 | 付吉平 | Gas well separate zone production, control, the intelligent controlling device of test and control method |
| CN107435527A (en) * | 2017-07-07 | 2017-12-05 | 中石化石油工程技术服务有限公司 | A kind of thin interlayer anti-channeling well cementing operation method |
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| CN202202838U (en) * | 2011-06-09 | 2012-04-25 | 中国石油化工股份有限公司 | A hydraulic packer |
| CN203223207U (en) * | 2013-05-07 | 2013-10-02 | 中国石油化工股份有限公司 | Gas-liquid joint control subsurface safety valve device |
| WO2014110382A1 (en) * | 2013-01-11 | 2014-07-17 | Schlumberger Canada Limited | Wellbore annular safety valve and method |
| CN104695892A (en) * | 2013-12-09 | 2015-06-10 | 中国石油化工股份有限公司 | Independent hydraulic control compression packer |
| CN204877368U (en) * | 2015-08-07 | 2015-12-16 | 中国石油化工股份有限公司 | Four packing element packers of balanced type double -piston liquid accuse compression |
| CN105507861A (en) * | 2016-01-06 | 2016-04-20 | 李永立 | Tubular column for separated layer water injection |
| US20160168971A1 (en) * | 2009-05-27 | 2016-06-16 | Meta Downhole Limited | Active External Casing Packer (ECP) For Frac Operations In Oil And Gas Wells |
| CN205977166U (en) * | 2016-07-17 | 2017-02-22 | 李梦瑶 | Packer is in pit controlled to gas |
-
2016
- 2016-07-17 CN CN201610587043.3A patent/CN106194099A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160168971A1 (en) * | 2009-05-27 | 2016-06-16 | Meta Downhole Limited | Active External Casing Packer (ECP) For Frac Operations In Oil And Gas Wells |
| CN202202838U (en) * | 2011-06-09 | 2012-04-25 | 中国石油化工股份有限公司 | A hydraulic packer |
| WO2014110382A1 (en) * | 2013-01-11 | 2014-07-17 | Schlumberger Canada Limited | Wellbore annular safety valve and method |
| CN203223207U (en) * | 2013-05-07 | 2013-10-02 | 中国石油化工股份有限公司 | Gas-liquid joint control subsurface safety valve device |
| CN104695892A (en) * | 2013-12-09 | 2015-06-10 | 中国石油化工股份有限公司 | Independent hydraulic control compression packer |
| CN204877368U (en) * | 2015-08-07 | 2015-12-16 | 中国石油化工股份有限公司 | Four packing element packers of balanced type double -piston liquid accuse compression |
| CN105507861A (en) * | 2016-01-06 | 2016-04-20 | 李永立 | Tubular column for separated layer water injection |
| CN205977166U (en) * | 2016-07-17 | 2017-02-22 | 李梦瑶 | Packer is in pit controlled to gas |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107435527A (en) * | 2017-07-07 | 2017-12-05 | 中石化石油工程技术服务有限公司 | A kind of thin interlayer anti-channeling well cementing operation method |
| CN107435527B (en) * | 2017-07-07 | 2019-08-27 | 中石化石油工程技术服务有限公司 | A kind of thin interlayer anti-channeling well cementing operation method |
| CN107227945A (en) * | 2017-08-11 | 2017-10-03 | 付吉平 | Gas well separate zone production, control, the intelligent controlling device of test and control method |
| CN107227945B (en) * | 2017-08-11 | 2019-12-10 | 东营市鑫吉石油技术有限公司 | Intelligent control device and control method for gas well layered mining, control and test |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Mengyao Inventor after: Sun Zhaobin Inventor after: Wang Yifeng Inventor after: He Xiaojun Inventor after: Fu Jiping Inventor before: Li Mengyao Inventor before: Sun Zhaobin Inventor before: He Xiaojun Inventor before: Fu Jiping |
|
| COR | Change of bibliographic data | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Mengyao Inventor after: Sun Zhaobin Inventor after: Wang Yifeng Inventor after: He Xiaojun Inventor after: Jia Cunying Inventor after: Yang Wei Inventor after: Zhou Zhiyue Inventor after: Fu Jiping Inventor before: Li Mengyao Inventor before: Sun Zhaobin Inventor before: Wang Yifeng Inventor before: He Xiaojun Inventor before: Fu Jiping |
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| CB03 | Change of inventor or designer information | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161207 |
|
| WD01 | Invention patent application deemed withdrawn after publication |