CN201209414Y - Multifunctional shaft mouth device - Google Patents
Multifunctional shaft mouth device Download PDFInfo
- Publication number
- CN201209414Y CN201209414Y CNU2008200377489U CN200820037748U CN201209414Y CN 201209414 Y CN201209414 Y CN 201209414Y CN U2008200377489 U CNU2008200377489 U CN U2008200377489U CN 200820037748 U CN200820037748 U CN 200820037748U CN 201209414 Y CN201209414 Y CN 201209414Y
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- valve
- oil pipe
- pipe gate
- combination
- wellhead device
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Abstract
The utility model relates to a multifunctional wellhead device which comprises a large four-way valve, an upper flange, an oil pipe hanger, a sleeve gate valve, oil pipe gate valves, a throttling valve, and the like, wherein the oil pipe hanger is installed in the large four-way valve, a testing valve and the sleeve gate valve are respectively installed at both sides of the large four-way valve, and the upper flange is fixed at the upper part of the large four-way valve and is connected with a main valve. The multifunctional wellhead device is characterized in that a combination valve is connected to the upper end of the main valve, the other three ends of the combination valve are connected with the oil pipe gate valves, and the throttling valve is installed at one outer side of the oil pipe gate valves; a surface safety valve is installed at the lower half part of the combination valve, and the three oil pipe gate valves are connected to the upper half part of the combination valve. Because the combination valve structure including the surface safety valve is adopted in the multifunctional wellhead device, the emergency shut-down can be realized through the surface safety valve when an abnormal circumstance occurs under a well; because a cable channel and a fluid control pipeline channel are arranged and a single and double valve structure is adopted, the height of a wellhead is caused to be reduced by approximately 500 mm, which is favorable for operation of a drilling machine, the function of the wellhead is enhanced, and the wellhead structure is simplified.
Description
Technical field
The utility model relates to a kind of oil exploitation inlet device, specifically relate to a kind of multifunctional wellhead device that is used for offshore oil exploitation and land oil exploitation, carries surface safety valve (SSV), it can be used for electric motor drive oil pump system operation, control underground equipment, also can be used for flowing well and fracture acidizing operation.
Background technology
At present, the domestic wellhead assembly function that is used for the exploitation of offshore oil exploitation and land is few, comparatively single, particularly should satisfy electric motor drive oil pump system, to satisfy the design and the functions such as blowing production and configuration surface safety valve (SSV) of downhole safety tubing string simultaneously, general common wellhead assembly does not satisfy such requirement, needs to dispose a plurality of equipment aborning, causes cost height, troublesome poeration.In addition, because existing wellhead assembly overall height all surpasses 2.2 meters, brought inconvenience for the rig operation, and general common wellhead assembly is unfavorable for the installation and the use of well head, it is pretty troublesome that surface safety valve (SSV) is installed, and brings very big difficulty for the rig operation.In addition, existing wellhead assembly does not have the hole of passing through cable and liquid controling pipe line is set, and pass through cable or liquid controling pipe line, need establish channel in addition, has reduced the function of wellhead assembly.
The utility model content
For solving the deficiencies in the prior art, the purpose of this utility model is to provide a kind of multifunctional wellhead device, not only can guarantee to satisfy electric motor drive oil pump system, satisfy the design and the functions such as blowing production and configuration surface safety valve (SSV) of downhole safety tubing string simultaneously, height is in 2.2 meters, can pass through cable and liquid controling pipe line, and designed combination valve, surface safety valve (SSV) is combined in the combination valve, and connects main valve, big four had so both reduced height, can also realize emergency cut-off, if promptly abnormal conditions appear in the down-hole, surface safety valve (SSV) can realize emergency cut-off, and important function has been played in safety in production.
For achieving the above object, the utility model is to realize by following technical scheme:
A kind of multifunctional wellhead device, comprise big four, upper flange, tubing hanger, sleeve pipe gate valve, oil pipe gate valve, choke valve, pressure transmission flange, stop valve and pressure meter, described tubing hanger is installed in the big four, at the both sides of big four difference installation testing valve and sleeve pipe gate valve, upper fixed upper flange at big four, upper flange connects main valve, the upper end that it is characterized in that main valve connects combination valve, three ends in addition of combination valve connect the oil pipe gate valve, and choke valve is installed in the oil pipe gate valve of the side outside therein; The latter half of described combination valve is equipped with surface safety valve (SSV), and three oil pipe gate valves are connected the first half of combination valve.
Aforesaid multifunctional wellhead device is characterized in that being processed with respectively liquid controling pipe line passage and cable passage on described upper flange and tubing hanger.
Aforesaid multifunctional wellhead device is characterized in that described liquid controling pipe line passage and cable passage are respectively 3.
Aforesaid multifunctional wellhead device is characterized in that described big four, and the one side is equipped with a testing valve, and opposite side is equipped with two sleeve pipe gate valves.
Aforesaid multifunctional wellhead device is characterized in that described surface safety valve (SSV), and its toucher is installed in the behind of described combination valve.
Aforesaid multifunctional wellhead device is characterized in that being provided with sealing ring between described upper flange and tubing hanger.
The beneficial effects of the utility model are: Mobyneb wellhead assembly of the present utility model adopts the combination valve structure, reduced the well head height, make the compact conformation of whole wellhead assembly, highly reduce, the utility model being provided with passed through the passage of cable and liquid controling pipe line in addition, simplify shaft collar, made the well head function improve.
Description of drawings
Fig. 1 is the assembling schematic diagram of multifunctional wellhead device of the present utility model;
The F-F that Fig. 2 is is to partial view.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model specifically is described below:
Fig. 1 is the assembling schematic diagram of multifunctional wellhead device of the present utility model.As shown in the figure, multifunctional wellhead device of the present utility model, comprise big four 13, upper flange 6, tubing hanger 7, sleeve pipe gate valve 8, oil pipe gate valve 1, combination valve 2, choke valve 3, pressure transmission flange 4, stop valve and pressure meter, tubing hanger 7 is installed in the big four 13, at the both sides of big four 13 difference installation testing valve 9 and sleeve pipe gate valve 8, sleeve pipe gate valve 8 is two.The pressure transmission flange is installed between two sleeve pipe gate valves 8, stop valve and pressure meter are installed on the pressure transmission flange.At the upper fixed upper flange 6 of big four 13, upper flange 6 connects main valve 11, and the upper end of main valve connects combination valve 2, and three ends in addition of combination valve 2 connect oil pipe gate valve 1, and choke valve 3 is installed in the oil pipe gate valve of the side outside therein.Pressure transmission flange 4 is installed between choke valve 3 and oil pipe gate valve, stop valve and pressure meter are installed on the pressure transmission flange.The latter half of combination valve 2 is equipped with the first half that 12, three oil pipe gate valves 1 of surface safety valve (SSV) are connected combination valve 2, and the toucher 14 of surface safety valve (SSV) 12 is installed in the behind of combination valve 2, as shown in Figure 2.
Between upper flange 6 and tubing hanger 7, be provided with sealing ring.On upper flange 6 and tubing hanger 7, be processed with 3 cable passages 5 and 3 liquid controling pipe line path 10s (only illustrating a part among the figure) respectively accordingly.All valves are 29/16 * 5000psi, have 4 of 27/8TBG screw thread flanges on the outer vent valve.
Awl seat formula tubing hanger 6 is housed in the inside of big four 13, tubing hanger 6 adopts metallic seal and rubber seal, and tubing hanger 7 can hang the 27/8UPTBG oil pipe, and tubing hanger 7 upper ends and upper flange have hermetically-sealed construction, tubing hanger 7 design has 3 1/4 " NPT liquid controling pipe line hole, 3 3/8 " NPT cable passages.
The outlet of big four 13 two ends is that 29/16 * 5000psi flange connects, and tests a wing and joins 1 testing valve 9, and sleeve pipe is produced a wing and joined 2 sleeve pipe gate valves 8.Produce a wing at combination valve 2 oil pipes and join 1 oil pipe gate valve 1 and 1 choke valve 3,1 of paraffin valve, oil, sleeve pipe production side are respectively joined 1 of pressure transmission flange; The corresponding welding pipe specification of choke valve 3 welded flanges: external diameter 76, internal diameter 50; Equipped 1 homemade master safety valve that surges, the main wing latus rectum is 29/16 * 5000psi.
The utility model improves original wellhead assembly, has designed the combination valve structure, has designed single valve and double-valve structure in the both sides of big four, and has designed hermetically-sealed construction between upper flange and tubing hanger, is provided with cable passage and liquid controling pipe line passage.Such design makes the aspect ratio of well head well head of the same type reduce about 500mm, is very beneficial for the rig operation.The more important thing is that having designed combination valve contains surface safety valve (SSV), can realize emergency cut-off, if promptly abnormal conditions appear in the down-hole, surface safety valve (SSV) can realize emergency cut-off, and important function has been played in safety in production.In addition,, make the well head function improve, simplified shaft collar owing to be provided with cable and liquid controling pipe line passage.
The utility model function is many, and is simple to operation, and positive effect has been played in safety in production.
The foregoing description does not limit the utility model in any form, and all technical schemes that mode obtained of taking to be equal to replacement or equivalent transformation all drop in the protection domain of the present utility model.
Claims (6)
1, multifunctional wellhead device, comprise big four, upper flange, tubing hanger, sleeve pipe gate valve, oil pipe gate valve, choke valve, pressure transmission flange, stop valve and pressure meter, described tubing hanger is installed in the big four, at the both sides of big four difference installation testing valve and sleeve pipe gate valve, at the upper fixed upper flange of big four, upper flange connects main valve, it is characterized in that the upper end of main valve connects combination valve, three ends in addition of combination valve connect the oil pipe gate valve, and choke valve is installed in the oil pipe gate valve of the side outside therein; The latter half of described combination valve is equipped with surface safety valve (SSV), and three oil pipe gate valves are connected the first half of combination valve.
2, multifunctional wellhead device according to claim 1 is characterized in that being processed with respectively liquid controling pipe line passage and cable passage on described upper flange and tubing hanger.
3, multifunctional wellhead device according to claim 2 is characterized in that described liquid controling pipe line passage and cable passage are respectively 3.
4, multifunctional wellhead device according to claim 1 is characterized in that described big four, and the one side is equipped with a testing valve, and opposite side is equipped with two sleeve pipe gate valves.
5, multifunctional wellhead device according to claim 1 is characterized in that described surface safety valve (SSV), and its toucher is installed in the behind of described combination valve.
6, multifunctional wellhead device according to claim 1 is characterized in that being provided with sealing ring between described upper flange and tubing hanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200377489U CN201209414Y (en) | 2008-06-20 | 2008-06-20 | Multifunctional shaft mouth device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200377489U CN201209414Y (en) | 2008-06-20 | 2008-06-20 | Multifunctional shaft mouth device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201209414Y true CN201209414Y (en) | 2009-03-18 |
Family
ID=40480146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200377489U Expired - Lifetime CN201209414Y (en) | 2008-06-20 | 2008-06-20 | Multifunctional shaft mouth device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201209414Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104481444A (en) * | 2014-11-14 | 2015-04-01 | 赵吉春 | Pressure monitoring and relieving device for closed oil well |
| CN109488244A (en) * | 2018-11-02 | 2019-03-19 | 河北通运石油机械有限公司 | A kind of anti-channeling multifunctional compensating thermal production well mouth |
| CN112096334A (en) * | 2020-11-06 | 2020-12-18 | 东营市海天自动化工程有限责任公司 | Combined production tree for production well |
-
2008
- 2008-06-20 CN CNU2008200377489U patent/CN201209414Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104481444A (en) * | 2014-11-14 | 2015-04-01 | 赵吉春 | Pressure monitoring and relieving device for closed oil well |
| CN109488244A (en) * | 2018-11-02 | 2019-03-19 | 河北通运石油机械有限公司 | A kind of anti-channeling multifunctional compensating thermal production well mouth |
| CN112096334A (en) * | 2020-11-06 | 2020-12-18 | 东营市海天自动化工程有限责任公司 | Combined production tree for production well |
| CN112096334B (en) * | 2020-11-06 | 2022-02-08 | 胜利方兰德石油装备股份有限公司 | Combined production tree for production well |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090318 |