CN203201537U - Minor-diameter electric-control intelligent pipe column for casing damage oil extracting well - Google Patents
Minor-diameter electric-control intelligent pipe column for casing damage oil extracting well Download PDFInfo
- Publication number
- CN203201537U CN203201537U CN 201320231027 CN201320231027U CN203201537U CN 203201537 U CN203201537 U CN 203201537U CN 201320231027 CN201320231027 CN 201320231027 CN 201320231027 U CN201320231027 U CN 201320231027U CN 203201537 U CN203201537 U CN 203201537U
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- China
- Prior art keywords
- tubing string
- minor
- pipe column
- diameter electric
- packer
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- 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 - Fee Related
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Abstract
A minor-diameter electric-control intelligent pipe column for a casing damage oil extracting well mainly solves the problems that an existing pipe column cannot finely exploit the casing damage oil extracting well and cannot adjust continuously and quantitatively. The minor-diameter electric-control intelligent pipe column for the casing damage oil extracting well is characterized in that a controllable fixed valve oil well pump (2) is communicated at the lower end of an oil pipe column (1), a release connector (3) is connected at the upper end of a production allocation pipe column (4), minor-diameter balance type cable packers (5) are connected to the production allocation pipe column (4), a minor-diameter electric-control production allocator (6) is connected to the production allocation pipe column (4) between the minor-diameter balance type cable packers (5), a pressure sensor is arranged in the minor-diameter electric-control production allocator (6), and the minor-diameter balance type cable packers (5) and the minor-diameter electric-control production allocator (6) are connected with a ground control device (8) through cables. The minor-diameter electric-control intelligent pipe column for the casing damage oil extracting well can finely exploit the casing damage oil extracting well and can adjust continuously and quantitatively.
Description
Technical field
The utility model relates to oil extraction in oil field field cover and decreases the used tubing string of reparation, and especially cover decreases producing well minor diameter electric-controlled intelligent tubing string.
Background technology
In the oil extraction in oil field field, automatically controlled layered bottom-hole regulator technology is mature on the whole, and can satisfy on-the-spot needs, for the meticulous segmentation of oil well end provides effective means.But along with the growth of oil field development and the exploitation time limit, casing damaged well increasing year by year.And existing tubing string affects oil recovery efficiency because reasons in structure exists for cover and decreases the problem that oil well to be repaired and repairing and reinforcement can't realize that but meticulous exploitation and continuous and quantitative are adjusted.
Summary of the invention
Decrease the problem that oil well to be repaired and repairing and reinforcement can't realize that but meticulous exploitation and continuous and quantitative are adjusted in order to solve existing tubing string for cover.The utility model provides a kind of cover to decrease producing well minor diameter electric-controlled intelligent tubing string.But decreasing producing well minor diameter electric-controlled intelligent tubing string, this cover can realize meticulous exploitation and continuous and quantitative adjustment for cover damage oil well to be repaired and repairing and reinforcement.
The technical solution of the utility model is: this cover decreases producing well minor diameter electric-controlled intelligent tubing string and comprises tubing string, oil well pump, back-off sub, joins and produce tubing string, cable-passing packer, automatically controlled production mandrel and packer.Tubing string is externally connected with tubing centrilizer, controlled standing valve oil well pump is communicated with in the tubing string lower end, back-off sub is connected to join produces the tubing string upper end, join product tubing string lower end and be connected with plug, join to produce on the tubing string and be connected with 2 above balanced type cable-passing packers, joining between the minor diameter balance type cable packer produces on the tubing string and is connected with automatically controlled production mandrel, in the automatically controlled production mandrel pressure sensor is arranged, the balanced type cable-passing packer is connected with ground control unit by cable with automatically controlled production mandrel, and joining under the terminal automatically controlled production mandrel produces on the tubing string and be connected with packer.
The utlity model has following beneficial effect: this cover decreases producing well minor diameter electric-controlled intelligent tubing string owing to adopting tubing string to be externally connected with tubing centrilizer, controlled standing valve oil well pump is communicated with in the tubing string lower end, back-off sub is connected to join produces the tubing string upper end, join product tubing string lower end and be connected with plug, join to produce on the tubing string and be connected with 2 above balanced type cable-passing packers, joining between the cable packer produces on the tubing string and is connected with automatically controlled production mandrel, the cable packer is connected with ground control unit by cable with automatically controlled production mandrel, and joining under the terminal automatically controlled production mandrel produced the structure that is connected with packer on the tubing string.But realization is decreased oil well to cover and is realized meticulous exploitation and continuous and quantitative adjustment.But this cover decreases producing well minor diameter electric-controlled intelligent tubing string and can realize meticulous exploitation and continuous and quantitative adjustment for cover damage oil well to be repaired and repairing and reinforcement thus.
Description of drawings
Accompanying drawing 1 is structural representation of the present utility model.
1-tubing string among the figure, the 2-oil well pump, the 3-back-off sub, 4-joins the product tubing string, 5-cable-passing packer, the automatically controlled production mandrel of 6-, 7-packer, 8-ground control unit.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
By shown in Figure 1, this cover decreases producing well minor diameter electric-controlled intelligent tubing string and comprises tubing string 1, oil well pump 2, back-off sub 3, joins and produce tubing string 4, cable-passing packer 5, automatically controlled production mandrel 6 and packer 7.Tubing string 1 is externally connected with tubing centrilizer, controlled standing valve oil well pump 2 is communicated with in tubing string 1 lower end, back-off sub 3 is connected to join produces tubing string 4 upper ends, join product tubing string 4 lower ends and be connected with plug, join to produce on the tubing string 4 and be connected with 2 above balanced type cable-passing packers 5, joining between the minor diameter balance type cable packer 5 produces on the tubing string 4 and is connected with automatically controlled production mandrel 6, in the automatically controlled production mandrel 6 pressure sensor is arranged, balanced type cable-passing packer 5 is connected with ground control unit 8 by cable with automatically controlled production mandrel 6, and joining under the terminal automatically controlled production mandrel 6 produces on the tubing string 4 and be connected with packer 7.It mainly is to rely on balanced type cable-passing packer 5 to separate oil reservoir that this cover decreases producing well minor diameter electric-controlled intelligent tubing string, adopts automatically controlled production mandrel 6 to realize regulating multi-zone production rate.Motor positive and inverse by the automatically controlled production mandrel 6 under upper ground surface control device 8 control wells of ground, thereby the switching of control equivalent layer position valve, realize that the continuous and quantitative of corresponding pay interval passage regulates, because in the electronic production mandrel pressure sensor being housed, hierarchical monitor strata pressure constantly.
During actual the use; this cover decreases producing well minor diameter electric-controlled intelligent tubing string at first with plug and automatically controlled production mandrel 6; balanced type cable-passing packer 5 connects step by step G.I.H; then be lowered to back-off sub 3; tubing string 1 on controlled standing valve oil well pump 2 and the pump; instrument cable connection request sealed insulations at different levels are reliable; cross the major diameter positions such as oil pipe hoop and will install electric cable protector additional; full well casing post fills well head after desired depth; pressurize in oil pipe with pump truck; boost to gradually the 15-18 MPa from the 5-10 MPa, step by step behind the releasing tool, lower sucker rod is at the bottom of the pump; after closing standing valve; go into operation, with host computer connecting downhole cable, carry out switching layer position and pressure measurement on ground.
This cover decreases producing well minor diameter electric-controlled intelligent tubing string successfully 4 mouthfuls of aboveground experiments, has reached Expected Results.On average fall 21.5 tons of liquid individual well day, oil production is basicly stable, water cut decreases 1.35 percentage points, the average flow drops 0.66 MPa, seen preferably effect.
Claims (1)
1. a cover decreases producing well minor diameter electric-controlled intelligent tubing string, comprise tubing string (1), oil well pump (2), back-off sub (3), join and produce tubing string (4), cable-passing packer (5), automatically controlled production mandrel (6) and packer (7), it is characterized in that: tubing string (1) is externally connected with tubing centrilizer, controlled standing valve oil well pump (2) is communicated with in tubing string (1) lower end, back-off sub (3) is connected to join produces tubing string (4) upper end, join product tubing string (4) lower end and be connected with plug, join to produce on the tubing string (4) and be connected with 2 above balanced type cable-passing packers (5), joining between the minor diameter balance type cable packer (5) produces on the tubing string (4) and is connected with automatically controlled production mandrel (6), automatically controlled production mandrel has pressure sensor in (6), balanced type cable-passing packer (5) is connected with ground control unit (8) by cable with automatically controlled production mandrel (6), and joining under the terminal automatically controlled production mandrel (6) produces on the tubing string (4) and be connected with packer (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320231027 CN203201537U (en) | 2013-05-02 | 2013-05-02 | Minor-diameter electric-control intelligent pipe column for casing damage oil extracting well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320231027 CN203201537U (en) | 2013-05-02 | 2013-05-02 | Minor-diameter electric-control intelligent pipe column for casing damage oil extracting well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203201537U true CN203201537U (en) | 2013-09-18 |
Family
ID=49145652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320231027 Expired - Fee Related CN203201537U (en) | 2013-05-02 | 2013-05-02 | Minor-diameter electric-control intelligent pipe column for casing damage oil extracting well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203201537U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104975824A (en) * | 2015-07-06 | 2015-10-14 | 中国石油化工股份有限公司 | Oil recovery method for casing leaked well and dual-tubing oil recovery string adopted therein |
| CN112832724A (en) * | 2021-01-06 | 2021-05-25 | 中国石油天然气股份有限公司 | Drainage and production integrated tubular column capable of intelligently controlling pressure of shaft and use method of drainage and production integrated tubular column |
-
2013
- 2013-05-02 CN CN 201320231027 patent/CN203201537U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104975824A (en) * | 2015-07-06 | 2015-10-14 | 中国石油化工股份有限公司 | Oil recovery method for casing leaked well and dual-tubing oil recovery string adopted therein |
| CN112832724A (en) * | 2021-01-06 | 2021-05-25 | 中国石油天然气股份有限公司 | Drainage and production integrated tubular column capable of intelligently controlling pressure of shaft and use method of drainage and production integrated tubular column |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130918 |