CN101761320B - Rotary ring-shaped blowout preventer - Google Patents
Rotary ring-shaped blowout preventer Download PDFInfo
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- CN101761320B CN101761320B CN200910215935A CN200910215935A CN101761320B CN 101761320 B CN101761320 B CN 101761320B CN 200910215935 A CN200910215935 A CN 200910215935A CN 200910215935 A CN200910215935 A CN 200910215935A CN 101761320 B CN101761320 B CN 101761320B
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- rotating cylinder
- ring
- blowout preventer
- joint sleeve
- rotary ring
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Abstract
The invention relates to a rotary ring-shaped blowout preventer, belonging to petroleum machinery, which comprises a shell (1) that is formed by an upper and a lower shells (3) and (4) connected with each other in a sealing way, and a rubber tube assembly (2), wherein the upper and the lower ends of the rubber tube assembly (2) are respectively sheathed with an upper and a lower rotating cylinders (7) and (8); the upper rotating cylinder (7) and/or the lower rotating cylinder (8) are/is fixed on the upper end surface and/or the lower end surface of the rubber tube assembly (2) by a pin or a bolt; the upper and the lower rotating cylinders (7) and (8) are respectively connected with the upper and the lower shells (3) and (4) by a bearing device (11); and sealing rings are respectively used for sealing between the upper part of the upper rotating cylinder (7) and the inner wall of the upper shell (3) as well as between the lower part of the lower rotating cylinder (8) and the inner wall of the lower shell (4). The rotary ring-shaped blowout preventer has the advantages of reasonable structure, long service life as well as convenient use and maintenance, adopts higher control pressure, effectively improves the operation efficiency and greatly reduces the production cost.
Description
Technical field
The present invention relates to petroleum machinery, specifically is that a kind of glue core can be with the ring-like preventer of drilling well, the rotation of well workover tubing string.
Background technology
Rotating blowout preventer is the visual plant that under balance pressure drilling and band are pressed the overhaul workover treatment.It plays the packing effect between bore hole annulus and drill string, and pressure control safely and effectively is provided.Shortcomings such as but present employed rotating blowout preventer exists volume, weight excessive, and structure is reasonable inadequately, and controlled pressure is low, and the blowout preventer glue core is easy to wear, and application life is short.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of rational in infrastructure, volume is little, the rotary ring-shaped blowout preventer of in light weight, glue core long service life.
Technical solution of the present invention is: it comprises housing and the packing element assembly that is made up of the upper and lower casing that is tightly connected mutually; Housing is provided with into and out of oil duct; The upper and lower end of said packing element assembly is with the upper and lower rotating cylinder that is fixedly connected respectively; The tube end of upper and lower rotating cylinder, all have circular through-hole; Last rotating cylinder and/or following rotating cylinder are respectively equipped with the sealing ring sealing through pinning or being bolted on the upper surface and/or lower surface of packing element assembly between its upper and lower retainer ring of packing element assembly and upper and lower rotating cylinder, the outer wall of upper and lower rotating cylinder and the inwall of housing are respectively equipped with bearing Ka Tai; Upper and lower rotating cylinder is connected with upper and lower casing respectively through bearing arrangement, is respectively equipped with the sealing ring sealing between the top of last rotating cylinder and the inwall of upper shell and between the inwall of the bottom of following rotating cylinder and lower house.
Technique effect of the present invention is: it has rational in infrastructure, long service life, use, advantage easy to maintenance, and it can adopt higher controlled pressure, can effectively improve operating efficiency, reduces production costs greatly.
Description of drawings
Fig. 1 is the sectional structure sketch map of embodiment of the present invention one;
Fig. 2 is the sectional structure sketch map of embodiment of the present invention two.
The specific embodiment
Embodiment one:
As shown in Figure 1; The rotary ring-shaped blowout preventer of this embodiment comprises housing 1 and the packing element assembly 2 that is made up of the upper and lower casing that is tightly connected mutually 3,4; Housing 1 is provided with into and out of oil duct 5,6; 3,4 of upper and lower casings are provided with the sealing ring sealing and connect through bolt; Packing element assembly 2 places in the upper and lower casing 3,4, and the upper and lower end of said packing element assembly 2 is with the upper and lower rotating cylinder 7,8 that is fixedly connected respectively, and the tube end of upper and lower rotating cylinder 7,8 all has circular through-hole; Upper and lower rotating cylinder 7,8 relative spiral-locks are at packing element assembly 2 two ends; Upper and lower rotating cylinder 7,8 can be fixedly connected to guarantee synchronous rotation through modes such as clamping, employing fixtures, and 7,8 of upper and lower rotating cylinders are provided with gap or the passage that fluid is passed through, and last rotating cylinder 7 and/or following rotating cylinder 8 are through pinning or being bolted on the upper surface and/or lower surface of packing element assembly 2; Packing element assembly 2 its upper and lower retainer rings 9,10 and 7,8 of upper and lower rotating cylinders are respectively equipped with the sealing ring sealing; The outer wall of upper and lower rotating cylinder 7,8 and the inwall of housing 1 are respectively equipped with bearing Ka Tai, and upper and lower rotating cylinder 7,8 is connected with upper and lower casing 3,4 respectively through bearing arrangement 11, are respectively equipped with the sealing ring sealing between the inwall of the top of last rotating cylinder 7 and upper shell 3 and between the inwall of the bottom of following rotating cylinder 8 and lower house 4.
Said bearing arrangement 11 is made up of bearing that bears radial load and the thrust bearing that bears axial load, is provided with packing ring 12 between the two and connects.This embodiment also can only adopt the bearing that can bear radial load and axial load simultaneously to be connected.
The opposite face of said upper and lower rotating cylinder 7,8 is provided with pin-and-hole, and upper and lower rotating cylinder 7,8 is fixedly connected through trundle 13.
Be with short cover 14 on the said trundle 13.
Embodiment two:
As shown in Figure 2; What it was different with embodiment one is; Said housing is provided with upper and lower adapter sleeve 15,16 respectively in 1 upper and lower mouthful place, and the port of upper and lower adapter sleeve 15,16 is provided with guide angle, and the open-work wall at the bottom of 7,8 of upper and lower adapter sleeve 15,16 and the upper and lower rotating cylinders is provided with the pin-and-hole that matches; Upper and lower adapter sleeve 15,16 is fixed on the open-work wall at the bottom of 7,8 of the upper and lower rotating cylinders through lock pin 17 respectively, and this embodiment lock pin 17 is made up of with spring 19 lock pin nail 18.
The outer wall of said upper and lower adapter sleeve 15,16 adopts the annular step tread to cooperate with the corresponding surface of housing 1, to realize the effect of movable sealing.
1 suitable for reading of said upper joint sleeve 15 and housing are provided with the sealing ring sealing, and the sealing circle adopts the water seal sealing with lip limit.
Said upper joint sleeve 15 is made up of upper and lower ring set 20,21, and upper and lower ring set 20,21 connects through bolt, and sealing ring is enclosed within down outer wall place, ring set 21 upper end, and this design can reach the purpose that is convenient for changing sealing ring.
Said packing element assembly 2 is with support tube 22 in the packing element outer wall, and support tube 22 is made up of the semicircular cylinder of two make-ups, and support tube 22 barrels are provided with oil-through hole 23, and support tube 22 upper and lower ends are against respectively on the upper surface of retainer ring 9 lower surfaces and following retainer ring 10.
Upper and lower retainer ring 9,10 places of said packing element assembly 2 are with seal washer 24 and sealing ring respectively, and packing element assembly 2 that this design is used adopts existing structures, can compatible existing structure, and convenient buying is changed.
Claims (9)
1. rotary ring-shaped blowout preventer; Comprise the housing (1) and the packing element assembly (2) that constitute by the upper shell that is tightly connected mutually (3), lower house (4); Housing (1) is provided with oil input channel (5), oil road (6); It is characterized in that; The upper and lower end of said packing element assembly (2) is with the last rotating cylinder (7) that is fixedly connected, following rotating cylinder (8) respectively; The tube end of last rotating cylinder (7), following rotating cylinder (8), all have circular through-hole; Last rotating cylinder (7) and/or down rotating cylinder (8) through pin or be bolted on the upper surface and/or lower surface of packing element assembly (2), packing element assembly (2) its go up retainer ring (9), down retainer ring (10) with last rotating cylinder (7), be respectively equipped with sealing ring between rotating cylinder (8) down and seal, last rotating cylinder (7), the outer wall of following rotating cylinder (8) and the inwall of housing (1) are respectively equipped with bearing Ka Tai; Last rotating cylinder (7), following rotating cylinder (8) are connected with upper shell (3), lower house (4) respectively through bearing arrangement (11), are respectively equipped with the sealing ring sealing between the inwall of the top of last rotating cylinder (7) and upper shell (3) and between the inwall of the bottom of following rotating cylinder (8) and lower house (4).
2. rotary ring-shaped blowout preventer as claimed in claim 1 is characterized in that, said bearing arrangement (11) is made up of bearing that bears radial load and the thrust bearing that bears axial load.
3. rotary ring-shaped blowout preventer as claimed in claim 1 is characterized in that, the said opposite face of going up rotating cylinder (7), following rotating cylinder (8) is provided with pin-and-hole, and last rotating cylinder (7), following rotating cylinder (8) are fixedly connected through trundle (13).
4. rotary ring-shaped blowout preventer as claimed in claim 3 is characterized in that, is with short cover (14) on the said trundle (13).
5. rotary ring-shaped blowout preventer as claimed in claim 1; It is characterized in that; Said housing is provided with upper joint sleeve (15), lower joint sleeve (16) respectively in (1) upper and lower mouthful of place; The port of upper joint sleeve (15), lower joint sleeve (16) is provided with guide angle, and upper joint sleeve (15), lower joint sleeve (16) are fixed on rotating cylinder (7), the open-work wall at following rotating cylinder (8) the tube end through lock pin (17) respectively.
6. rotary ring-shaped blowout preventer as claimed in claim 5 is characterized in that, the outer wall of said upper joint sleeve (15), lower joint sleeve (16) adopts the annular step tread to cooperate with the corresponding surface of housing (1).
7. like claim 5 or 6 described rotary ring-shaped blowout preventers, it is characterized in that said upper joint sleeve (15) and suitable for reading of housing (1) are provided with the sealing ring sealing.
8. rotary ring-shaped blowout preventer as claimed in claim 7; It is characterized in that; Said upper joint sleeve (15) is made up of upper ring cap (20), following ring set (21), and upper ring cap (20), following ring set (21) connect through bolt, and sealing ring is enclosed within down outer wall place, ring set (21) upper end.
9. rotary ring-shaped blowout preventer as claimed in claim 1; It is characterized in that; Said packing element assembly (2) is with support tube (22) in the packing element outer wall; Support tube (22) is made up of the semicircular cylinder of two make-ups, and support tube (22) barrel is provided with oil-through hole (23), and support tube (22) upper and lower end is against respectively on the upper surface of retainer ring (9) lower surface and following retainer ring (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910215935A CN101761320B (en) | 2009-12-26 | 2009-12-26 | Rotary ring-shaped blowout preventer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910215935A CN101761320B (en) | 2009-12-26 | 2009-12-26 | Rotary ring-shaped blowout preventer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101761320A CN101761320A (en) | 2010-06-30 |
| CN101761320B true CN101761320B (en) | 2012-09-26 |
Family
ID=42492688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910215935A Expired - Fee Related CN101761320B (en) | 2009-12-26 | 2009-12-26 | Rotary ring-shaped blowout preventer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101761320B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9540898B2 (en) | 2014-06-26 | 2017-01-10 | Sunstone Technologies, Llc | Annular drilling device |
| CN106285545B (en) * | 2016-10-11 | 2019-04-12 | 中国石油集团渤海钻探工程有限公司 | Continuous cyclic drilling realizing active sealing formula swivel control head and thereon shackle method |
| CN110952948A (en) * | 2019-11-11 | 2020-04-03 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | Bearing assembly of rotary blowout preventer |
| CN113309484B (en) * | 2021-06-29 | 2022-08-02 | 延长泽坤工贸有限公司 | Rotary blowout preventer for oil well construction operation |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2630481Y (en) * | 2003-08-06 | 2004-08-04 | 大庆石油管理局 | Rotary blow-out preventer |
| CN2648048Y (en) * | 2003-09-10 | 2004-10-13 | 中国石油天然气股份有限公司 | Novel active sealing rotary blowout preventer and control device thereof |
| CN201024969Y (en) * | 2007-05-22 | 2008-02-20 | 大庆石油管理局 | Rotary ejection preventer for under balance drilling well |
| CN201574717U (en) * | 2009-12-26 | 2010-09-08 | 杨颖辉 | Rotary annular blowout preventer |
-
2009
- 2009-12-26 CN CN200910215935A patent/CN101761320B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2630481Y (en) * | 2003-08-06 | 2004-08-04 | 大庆石油管理局 | Rotary blow-out preventer |
| CN2648048Y (en) * | 2003-09-10 | 2004-10-13 | 中国石油天然气股份有限公司 | Novel active sealing rotary blowout preventer and control device thereof |
| CN201024969Y (en) * | 2007-05-22 | 2008-02-20 | 大庆石油管理局 | Rotary ejection preventer for under balance drilling well |
| CN201574717U (en) * | 2009-12-26 | 2010-09-08 | 杨颖辉 | Rotary annular blowout preventer |
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| Publication number | Publication date |
|---|---|
| CN101761320A (en) | 2010-06-30 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120926 Termination date: 20211226 |
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| CF01 | Termination of patent right due to non-payment of annual fee |