CN201650191U - Gas production wellhead assembly of high-pressure electric submersible pump - Google Patents
Gas production wellhead assembly of high-pressure electric submersible pump Download PDFInfo
- Publication number
- CN201650191U CN201650191U CN2010201801146U CN201020180114U CN201650191U CN 201650191 U CN201650191 U CN 201650191U CN 2010201801146 U CN2010201801146 U CN 2010201801146U CN 201020180114 U CN201020180114 U CN 201020180114U CN 201650191 U CN201650191 U CN 201650191U
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- China
- Prior art keywords
- eccentric
- cable
- oil pipe
- submersible pump
- electric submersible
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- 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 - Lifetime
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Abstract
The utility model provides a gas production wellhead assembly of a high-pressure electric submersible pump. The gas production wellhead assembly comprises an eccentric flange cover, an oil pipe head cross, an eccentric oil pipe hanger and a cable, wherein the eccentric flange cover is arranged at the top end of the oil pipe head cross in a sealing way and is provided with a central through hole and an eccentric hole; the eccentric oil pipe hanger is arranged in the oil pipe head cross and is provided with a gas transmission gallery and a cable gallery; the gas transmission gallery is connected with the central through hole of the eccentric flange cover; and the cable gallery is connected with the eccentric hole of the eccentric flange cover. The gas production wellhead assembly has simple structure and safe and reliable high-pressure sealing; the installation, the detachment and the maintenance are convenient when in field use, thereby obviously enhancing the safety in the high-pressure natural gas extraction.
Description
Technical field
The utility model relates to a kind of high pressure electric submersible pump gas wellhead equipment, is a kind of special gas wellhead equipment that is used for the gas field water drainage-gas recovery technology, belongs to the petroleum machinery technical field.
Background technology
Gas field electric submersible pump well head device commonly used generally comprises compositions such as tubing head four-way, upper flange, taper boll-weevil hanger, cable sealing device, Supporting ring, seal group, gland and lifting sub at present, not only the environment of pressure is made in the complicated use of cable crossing structure the basic skill or training, and sealing device damages easily in the field-mounted process, working service process difficulty, therefore, make the sealing of the gas wellhead equipment generation seepage that lost efficacy easily, result of use is very undesirable, more be not suitable for using in high-pressure environment, the danger that gas production is produced is very big.
Summary of the invention
At the problems referred to above, the purpose of this utility model be to provide a kind of simple in structure, high pressure sealing is safe and reliable, on-the-spot high pressure electric submersible pump gas wellhead equipment easy to install and use, it can strengthen the safety of natural gas extraction.
In order to achieve the above object, technical solution of the present utility model is:
A kind of high pressure electric submersible pump gas wellhead equipment comprises eccentric flange lid, tubing head four-way, eccentric oil pipe hanger and cable, and the sealing of eccentric flange lid is installed in the top of tubing head four-way, has central through hole and eccentric orfice; The eccentric oil pipe hanger is arranged in the inside of tubing head four-way, and boll-weevil hanger has a gas distribution channel and a cable passage, and gas distribution channel is connected with the central through hole of eccentric flange lid; Cable passage is connected with the eccentric orfice of eccentric flange lid.
Described eccentric oil pipe hanger is step-like eccentric vertebra shape tubular construction, and core is a cylindrical hole, and the top of its vertebra shape cylindrical shell extends into the interior segment distance of central through hole of eccentric flange lid, and both are tightly connected, and are gas distribution channel.
The corresponding eccentric flange in the top of described cable passage covers and has cable aperture, and the cable passage of this cable aperture and eccentric oil pipe hanger is tightly connected, and the cable passage that cable passes this cable aperture and eccentric oil pipe hanger enters tubing head four-way inside.
The external surface of described cable has cable connecting arrangement, and the cable aperture that this cable connecting arrangement covers by eccentric flange is with the eccentric orfice employing threaded engagement sealing of eccentric oil pipe hanger.
Described boll-weevil hanger is by the fixed installation of the jackscrew on the sidewall of tubing head four-way.
The outside of described eccentric flange lid is furnished with movable big flange, and both are for removably connecting.
The bottom of described tubing head four-way is connected with the rising pipe nipple, and both connect for flange.
The utility model beneficial effect: owing to adopted technique scheme, the utlity model has simple in structure, high pressure sealing is safe and reliable; On-the-spot use installation, dismounting and easy to maintenance obviously strengthen the safety of high-pressure natural gas exploitation.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the enlarged drawing of A portion among Fig. 1.
Code name implication among the figure: 1, eccentric flange lid; 2, cable connecting arrangement; 3, blind flange eccentric orfice; 4, movable big flange; 5, studs; 6, nut; 7, jackscrew; 8, boll-weevil hanger eccentric orfice; 9, eccentric oil pipe hanger assembly; 10, the eccentric screw thread of boll-weevil hanger; 11, tubing head four-way; 12, tubing head four-way upright opening; 13, cable; 14, rising pipe nipple.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing and implementation column:
As shown in Figure 1, 2: the utility model high pressure electric submersible pump gas wellhead equipment comprises eccentric flange lid 1, tubing head four-way 11, eccentric oil pipe hanger assembly 9, cable 13 and movable big flange 4.1 sealing of eccentric flange lid is installed in the top of tubing head four-way 11, has central through hole and eccentric orfice; The eccentric oil pipe hanger assembly 9 that is used to hang oil pipe is equipped with on the top of tubing head four-way upright opening 12, and eccentric oil pipe hanger assembly 9 has a gas distribution channel and a cable passage, and gas distribution channel is connected with the central through hole of eccentric flange lid 1; Cable passage is connected with the eccentric orfice of eccentric flange lid 1.The outside of eccentric flange lid 1 is furnished with movable big flange 4, movable big flange 4 can be adjusted installation position arbitrarily according to on-the-spot installation requirement with 1 combination of eccentric flange lid, be not subjected to that the orientation limits in the cable crossing process, be fastenedly connected mutually by studs 5 and nut 6, both are for removably connecting.Be installed with jackscrew 7 on the sidewall of tubing head four-way 11, this jackscrew 7 holds out against fixedly eccentric oil pipe hanger assembly 9, makes it to form high pressure sealing with tubing head four-way 11.
Eccentric oil pipe hanger assembly 9 is step-like eccentric vertebra shape tubular construction, and core is a cylindrical hole, and the top of its vertebra shape cylindrical shell extends into the interior segment distance of central through hole of eccentric flange lid 1, and both are tightly connected, and are gas distribution channel.
The top of eccentric oil pipe hanger assembly 9 cable passages, have cable aperture on the corresponding eccentric flange lid 1, the cable passage of this cable aperture and eccentric oil pipe hanger assembly 9 is tightly connected, cable 13 passes cable aperture on the eccentric flange lid 1 and the cable passage on the eccentric oil pipe hanger assembly 9, enters tubing head four-way 11 inside.The external surface of cable 13 has cable connecting arrangement 2, and the eccentric screw thread 10 of the boll-weevil hanger in the eccentric orfice of this cable connecting arrangement 2 and eccentric oil pipe hanger assembly 9 is connected and fixed, and forms high pressure sealings with boll-weevil hanger eccentric orfice 8.Cable connecting arrangement 2 passes through by the cable aperture on the eccentric flange lid 1, and forms high pressure sealing with blind flange eccentric orfice 3.Rising pipe nipple 14 upper flange are connected with tubing head four-way 11 lower flange, and rising pipe nipple 14 lower flange are connected with well head casing head upper flange.
Claims (7)
1. high pressure electric submersible pump gas wellhead equipment, it is characterized in that: this high pressure electric submersible pump gas wellhead equipment comprises eccentric flange lid, tubing head four-way, eccentric oil pipe hanger and cable, the sealing of eccentric flange lid is installed in the top of tubing head four-way, has central through hole and eccentric orfice; The eccentric oil pipe hanger is arranged in the inside of tubing head four-way, and boll-weevil hanger has a gas distribution channel and a cable passage, and gas distribution channel is connected with the central through hole of eccentric flange lid; Cable passage is connected with the eccentric orfice of eccentric flange lid.
2. high pressure electric submersible pump gas wellhead equipment according to claim 1, it is characterized in that: described eccentric oil pipe hanger is step-like eccentric vertebra shape tubular construction, core is a cylindrical hole, the top of its vertebra shape cylindrical shell extends into the interior segment distance of central through hole of eccentric flange lid, both are tightly connected, and are gas distribution channel.
3. high pressure electric submersible pump gas wellhead equipment according to claim 1, it is characterized in that: the corresponding eccentric flange in the top of described cable passage covers and has cable aperture, the cable passage of this cable aperture and eccentric oil pipe hanger is tightly connected, and the cable passage that cable passes this cable aperture and eccentric oil pipe hanger enters tubing head four-way inside.
4. high pressure electric submersible pump gas wellhead equipment according to claim 1, it is characterized in that: the external surface of described cable has cable connecting arrangement, the cable aperture that this cable connecting arrangement covers by eccentric flange is with the eccentric orfice employing threaded engagement sealing of eccentric oil pipe hanger.
5. high pressure electric submersible pump gas wellhead equipment according to claim 1 is characterized in that: described boll-weevil hanger is by the fixed installation of the jackscrew on the sidewall of tubing head four-way.
6. high pressure electric submersible pump gas wellhead equipment according to claim 1 is characterized in that: the outside of described eccentric flange lid is furnished with movable big flange, and both are for removably connecting.
7. high pressure electric submersible pump gas wellhead equipment according to claim 1, it is characterized in that: the bottom of described tubing head four-way is connected with the rising pipe nipple, and both connect for flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201801146U CN201650191U (en) | 2010-04-30 | 2010-04-30 | Gas production wellhead assembly of high-pressure electric submersible pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201801146U CN201650191U (en) | 2010-04-30 | 2010-04-30 | Gas production wellhead assembly of high-pressure electric submersible pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201650191U true CN201650191U (en) | 2010-11-24 |
Family
ID=43115423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201801146U Expired - Lifetime CN201650191U (en) | 2010-04-30 | 2010-04-30 | Gas production wellhead assembly of high-pressure electric submersible pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201650191U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107882528A (en) * | 2017-12-13 | 2018-04-06 | 江苏威尔德钻采设备有限公司 | Split flange cable penetration device well head mounting structure |
| CN114320176A (en) * | 2021-11-18 | 2022-04-12 | 中国海洋石油集团有限公司 | Split oil pipe head and electric pump through oil pipe wellhead construction method |
-
2010
- 2010-04-30 CN CN2010201801146U patent/CN201650191U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107882528A (en) * | 2017-12-13 | 2018-04-06 | 江苏威尔德钻采设备有限公司 | Split flange cable penetration device well head mounting structure |
| CN114320176A (en) * | 2021-11-18 | 2022-04-12 | 中国海洋石油集团有限公司 | Split oil pipe head and electric pump through oil pipe wellhead construction method |
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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: 20101124 |