CN2714802Y - Integrative sand prevention and vapor injection compensator - Google Patents
Integrative sand prevention and vapor injection compensator Download PDFInfo
- Publication number
- CN2714802Y CN2714802Y CN 200420067393 CN200420067393U CN2714802Y CN 2714802 Y CN2714802 Y CN 2714802Y CN 200420067393 CN200420067393 CN 200420067393 CN 200420067393 U CN200420067393 U CN 200420067393U CN 2714802 Y CN2714802 Y CN 2714802Y
- Authority
- CN
- China
- Prior art keywords
- seal
- guide head
- seal chamber
- vapour
- elevated
- 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.)
- Expired - Lifetime
Links
- 239000004576 sand Substances 0.000 title claims abstract description 26
- 238000002347 injection Methods 0.000 title abstract 6
- 239000007924 injection Substances 0.000 title abstract 6
- 230000002265 prevention Effects 0.000 title abstract 5
- 230000007797 corrosion Effects 0.000 claims description 5
- 238000005260 corrosion Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 9
- 239000003129 oil well Substances 0.000 abstract description 5
- 230000007246 mechanism Effects 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract 1
- 230000010354 integration Effects 0.000 abstract 1
- 238000010793 Steam injection (oil industry) Methods 0.000 description 11
- 239000000295 fuel oil Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 238000005316 response function Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
The utility model provides an integrative sand prevention and vapor injection compensator for sand prevention and vapor injection for a thick oil well, comprising a packer, a seal chamber, a high temperature sealing element, a seal pressure ring, a filling mechanism, an upper contact, a compensation main body and a guide head. The utility model can realize the integration of the sand prevention and vapor injection, increase the vapor injection efficiency, protect a casing, and reduce the construction process of the sand prevention and vapor injection for the thick oil well.
Description
One, technical field:
The utility model relates to a kind of heavy oil wells thermal recovery and annotates the vapour instrument, and particularly a kind of sand control is annotated the integrated expansion loop of vapour.
Two, background technology:
At present behind the heavy oil wells sand control; the lead seal pack off device seals oil layer section sand control pipe and sleeve pipe annular space filling gravel sand body under the general employing earlier; band is annotated the vapour packer and is annotated vapour with the steam injection string of annotating the vapour expansion loop down again; not only measure complexity of above-mentioned technology; and in steam injection process; because casing section directly contacts between the high-temperature vapor that injects and lead seal pack off device and the notes vapour packer; the injury sleeve pipe; and cause a large amount of heat-energy losses; the purpose of this utility model just is to provide a kind of instrument, and sand-preventing process and steam injection technology is integrated, reduces the heavy oil wells sand control and annotates the vapour working procedure; protective casing reduces and annotates the vapour heat-energy losses.
Three, summary of the invention:
The purpose of this utility model is that proposing to satisfy sand control annotates the incorporate a kind of instrument of vapour, and this instrument can be simplified the heavy oil wells sand control and annotate the vapour working procedure, reduces and annotates the vapour cost, improves the heavy oil wells development benefit.
The purpose of this utility model is achieved through the following technical solutions:
Sand control is annotated the integrated expansion loop of vapour and mainly is made up of packer, seal chamber, elevated-temperature seal part, seal joint, filling body, top connection, compensated corpus, guide head.Packer is positioned at the seal chamber upper end and is connected with seal chamber by screw thread, filling body is positioned at the seal chamber lower end and is connected with seal chamber by screw thread, have annular seal space in described seal chamber inboard, one group of elevated-temperature seal part that is positioned at annular seal space, described elevated-temperature seal part is by having certain elasticity, toughness and durothermic material are made, one with the seal joint of described seal chamber lower end by screwed connection, top connection is connected with the steam injection string bottom by screw thread, the top connection lower end is connected with compensated corpus, described compensated corpus external surface is through specially treated, has higher fineness, hardness and corrosion resistance, described compensated corpus lower end is connected with guide head, described guide head axially has one at least and annotates steam vent, and described guide head front end has certain tapering.Above-mentioned packer, seal chamber, the elevated-temperature seal part, seal joint and filling body are formed hermetic unit, hermetic unit is lowered in the oil well with sand control pipe when sand control, above-mentioned top connection, compensated corpus and guide head are formed the slip compensated part, the slip compensated part is connected the steam injection string bottom and is lowered in the oil well with steam injection string and inserts hermetic unit before annotating vapour, when annotating vapour, high-temperature vapor is via steam injection string, the slip compensated part, anti-sandpipe, the filling sand body enters oil reservoir, the elongation of steam injection string expanded by heating, the slip compensated part can be free to slide in hermetic unit, and guarantees positiver sealing by the elevated-temperature seal part.
Four, description of drawings:
Accompanying drawing is the structural representation that partly cuts open of the present utility model.
In the accompanying drawing, the 1st, packer, the 2nd, seal chamber, the 3rd, elevated-temperature seal part, the 4th, seal joint, the 5th, filling body, the 6th, top connection, the 7th, compensated corpus, the 8th, guide head.
Shown in accompanying drawing, the sand control of present embodiment is annotated the integrated expansion loop of vapour and is comprised a seal chamber 2, one group of elevated-temperature seal part 3 is arranged in the inboard of seal chamber 2, described elevated-temperature seal part 3 is by having certain elasticity, toughness and durothermic material are made, packer 1 is positioned at seal chamber 2 upper ends and is connected with seal chamber 2 by screw thread, described seal chamber 2 links to each other with seal joint 4 by screw thread, filling body 5 is positioned at seal chamber 2 lower ends and is connected with seal chamber 2 by screw thread, a top connection 6, described top connection 6 lower ends link to each other with compensated corpus 7 by screw thread, described compensated corpus 7 external surfaces are through specially treated, has higher fineness, hardness and corrosion resistance, described compensated corpus 7 lower ends link to each other with guide head 8 by screw thread, described guide head 8 axially has one at least and annotates steam vent, and described guide head 8 front ends have certain tapering.
Five, the specific embodiment:
Consult accompanying drawing, the sand control of present embodiment is annotated the integrated expansion loop of vapour and is comprised a seal chamber 2, one group of elevated-temperature seal part 3 is arranged in the inboard of seal chamber 2, described elevated-temperature seal part 3 is by having certain elasticity, toughness and durothermic material are made, packer 1 is positioned at seal chamber 2 upper ends and is connected with seal chamber 2 by screw thread, described seal chamber 2 links to each other with seal joint 4 by screw thread, filling body 5 is positioned at seal chamber 2 lower ends and is connected with seal chamber 2 by screw thread, a top connection 6, described top connection 6 lower ends link to each other with compensated corpus 7 by screw thread, described compensated corpus 7 external surfaces are through specially treated, has higher fineness, hardness and corrosion resistance, described compensated corpus 7 lower ends link to each other with guide head 8 by screw thread, described guide head 8 axially has one at least and annotates steam vent, and described guide head 8 front ends have certain tapering.
Packer 1 can adopt the device of existing response function in the present embodiment, the packer that adapts most with present embodiment is disclosed in ZL No. 99221426.2, in the utility model patent of " multistage locking of downhole tool and relieving mechanism " by name, this patent has been done detailed explanation to the operating principle and the working method of this mechanism.
Filling body 5 also can adopt the device of existing response function in the present embodiment, it is 032760094 that the filling body that adapts most with present embodiment is disclosed in application number, in the mandate utility model patent of " a kind of filling body " by name, this granted patent has been done detailed explanation to the operating principle and the working method of this mechanism.
Here only just relevant with the utility model working method describes.
Annotate in the vapour operation process in sand control, with packer in the present embodiment 1, seal chamber 2, elevated-temperature seal part 3, the hermetic unit that seal joint 4 and filling body 5 formed with sand control pipe behind the precalculated position, carry out sand control treatment, after operation is finished, sealing fractionation well, before annotating vapour, with top connection 6, the screwed connection of the slip compensated part that compensated corpus 7 and guide head 8 formed by top connection 6 is lowered in the oil well in the steam injection string bottom with steam injection string and inserts hermetic unit, steam injection string expanded by heating when annotating vapour, the slip compensated part is free to slide in hermetic unit, and guarantees positiver sealing by elevated-temperature seal part 3.
The foregoing description of the present utility model only is for the utility model example clearly is described, and is not to be restriction to embodiment of the present utility model.For those of ordinary skill in the field, obviously can make other changes in different forms on the basis of the above description, need not also can't give exhaustive here all embodiments.And these conspicuous variations or change still are among the protection domain of the present utility model.
Claims (4)
1, sand control is annotated the integrated expansion loop of vapour by packer, seal chamber, the elevated-temperature seal part, seal joint, filling body, top connection, compensated corpus, guide head is formed, it is characterized in that having a seal chamber, one group of elevated-temperature seal part is arranged in the inboard of described seal chamber, described elevated-temperature seal part is by having certain elasticity, toughness and durothermic material are made, a packer is fixed on described seal chamber upper end, described seal chamber lower end links to each other with seal joint by screw thread, a filling body is fixed on described seal chamber lower end, a top connection, described top connection lower end links to each other with compensated corpus by screw thread, described compensated corpus external surface is through specially treated, has higher fineness, hardness and corrosion resistance, described compensated corpus lower end links to each other with guide head by screw thread, described guide head axially has one at least and annotates steam vent, and described guide head front end has certain tapering.
2, sand control according to claim 1 is annotated the integrated expansion loop of vapour, it is characterized in that described elevated-temperature seal part makes by having certain elasticity, toughness and durothermic material.
3, sand control according to claim 1 is annotated the integrated expansion loop of vapour, it is characterized in that described compensated corpus external surface has higher fineness, hardness and corrosion resistance.
4, sand control according to claim 1 is annotated the integrated expansion loop of vapour, it is characterized in that described guide head axially has one at least and annotates steam vent, and described guide head front end has certain tapering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420067393 CN2714802Y (en) | 2004-06-08 | 2004-06-08 | Integrative sand prevention and vapor injection compensator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420067393 CN2714802Y (en) | 2004-06-08 | 2004-06-08 | Integrative sand prevention and vapor injection compensator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2714802Y true CN2714802Y (en) | 2005-08-03 |
Family
ID=34873648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420067393 Expired - Lifetime CN2714802Y (en) | 2004-06-08 | 2004-06-08 | Integrative sand prevention and vapor injection compensator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2714802Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104110231A (en) * | 2013-04-22 | 2014-10-22 | 中国石油化工股份有限公司 | Energy-saving packing device for heavy oil thermal recovery |
| CN106555574A (en) * | 2015-09-25 | 2017-04-05 | 中国石油化工股份有限公司 | Sand control, steam injection integrated apparatus and method |
| CN111472737A (en) * | 2019-01-24 | 2020-07-31 | 中国石油化工股份有限公司 | Layered steam injection pipe column and method for layered filling sand control well |
-
2004
- 2004-06-08 CN CN 200420067393 patent/CN2714802Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104110231A (en) * | 2013-04-22 | 2014-10-22 | 中国石油化工股份有限公司 | Energy-saving packing device for heavy oil thermal recovery |
| CN106555574A (en) * | 2015-09-25 | 2017-04-05 | 中国石油化工股份有限公司 | Sand control, steam injection integrated apparatus and method |
| CN106555574B (en) * | 2015-09-25 | 2022-12-27 | 中国石油化工股份有限公司 | Sand prevention and steam injection integrated device and method |
| CN111472737A (en) * | 2019-01-24 | 2020-07-31 | 中国石油化工股份有限公司 | Layered steam injection pipe column and method for layered filling sand control well |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANDONG PURUISITE PETRO-TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: FENG YONGSHENG Effective date: 20090821 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090821 Address after: South of No. three, south of Shengli Industrial Park, Shandong, Dongying Province, postcode: 257063 Patentee after: Shandong Puruiside Petroleum Technology Co., Ltd. Address before: The source of the village north Puruisi Xia Zhuang Town Chengyang District Qingdao City Tak Technology Co. Ltd., zip code: 266107 Patentee before: Feng Yongsheng |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140608 Granted publication date: 20050803 |