CN201650167U - Tail pressurizer for sand wash - Google Patents
Tail pressurizer for sand wash Download PDFInfo
- Publication number
- CN201650167U CN201650167U CN2010201527847U CN201020152784U CN201650167U CN 201650167 U CN201650167 U CN 201650167U CN 2010201527847 U CN2010201527847 U CN 2010201527847U CN 201020152784 U CN201020152784 U CN 201020152784U CN 201650167 U CN201650167 U CN 201650167U
- Authority
- CN
- China
- Prior art keywords
- tube
- pipe
- central
- sand washing
- outer tube
- 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 - Fee Related
Links
- 239000004576 sand Substances 0.000 title claims abstract description 33
- 238000005406 washing Methods 0.000 claims description 25
- 238000010276 construction Methods 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 230000000694 effects Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000000875 corresponding Effects 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Abstract
The utility model belongs to the technical field of oil field exploration and development and provides a tail pressurizer for sand wash. The tail pressurizer is mainly characterized by comprising an outer pipe, wherein the outer pipe consists of an upper pipe, a middle pipe and a lower pipe; the outer pipe is internally provided with a spring assembly and a central pipe; one end of the central pipe is provided with a limit ring, while the other end thereof can extend out of the outer pipe; and one end of the spring assembly is fixedly connected with the interior of the outer pipe, while the other end thereof is fixedly connected with the limit ring at the end part of the central pipe. The tail pressurizer not only can reduce the workload and construction difficulty in the sand wash, but also has the advantages of simple structure and convenient use.
Description
Technical field
The utility model belongs to oil field prospecting development technique field, relates to a kind of sand washing afterbody booster, be when oil field oil, well sand washing for improving operating pressure, increase kick and the special-purpose afterbody booster that designs.
Background technology
Along with some oil fields enter the middle and later periods exploitation, sand production in oil is more and more serious, and corresponding oil-water well sand washing operation is more and more frequent, and particularly thick oil thermal extraction often will carry out oil-water well sand washing operation.Existing oil-water well sand washing is adopted in the sand clean out pipe column bottom to add nib or blank tubing sand washing more, because thick oil thermal extraction oil is thick, causes sand washing speed slow behind viscous crude curing and the profile control behind the notes vapour, and weak effect also can take place towards motionless phenomenon sometimes.When this situation occurring, only trip out the sand washing tubing string, be lowered to screw drill and bore the plug operation.So both increased workload, also increased difficulty of construction, influenced the ordinary production of crude oil again, caused the certain economic loss to enterprise.
Summary of the invention
The inventor is in the daily course of work, find that existing oil-water well sand washing process exists above-mentioned defective, through exploring development, technical problem to be solved in the utility model provides a kind of sand washing afterbody booster, the problem that workload is big, difficulty is high in the time of can solving the oil-water well sand washing preferably.
For solving the problems of the technologies described above, technical solution adopted in the utility model is that this sand washing comprises with the afterbody supercharger structure: outer tube, outer tube is by forming by the upper tube, central tube and lower tube three parts that are threaded, the lower tube internal diameter is less than the internal diameter of upper tube and central tube, in outer tube, establish main assemblage of spring and central tube, central tube one end is established spacing ring, the extended outside pipe of the other end, main assemblage of spring one end is fixedlyed connected with outer tube is interior, the other end is fixedlyed connected with the spacing ring of central tube end, and the spacing ring external diameter is greater than the lower tube internal diameter of outer tube.
The cooperate degree of central tube and outer tube when using in order to improve, the lower tube inwall sliding-contact of described central tube outer wall and outer tube.
The utility model is owing to adopt technique scheme and measure, during use, the upper tube of outer tube is installed in the sand clean out pipe column bottom, when oil-water well is carried out sand washing, when run into the sand face solid, when sand washing is hampered because spring action can make central tube keep certain extendable room, and improve operating pressure, the ability of its spurt sand plug is strengthened, work workload and difficulty of construction reduced when the utility model not only can make sand washing, and had advantage simple in structure, easy to use.
Description of drawings
Fig. 1 represents the utility model sand washing afterbody booster broken section overall structure schematic diagram.
The specific embodiment
Reach embodiment in conjunction with the accompanying drawings, further specify the concrete structure characteristics of the utility model sand washing with the afterbody booster.
The utility model sand washing embodiment of afterbody booster, referring to Fig. 1, its structure comprises: outer tube 1, outer tube is by the upper tube 1.1 by being threaded, central tube 1.2 and lower tube 1.3 3 parts are formed, lower tube 1.3 internal diameters are less than the internal diameter of upper tube 1.1 and central tube 1.2, in outer tube 1, establish spring 2 and central tube 3, central tube 3 one ends are established spacing ring 4, lower tube 1.3 outsides of the extended outer tube 1 of the other end, spring 2 one ends are connected with upper tube 1.1 internal fixation of outer tube 1, the other end is fixedlyed connected with the spacing ring 4 of central tube 3 ends, spacing ring 4 external diameters are greater than lower tube 1.3 internal diameters of outer tube 1, thereby assurance central tube 3 moves in outer tube 1 and is unlikely to detach outer tube 1, the lower tube 1.3 inwall sliding-contacts of central tube 3 outer walls and outer tube 1.
During use, the utility model sand washing is installed in the bottom of oil-water well sand washing tubing string (not shown) with the afterbody booster, according to the solid degree of Shamian Island and the complexity of sand washing, spring 2 can make central tube 3 keep certain extendable room, utilize the elastic force effect of spring, Shamian Island becomes looser, helps the oil-water well sand washing, increases work efficiency.
Claims (2)
1. sand washing afterbody booster, comprise outer tube, it is characterized in that: outer tube is by forming by the upper tube, central tube and lower tube three parts that are threaded, the lower tube internal diameter is established main assemblage of spring and central tube less than the internal diameter of upper tube and central tube in outer tube, central tube one end is established spacing ring, the extended outside pipe of the other end, main assemblage of spring one end is fixedlyed connected with outer tube is interior, and the other end is fixedlyed connected with the spacing ring of central tube end, and the spacing ring external diameter is greater than the lower tube internal diameter of outer tube.
2. sand washing afterbody booster as claimed in claim 1 is characterized in that: the lower tube inwall sliding-contact of described central tube outer wall and described outer tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201527847U CN201650167U (en) | 2010-03-31 | 2010-03-31 | Tail pressurizer for sand wash |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201527847U CN201650167U (en) | 2010-03-31 | 2010-03-31 | Tail pressurizer for sand wash |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201650167U true CN201650167U (en) | 2010-11-24 |
Family
ID=43115399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201527847U Expired - Fee Related CN201650167U (en) | 2010-03-31 | 2010-03-31 | Tail pressurizer for sand wash |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201650167U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111206889A (en) * | 2018-11-22 | 2020-05-29 | 中国石油天然气集团有限公司 | Anti-leakage compensation type reverse sand washing device and using method |
| CN111206890A (en) * | 2018-11-22 | 2020-05-29 | 中国石油天然气集团有限公司 | Anti-leakage compensation type reverse circulation positive sand washing device and sand washing method |
-
2010
- 2010-03-31 CN CN2010201527847U patent/CN201650167U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111206889A (en) * | 2018-11-22 | 2020-05-29 | 中国石油天然气集团有限公司 | Anti-leakage compensation type reverse sand washing device and using method |
| CN111206890A (en) * | 2018-11-22 | 2020-05-29 | 中国石油天然气集团有限公司 | Anti-leakage compensation type reverse circulation positive sand washing device and sand washing method |
| CN111206889B (en) * | 2018-11-22 | 2022-03-29 | 中国石油天然气集团有限公司 | Anti-leakage compensation type reverse sand washing device and using method |
| CN111206890B (en) * | 2018-11-22 | 2022-03-29 | 中国石油天然气集团有限公司 | Anti-leakage compensation type reverse circulation positive sand washing device and sand washing 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: 20101124 Termination date: 20120331 |