CN208502716U - A kind of multi-purpose type wellhead assembly - Google Patents
A kind of multi-purpose type wellhead assembly Download PDFInfo
- Publication number
- CN208502716U CN208502716U CN201821047286.9U CN201821047286U CN208502716U CN 208502716 U CN208502716 U CN 208502716U CN 201821047286 U CN201821047286 U CN 201821047286U CN 208502716 U CN208502716 U CN 208502716U
- Authority
- CN
- China
- Prior art keywords
- way
- head
- tubing head
- casing
- wellhead assembly
- 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.)
- Active
Links
Abstract
The utility model relates to a kind of multi-purpose type wellhead assemblies, it includes casing head spool, mandrel type casing hanger, tubing head four-way, mandrel type boll-weevil hanger, the nut cap of tubing head four-way and adapter；Casing head spool interior design has step surface, and mandrel type casing hanger seat is placed on step surface, and is fixed in casing head spool by lock-screw；One end of adapter is installed on casing head spool；Tubing head four-way is installed on the other end of adapter；Mandrel type boll-weevil hanger is set to the top side inside tubing head four-way；Mandrel type boll-weevil hanger is locked by the determining relative position with tubing head four-way of positioning screw by lock-screw and tubing head four-way；Tubing head four-way nut cap is mounted on the top of tubing head four-way.A kind of multi-purpose type wellhead assembly improves pressure break, oil producing operation connection problem, effectively save operation waiting, duration of runs cost；The case where being tensioned the configuration of mandrel type boll-weevil hanger, effectively reducing wax deposition.
Description
Technical field
The utility model relates to the volume increase of land oil fracturing, petroleum recovery operations field, more particularly to a kind of multi-purpose type
Wellhead assembly.
Background technique
At present in technology, the more and more extensive use of fracturing yield increasing technology, recover the oil, pressure break share wellhead assembly frequency of use and
Range is more more extensive.After the completion of fracture stimulation operations, equipment that no replacement is required, oil producing operation seamless interfacing, save operation when
Between, overall operation efficiency is improved, but in the prior art, linking is not still very well that structure is more complex, and pipeline wax situation
It is more serious, it need to separately carry out wax removal process.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of multi-purpose type wellhead assembly, improves pressure break, recovers the oil and make
Industry connection problem, effectively save operation waiting, duration of runs cost；It is tensioned the configuration of mandrel type boll-weevil hanger, effectively reduces pipe
The case where road wax deposition.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of multi-purpose type wellhead assembly, it includes
Casing head spool, mandrel type casing hanger, tubing head four-way, mandrel type boll-weevil hanger, the nut cap of tubing head four-way and adaptation
Device；Described sleeve pipe head four-way interior design has step surface, and the mandrel type casing hanger seat is placed on step surface, and passes through lock
Tight screw is fixed in casing head spool；One end of the adapter is installed on casing head spool；The tubing head four-way installation
In the other end of adapter；The mandrel type boll-weevil hanger is set to the top side inside tubing head four-way；The mandrel type oil
Pipe hanger is locked by the determining relative position with tubing head four-way of positioning screw by lock-screw and tubing head four-way
It is fixed；The tubing head four-way nut cap is mounted on the top of tubing head four-way.
Described sleeve pipe head four-way is monoblock type, repeatedly dismantles auxiliary device for reducing operation process；It is configured with mud thereon
Stock tank, for supplementing the deficiency of mud.
The mandrel type boll-weevil hanger makes oil pipe be in tensioning state, for reducing oil recovery process petroleum pipeline wax deposition
Situation.
The bottom of the tubing head four-way is equipped with conversion separating device, is used for bottom sleeve four-way and oil pipe four-way pressure
Power separates.
The tubing head four-way is shared by oil recovery, pressure break.
The tubing head four-way nut cap by stud nut and tubing head four-way lock, it is outstanding for covering mandrel type oil pipe
Hanging device, and connect top oil production equipment.
The adapter by stud nut and casing head spool lock.
The side of the adapter is equipped with valve, for crossline and plays the role of cutting off pipeline.
The utility model has the beneficial effects that a kind of multi-purpose type wellhead assembly of the utility model, can be used to pass through pipe simultaneously
Line, recover the oil production and fracture stimulation operations；Casing head spool is monoblock type, reduces operation process and repeatedly dismantles auxiliary device, saves
The about activity duration, and it is configured with mud ditch, to supplement the deficiency of mud；Tubing head four-way mandrel type boll-weevil hanger not
Before installation, while playing the role of the container of fracturing yield increasing, the pressure break condition of the receiving high erosion of high pressure, inner cavity surfacing hard alloy,
Reduce the damage of erosion；Tubing head four-way is configured with vertical distance, and mandrel type boll-weevil hanger can be opened in defined space
Tightly, it is fixed in tubing head four-way by lock-screw, oil pipe is in tensioning state always, reduces oil recovery process petroleum pipeline knot
The case where wax, the process for reducing wax removal.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of multi-purpose type wellhead assembly of embodiment；
Fig. 2 is a kind of schematic diagram of the right view of multi-purpose type wellhead assembly of embodiment.
Specific embodiment
In order to deepen the understanding to the utility model, the utility model is done further below in conjunction with drawings and examples
Detailed description, the embodiment are only used for explaining the utility model, do not constitute and limit to the protection scope of the utility model.
Embodiment
As depicted in figs. 1 and 2, a kind of multi-purpose type wellhead assembly is present embodiments provided, it includes casing head spool 1, core
Shaft type casing hanger 2, tubing head four-way 3, mandrel type boll-weevil hanger 4, tubing head four-way nut cap 5 and adapter 8；The set
1 interior design of tube head four-way has step surface, and the seat of mandrel type casing hanger 2 is placed on step surface, and passes through lock-screw 7
It is fixed in casing head spool 1；One end of the adapter 8 is installed on casing head spool 1；The tubing head four-way 3 is installed on
The other end of adapter 8；The mandrel type boll-weevil hanger 4 is set to the top side inside tubing head four-way 3；The mandrel type oil
Pipe hanger 4 passes through lock-screw 7 and tubing head four-way by the determining relative position with tubing head four-way 3 of positioning screw 6
3 are locked；The tubing head four-way nut cap 5 is mounted on the top of tubing head four-way 3；Described sleeve pipe head four-way 1 is monoblock type,
Auxiliary device is repeatedly dismantled for reducing operation process；It is configured with mud ditch thereon, for small dimension pipeline to be entered annular space, mends
Fill the deficiency of mud；The mandrel type boll-weevil hanger 4 makes oil pipe be in tensioning state, for reducing oil recovery process petroleum pipeline
The case where wax deposition；The bottom of the tubing head four-way 3 is equipped with conversion separating device, is used for bottom sleeve four-way and oil pipe four
Logical pressure separates；The tubing head four-way 3 is recovered the oil, pressure break shares；The tubing head four-way nut cap 5 by stud nut
It is locked with tubing head four-way 3, for covering mandrel type boll-weevil hanger 4, and connects top oil production equipment；The adapter 8 is logical
Cross stud nut and casing head spool 1 lock；The side of the adapter 8 is equipped with valve, for crossline and plays cutting
The effect of pipeline.
A kind of multi-purpose type wellhead assembly of the present embodiment can be used for crossline simultaneously, and recover the oil production and fracturing yield increasing work
Industry；Casing head spool is monoblock type, reduces operation process and repeatedly dismantles auxiliary device, save the activity duration, and is configured with mud
Stock tank, to supplement the deficiency of mud；Tubing head four-way plays fracturing yield increasing before mandrel type boll-weevil hanger is not installed
Container effect, bear the pressure break condition of the high erosion of high pressure, inner cavity surfacing hard alloy reduces the damage of erosion；Tubing head four
Wildcard is equipped with vertical distance, and mandrel type boll-weevil hanger can be tensioned in defined space, is fixed on oil by lock-screw
The case where in tube head four-way, oil pipe is in tensioning state always, reduces oil recovery process petroleum pipeline wax deposition, reduces the work of wax removal
Sequence.
Above-described embodiment should not in any way limit the utility model, all by the way of equivalent replacement or equivalency transform
The technical solution of acquisition is all fallen in the protection scope of the utility model.
Claims (8)
1. a kind of multi-purpose type wellhead assembly, it is characterised in that: it includes casing head spool, mandrel type casing hanger, tubing head
Four-way, mandrel type boll-weevil hanger, the nut cap of tubing head four-way and adapter；Described sleeve pipe head four-way interior design has step surface,
The mandrel type casing hanger seat is placed on step surface, and is fixed in casing head spool by lock-screw；The adaptation
One end of device is installed on casing head spool；The tubing head four-way is installed on the other end of adapter；The mandrel type oil pipe is outstanding
Hanging device is set to the top side inside tubing head four-way；The mandrel type boll-weevil hanger passes through positioning screw determination and tubing head four
Logical relative position, and be locked by lock-screw and tubing head four-way；The tubing head four-way nut cap is mounted on oil pipe
The top of head four-way.
2. a kind of multi-purpose type wellhead assembly according to claim 1, it is characterised in that: described sleeve pipe head four-way is whole
Formula repeatedly dismantles auxiliary device for reducing operation process；It is configured with mud ditch thereon, for supplementing the deficiency of mud.
3. a kind of multi-purpose type wellhead assembly according to claim 1, it is characterised in that: the mandrel type boll-weevil hanger makes
Oil pipe is in tensioning state, the case where for reducing oil recovery process petroleum pipeline wax deposition.
4. a kind of multi-purpose type wellhead assembly according to claim 1, it is characterised in that: the bottom of the tubing head four-way fills
Equipped with conversion separating device, for bottom sleeve four-way and oil pipe four-way pressure to be separated.
5. a kind of multi-purpose type wellhead assembly according to claim 1, it is characterised in that: the tubing head four-way recovered the oil,
Pressure break shares.
6. a kind of multi-purpose type wellhead assembly according to claim 1, it is characterised in that: the tubing head four-way nut cap passes through
Stud nut and tubing head four-way lock, for covering mandrel type boll-weevil hanger, and connect top oil production equipment.
7. a kind of multi-purpose type wellhead assembly according to claim 1, it is characterised in that: the adapter by stud spiral shell
It is female to be locked with casing head spool.
8. a kind of multi-purpose type wellhead assembly according to claim 1, it is characterised in that: the side of the adapter is equipped with valve
Door for crossline and plays the role of cutting off pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821047286.9U CN208502716U (en) | 2018-07-03 | 2018-07-03 | A kind of multi-purpose type wellhead assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821047286.9U CN208502716U (en) | 2018-07-03 | 2018-07-03 | A kind of multi-purpose type wellhead assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208502716U true CN208502716U (en) | 2019-02-15 |
Family
ID=65282494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821047286.9U Active CN208502716U (en) | 2018-07-03 | 2018-07-03 | A kind of multi-purpose type wellhead assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208502716U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109899015A (en) * | 2019-02-28 | 2019-06-18 | 宝鸡石油机械有限责任公司 | It is integrated with the underwater oil pipe hanger of built-in slide valve and driving structure |
-
2018
- 2018-07-03 CN CN201821047286.9U patent/CN208502716U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109899015A (en) * | 2019-02-28 | 2019-06-18 | 宝鸡石油机械有限责任公司 | It is integrated with the underwater oil pipe hanger of built-in slide valve and driving structure |
| CN109899015B (en) * | 2019-02-28 | 2021-06-15 | 宝鸡石油机械有限责任公司 | Underwater oil pipe hanger integrated with built-in gate valve and driving structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208502716U (en) | A kind of multi-purpose type wellhead assembly | |
| CN106761538A (en) | A kind of oil field is every using long packing element packer | |
| CN203308443U (en) | Circulating gas injection pipe column | |
| CN201851078U (en) | Underground isolation bridge plug | |
| CN202914018U (en) | Pressure test anti-spraying multifunctional plug | |
| CN202055799U (en) | Midway-setting prevention recyclable bridge plug for oilfield downhole operation | |
| CN206376810U (en) | A kind of oil field is every using long packing element packer | |
| CN103742099A (en) | Perforation, fracturing, sealing and separating device | |
| CN205669385U (en) | Boll-weevil hanger promptly reclaims instrument | |
| CN201568000U (en) | Integral-type platform oil producing wellhead device | |
| CN201671585U (en) | Eccentric wear and spray prevention well mouth seal device | |
| CN202338318U (en) | Separate-layer fracturing control device | |
| CN203374237U (en) | External lock type sea underwater wellhead tie-back device | |
| CN2632290Y (en) | Iceproof water separated pipe rapid connecter in shallow sea | |
| CN202596695U (en) | Downhole gas-injection tubular column | |
| CN203978383U (en) | Separate stratum fracfturing valve | |
| CN204827359U (en) | But integration modus ponens oil recovery bridging plug | |
| CN207406329U (en) | Note takes out two passage extracting device of oil | |
| CN202596665U (en) | Drum type oil pipe float valve | |
| CN206458391U (en) | A kind of multipurpose wellhead assembly | |
| CN202012319U (en) | Expansion pipe patching tool integrating functions of expansion and salvage | |
| CN201037391Y (en) | Deep layer anti-theft high-pressure resistant exhaust double-layer oil-water-gas well sealing equipment | |
| CN202273643U (en) | High-reliability well cementing rubber plug | |
| CN201650252U (en) | Primary gravel packing tool for heat recovery | |
| CN209539280U (en) | A kind of high pressure sealing exntension tubs on coiled tubing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230505 Address after: No. 16, Xihenggang Street, Yangchenghu Town, Xiangcheng District, Suzhou City, Jiangsu Province, 215138 Patentee after: Suzhou Dawson Drilling and Production Equipment Co.,Ltd. Address before: 215137 Taiping Town, Suzhou, Jiangsu, Xiangcheng District Patentee before: SUZHOU DOUSON DRILLING & PRODUCTION EQUIPMENT Co.,Ltd. |