CN104278966A - High-performance spherical well sealing blowout preventer - Google Patents
High-performance spherical well sealing blowout preventer Download PDFInfo
- Publication number
- CN104278966A CN104278966A CN201410558666.9A CN201410558666A CN104278966A CN 104278966 A CN104278966 A CN 104278966A CN 201410558666 A CN201410558666 A CN 201410558666A CN 104278966 A CN104278966 A CN 104278966A
- Authority
- CN
- China
- Prior art keywords
- piston
- top cover
- ring
- well
- performance spherical
- 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.)
- Pending
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 9
- 239000010959 steel Substances 0.000 claims abstract description 9
- 239000000428 dust Substances 0.000 claims description 7
- 239000003292 glue Substances 0.000 claims description 7
- 230000009286 beneficial effect Effects 0.000 description 2
- 241001074085 Scophthalmus aquosus Species 0.000 description 1
- 230000034994 death Effects 0.000 description 1
- 231100000517 death Toxicity 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
- E21B33/06—Blow-out preventers, i.e. apparatus closing around a drill pipe, e.g. annular blow-out preventers
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Sealing Devices (AREA)
Abstract
The invention discloses a high-performance spherical well sealing blowout preventer which is characterized by comprising a shell (1), a Z-shaped piston (2), an inner sealing ring (3) of the piston, a steel dustproof ring (4), a hemispherical rubber core (5), a top cover (6) and a sealing ring (7). The Z-shaped piston (2) and the inner sealing ring (3) of the piston are mounted in the shell (1), the steel dustproof ring (4) and the hemispherical rubber core (5) are mounted on the upper portion of the Z-shaped piston (2), the top cover (6) is mounted on the upper portion of the shell (1), and the sealing ring (7) is mounted on the upper end surface of the top cover (6). The high-performance spherical well sealing blowout preventer has the advantages of simple structure, reasonable design, high pressure-bearing capacity, sealing performance and well sealing capacity, safety and reliability.
Description
Technical field
The invention provides a kind of preventer, be specifically related to a kind of high performance spherical shut-in well preventer.
Background technology
Preventer is the safety equipment preventing gas blowout accident from must join in brill, well workover.In petroleum drilling operation, be arranged on casing head of well head, be used for control hydraulic oil, gas, water well blowout preventing device.For a long time, due to reason on blowout preventer designs and human factor, often occur to cause breaking of rod bar, the major accident of falling derrick because of maloperation after closedown preventer, even cause operating personnel's injures and deaths, cause great loss to field produces.
Summary of the invention
The invention provides a kind of high performance spherical shut-in well preventer, utilize high performance spherical of the present invention to shunt in a well preventer to manufacture wellhead blowout preventor, have that sealing performance is high, shut-in well ability is strong, reach safe and reliable enforcement shut-in well object.
Technical solution of the present invention is: this high performance spherical shut-in well preventer comprises housing, Z-type piston, piston inner seal ring, steel dust ring, dome-type glue core, top cover and sealing ring, installs Z-type piston and piston inner seal ring in the housing.
In high performance spherical shut-in well preventer of the present invention, on the top of Z-type piston, steel dust ring and dome-type glue core are installed.
In high performance spherical shut-in well preventer of the present invention, on the top of housing, top cover is installed.
In high performance spherical shut-in well preventer of the present invention, in the upper surface of top cover, sealing ring is installed.
Beneficial effect of the present invention is: structure is simple, and reasonable in design, bear elevated pressures, sealing performance is high, and shut-in well ability is strong, safe and reliable.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
In figure: 1, housing 2, Z-type piston 3, piston inner seal ring 4, steel dust ring 5, dome-type glue core 6, top cover 7, sealing ring
Detailed description of the invention
As shown in Figure 1, this high performance spherical shut-in well preventer comprises housing 1, Z-type piston 2, piston inner seal ring 3, steel dust ring 4, dome-type glue core 5, top cover 6 and sealing ring 7, installs Z-type piston 2 and piston inner seal ring 3 within the case 1.
In high performance spherical shut-in well preventer of the present invention, on the top of Z-type piston 2, steel dust ring 4 and dome-type glue core 5 are installed.
In high performance spherical shut-in well preventer of the present invention, on the top of housing 1, top cover 6 is installed.
In high performance spherical shut-in well preventer of the present invention, in the upper surface of top cover 6, sealing ring 7 is installed.
Beneficial effect of the present invention is: structure is simple, and reasonable in design, bear elevated pressures, sealing performance is high, and shut-in well ability is strong, safe and reliable.
Claims (1)
1. high performance spherical shut-in well preventer, it is characterized in that: this high performance spherical shut-in well preventer comprises housing (1), Z-type piston (2), piston inner seal ring (3), steel dust ring (4), dome-type glue core (5), top cover (6) and sealing ring (7), in housing (1), Z-type piston (2) and piston inner seal ring (3) are installed, on the top of Z-type piston (2), steel dust ring (4) and dome-type glue core (5) are installed, on the top of housing (1), top cover (6) is installed, in the upper surface of top cover (6), sealing ring (7) is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410558666.9A CN104278966A (en) | 2014-10-17 | 2014-10-17 | High-performance spherical well sealing blowout preventer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410558666.9A CN104278966A (en) | 2014-10-17 | 2014-10-17 | High-performance spherical well sealing blowout preventer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104278966A true CN104278966A (en) | 2015-01-14 |
Family
ID=52254257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410558666.9A Pending CN104278966A (en) | 2014-10-17 | 2014-10-17 | High-performance spherical well sealing blowout preventer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104278966A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104847306A (en) * | 2015-04-09 | 2015-08-19 | 西南石油大学 | Underground rod pipe safety valve |
| CN105443068A (en) * | 2015-12-16 | 2016-03-30 | 常熟市虹桥铸钢有限公司 | Blowout preventer piston |
-
2014
- 2014-10-17 CN CN201410558666.9A patent/CN104278966A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104847306A (en) * | 2015-04-09 | 2015-08-19 | 西南石油大学 | Underground rod pipe safety valve |
| CN104847306B (en) * | 2015-04-09 | 2018-04-06 | 西南石油大学 | A kind of underground rod tube safety valve |
| CN105443068A (en) * | 2015-12-16 | 2016-03-30 | 常熟市虹桥铸钢有限公司 | Blowout preventer piston |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150114 |