CN2567336Y - Multifunction well head device - Google Patents
Multifunction well head device Download PDFInfo
- Publication number
- CN2567336Y CN2567336Y CN 02238022 CN02238022U CN2567336Y CN 2567336 Y CN2567336 Y CN 2567336Y CN 02238022 CN02238022 CN 02238022 CN 02238022 U CN02238022 U CN 02238022U CN 2567336 Y CN2567336 Y CN 2567336Y
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- CN
- China
- Prior art keywords
- flange
- polished rod
- valve
- well head
- outlet
- 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 multifunction well head device suitable for oil-field development. The utility model is formed by that a polished rod sealer and a bias-adjustable and parting blowout preventing device of a polished rod are arranged above a well head device, a flange end segment, anti-theft valves, a sampler and a one-way valve are arranged below the well head device, and the anti-theft valves, the sampler and the one-way valve are arranged on the flange end segment. An upper flange of a short flange segment is connected with a well head flange, and a lower flange is connected with a sleeve pipe flange. A tubing hanger and a seat seal are arranged in the short flange segment, and the seat seal is arranged on a concave stand of the flange short segment. Two tubing outlets are arranged on the 180 DEG horizontal line of the middle upper part of the short flange segment, wherein one outlet is provided with one anti-theft valve, and the other outlet is provided with the anti-theft sampler. Two sleeve pipe outlets are arranged on the 180 DEG horizontal line of the middle lower part of the short flange segment, wherein one outlet is provided with one anti-theft valve, and the other outlet is provided with a check valve. The upper end of the cylindrical bias-adjustable and parting blowout preventing device of a polished rod is connected with a clamp of the polished rod sealer, and the lower end is connected with a clamp of the well head flange. The polished rod sealer is sealed by two stages of concave packing boxes. The well head device with the technical scheme does not carry out a disassembly process during workover jobs; thereby, no oil leakage of the well head is ensured, and the requirements of oil well production are satisfied. The anti-theft devices effectively prevent the phenomenon that crude oil is stolen.
Description
One, technical field: the utility model relates to a kind of multifunctional wellhead device of suitable oil field development.
Two, background technology: the device of oil field shaft mouth use at present mainly contains the disconnected preventer that takes off of polished rod sealer, polished rod device for adjusting deviation and polished rod, and the below is the flange end joint and is located at antitheft valve, sampler, the one way valve that flange end saves.Main existing problems one are the job execution inconveniences, have increased the workload of dismounting well head; The 2nd, anti-theft feature is perfect inadequately; The 3rd, disconnected to take off aspect design such as blowout prevention unreasonable at polished rod tuningout, polished rod, needs that can not fine adaptation field produces.
Three, summary of the invention: the purpose of this utility model is exactly the problems referred to above that exist at prior art, and a kind of better multifunctional wellhead device that is suitable for field produces is provided.
The technical solution of the utility model realizes in the following manner:
Multifunctional wellhead device comprises the disconnected preventer that takes off of polished rod sealer, polished rod device for adjusting deviation and the polished rod of design above wellhead assembly, and the below is the flange end joint and is located at antitheft valve, sampler, the one way valve that flange end saves.The upper flange that it is characterized in that flange spool is connected with wellhead flange, lower flange is connected with casing flange, be provided with boll-weevil hanger, seat envelope in the inside of flange spool, seat is enclosed on the concave station of flange spool, on the horizon of the middle and upper part of flange spool 180 degree, be provided with two oil pipe outlets, antitheft valve is equipped with in an outlet, antitheft sampler is equipped with in another outlet, on the horizon of the middle and lower part of flange spool 180 degree, be provided with two sleeve pipe outlets, antitheft valve is equipped with in an outlet, and ball-and-seat is equipped with in another outlet.
Polished rod tuningout, polished rod be disconnected, and to take off preventer cylindrical, upper end and polished rod sealer clamp connection, lower end and wellhead flange clamp connection, its top is provided with the valve plate limit base, lower end at the valve plate limit base is provided with pin, the place, point of contact of valve plate is provided with pin-and-hole, is enclosed within on the pin, is acted on by the torsion spring on the pin.The tuningout spheroid is established in its inside, and ball seat drops on the sliding plate, and sliding plate is landed in the clip head and is made as on the rule seat of one, is cooperated with the box thread of preventer bottom by the male thread on the sliding plate and fixes, and the tuningout spheroid is the pear shape, and its center is empty.
Polished rod sealer is cylindrical, top is provided with the packing pressure cap, be connected with the box thread of polished rod sealer, the bottom is provided with clip head and polished rod tuningout, the disconnected clamp connection of taking off on the preventer of polished rod, and bottom is provided with helical spring in it, and one-level spill packing box is established in helical spring upper end, the one-level packing box is provided with the transmission pin, trundle nails on establishes secondary spill packing box, is provided with sealed packing in the packing box, regulates the packing degree of tightness by regulating cap with the packing of packing pressure cap screwed connection.
Adopt the wellhead assembly of technique scheme when workover treatment, need not dismantle flow process, the polished rod tuningout that well head is provided with, the disconnected preventer that takes off of polished rod, cooperation effectively between the polished rod sealer, guaranteed the oil-proof needs that satisfy oil well production of well head, anti-theft device effectively stops the generation of the stolen phenomenon of crude oil especially.
Four, description of drawings:
Fig. 1 is the utility model master TV structure schematic diagram;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the antitheft valve partial structurtes enlarged drawing shown in 7 among the figure;
Fig. 4 is the disconnected structure enlarged drawing that takes off preventer of the polished rod tuningout shown in 2 among Fig. 1, polished rod;
Fig. 5 is the structure enlarged drawing of the polished rod sealer shown in 1 among Fig. 1.
Five, the specific embodiment:
Contrast Fig. 1 and Fig. 2, multifunctional wellhead device comprises the disconnected preventer 2 that takes off of polished rod sealer 1, polished rod device for adjusting deviation and the polished rod of design above wellhead assembly, the flange end joint 4 of below and the antitheft valve 7, sampler 5, the one way valve 9 that are located on the flange end joint 4.The upper flange of flange spool 4 is connected with wellhead flange 3, and lower flange is connected with casing flange 6.Be provided with boll-weevil hanger 10, seat envelope in the inside of flange spool 4, seat is enclosed on the concave station of flange spool 4.Be provided with two oil pipe outlets on the horizon of the middle and upper part of flange spool 4 180 degree, antitheft valve 7 is equipped with in an outlet, and antitheft sampler 5 is equipped with in another outlet.Be provided with two sleeve pipe outlets on the horizon of the middle and lower part of flange spool 4 180 degree, antitheft valve 7 is equipped with in an outlet, and ball-and-seat 9 is equipped with in another outlet.
Contrast Fig. 3, polished rod tuningout, polished rod be disconnected, and to take off preventer 2 cylindrical, upper end and polished rod sealer 1 clamp connection, lower end and wellhead flange 3 clamp connections.Polished rod tuningout, polished rod be disconnected to be taken off preventer 2 and mainly is made up of clip 22, sliding plate 23, pressure cap 24, spheroid 25, blowout prevention body 26, valve plate 27, torsion spring 28.The top of clip 22 is equipped with sliding plate 23 and is used for the polished rod tuningout.Spheroid 25 is housed on the sliding plate 23 is used for transferring tiltedly, the pressure cap 24 with blowout prevention body 26 one is equipped with on the top of clip 22, and spheroid 25 tops are placed in blowout prevention body 26, and valve plate 27 is housed in the blowout prevention body 26.During operate as normal, valve plate 27 is opened, and when rod parting, valve plate 27 is under the effect of torsion spring 28, and closing passage prevents that crude oil from overflowing.Contrast Fig. 4, polished rod sealer 1 mainly regulate cap 21 by body 13, spring 14, primary seal packing box 15, primary seal packing 16, transmission pin 17, secondary seal packing box 18, secondary seal packing 19, pressure cap 20, packing and form.During operate as normal, pressure cap 20 compresses secondary seal packing box 18 and power is passed to transmission pin 17, transmission pin 17 presses down one-level packing box 15, makes the primary seal packing be in off working state, and the packing in the pressure cap 20 is regulated the degree of tightness that cap 21 is used to regulate primary seal packing 19.When unclamping pressure cap 20, under the elastic force effect, primary seal packing 19 is pressed in running order.
Contrast Fig. 1,5, antitheft valve 7 is in valve gap 29 upper ends of common gate valve antitheft helmet to be housed, antitheft helmet need could be opened with special tool.Boll-weevil hanger 10 is equipped with in the inside of flange spool 4, the middle part of boll-weevil hanger 10 has two through holes to communicate with circular trough, and top two holes between 4 liang of flanges of circular trough and flange spool communicate, and top two holes are equipped with antitheft valve 7 and tee piece 8 respectively between 4 liang of flanges of flange spool.Tee piece 8 is that one way valve is equipped with in an outlet, is convenient to clean the petroleum pipeline operation; Antitheft sampler 5 is equipped with in another hole.Thread protector 11 is equipped with in the upper end of boll-weevil hanger 10, and latch 12 is housed on the thread protector 11, and latch 12 faces the circular trough of wellhead flange 3, and when there was pressure well head inside, latch 12 was pushed in the circular trough of wellhead flange 3, played antitheft effect.When pressure is reduced to zero, the pin hole of latch retract thread protector 11.
Claims (3)
1, a kind of multifunctional wellhead device, be included in the polished rod sealer of wellhead assembly top, the disconnected preventer that takes off of polished rod device for adjusting deviation and polished rod, the below is flange spool and the antitheft valve that is located on the flange spool, sampler, one way valve, the upper flange that it is characterized in that flange spool is connected with wellhead flange, lower flange is connected with casing flange, inside at flange spool is provided with boll-weevil hanger, the seat envelope, seat is enclosed on the concave station of flange spool, on the horizon of the middle and upper part of flange spool 180 degree, be provided with two oil pipe outlets, antitheft valve is equipped with in an outlet, antitheft sampler is equipped with in another outlet, on the horizon of the middle and lower part of flange spool 180 degree, be provided with two sleeve pipe outlets, antitheft valve is equipped with in an outlet, and ball-and-seat is equipped with in another outlet.
2, multifunctional wellhead device according to claim 1, it is characterized in that the polished rod tuningout, polished rod is disconnected, and to take off preventer cylindrical, upper end and polished rod sealer clamp connection, lower end and wellhead flange clamp connection, its top is provided with the valve plate limit base, lower end at the valve plate limit base is provided with pin, the place, point of contact of valve plate is provided with pin-and-hole, is enclosed within on the pin, is acted on by the torsion spring on the pin, the tuningout spheroid is established in its inside, ball seat drops on the sliding plate, and sliding plate is landed in the clip head and is made as on the rule seat of one, is cooperated fixing with the box thread of preventer bottom by the male thread on the sliding plate, the tuningout spheroid is the pear shape, and its center is empty.
3, multifunctional wellhead device according to claim 1, it is characterized in that polished rod sealer is cylindrical, top is provided with the packing pressure cap, be connected with the box thread of polished rod sealer, the bottom is provided with long hoop head and polished rod tuningout, the disconnected clamp connection of taking off on the preventer of polished rod, bottom is provided with helical spring in it, one-level spill packing box is established in helical spring upper end, the one-level packing box is provided with the transmission pin, trundle nails on establishes secondary spill packing box, be provided with sealed packing in the packing box,, regulate the packing degree of tightness by regulating cap with the packing of packing pressure cap screwed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02238022 CN2567336Y (en) | 2002-01-09 | 2002-06-28 | Multifunction well head device |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN02212046.7 | 2002-01-09 | ||
| CN02212046 | 2002-01-09 | ||
| CN 02238022 CN2567336Y (en) | 2002-01-09 | 2002-06-28 | Multifunction well head device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2567336Y true CN2567336Y (en) | 2003-08-20 |
Family
ID=34064957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02238022 Expired - Fee Related CN2567336Y (en) | 2002-01-09 | 2002-06-28 | Multifunction well head device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2567336Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018018142A1 (en) * | 2016-07-26 | 2018-02-01 | Western Oiltools Ltd. | Method and apparatus for production well pressure containment for blowout protection |
| US10597968B2 (en) | 2015-07-09 | 2020-03-24 | Dreco Energy Services Ulc | Modified stuffing box |
| US10920887B2 (en) | 2016-02-10 | 2021-02-16 | Dreco Energy Services Ulc | Anti-extrusion seal arrangement and ram-style blowout preventer |
| US10941628B2 (en) | 2017-09-25 | 2021-03-09 | Dreco Energy Services Ulc | Adjustable blowout preventer and methods of use |
| US11035198B2 (en) | 2017-01-16 | 2021-06-15 | Dreco Energy Services Ulc | Multifunction blowout preventer |
| CN114645951A (en) * | 2020-12-17 | 2022-06-21 | 中国石油化工股份有限公司 | Opening and closing device for mechanical downward pressing type gate valve |
-
2002
- 2002-06-28 CN CN 02238022 patent/CN2567336Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10597968B2 (en) | 2015-07-09 | 2020-03-24 | Dreco Energy Services Ulc | Modified stuffing box |
| US10920887B2 (en) | 2016-02-10 | 2021-02-16 | Dreco Energy Services Ulc | Anti-extrusion seal arrangement and ram-style blowout preventer |
| WO2018018142A1 (en) * | 2016-07-26 | 2018-02-01 | Western Oiltools Ltd. | Method and apparatus for production well pressure containment for blowout protection |
| US10900313B2 (en) | 2016-07-26 | 2021-01-26 | Dreco Energy Services Ulc | Method and apparatus for production well pressure containment for blowout |
| US11035198B2 (en) | 2017-01-16 | 2021-06-15 | Dreco Energy Services Ulc | Multifunction blowout preventer |
| US10941628B2 (en) | 2017-09-25 | 2021-03-09 | Dreco Energy Services Ulc | Adjustable blowout preventer and methods of use |
| CN114645951A (en) * | 2020-12-17 | 2022-06-21 | 中国石油化工股份有限公司 | Opening and closing device for mechanical downward pressing type gate valve |
| CN114645951B (en) * | 2020-12-17 | 2024-02-09 | 中国石油化工股份有限公司 | Mechanical downward-pressing gate valve opening and closing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |