CN101016831A - Online wax removal technique for petroleum single well pipeline and device thereof - Google Patents
Online wax removal technique for petroleum single well pipeline and device thereof Download PDFInfo
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- CN101016831A CN101016831A CN 200710056896 CN200710056896A CN101016831A CN 101016831 A CN101016831 A CN 101016831A CN 200710056896 CN200710056896 CN 200710056896 CN 200710056896 A CN200710056896 A CN 200710056896A CN 101016831 A CN101016831 A CN 101016831A
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Abstract
The invention relates to an oil single-well tube online wax removal technique and a relative device, wherein one end of the tube is connected with a special service device which contains a ball valve corn, the wax-removal ball is arranged in the ball valve corn which can rotate via rotating a handle, the lower end of the service device is connected with an oil inlet tube whose another end is divided into two paths while one path is connected with two receiving valves with a sealed receiving cylinder connected at the middle and another path is connected with a bypass valve. When closes the bypass valve and opens the receiving valve, and rotates the handle, the wax-removal ball will release from the ball valve corn and fall into the tube, and the oil enters into the tube from the oil inlet tube to push forwards the wax-removal ball, and scrape the wax and foreign materials on the tube wall, at last fall into the receiving cylinder, and the oil is discharged from the receiving valve, then closes two receiving valves and opens the bypass valve, to flow out the oil from the bypass valve. The invention has simple structure, low cost, online wax removal property and high efficiency or the like.
Description
Technical field
The invention belongs to oil country tubular good dewaxing method and device, particularly relate to a kind of online wax removal technique for petroleum single well pipeline and device thereof.
Background technology
As everyone knows, at present, recovering the oil and collecting in the defeated process, because the characteristic of crude oil will be separated out the part wax in course of conveying and impurity sticks on the tube wall, thereby cause wellhead back pressure excessive, the oil pumper overload operation, energy consumption increases, even paraffin blockage to occur and cause stopping production, existing dewaxing method be to utilize heating furnace that crude oil is heated, thereby need consume a large amount of natural gases, cause the waste of the energy, simultaneously, the investment of heating furnace is also higher; Also having a kind of method is that regular heat is washed pipeline, but needs boiler car, has increased auxiliary equipment, has improved cost, and last two kinds of washing oil methods that main is all need to stop the well operation so and influence oil well yield.
Summary of the invention
The present invention provides a kind of well that need not stop can online wax removal online wax removal technique for petroleum single well pipeline and device thereof simultaneously simple in structure for solving the technical problem that exists in the known technology.
The technical scheme that the present invention takes for the technical problem that exists in the solution known technology is:
Online wax removal technique for petroleum single well pipeline, it is characterized in that: be connected the special-purpose ball serving device 3 that is placed with wax ball clearing 2 with bolt, have oil-in in the lower end of ball serving device 3 and be connected by flange with oil inlet pipe 4 at an end of pipeline 1, the other end of pipeline 1 is divided into two branches, be fixed with in the branch and receive Ball valve 5 and receive Ball valve 6, in the center fixed of receiving Ball valve 5 and receipts Ball valve 6 ball collecting chamber 7 is arranged, be fixed with bypass valve 8 in another branch;
Special-purpose ball serving device, it comprises valve body 11,12, bolt 13 and the handle 14 that has endoporus and flange, it is characterized in that: the center fixed at valve body 11,12 has a ball valve core 16 with cylindrical inside groove 15, wax ball clearing 2 is placed in the cylindrical inside groove 15, a side vertical with cylindrical inside groove 15 on the ball valve core 16 has square groove 17, and tight fits have axle 18 in the square groove 17, and its other end is connected with handle 14, valve body 11,12 is placed sealing ring 19 respectively, and ball valve core 16 supports thereon.
The present invention can also adopt following technical measures:
Described ball collecting chamber 7 has cover 9 and is connected with sealing ring 10 and by bolt;
The two ends of described axle 17 are square column type;
Have Column groove in the described wax ball clearing 2, its bottom is the sphere of sealing;
The external diameter of described wax ball clearing 2 should be close with the internal diameter of the diameter of cylindrical inside groove 15 on the ball valve core 16 and pipeline 1.
Advantage and good effect that the present invention has are: technology is simple, is convenient to operation, and is simple in structure, small investment, and need not stop can online wax removal, thus do not influence output, the production efficiency height, energy conservation, cost is low.
Description of drawings
Fig. 1 is a process flow diagram of the present invention;
Fig. 2 is the structural representation of the ball serving device of special use.
Among Fig. 1, Fig. 2:
1. pipeline, 2. wax ball clearing, 3. ball serving device, 4. oil inlet pipe,
5. receipts Ball valve is 6. received Ball valve, 7. ball collecting chamber, and 8. bypass valve,
9. cover, 10. sealing ring, 11. valve bodies, 12. valve bodies, 13. bolts, 14. handles,
15. cylindrical inside groove, 16. ball valve cores, 17. square grooves, 18., 19. sealing rings.
The specific embodiment:
For further understanding summary of the invention of the present invention, characteristics and effect, following examples for example, and conjunction with figs. now are described in detail as follows, and see also Fig. 1, Fig. 2.
As shown in Figure 1 and Figure 2: be connected the special-purpose ball serving device 3, the special-purpose ball serving device 3 that are placed with wax ball clearing 2 at an end of pipeline 1 with bolt by flange and forming by the valve body 11,12 and the ball valve core 16 that have endoporus and flange, flange on the valve body 11,12 links into an integrated entity with bolt 13, centre at valve body 11,12 has ball valve core 16, ball valve core 16 can rotate in the middle of valve body 11,12, have cylindrical inside groove 15 on the ball valve core 16, wax ball clearing 2 is placed in the cylindrical inside groove 15, have Column groove in the wax ball clearing 2, its bottom is the sphere of sealing.A side vertical with cylindrical inside groove 15 on the ball valve core 16 has square groove 17, tight fit has axle 18 in the square groove 17, the other end of axle 18 is connected with handle 14, the two ends of axle 18 are square column type, valve body 11,12 is placed sealing ring 19 respectively, ball valve core 16 supports thereon, to guarantee good sealing effectiveness.Lower end at ball serving device 3 has oil-in, it links to each other with oil inlet pipe 4, the other end of pipeline 1 is divided into two branches, be fixed with in the branch and receive Ball valve 5 and receive Ball valve 6, in the center fixed of receiving Ball valve 5 and receipts Ball valve 6 ball collecting chamber 7 is arranged, have cover 9 and sealing ring 10 on the ball collecting chamber 7 and connect into totally enclosed cylinder, be fixed with bypass valve 8 in another branch by bolt.
During the wax removal operation, at first, close bypass valve 8 and open receipts Ball valve 5 and receipts Ball valve 6, then, wax ball clearing 2 is put into the ball valve core 16 of ball serving device 3, and wax ball clearing 2 external diameters should be close or identical with the internal diameter of the diameter of cylindrical inside groove 15 on the ball valve core 16 and pipeline 1.Turning handle 14 makes its Rotate 180 °, it drives ball valve cores 16 Rotate 180s ° by axle 18, deviate from the cylindrical inside groove 15 of wax ball clearing 2 from ball valve core 16, fall in the pipeline 1 by deadweight, crude oil enters pipeline 1 from oil inlet pipe 4, and promotion wax ball clearing 2, wax ball clearing 2 is advanced under the promotion of pressure, and scrape wax and the impurity that sticks on the tube wall, last, wax ball clearing 2 is fallen in the ball collecting chamber 7 by receiving Ball valve 5, and then crude oil flows out by receiving Ball valve 6; Behind the pipeline cleaning, close and receive Ball valve 5 and receive Ball valve 6, meanwhile, open bypass valve 8, then crude oil directly flows out by bypass valve 8.Its advantage is: technology is simple, is convenient to operation, and is simple in structure, small investment, and need not stop can online wax removal, thus do not influence output, the production efficiency height, energy conservation, cost is low.
Claims (6)
1. online wax removal technique for petroleum single well pipeline, it is characterized in that: be connected the special-purpose ball serving device (3) that is placed with wax ball clearing (2) with bolt, have oil-in in the lower end of ball serving device (3) and be connected by flange with oil inlet pipe (4) at an end of pipeline (1), the other end of pipeline (1) is divided into two branches, be fixed with in the branch and receive Ball valve (5) and receive Ball valve (6), in the center fixed of receiving Ball valve (5) and receipts Ball valves (6) ball collecting chamber (7) is arranged, be fixed with bypass valve (8) in another branch.
2. a kind of online wax removal technique for petroleum single well pipeline according to claim 1 is characterized in that: described ball collecting chamber (7) has lid (9) and is connected with sealing ring (10) and by bolt.
3. one kind is used for the special-purpose ball serving device of the described technology of claim 1, it comprises the valve body (11) that has endoporus and flange, (12), bolt (13) and handle (14), it is characterized in that: in valve body (11), (12) center fixed has a ball valve core (16) with cylindrical inside groove (15), wax ball clearing (2) is placed in the cylindrical inside groove (15), ball valve core (16) is gone up a side vertical with cylindrical inside groove (15) and is had square groove (17), the interior tight fit of square groove (17) has axle (18), its other end is connected with handle (14), valve body (11), (12) place sealing ring (19) respectively, ball valve core (16) supports thereon.
4. the ball serving device of a kind of special use according to claim 3 is characterized in that: the two ends of described axle (18) are square column type.
5. the ball serving device of a kind of special use according to claim 3, it is characterized in that: described wax ball clearing has Column groove in (2), and its bottom is sphere of sealing.
6. the ball serving device of a kind of special use according to claim 3 is characterized in that: the external diameter of described wax ball clearing (2) should to go up the internal diameter of the diameter of cylindrical inside groove (15) and pipeline (1) close with ball valve core (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710056896 CN101016831A (en) | 2007-03-09 | 2007-03-09 | Online wax removal technique for petroleum single well pipeline and device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710056896 CN101016831A (en) | 2007-03-09 | 2007-03-09 | Online wax removal technique for petroleum single well pipeline and device thereof |
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| Publication Number | Publication Date |
|---|---|
| CN101016831A true CN101016831A (en) | 2007-08-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200710056896 Pending CN101016831A (en) | 2007-03-09 | 2007-03-09 | Online wax removal technique for petroleum single well pipeline and device thereof |
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| CN (1) | CN101016831A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101695703B (en) * | 2009-10-26 | 2012-10-17 | 中国石油天然气股份有限公司 | double-piston clean type automatic ball collecting device |
| CN105363740A (en) * | 2014-08-25 | 2016-03-02 | 中国石油天然气股份有限公司 | Paraffin removal method and device for oil pipeline |
| CN107855334A (en) * | 2017-12-12 | 2018-03-30 | 西安山川石油科技有限责任公司 | A kind of Timed automatic ball collecting device |
| CN108999594A (en) * | 2018-10-18 | 2018-12-14 | 西南石油大学 | A kind of oil field self-spray well shaft paraffin removal unit |
-
2007
- 2007-03-09 CN CN 200710056896 patent/CN101016831A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101695703B (en) * | 2009-10-26 | 2012-10-17 | 中国石油天然气股份有限公司 | double-piston clean type automatic ball collecting device |
| CN105363740A (en) * | 2014-08-25 | 2016-03-02 | 中国石油天然气股份有限公司 | Paraffin removal method and device for oil pipeline |
| CN105363740B (en) * | 2014-08-25 | 2017-11-10 | 中国石油天然气股份有限公司 | Paraffin removal method and device for oil pipeline |
| CN107855334A (en) * | 2017-12-12 | 2018-03-30 | 西安山川石油科技有限责任公司 | A kind of Timed automatic ball collecting device |
| CN108999594A (en) * | 2018-10-18 | 2018-12-14 | 西南石油大学 | A kind of oil field self-spray well shaft paraffin removal unit |
| CN108999594B (en) * | 2018-10-18 | 2023-09-29 | 西南石油大学 | Paraffin removal device for oil field self-injection well shaft |
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| PB01 | Publication | ||
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20070815 |