CN200985768Y - Blowout preventer of slide sealing shutter - Google Patents
Blowout preventer of slide sealing shutter Download PDFInfo
- Publication number
- CN200985768Y CN200985768Y CN 200620168541 CN200620168541U CN200985768Y CN 200985768 Y CN200985768 Y CN 200985768Y CN 200620168541 CN200620168541 CN 200620168541 CN 200620168541 U CN200620168541 U CN 200620168541U CN 200985768 Y CN200985768 Y CN 200985768Y
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- CN
- China
- Prior art keywords
- glue core
- cover plate
- base gum
- cover board
- anterior
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a sliding sealing flashboard blowout preventer used in pressurized operations of oil or water wells. Each semi flashboard is composed of a holder 1, a bolt 2, a cover board 3, a front base gum 5, a top base gum 4; wherein, the holder 1 is arranged at the outer side of the cover board 3 and fixed with the cover board by the bolt 2; the cover board 3 has a cavity provided with the front base gum 5, with a semi groove formed by the outer margin of the cover board 3 and the holder 1 provided with the top base gum 4, the semi groove, by making a locating dowel pin of the semi groove go through a pin hole on the front base gum 5, fix the front base gum 5 and the top base gum 4 together on the cover board 3 and the holder 1, and the front base gum 5 and the top base gum 4 firmly contact with the cover board 3 and are able to realize a sliding sealing. The blowout preventer has the advantages of compact structure, better sealing performance thanks to the adoption of a sliding sealing manner, and longer service life. The blowout preventer adopts a hydraulic drive and control and therefore may be operated conveniently and realize an automatic control easily and is suitable for broad application in pressurized operations of oil or water wells.
Description
Technical field:
The utility model relates to a kind of wellhead assembly that is used for oil water well working with pressure blowout prevention safety.
Background technology:
The input that adopts the Operating Pressure technology can remove required well killing fluid of routine work and ground installation thereof to the oil-water well operation; be that cost saving is pollution-free again; can protect and keep the original production capacity of oil reservoir, help the oil-water well ordinary production, thereby more and more be used and promote.At present on-the-spot use more preventer sealing device mainly be the ram preventer sealing device of conventional under balance pressure drilling system and Operating Pressure partly seal the preventer sealing device.Although these two kinds of sealing devices widespread usage in the well-control equipment of under balance pressure drilling system and in the oil water well working with pressure system, but the sealing pair of above-mentioned application mainly is to be operated in the static seal state, even be operated in the movable sealing operating mode once in a while, application life is also lower.The annular preventer that is generally used for oil water well working with pressure at present is then because the restriction of hydraulic control system, the blowout prevention work requirements that can not bear high pressure preferably, and cost is higher, makes it be difficult to obtain more applications and popularization.
The utility model content:
The utility model purpose is to provide a kind of slipper seal ram preventer effective at movable sealing operating mode lower seal, long service life that can guarantee in the oil water well working with pressure process.
The purpose of this utility model is achieved in that this kind preventer constitutes a complete sealing device by the relative assembling of two and half flashboards, each half flashboard is respectively by clamper, cover plate, anterior glue core, top glue core, screw is formed, clamper places the cover plate outside and by screw the two is connected to a fixed, be embedded with anterior glue core in the cover plate chamber, top glue core is housed in the half circle groove that constitutes between cover plate outer rim and the clamper, and pass the pin-and-hole of anterior glue core with anterior glue core by himself location pin, top glue core is fixed on cover plate and the clamper together, and anterior glue core closely contacts with top glue core and cover plate and can realize slipper seal synchronously.During work, two and half flashboards are used complete slipper seal ram preventer of formation in pairs.This preventer is linked to each other with the piston rod that drives hydraulic cylinder, control the motion of hydraulic cylinder, thereby the packing unit of controlling this sliding sealing device is to the seal closure of institute's Seal Oil tubing string or open by hydraulic control valve.Because the glue core that adopted is provided with suitable eccentric throw, for improve its sealing reliability and bulk strength, increasing the service life has certain effect.The semicircle cambered surface of anterior glue core is in sealing tubing string external diameter, and its planar section also is subjected to cylinder pushes to produce extruding and is out of shape, and forms the slipper seal contact pressure; Meanwhile, top glue core also with the upper surface effect of preventer cavity, produce crimp and form the slipper seal contact pressure.When this preventer cut out, because the design feature in flashboard chamber, pressure medium can arrive the bottom and the back of sliding sealing device in the well, produced and helped seal pressure.This seal pressure that helps is superimposed upon on the glue core sealing load, contact pressure on anterior glue core sealing cambered surface and the plane is increased, the contact pressure of top glue core is increased, form and help the envelope effect, guarantee that the combination sealing pair is in the closed position all the time, thereby improved the reliability of blowout prevention sealing.The sealing pair of this preventer adopts the polymeric material and the high elastic rubber combined material that adapt to water lubrication to constitute black box, be installed in the two and half envelope flashboards, directly seal the oil pipe periphery, horizontal extruding by piston during work makes rubber deformation, direct and the shell inner surface formation sealing in top, middle reaching with the periphery of tubing string by polymeric material contacts, bear contact pressure and compound rubber and realize sealing, thereby can significantly reduce the abrasion amount of sealing pair rubber, thereby keep the long working life of sealing pair.
The utility model compact conformation, reliable operation is owing to adopt slipper seal, the bigger raising of sealing performance, and long service life, this preventer adopts Driven by Hydraulic Cylinder and control, easy to operate, be easy to realize automatic control, be suitable for extensive use in the oil water well working with pressure construction.
Description of drawings:
Fig. 1 is a general structure schematic diagram of the present utility model.Fig. 2 is its left view.Fig. 3, Fig. 4 are the elevation and the vertical view of clamper 1.Fig. 5, Fig. 6 are the elevation and the right view of cover plate 3.Fig. 7, Fig. 8 are the vertical view and the elevation of top glue core 4.Fig. 9, Figure 10 are the vertical view and the lateral view of anterior glue core 5.
The specific embodiment:
The utility model is provided by following examples, below in conjunction with accompanying drawing the utility model is further described.
As shown in the figure, the utility model is assembled relatively by two and half flashboards and is constituted a complete seal device, each half flashboard is respectively by clamper 1, screw 2, cover plate 3, anterior glue core 5, top glue core 4 is formed, its structure, assembled relation is as follows: clamper 1 places cover plate 3 outsides and by screw 2 the two is connected to a fixed, be embedded with anterior glue core 5 in cover plate 3 chambeies, in the half circle groove that constitutes between cover plate 3 outer rims and the clamper 1 top glue core 4 is housed, and pass the pin-and-hole of anterior glue core 5 with anterior glue core 5 by himself location pin, top glue core 4 is fixed on cover plate 3 and the clamper 1 together, and anterior glue core 5 closely contacts with cover plate 3 with top glue core 4 and can realize slipper seal synchronously.Wherein, clamper 1 top small diameter cylinders body end face is processed with and is used for and the corresponding "T"-shaped groove 6 of driving hydraulic cylinder piston boom end, middle part semicircular in shape cavity, inner surface 7 matches with dress cover plate 3 semicircle faces within it, realization is to the clamping of cover plate, the inner surface both sides be processed be used for to cover plate radially with circumferential pinpoint face of cylinder step 8, both sides are provided with and are used to pass the oblique waist shape screw that screw 2 connects as one clamper 1 and cover plate 3, the bottom periphery is similar to the face of cylinder.Cover plate 3 external surface tops are arc surface 10, the middle part is the face of cylinder 11, the bottom is a round platform 12, match with clamper 1 inner surface respectively, the both sides, top are respectively equipped with and the corresponding oblique screw 13 of clamper 1 screw, and the bottom is provided with carries out spacing pin-and-hole 14 when being used to install top glue core 4 and anterior glue core 5.Top glue core 4 is a semi-circular ring, form by rubber glue core 15, glue stem stem pin 16, plain cushion iron 17 and taper liner iron 18, adopt particular manufacturing craft and corresponding positioning process technology to become one by sulfuration, the shape of changing of the bullet by elastomeric material realizes preventer housing upper surface is sealed.Anterior glue core 5 is a calyptra, form by top backing plate 19, rubber glue core 20, polymer wear ring 21 and bottom backing plate 22, adopt the sulfuration of particular manufacturing craft and corresponding positioning process technology to be one, realize the sealing of corresponding tubing string by the elastic deformation of elastomeric material, both sides are provided with the column pin hole 23 that is used to assign 4 two pins 16 of top glue core.
Claims (3)
1, a kind of slipper seal ram preventer, this kind preventer is assembled relatively by two and half flashboards and is constituted, each half flashboard is respectively by clamper (1), screw (2), cover plate (3), anterior glue core (5), top glue core (4) is formed, it is characterized in that: clamper (1) places cover plate (3) outside and by screw (2) the two is connected to a fixed, cover plate (3) is embedded with anterior glue core (5) in the chamber, in the half circle groove that constitutes between cover plate (3) outer rim and the clamper (1) top glue core (4) is housed, and pass the pin-and-hole of anterior glue core (5) with anterior glue core (5) by himself location pin, top glue core (4) is fixed on cover plate (3) and the clamper (1) together, and anterior glue core (5) closely contacts with top glue core (4) and cover plate (3) and can realize slipper seal synchronously.
2, slipper seal ram preventer according to claim 1, it is characterized in that: top glue core (4) is semi-circular ring, form by rubber glue core (15), glue stem stem pin (16), plain cushion iron (17) and taper liner iron (18), adopt particular manufacturing craft and corresponding positioning process technology to become one by sulfuration, the shape of changing of the bullet by elastomeric material realizes preventer housing upper surface is sealed.
3, slipper seal ram preventer according to claim 1, it is characterized in that: anterior glue core (5) is a calyptra, form by top backing plate (19), rubber glue core (20), polymer wear ring (21) and bottom backing plate (22), adopt the sulfuration of particular manufacturing craft and corresponding positioning process technology to be one, realize the sealing of corresponding tubing string by the elastic deformation of elastomeric material, two are provided with the column pin hole (23) that is used to assign (4) two pins of top glue core (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620168541 CN200985768Y (en) | 2006-12-18 | 2006-12-18 | Blowout preventer of slide sealing shutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620168541 CN200985768Y (en) | 2006-12-18 | 2006-12-18 | Blowout preventer of slide sealing shutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200985768Y true CN200985768Y (en) | 2007-12-05 |
Family
ID=38915226
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620168541 Expired - Fee Related CN200985768Y (en) | 2006-12-18 | 2006-12-18 | Blowout preventer of slide sealing shutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200985768Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103249907A (en) * | 2010-09-29 | 2013-08-14 | 国民油井华高公司 | Blowout preventer blade assembly and method of using same |
| CN108488405A (en) * | 2018-03-30 | 2018-09-04 | 苏州道森钻采设备股份有限公司 | A kind of built-in reducing sealing extra large cable slide valve of cylinder body |
| CN111456668A (en) * | 2020-04-01 | 2020-07-28 | 刘超 | Semi-sealing blowout preventer for oil well fracturing |
-
2006
- 2006-12-18 CN CN 200620168541 patent/CN200985768Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103249907A (en) * | 2010-09-29 | 2013-08-14 | 国民油井华高公司 | Blowout preventer blade assembly and method of using same |
| CN103249907B (en) * | 2010-09-29 | 2016-02-17 | 国民油井华高公司 | Preventer blade assembly and using method thereof |
| CN108488405A (en) * | 2018-03-30 | 2018-09-04 | 苏州道森钻采设备股份有限公司 | A kind of built-in reducing sealing extra large cable slide valve of cylinder body |
| CN108488405B (en) * | 2018-03-30 | 2020-08-04 | 苏州道森钻采设备股份有限公司 | Cylinder built-in reducing sealing submarine cable gate valve |
| CN111456668A (en) * | 2020-04-01 | 2020-07-28 | 刘超 | Semi-sealing blowout preventer for oil well fracturing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071205 Termination date: 20100118 |