CN202767903U - Hollow heat carrier sucker rod - Google Patents
Hollow heat carrier sucker rod Download PDFInfo
- Publication number
- CN202767903U CN202767903U CN 201220502740 CN201220502740U CN202767903U CN 202767903 U CN202767903 U CN 202767903U CN 201220502740 CN201220502740 CN 201220502740 CN 201220502740 U CN201220502740 U CN 201220502740U CN 202767903 U CN202767903 U CN 202767903U
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- tube body
- bracing frame
- sucker rod
- interior tube
- outer tube
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Abstract
The utility model belongs to the technical field of sucker rods, and discloses a hollow heat carrier sucker rod. The hollow heat carrier sucker rod is mainly technically characterized by comprising an outer tube with a first carrying port and a first inserting port, an inner tube is arranged on the inner side of the outer tube and is connected with the outer tube by first support frames and second support frames, liquid through holes are arranged on the first support frames and the second support frames, and a second carrying port and a second inserting port are respectively arranged at two ends of the inner tube and are sealed with each other in an insertion manner. Accordingly, when outer tubes are connected with one another in well descending operation, inner tubes can be connected with one another naturally, and are prevented from being broken in installation and maintenance processes, construction is facilitated, and the inner tube is made of teflon materials and is good in heat-insulation performance. Besides, as shown by detection, when the 600M sucker rod is utilized, heat consumption of the sucker rod is only 0.5-1.0% when the flow rate is 0.1 meter/second, the temperature of heat carriers reaching the bottom of a well is greatly increased, and the hollow heat carrier sucker rod is beneficial to improving the efficacy of the oil well.
Description
Technical field
The utility model belongs to the sucker rod technical field, relates to concretely adopting heat transfer medium to the open-core type heat transfer medium sucker rod of heating crude oil in the oil well.
Background technology
At present, rare problem is exploited to Gao Ning, consistency crude oil ubiquity in the oil field both at home and abroad, and reason is to contain a large amount of asphalt colloids and wax in crude oil, and its freezing point is raise, in lifting process its temperature produce wax deposition owing to reducing gradually, solidify, the phenomenon such as obstruction, can't normally produce.For addressing the above problem, usually adopt following measures: one, adopt the Electromagnetic Heating mode with sucker rod heat to eliminate oil pipe PetroChina Company Limited. wax deposition, solidify, the phenomenon such as obstruction, owing to utilize electrically heated mode in sucker rod, to realize by several electric transducers of connection segment, and the sucker rod of this bindiny mechanism that comprises several electric transducers not only mechanism is complicated, dismounting is difficult and the defective that is difficult to keep in repair, and use electrical heating also to have the low defective that wastes energy of heat energy efficiency; They are two years old, adopt the hollow sucker rod, the metal outer pipe body with birdsmouth and interface that links together is adopted in the outside, be provided with one whole tetrafluoro flexible pipe in outer tube body inside, with the tetrafluoro flexible pipe to delivered downhole hot water etc., the hot water arrival shaft bottom then passage between the tetrafluoro flexible pipe outside and outer tube body inwall is flowed back to, and the sucker rod temperature is improved.But there is constructional difficulties in the tetrafluoro flexible pipe that adopts at present, and in installation and maintenance process, the tetrafluoro flexible pipe fractures easily.
The utility model content
The technical problem that the utility model solves just provides a kind of easy to installation and maintenance, open-core type heat transfer medium sucker rod that the heat transfer medium efficiency of transmission is high.
For solving the problems of the technologies described above, the technical scheme that the utility model proposes is: comprise the outer tube body with the first birdsmouth and the first interface, be provided with interior tube body in described outer tube body inboard, pass through the first bracing frame between described interior tube body and the outer tube body and be connected the bracing frame connection, be provided with liquid through-hole at described the first bracing frame and the second bracing frame, the two ends of described interior tube body are respectively the second birdsmouth and the second interface, and described the second birdsmouth and the second interface are pegged graft and sealed.
Its additional technical feature is:
With the ring-type support body of inner tube jack, described liquid through-hole was arranged on this ring-type support body in the middle of described the first bracing frame and the second bracing frame comprised;
The diameter of the inner tube jack of described the first bracing frame is greater than the external diameter of described interior tube body; The diameter of the inner tube jack of described the second bracing frame is identical with the external diameter of described interior tube body, and the second bracing frame is threaded with interior tube body;
Described the first bracing frame be connected bracing frame and comprise that interior ring is connected the spoke that connects described interior ring and outer shroud with outer shroud, described inner ring sleeve is on described interior tube body, described outer shroud is connected with described outer tube body inner thread.
The open-core type heat transfer medium sucker rod that the utility model provides, compare with prior art and to have the following advantages: one, owing to comprise the outer tube body with the first birdsmouth and the first interface, be provided with interior tube body in described outer tube body inboard, pass through the first bracing frame between described interior tube body and the outer tube body and be connected the bracing frame connection, be provided with liquid through-hole at described the first bracing frame and the second bracing frame, the two ends of described interior tube body are respectively the second birdsmouth and the second interface, when lower well operations, when every outer tube body connects, interior tube body meeting Nature Link, avoided install and maintenance process in interior tube body fracture, and the convenient interior tube body employing PTFE of constructing is made good heat insulating, after testing, utilize the above-mentioned sucker rod of 600M, when flow velocity during at 0.1 meter per second, its hear rate expense only is 0.5-1.0%, greatly improve the temperature that arrives the shaft bottom heat transfer medium, be conducive to the raising of oil well effect; Its two since described the first bracing frame and the second bracing frame comprise in the middle of with the ring-type support body of inner tube jack, described liquid through-hole is arranged on this ring-type support body, and is fixing convenient; Its three because the diameter of the inner tube jack of described the first bracing frame is greater than the external diameter of described interior tube body; The diameter of the inner tube jack of described the second bracing frame is identical with the external diameter of described interior tube body, the second bracing frame is threaded with interior tube body, interior tube body one end is fixed by the second bracing frame, and the other end can move up and down, so that move up and down in the process at sucker rod, interior tube body has certain elongation rate, avoid interior tube body to be broken, prolonged application life; They are four years old, since described the first bracing frame be connected bracing frame and comprise that interior ring is connected the spoke that connects described interior ring and outer shroud with outer shroud, described inner ring sleeve is on described interior tube body, and described outer shroud is connected with described outer tube body inner thread, processing and fixing convenient.
Description of drawings
Fig. 1 is the structural representation of open-core type heat transfer medium sucker rod;
Fig. 2 is the structural representation of the first bracing frame;
Fig. 3 is the structural representation of the second bracing frame;
Fig. 4 is the structural representation of another kind of the first bracing frame.
The specific embodiment
The structure of the open-core type heat transfer medium sucker rod that the utility model is proposed below in conjunction with accompanying drawing is described further.
As shown in Figure 1, be the structural representation of open-core type heat transfer medium sucker rod.Its structure comprises the outer tube body 3 with the first birdsmouth 1 and the first interface 2, be provided with interior tube body 4 in the inboard of outer tube body 3, pass through the first bracing frame 5 between interior tube body 4 and the outer tube body 3 and be connected bracing frame 6 connections, be provided with liquid through-hole 7 at the first bracing frame 5 and the second bracing frame 6, the two ends of interior tube body 4 are respectively the second birdsmouth 8 and the second interface 9.The second birdsmouth 8 and the second interface 9 are pegged graft and are sealed.Like this, when lower well operations, when every outer tube body 3 connects, interior tube body 4 meeting Nature Links, avoided install and maintenance process in interior tube body 4 fracture, and the convenient interior tube body 4 employing PTFEs of constructing are made good heat insulating, after testing, utilize the above-mentioned sucker rod of 600M, when flow velocity during at 0.1 meter per second, its hear rate expense only is 0.5-1.0%, greatly improve the temperature that arrives the shaft bottom heat transfer medium, be conducive to the raising of oil well effect.
As shown in Figures 2 and 3, with the ring-type support body 11 of inner tube jack 10, liquid through-hole 7 was arranged on this ring-type support body in the middle of the first bracing frame 5 and the second bracing frame 6 comprised, and is fixing convenient.The diameter of the inner tube jack 10 of the first bracing frame 5 is greater than the external diameter of interior tube body 4; The diameter of the inner tube jack 10 of the second bracing frame 6 is identical with the external diameter of interior tube body 4, the second bracing frame 6 is threaded with interior tube body 4, one end of interior tube body 4 is fixing by the second bracing frame 6, and the other end can move up and down, so that move up and down in the process at sucker rod, interior tube body 4 has certain elongation rate, avoids interior tube body 4 to be broken, and has prolonged application life.
As shown in Figure 4, the first bracing frame 5 be connected bracing frame 6 comprise interior ring 12 are connected with outer shroud and connect in ring 12 and the spoke 14 of outer shroud 13, interior ring 12 is enclosed within on the interior tube body 4, outer shroud 13 is connected with outer tube body 3 inner threads, processes and fixes convenient.
Protection domain of the present utility model not only is confined to above-described embodiment, as long as structure is identical with the utility model open-core type heat transfer medium sucker rod structure, just drops on the scope of the utility model protection.
Claims (4)
1. open-core type heat transfer medium sucker rod, comprise the outer tube body with the first birdsmouth and the first interface, it is characterized in that: be provided with interior tube body in described outer tube body inboard, pass through the first bracing frame between described interior tube body and the outer tube body and be connected the bracing frame connection, be provided with liquid through-hole at described the first bracing frame and the second bracing frame, the two ends of described interior tube body are respectively the second birdsmouth and the second interface, and described the second birdsmouth and the second interface are pegged graft and sealed.
2. open-core type heat transfer medium sucker rod according to claim 1 is characterized in that: with the ring-type support body of inner tube jack, described liquid through-hole was arranged on this ring-type support body in the middle of described the first bracing frame and the second bracing frame comprised.
3. open-core type heat transfer medium sucker rod according to claim 2, it is characterized in that: the diameter of the inner tube jack of described the first bracing frame is greater than the external diameter of described interior tube body; The diameter of the inner tube jack of described the second bracing frame is identical with the external diameter of described interior tube body, and the second bracing frame is threaded with interior tube body.
4. open-core type heat transfer medium sucker rod according to claim 1, it is characterized in that: described the first bracing frame be connected bracing frame and comprise that interior ring is connected the spoke that connects described interior ring and outer shroud with outer shroud, described inner ring sleeve is on described interior tube body, and described outer shroud is connected with described outer tube body inner thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220502740 CN202767903U (en) | 2012-09-27 | 2012-09-27 | Hollow heat carrier sucker rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220502740 CN202767903U (en) | 2012-09-27 | 2012-09-27 | Hollow heat carrier sucker rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202767903U true CN202767903U (en) | 2013-03-06 |
Family
ID=47774486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220502740 Expired - Fee Related CN202767903U (en) | 2012-09-27 | 2012-09-27 | Hollow heat carrier sucker rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202767903U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109736735A (en) * | 2018-12-20 | 2019-05-10 | 中国地质调查局成都地质调查中心 | Portable loose frangible rock stratum original position sample collecting apparatus |
| CN112112578A (en) * | 2020-11-23 | 2020-12-22 | 东营市金亿来石油机械有限公司 | Hollow sucker rod of anti-deflection |
-
2012
- 2012-09-27 CN CN 201220502740 patent/CN202767903U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109736735A (en) * | 2018-12-20 | 2019-05-10 | 中国地质调查局成都地质调查中心 | Portable loose frangible rock stratum original position sample collecting apparatus |
| CN112112578A (en) * | 2020-11-23 | 2020-12-22 | 东营市金亿来石油机械有限公司 | Hollow sucker rod of anti-deflection |
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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 |
Granted publication date: 20130306 Termination date: 20150927 |
|
| EXPY | Termination of patent right or utility model |