CN201851063U - Submarine horizontal type oil extraction tree in the ocean - Google Patents
Submarine horizontal type oil extraction tree in the ocean Download PDFInfo
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- CN201851063U CN201851063U CN 201020284405 CN201020284405U CN201851063U CN 201851063 U CN201851063 U CN 201851063U CN 201020284405 CN201020284405 CN 201020284405 CN 201020284405 U CN201020284405 U CN 201020284405U CN 201851063 U CN201851063 U CN 201851063U
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Abstract
The utility model relates to a submarine horizontal type oil extraction tree in the ocean, which comprises an oil extraction tree main body and an oil extraction tree cap which are arranged on a connector, wherein three flow passages and respective valves are arranged on the round wall of the oil extraction tree main body; a pipeline hanger is arranged in the oil extraction tree main body; a closing device is arranged on the upper end of the latus rectum of the pipeline hanger; an opening at the side of the latus rectum is connected to a production flow passage; internal oil extraction tree caps are arranged above the pipeline hanger at intervals; the closing device is arranged on the latus rectum of the internal oil extraction tree caps; a locking mechanism and a sealing element are arranged between the internal oil extraction tree caps and the pipeline hanger; the locking mechanism and a plurality of sealing elements are arranged between the oil extraction tree main body and the pipeline hanger; an annular flow passage module and a production flow passage module are arranged on the peripheral surface of the oil extraction tree main body; connectors and valves of each flow passage are arranged in the annular flow passage module; and an outlet and a valve connected to the production flow passage is arranged on the production flow passage module. The utility model has high reliability and long service life.
Description
Technical field
The utility model belongs to petroleum gas drilling and extracting equipment technical field, relates to a kind of ocean underwater horizontal type production tree.
Background technology
Subsea production tree carries out the device of shaft mouth operation when being production of marine oil gas field and underground work, comprise the production tree body, produce valve, annular space valve, boll-weevil hanger, potted component etc.The flow and the pressure of well head can be taken into account the enforcement of multiple oil production technology measure simultaneously when production tree was mainly used in the production of control oil gas well.
Subsea production tree can be divided into vertical production tree by its installation site that produces main valve and be called not only " traditional production tree " and horizontal production tree but also be called " horizontal christmas tree " two kinds, what the production main valve was arranged on the vertical latus rectum is vertical production tree, and horizontal production tree produces main valve then on the production runner of level; Because horizontal production tree is simplified installation requirement, is easier to the workover treatment in later stage, even can carries out drilling well by horizontal production tree, so horizontal production tree obtains using more widely.
Conventional ocean underwater horizontal type production tree is installed on the underwater wellhead, and the boll-weevil hanger seat is on the production tree body, and by its retaining mechanism locking, the inside tree cap of bearing capacity is equipped with in the hanger top, is fixed on the production tree body by its retaining mechanism; Production tree one side has the production runner of level, and its external production flow line, opposite side have annular space outlet, its external service line.
During ordinary production, well liquid enters the production runner from oil pipe, flows into production flow line again; This state down can guarantee that two resealings are arranged between well liquid and extraneous seawater: first heavyly is made up of sealing on the boll-weevil hanger and shutoff device, second weight by inner tree cap and on sealing and shutoff device form.Production tree is when completion or well workover state, preventer is installed in the production tree bodies top, hanger is transferred instrument and is linked to each other with hanger, may need a packoff nipple to realize the sealing that inner chamber is communicated with between the two, communicates with oil pipe, production runner so transfer the instrument sprue; The preventer inner chamber communicates with the production tree inner chamber, and ram block is closed the salable instrument of transferring in back; Surface facilities such as floating drilling platform etc. can be realized and being communicated with of the following space of ram block by the throttle well killing pipeline.
When completion or workover treatment, surface facilities then by throttle well killing pipeline, preventer inner chamber, production tree inner chamber, workover passageway, annulus access is realized and being communicated with of production tree annular space.When carrying out the deep-well cycle operation, enter successively from the fluid of surface facilities pump pressure and to transfer instrument sprue and oil pipe, outside oil pipe, rise to production tree annular space, annulus access, workover passageway, production tree inner chamber, preventer inner chamber again, flow into the throttle well killing pipeline and return surface facilities again.In cyclic process, when fluid flows into the production tree inner chamber, the locking slot and the sealing surface that are used for inner tree cap on the retaining mechanism of meeting erosion boll-weevil hanger and the production tree chamber body, thereby influence the locking and the recovery of hanger, destroy the reliability of inner tree cap locking and sealing, just destroy the second required resealing guarantee of production tree, form potential safety hazard.
Summary of the invention
The purpose of this utility model provides a kind of ocean underwater horizontal type production tree, has solved to exist the sealing reliability difference to cause erosion in the prior art, influences the problem of the locking and the recovery of hanger.
First kind of technical scheme that the utility model adopted is, a kind of ocean underwater horizontal type production tree, comprise the connector that is fixed on the underwater wellhead, the upper end of connector is connected with the production tree body, the upper end of production tree body is equipped with outside tree cap, have annulus access, workover passageway B on the production tree body and produce runner, annulus access, workover passageway B and production runner are respectively arranged with annular space main valve, well workover valve and produce main valve; The inside of production tree body is equipped with boll-weevil hanger, the latus rectum of boll-weevil hanger is communicated with oil pipe downwards, this latus rectum side outlet is communicated with the production runner, the latus rectum of boll-weevil hanger is provided with shutoff device B, shutoff device B is positioned at the side outlet top, the top of boll-weevil hanger is arranged at intervals with inner tree cap, be provided with shutoff device in the latus rectum of inner tree cap, the production tree chamber body is from then being the production tree inner chamber more than the boll-weevil hanger, be provided with retaining mechanism between inner tree cap and the boll-weevil hanger, sealing, be provided with retaining mechanism B between production tree body and the boll-weevil hanger, sealing B, sealing D and sealing C, sealing D wherein and sealing C lay respectively at and produce highly locating up and down of runner, have workover passageway C workover passageway C one end on the boll-weevil hanger and be communicated with workover passageway B, the other end of workover passageway C is communicated with the production tree inner chamber; Be separately installed with annular space runner module in the both sides of production tree body and produce the runner module, be provided with the connector of annulus access B, workover passageway, annular space outlet and conversion runner in the annular space runner module, annulus access B, workover passageway are communicated with the annular space outlet simultaneously, annulus access B, workover passageway are communicated with the conversion runner jointly with the annular space outlet, the conversion runner is provided with switching valve, the annular space outlet is provided with annulus wing valve, and annular space exports external service line; Produce the runner module and be provided with the production runner, produce on the runner production flutter valve is installed, produce flutter valve and be communicated with the conversion runner, produce the external production flow line of runner with the production runner of producing between the main valve.
Second kind of technical scheme that the utility model adopted is, a kind of ocean underwater horizontal type production tree, comprise the connector that is fixed on the underwater wellhead, the upper end of connector is connected with the production tree body, outside tree cap is installed on the production tree body, have annulus access, workover passageway B on the production tree body and produce runner, annulus access, workover passageway B and production runner are respectively arranged with annular space main valve, well workover valve and produce main valve, workover passageway B is communicated with the cavity of inner tree cap top after by the well workover valve, and the while is communicated with the production tree inner chamber; The inside of production tree body is equipped with boll-weevil hanger, the latus rectum of boll-weevil hanger is communicated with oil pipe downwards, this latus rectum side outlet is communicated with the production runner, the latus rectum of boll-weevil hanger is provided with shutoff device B, shutoff device B is positioned at the side outlet top, the top of boll-weevil hanger is arranged at intervals with inner tree cap, be provided with shutoff device in the latus rectum of inner tree cap, the production tree chamber body is from then being the production tree inner chamber more than the boll-weevil hanger, be provided with retaining mechanism between inner tree cap and the boll-weevil hanger, sealing, be provided with retaining mechanism B between production tree body and the boll-weevil hanger, sealing B and sealing C, sealing B wherein and sealing C lay respectively at and produce highly locating up and down of runner, the end of workover passageway B is communicated with workover passageway, and other end outlet is positioned at the retaining mechanism top, communicates with the production tree inner chamber; Be separately installed with annular space runner module in the both sides of production tree body and produce the runner module, be provided with the connector of annulus access B, workover passageway, annular space outlet and conversion runner in the annular space runner module, annulus access B, workover passageway are communicated with the annular space outlet simultaneously, annulus access B, workover passageway are communicated with the conversion runner jointly with the annular space outlet, the conversion runner is provided with switching valve, the annular space outlet is provided with annulus wing valve, and annular space exports external service line; Produce the runner module and be provided with the production runner, produce on the runner production flutter valve is installed, produce flutter valve and be communicated with the conversion runner, produce the external production flow line of runner with the production runner of producing between the main valve.
The beneficial effects of the utility model are, by improvement to its runner, realization is to the control of completion/workover treatment such as deep-well circulation of fluid, avoid erosion to boll-weevil hanger retaining mechanism and inner tree cap locking slot and sealing surface, improve the reliability of subsea production tree, prolong its application life.
Description of drawings
Fig. 1 is the schematic diagram of conventional underwater horizontal type production tree in production status;
Fig. 2 is the schematic diagram of conventional underwater horizontal type production tree at completion/well workover state;
Fig. 3 is the schematic diagram of the utility model embodiment 1 in production status;
Fig. 4 is the schematic diagram of the utility model embodiment 1 at completion/well workover state;
Fig. 5 is the schematic diagram of the completion/well workover state of the utility model embodiment 1 under the configuration of double-gate preventer.
Fig. 6 is the schematic diagram of the utility model embodiment 2 in production status;
Among the figure, 1. oil pipe, 2. production tree annular space, 3. underwater wellhead, 4. connector, 5. annular space main valve, 6. annulus access, 7. annulus access B, 8. annular space runner module, 9. annulus wing valve, 10. annular space outlet, 11. workover passageway, 12. switching valve, 13. workover passageway B, 14. well workover valves, 15. production tree bodies, 16. tree cap, 17. conversion runners, 18. inner tree caps, 19. shutoff devices, 20. retaining mechanism, 21. sealings, 22. production tree inner chambers, 23. retaining mechanism B, 24. sealing B, 25. produce the runner module, and 26. produce flutter valve, 27. the production runner, 28. produce main valve, 29. sealing C, 30. shutoff device B, 31. boll-weevil hangers, 32. preventers, 33. the throttle well killing pipeline, 34. flashboards, 35. preventer inner chambers, 36. sprue, 37. transfer instrument, 38. workover passageway C, 39. sealing D, 40. secondary channels, 41. flashboard B.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
As shown in Figure 1, it is conventional ocean underwater horizontal type production tree structure, be installed on the underwater wellhead 3,31 of boll-weevil hangers are in production tree body 15, and lock by its retaining mechanism B23, the inside tree cap 18 of bearing capacity is equipped with in boll-weevil hanger 31 tops, is fixed on the production tree body 15 by its retaining mechanism 20; Production tree one side has the production runner 27 of level, and its external production flow line, opposite side have annular space outlet 10, its external service line.
During ordinary production, annular space main valve 5, annulus wing valve 9, switching valve 12 and well workover valve 14 are closed, and produce flutter valve 26 and produce main valve 28 unlatchings, and well liquid enters from oil pipe 1 and produces runner 27, flows into production flow line again; Can guarantee under this state has two resealings between well liquid and extraneous seawater: first heavy is made up of sealing B24 and shutoff device B30, second heavy by seal 21, inner tree cap 18 and shutoff device 19 form.
As shown in Figure 2, production tree in completion or well workover state is, preventer 32 is installed in production tree body 15 tops, hanger is transferred instrument 37 and is linked to each other with boll-weevil hanger 31, may need a packoff nipple to realize the sealing that inner chamber is communicated with between the two, communicate with oil pipe 1, production runner 27 so transfer instrument sprue 36; Preventer inner chamber 35 communicates with production tree inner chamber 22, and ram block 34 is closed the salable instrument 37 of transferring in back; Surface facilities such as floating drilling platform etc. can be realized and being communicated with of ram block 34 following spaces by throttle well killing pipeline 33.
As shown in Figure 2, when completion or workover treatment, as annulus wing valve 9, switching valve 12, production flutter valve 26 and production main valve 28 are closed, annular space main valve 5 and well workover valve 14 opened, and surface facilities is then realized and being communicated with of production tree annular space 2 by throttle well killing pipeline 33, preventer inner chamber 35, production tree inner chamber 22, workover passageway 11, workover passageway B13, annulus access 6, annulus access B7.When carrying out the deep-well cycle operation, enter successively from the fluid of surface facilities pump pressure and to transfer instrument sprue 36 and oil pipe 1, outside oil pipe, rise to production tree annular space 2, workover passageway 11, workover passageway B13, annulus access 6, annulus access B7, production tree inner chamber 22, preventer inner chamber 35 again, flow into throttle well killing pipeline 33 and return surface facilities again.In cyclic process, when fluid flows into production tree inner chamber 22, the locking slot and the sealing surface that are used for inner tree cap 18 on the retaining mechanism B23 of meeting erosion boll-weevil hanger and the production tree chamber body, thereby influence the locking and the recovery of boll-weevil hanger 31, destroy the reliability of inner tree cap 18 lockings and sealing and just destroy the second required resealing guarantee of production tree, form potential safety hazard.
As shown in Figure 3, the structure of the utility model embodiment 1 is, be fixed on the underwater wellhead by connector 4, outside tree cap 16 is installed on the production tree body 15, annulus access 6, workover passageway B13 are arranged on the production tree body 15 and produce runner 27, annulus access 6, workover passageway B13 and production runner 27 are respectively arranged with annular space main valve 5, well workover valve 14 and produce main valve 28; The inside of production tree body 15 is equipped with boll-weevil hanger 31, the latus rectum of boll-weevil hanger 31 is communicated with oil pipe 1 downwards, this latus rectum side outlet is communicated with production runner 27, the latus rectum of boll-weevil hanger 31 is provided with shutoff device B30 (being positioned at the side outlet top), the top of boll-weevil hanger 31 is arranged at intervals with inner tree cap 18, be provided with shutoff device 19 in the latus rectum of inner tree cap 18, production tree body 15 inner chambers then are production tree inner chamber 22 more than 31 from boll-weevil hanger, be provided with retaining mechanism 20 between inner tree cap 18 and the boll-weevil hanger 31, sealing 21, be provided with retaining mechanism B23 between production tree body 15 and the boll-weevil hanger 31, sealing B24, sealing D39 and sealing C29, sealing D39 wherein and sealing C29 lay respectively at and produce highly locating up and down of runner 27, have workover passageway C38 on the boll-weevil hanger 31, workover passageway C38 one end is communicated with workover passageway B13, and the other end of workover passageway C38 is communicated with production tree inner chamber 22; Be separately installed with annular space runner module 8 in the both sides of production tree body 15 and produce runner module 25, be provided with the connector of annulus access B7, workover passageway 11, annular space outlet 10 and conversion runner 17 in the annular space runner module 8, annulus access B7, workover passageway 11 are communicated with annular space outlet 10 simultaneously, annulus access B7, workover passageway 11 are communicated with conversion runner 17 jointly with annular space outlet 10, conversion runner 17 is provided with switching valve 12, annular space outlet 10 is provided with annulus wing valve 9, and annular space exports 10 external service line; Produce runner module 25 and be provided with and produce runner 27, produce to be equipped with on the runner 27 and produce flutter valve 26, produce flutter valve 26 with produce between the main valve 28 production runner 27 with change runner 17 and be communicated with production runner 27 external production flow lines.
Switching valve 12 is arranged on annular space runner module 8, conversion runner 17 or produces on the runner module 25.
Annular space main valve 5, annulus wing valve 9, well workover valve 14 are arranged on respectively or all on annular space runner module 8 or the production tree body 15.
During ordinary production, annular space main valve 5, annulus wing valve 9, switching valve 12 and well workover valve 14 are closed, and produce flutter valve 26 and produce main valve 28 unlatchings, and well liquid enters from oil pipe 1 and produces runner 27, flows into production flow line again; Can guarantee under this state has two resealings between well liquid and extraneous seawater: first heavy is made up of sealing B24, sealing D39 and shutoff device B30, second heavy by seal 21, inner tree cap 18 and shutoff device 19 form.
As shown in Figure 4, when completion or workover treatment, as annulus wing valve 9, switching valve 12, production flutter valve 26 and production main valve 28 are closed, annular space main valve 5 and well workover valve 14 opened, surface facilities then by throttle well killing pipeline 33, preventer inner chamber 35, production tree inner chamber 22, transfer instrument secondary channels 40, workover passageway 11, workover passageway B13, workover passageway C38, annulus access 6, annulus access B7 realizes and being communicated with of production tree annular space 2.As when carrying out the deep-well cycle operation, enter successively from the fluid of surface facilities pump pressure and to transfer instrument sprue 36 and oil pipe 1, outside oil pipe, rise to production tree annular space 2, annulus access 6, annulus access B7, workover passageway 11, workover passageway B13, workover passageway C38, production tree inner chamber 22, preventer inner chamber 35 again, flow into throttle well killing pipeline 33 and return surface facilities again.In cyclic process, though fluid flows into production tree inner chamber 22, be full of the back production tree inner chamber 22 of just no longer flowing through, i.e. the retaining mechanism 23 that can the erosion boll-weevil hanger and the locking slot and the sealing surface of inner tree cap 18; Thereby realized protection to inner tree cap 18 locking slots and sealing surface on the retaining mechanism B23 of boll-weevil hanger and the production tree inner chamber.
As shown in Figure 5, be completion or the workover treatment state of the utility model embodiment 1 under the configuration of double-gate preventer, the both sides up and down of secondary channels 40 outlets that two flashboards 34 of preventer, flashboard B41 will transfer instrument 37 all seal, when carrying out this moment such as deep-well cycle operation etc., fluid can not flow into production tree inner chamber 22, the retaining mechanism B23 that can the erosion boll-weevil hanger and the locking slot and the sealing surface of inner tree cap 18; Thereby realized protection to inner tree cap 18 locking slots and sealing surface on the retaining mechanism B23 of boll-weevil hanger and the production tree inner chamber.
Accompanying drawing 6 is the schematic diagram of the utility model embodiment 2 in production status, in this scheme, there is not workover passageway on the boll-weevil hanger, and on the production tree body 15 outlet of workover passageway B13 on retaining mechanism 20, be that workover passageway B13 is communicated with the cavity of inner tree cap 18 tops by well workover valve 14 backs, be communicated with production tree inner chamber 22 simultaneously, in the circulation of completion or workover treatment, though fluid flows into production tree inner chamber 22, but be full of the back and just no longer flow into production tree inner chamber 22 bottoms, transfer instrument secondary channels 40 but flow directly into, i.e. the retaining mechanism B23 that can the erosion boll-weevil hanger and the locking slot and the sealing surface of inner tree cap 18; Event can realize the protection to inner tree cap 18 locking slots and sealing surface on the retaining mechanism B23 of boll-weevil hanger and the production tree inner chamber.
Underwater horizontal type production tree of the present utility model, be mainly used in the operations such as production, pressure break, well logging and water filling in marine oil gas field, this underwater horizontal type production tree mainly is made up of parts such as production tree body, boll-weevil hanger system, shutoff device, tree cap, hydraulic flat gate valve and the choke valves that surges.With respect to conventional underwater horizontal type production tree, the utility model can be realized the control to completion or workover treatment such as deep-well circulation circulation of fluid, avoid erosion to boll-weevil hanger retaining mechanism, inner tree cap locking slot and sealing surface, thereby improve the reliability of subsea production tree, prolong its application life.
Claims (6)
1. ocean underwater horizontal type production tree, it is characterized in that: comprise the connector (4) that is fixed on the underwater wellhead, the upper end of connector (4) is connected with production tree body (15), the upper end of production tree body (15) is equipped with outside tree cap (16), have annulus access (6), workover passageway B(13 on the production tree body (15)) and produce runner (27), annulus access (6), workover passageway B(13) and produce runner (27) and be respectively arranged with annular space main valve (5), well workover valve (14) and production main valve (28);
The inside of production tree body (15) is equipped with boll-weevil hanger (31), the latus rectum of boll-weevil hanger (31) is communicated with oil pipe (1) downwards, this latus rectum side outlet is communicated with production runner (27), the latus rectum of boll-weevil hanger (31) is provided with shutoff device B(30), shutoff device B(30) is positioned at the side outlet top, the top of boll-weevil hanger (31) is arranged at intervals with inner tree cap (18), be provided with shutoff device (19) in the latus rectum of inner tree cap (18), production tree body (15) inner chamber is from then being production tree inner chamber (22) more than the boll-weevil hanger (31), be provided with retaining mechanism (20) between inner tree cap (18) and the boll-weevil hanger (31), sealing (21), be provided with retaining mechanism B(23 between production tree body (15) and the boll-weevil hanger (31)), sealing B(24), seal D(39) and sealing C(29), sealing D(39 wherein) and sealing C(29) lay respectively at and produce highly locating up and down of runner (27)
,Boll-weevil hanger has workover passageway C(38 on (31)), workover passageway C(38) end and workover passageway B(13) be communicated with workover passageway C(38) the other end be communicated with production tree inner chamber (22);
Be separately installed with annular space runner module (8) in the both sides of production tree body (15) and produce runner module (25), be provided with annulus access B(7 in the annular space runner module (8)), workover passageway (11), the connector of annular space outlet (10) and conversion runner (17), annulus access B(7), workover passageway (11) is communicated with annular space outlet (10) simultaneously, annulus access B(7), workover passageway (11) is communicated with conversion runner (17) jointly with annular space outlet (10), conversion runner (17) is provided with switching valve (12), annular space outlet (10) is provided with annulus wing valve (9), annular space outlet (10) external service line; Produce runner module (25) and be provided with production runner (27), produce to be equipped with on the runner (27) and produce flutter valve (26), produce flutter valve (26) and be communicated with conversion runner (17), produce the external production flow line of runner (27) with the production runner of producing between the main valve (28) (27).
2. ocean according to claim 1 underwater horizontal type production tree is characterized in that: described production tree body (15), annular space runner module (8), production runner module (25) are three individual components or make up as required.
3. ocean according to claim 1 underwater horizontal type production tree is characterized in that: described shutoff device (19), shutoff device B(30) respectively or all be wire rope plug or valve.
4. ocean underwater horizontal type production tree, it is characterized in that: comprise the connector (4) that is fixed on the underwater wellhead, the upper end of connector (4) is connected with production tree body (15), outside tree cap (16) is installed on the production tree body (15), have annulus access (6) on the production tree body (15), workover passageway B(13) and produce runner (27), annulus access (6), workover passageway B(13) and produce runner (27) and be respectively arranged with annular space main valve (5), well workover valve (14) and production main valve (28), workover passageway B(13) is communicated with by the cavity of well workover valve (14) back, is communicated with production tree inner chamber (22) simultaneously with inner tree cap (18) top;
The inside of production tree body (15) is equipped with boll-weevil hanger (31), the latus rectum of boll-weevil hanger (31) is communicated with oil pipe (1) downwards, this latus rectum side outlet is communicated with production runner (27), the latus rectum of boll-weevil hanger (31) is provided with shutoff device B(30), shutoff device B(30) is positioned at the side outlet top, the top of boll-weevil hanger (31) is arranged at intervals with inner tree cap (18), be provided with shutoff device (19) in the latus rectum of inner tree cap (18), production tree body (15) inner chamber is from then being production tree inner chamber (22) more than the boll-weevil hanger (31), be provided with retaining mechanism (20) between inner tree cap (18) and the boll-weevil hanger (31), sealing (21), be provided with retaining mechanism B(23 between production tree body (15) and the boll-weevil hanger (31)), seal B(24) and sealing C(29), sealing B(24 wherein) and sealing C(29) lay respectively at and produce highly locating up and down of runner (27)
,Workover passageway B(13) a end is communicated with workover passageway (11), and other end outlet is positioned at retaining mechanism (20) top, communicates with production tree inner chamber (22);
Be separately installed with annular space runner module (8) in the both sides of production tree body (15) and produce runner module (25), be provided with annulus access B(7 in the annular space runner module (8)), workover passageway (11), the connector of annular space outlet (10) and conversion runner (17), annulus access B(7), workover passageway (11) is communicated with annular space outlet (10) simultaneously, annulus access B(7), workover passageway (11) is communicated with conversion runner (17) jointly with annular space outlet (10), conversion runner (17) is provided with switching valve (12), annular space outlet (10) is provided with annulus wing valve (9), annular space outlet (10) external service line; Produce runner module (25) and be provided with production runner (27), produce to be equipped with on the runner (27) and produce flutter valve (26), produce flutter valve (26) and be communicated with conversion runner (17), produce the external production flow line of runner (27) with the production runner of producing between the main valve (28) (27).
5. ocean according to claim 4 underwater horizontal type production tree is characterized in that: described production tree body (15), annular space runner module (8), production runner module (25) are three individual components or make up as required.
6. ocean according to claim 4 underwater horizontal type production tree is characterized in that: described shutoff device (19), shutoff device B(30) respectively or all be wire rope plug or valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020284405 CN201851063U (en) | 2010-08-09 | 2010-08-09 | Submarine horizontal type oil extraction tree in the ocean |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020284405 CN201851063U (en) | 2010-08-09 | 2010-08-09 | Submarine horizontal type oil extraction tree in the ocean |
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| Publication Number | Publication Date |
|---|---|
| CN201851063U true CN201851063U (en) | 2011-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020284405 Expired - Fee Related CN201851063U (en) | 2010-08-09 | 2010-08-09 | Submarine horizontal type oil extraction tree in the ocean |
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| CN (1) | CN201851063U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102383757A (en) * | 2011-11-21 | 2012-03-21 | 江汉石油钻头股份有限公司 | Connection device for underwater production tree cup |
| CN104989314A (en) * | 2015-06-12 | 2015-10-21 | 美钻能源科技(上海)有限公司 | Underwater mud line Christmas tree and installation method thereof |
| CN111691851A (en) * | 2020-06-19 | 2020-09-22 | 中国地质科学院地质力学研究所 | Double-pipe high-pressure water channel conversion control device and stress measurement system |
| CN114856504A (en) * | 2022-05-18 | 2022-08-05 | 中海石油(中国)有限公司 | Well repairing system for shallow underwater horizontal Christmas tree and operation method thereof |
-
2010
- 2010-08-09 CN CN 201020284405 patent/CN201851063U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102383757A (en) * | 2011-11-21 | 2012-03-21 | 江汉石油钻头股份有限公司 | Connection device for underwater production tree cup |
| CN102383757B (en) * | 2011-11-21 | 2013-12-25 | 江汉石油钻头股份有限公司 | Connection device for underwater production tree cup |
| CN104989314A (en) * | 2015-06-12 | 2015-10-21 | 美钻能源科技(上海)有限公司 | Underwater mud line Christmas tree and installation method thereof |
| CN104989314B (en) * | 2015-06-12 | 2017-10-20 | 美钻能源科技(上海)有限公司 | Mud line production tree and its installation method under water |
| CN111691851A (en) * | 2020-06-19 | 2020-09-22 | 中国地质科学院地质力学研究所 | Double-pipe high-pressure water channel conversion control device and stress measurement system |
| CN111691851B (en) * | 2020-06-19 | 2021-04-09 | 中国地质科学院地质力学研究所 | Double-pipe high-pressure water channel conversion control device and stress measurement system |
| CN114856504A (en) * | 2022-05-18 | 2022-08-05 | 中海石油(中国)有限公司 | Well repairing system for shallow underwater horizontal Christmas tree and operation method thereof |
| CN114856504B (en) * | 2022-05-18 | 2023-10-27 | 中海石油(中国)有限公司 | Well repair system for shallow water underwater horizontal christmas tree and operation method thereof |
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