CN201679489U - Double-pipe separated injection safety production pipe column - Google Patents
Double-pipe separated injection safety production pipe column Download PDFInfo
- Publication number
- CN201679489U CN201679489U CN2010201037000U CN201020103700U CN201679489U CN 201679489 U CN201679489 U CN 201679489U CN 2010201037000 U CN2010201037000 U CN 2010201037000U CN 201020103700 U CN201020103700 U CN 201020103700U CN 201679489 U CN201679489 U CN 201679489U
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- injection
- packer
- sand control
- pipe
- valve
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Abstract
The utility model relates to a double-pipe separated injection safety production pipe column, comprising a ground control system, a hydraulic control pipeline, an annular safety valve, an annular packer, a positioning injection valve, a sealing plug, a pipe column, an injection safety valve, a layering packer, an injection valve, a plug, a bottom sand filter pipe, an anchor, a sand control packer, a sand control screening pipe, a sand control pipe column, a sleeve pipe column and a water injection pipe column, wherein the upper part of the water injection pipe column is arranged in the sleeve pipe column, and the lower part thereof is arranged in the sand control pipe column which is arranged in the sleeve pipe column; the upper part of the sand control pipe column is provided with a hanging packer, the middle part thereof is provided with the sand control screening pipe and the injection layering packer, and the lower part thereof is provided with the anchor device, the bottom sand filter pipe and the plug; the water injection pipe column is provided with the annular safety valve, the annular packer, the positioning injection valve, the sealing plug, the injection safety valve, the injection layering packer, the injection valve and the plug in sequence; and the annular safety valve and the ground hydraulic control system are connected by a hydraulic control pipeline. The double-pipe separated injection safety production pipe column has the characteristics of convenient and accurate allocation, large separated injection and allocated injection drift diameter, no running and pulling risk, safe production, low shearing, environmental protection and the like and is widely applied in the layered water injection technique of oil exploitation.
Description
One, technical field
The present invention relates to oil exploitation underground water-injection tubing string, particularly a kind of two-tube dispensing safety in production tubing string,
Two, background technology
The stratified injection water technology tubing string is an important process in the oil exploitation, traditional water injection technology tubing string is generally the single tube dispensing, its structure is to install on the single tube water injection string to connect the dispensing instrument, this water injection technology tubing string is being brought into play for oil exploitation always and is being acted on, but this water injection string structure exists following shortcoming or deficiency: 1. layering dispensing is imprecise, the dispensing weak effect; 2. the multi-zone flow regulating amount is inaccurate, and the layering dispensing does not reach requirement; 3. can't ensure its safe dispensing production and environmental requirement for sea one or offshore oil field.
Three, summary of the invention
The purpose of this invention is to provide a kind of two-tube dispensing safety in production tubing string, adopt two-tube independent dispensing structure, dispensing is definite, divides fluence accurate, conforms to maritime safety production and environmental requirement, the shortcoming or the deficiency that overcome effectively or avoid existing in the above-mentioned prior art.
Two-tube dispensing safety in production tubing string of the present invention, a kind of two-tube minute post well safety in production tubing string, comprise ground control system, liquid controling pipe line, annulus safety valve, the annular space packer, the location injection valve, sealing plug, tubing string, inject safety valve, layer separating packer, injection valve, plug, the bottom sand screen, anchor, sand control packer, sand control screen, sand control pipe, casing string and water injection string, water injection string top is installed in the casing string, the bottom is installed in the sand control pipe, and described sand control pipe top is equipped with the sand control packer bottom and is connected with anchoring device.Annulus safety valve, annular space packer, location injection valve, sealing plug, injection safety valve are installed on the water injection string in turn, annotate people's layer separating packer, injection valve and plug, be connected by liquid controling pipe line between annulus safety valve and the ground hydraulic control system.
Wherein, described water injection string is the variable-diameter structure that upper diameter is big, lower diameter is little, top is equipped with annulus safety valve and annular space packer, and the middle part is equipped with sealing plug, injects safety valve, injects layer separating packer, injects safety valve, injection valve, and the lower end is equipped with plug.Described sealing plug bottom is connected with the location injection valve, and annulus safety valve is passed on top.Sand control pipe top is equipped with hanging packer, and the middle part is equipped with sand control screen, sand control packer, and the bottom is equipped with anchoring device and bottom sand screen and plug.
The present invention has following advantage compared with prior art:
1, multi-zone flow regulating is convenient, accurate in well head Ground Control, allotment;
2, dispensing injection allocation latus rectum is big, is fit to big discharge capacity water filling demand;
3, no pulling risk, safety in production;
4, satisfy the low shearing requirement that the layering dispensing is injected polymer;
5, satisfy the dispensing and the environmental requirement of sea or offshore oil field.
Four, description of drawings
Accompanying drawing is a kind of example structure schematic diagram of the present invention
Five, the specific embodiment
Consult accompanying drawing, a kind of two-tube dispensing safety in production tubing string comprises ground control system 1, liquid controling pipe line 2, annulus safety valve 3, annular space packer 4, location injection valve 5, sealing plug 6, tubing string, injection safety valve 7, injects layer separating packer 8, injection valve 9, plug 10, bottom sand screen 11, anchor 12, sand control packer 14, sand control screen 15, sand control pipe 13, casing string 20 and water injection string 19.Water injection string 19 tops are installed in the casing string 20, and the bottom is installed in the sand control pipe 13.Sand control pipe 13 is installed in the casing string 20.Sand control pipe 13 tops are equipped with hanging packer 16, and the bottom is connected with anchoring device 12.Annulus safety valve 3, annular space packer 4, location injection valve 5, sealing plug 6 are installed on the water injection string 19 in turn, inject safety valve 7, annotate people's layer separating packer 8, injection valve 9 and plug 10.Be connected by liquid controling pipe line 2 between annulus safety valve 3 and the ground hydraulic control system 1.
Claims (4)
1. two-tube dispensing safety in production tubing string, comprise ground control system, liquid controling pipe line, annulus safety valve, the annular space packer, the location injection valve, sealing plug, tubing string, inject safety valve, layer separating packer, injection valve, plug, the bottom sand screen, anchor, sand control packer, sand control screen, sand control pipe, casing string and water injection string, it is characterized in that water injection string top is installed in the casing string, the bottom is installed in the sand control pipe, sand control pipe is installed in the casing string, described sand control pipe top is equipped with sand control packer, the bottom is connected with anchoring device, annulus safety valve is installed on the water injection string in turn, the annular space packer, the location injection valve, sealing plug, inject safety valve, annotate people's layer separating packer, be connected by liquid controling pipe line between injection valve and the plug, annulus safety valve and ground hydraulic control system.
2. two-tube dispensing safety in production tubing string according to claim 1, it is characterized in that described water injection string is the variable-diameter structure that upper diameter is big, lower diameter is little, top is equipped with annulus safety valve and annular space packer, the middle part is equipped with sealing plug, injects safety valve, injects layer separating packer, injects safety valve, injection valve, and the lower end is equipped with plug.
3. two-tube dispensing safety in production tubing string according to claim 1 and 2 is characterized in that described sealing plug bottom is connected with the location injection valve, and annulus safety valve is passed on top.
4. two-tube dispensing safety in production tubing string according to claim 1 is characterized in that described sand control pipe top is equipped with hanging packer, and the middle part is equipped with sand control screen, sand control packer, and the bottom is equipped with anchoring device and bottom sand screen and plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201037000U CN201679489U (en) | 2010-01-22 | 2010-01-22 | Double-pipe separated injection safety production pipe column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201037000U CN201679489U (en) | 2010-01-22 | 2010-01-22 | Double-pipe separated injection safety production pipe column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201679489U true CN201679489U (en) | 2010-12-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201037000U Expired - Fee Related CN201679489U (en) | 2010-01-22 | 2010-01-22 | Double-pipe separated injection safety production pipe column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201679489U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102434136A (en) * | 2011-11-10 | 2012-05-02 | 西南石油大学 | Electric pump oil production positive water injection integral pipe column and application method thereof |
| CN104453801A (en) * | 2014-04-29 | 2015-03-25 | 贵州省煤层气页岩气工程技术研究中心 | Composite coal-formed gas reservoir commingling production method and screen pipe special for same |
| CN104948149A (en) * | 2015-07-06 | 2015-09-30 | 东北石油大学 | Multi-media separated injection system suitable for mine field complex oil reservoir |
| CN114482943A (en) * | 2020-10-27 | 2022-05-13 | 中国石油化工股份有限公司 | Layered polymer injection pipe column for layered sand control well and use method |
-
2010
- 2010-01-22 CN CN2010201037000U patent/CN201679489U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102434136A (en) * | 2011-11-10 | 2012-05-02 | 西南石油大学 | Electric pump oil production positive water injection integral pipe column and application method thereof |
| CN104453801A (en) * | 2014-04-29 | 2015-03-25 | 贵州省煤层气页岩气工程技术研究中心 | Composite coal-formed gas reservoir commingling production method and screen pipe special for same |
| CN104948149A (en) * | 2015-07-06 | 2015-09-30 | 东北石油大学 | Multi-media separated injection system suitable for mine field complex oil reservoir |
| CN104948149B (en) * | 2015-07-06 | 2016-06-29 | 东北石油大学 | A kind of multimedium dispensing system suitable in mining site complexity oil reservoir |
| CN114482943A (en) * | 2020-10-27 | 2022-05-13 | 中国石油化工股份有限公司 | Layered polymer injection pipe column for layered sand control well and use method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101222 Termination date: 20120122 |