CN204126573U - A kind of open coiled tubing injector - Google Patents
A kind of open coiled tubing injector Download PDFInfo
- Publication number
- CN204126573U CN204126573U CN201420431954.3U CN201420431954U CN204126573U CN 204126573 U CN204126573 U CN 204126573U CN 201420431954 U CN201420431954 U CN 201420431954U CN 204126573 U CN204126573 U CN 204126573U
- Authority
- CN
- China
- Prior art keywords
- clamping
- coiled tubing
- support frame
- tensioning
- outer support
- 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.)
- Withdrawn - After Issue
Links
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The utility model discloses a kind of open coiled tubing injector, the continuous print combination of drive means that its technical scheme is made up of outer support frame and inner support frame, drive sprocket, clamping chain, CD-ROM drive motor, tensioning support wheel, clamping hydraulic cylinder, clamping contact roller, hydraulic tensioning cylinder, Weighing mechanism forms; Outer support frame bears the load of weight when drive unit normally works and down-hole string, when drive unit needs with when departing from the coiled tubing of well work, outer support frame provides unloading condition for drive unit, completes disengaging or the clamping of the coiled tubing in working in " drive unit " and well.Beneficial effect is: achieve coiled tubing for delivered downhole fluid while, injector can from the coiled tubing disengaging work in optional position in the middle part of coiled tubing, not only increase utilization rate like this, and greatly facilitate replacing and the repairing of in use out of order injector.
Description
Technical field
The present invention relates to a kind of petroleum industry extracting device of oil and method, particularly the open coiled tubing injector of one.
Background technology
At present, existing coiled tubing is applied very extensive in oil field development, at oil well sand washing, gas lift liquid drainage induced flow, low-permeability oil deposit pressure break, the exhaust gas production of gas well, workover treatment, the fields such as drilling well demonstrate can Operating Pressure, operating efficiency is high, mechanization degree is high, the advantages such as safety is good, omnipotent working rig is described as by oil field people, along with the exploitation of coal bed gas, with the development of underground gasification coal-mining technique, existing continuous oil pipe device can not meet the requirement of novel technique, be mainly manifested in: the well head running and pulling device of current existing coiled tubing-namely the load bracing frame of coiled tubing injector and the chain of clamping coiled tubing are all enclosed constructions, coiled tubing can only pass from the longitudinal through type in the upper end of injector or lower end, position beyond the end of coiled tubing laterally cannot be deviate from injector.The well injector so just making some Long-Time Service coiled tubings inject fluid in down-hole cannot take off from coiled tubing in running order for a long time, injector is in the coiled tubings such as " leaving unused " status devices utilization rate is low, hold facility for a long time and is deteriorated at well operational economy for a long time at well head, technique is applied and is restricted.
Summary of the invention
Object of the present invention is exactly in view of the foregoing defects the prior art has, provides a kind of open coiled tubing injector that can take off at any time or load onto, not only increases utilization rate, and greatly facilitate replacing and the repairing of in use out of order injector.
The open coiled tubing injector of the one that the present invention mentions, comprise outer support frame (1), inner support frame (2), drive sprocket (3), clamping chain (4), CD-ROM drive motor (5), tensioning support wheel (6), clamping hydraulic cylinder (7), clamping contact roller (8), hydraulic tensioning cylinder (9), Weighing mechanism (10), gooseneck (11), browpiece (12), guy wire (13), described outer support frame (1), inner support frame (2) composition load bracing frame, described inner support frame (2) is provided with drive sprocket (3), clamping chain (4), CD-ROM drive motor (5), clamping hydraulic cylinder (7), tensioning support wheel (6), clamping contact roller (8), hydraulic tensioning cylinder (9), Weighing mechanism (10) is formed and coiled tubing can be clamped, drive the core that coiled tubing moves up and down in well, described outer support frame (1) is provided with gooseneck (11), and is fixed on the top of operation wellhead by browpiece (12) and guy wire (13), the load of coiled tubing in well when the weight of carrying coiled tubing driver and drive operation, described outer support frame (1) is provided with outer support frame opening port (D), and inner support frame (2) is provided with inner support frame opening port (B), two groups of CD-ROM drive motors (5) drive the rotation of two groups of clamping chains (4) respectively by two covers drive sprocket (3), and clamping chain (4) inside is provided with clamping hydraulic cylinder (7), tensioning support wheel (6), clamping contact roller (8) and hydraulic tensioning cylinder (9), described clamping chain (4) is provided with semi-circular recesses, and the clamping chain opening port (C) of the circle forming clamping coiled tubing combined by two covers clamping chain (4).
Above-mentioned inner support frame opening port (B) is relative with clamping chain opening port (C), to deviate to facilitate or again enters from the coiled tubing in well work.
Above-mentioned outer support frame opening port (D) is located at the back side that gooseneck stretches out, and deviates from or again enter to facilitate inner support frame; Outer support frame (1) is fixed on above well head by browpiece (12) and guy wire (13), for bearing the weight of ground coiled pipe device to well head coiled tubing, for inner support frame clamping or disengaging coiled tubing provide space.
The inner side of two groups of clamping chains (4) is respectively equipped with clamping hydraulic cylinder (7) and clamping contact roller (8), and the outside of clamping contact roller (8) contacts with clamping chain (4), and the inner side of clamping contact roller (8) contacts with clamping hydraulic cylinder (7); The outside of two groups of clamping chains (4) is respectively equipped with tensioning support wheel (6) and hydraulic tensioning cylinder (9), and the outside of described tensioning support wheel (6) contacts with clamping chain (4), and the inner side of tensioning support wheel (6) contacts with hydraulic tensioning cylinder (9).
The invention has the beneficial effects as follows: when not changing the basic functional principle of injector, by the structural shape and clamping chain position changing the bracing frame of injector, achieve coiled tubing while for delivered downhole fluid like this, injector can from the coiled tubing disengaging work in optional position in the middle part of coiled tubing.Not only increase utilization rate like this, and greatly facilitate replacing and the repairing of in use out of order injector.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present invention;
Accompanying drawing 2 is A-A structure charts of the present invention;
Accompanying drawing 3 is structure charts of a kind of embodiment of the well head fixed form of outer support frame of the present invention;
In upper figure: outer support frame 1, inner support frame 2, drive sprocket 3, clamping chain 4, CD-ROM drive motor 5, tensioning support wheel 6, clamping hydraulic cylinder 7, clamping contact roller 8, hydraulic tensioning cylinder 9, Weighing mechanism 10, gooseneck 11, browpiece 12, guy wire 13, inner support frame opening port B, clamping chain opening port C, outer support frame opening port D.
Detailed description of the invention
1-3 by reference to the accompanying drawings, the invention will be further described:
The open coiled tubing injector of the one that the present invention mentions, comprise outer support frame 1, inner support frame 2, drive sprocket 3, clamping chain 4, CD-ROM drive motor 5, tensioning support wheel 6, clamping hydraulic cylinder 7, clamping contact roller 8, hydraulic tensioning cylinder 9, Weighing mechanism 10, gooseneck 11, browpiece 12, guy wire 13, described outer support frame 1, inner support frame 2 forms load bracing frame, described inner support frame 2 is provided with drive sprocket 3, clamping chain 4, CD-ROM drive motor 5, clamping hydraulic cylinder 7, tensioning support wheel 6, clamping contact roller 8, hydraulic tensioning cylinder 9, Weighing mechanism 10 is formed and coiled tubing can be clamped, drive the core that coiled tubing moves up and down in well, described outer support frame 1 is provided with gooseneck 11, the structure of described gooseneck is the neck of similar goose, a upwards protruding segment distance, and be fixed on the top of operation wellhead by browpiece 12 and guy wire 13, the load of coiled tubing in well when the weight of carrying coiled tubing driver and drive operation, described outer support frame 1 is provided with outer support frame opening port D, and inner support frame 2 is provided with inner support frame opening port B, two groups of CD-ROM drive motors 5 drive two groups of clamping chains 4 to rotate respectively by two cover drive sprockets 3, and clamping chain 4 inside is provided with clamping hydraulic cylinder 7, tensioning support wheel 6, clamping contact roller 8 and hydraulic tensioning cylinder 9, described clamping chain 4 is provided with semi-circular recesses, and two cover clamping chains 4 combine the clamping chain opening port C of the circle forming clamping coiled tubing.
Wherein, inner support frame opening port B is relative with clamping chain opening port C, to deviate to facilitate or again enters from the coiled tubing in well work; Above-mentioned outer support frame opening port D is located at the back side that gooseneck stretches out, and deviates from or again enter to facilitate inner support frame; Outer support frame 1 is fixed on above well head by browpiece 12 and guy wire 13, for bearing the weight of ground coiled pipe device to well head coiled tubing, for inner support frame clamping or disengaging coiled tubing provide space.
The inner side of two groups of clamping chains 4 is respectively equipped with clamping hydraulic cylinder 7 and clamping contact roller 8, and the outside of clamping contact roller 8 contacts with clamping chain 4, and the inner side of clamping contact roller 8 contacts with clamping hydraulic cylinder 7; The outside of two groups of clamping chains 4 is respectively equipped with tensioning support wheel 6 and hydraulic tensioning cylinder 9, and the outside of described tensioning support wheel 6 contacts with clamping chain 4, and the inner side of tensioning support wheel 6 contacts with hydraulic tensioning cylinder 9.Outer support frame 1 has multiple way of realization: as heavy hanging; Stent-type, Jackstay type etc.The opening port B of inner support frame 2 can be long open type, also can be disassembly and assembly structure normally closed type.The opening port B of inner support frame 2, between two drive sprockets 3, and parallel with clamping chain 4.
The using method of the open coiled tubing injector that the present invention mentions, comprises following methods:
When open coiled tubing injector complete to coiled tubing in well rise or under task after, when needing coiled tubing in well to inject fluid or open flow downhole fluid for a long time, the pipe clamping device work of wellhead blowout preventor group, the load of coiled tubing in well is hung on pipe clamping device, adjust the tension force of coiled tubing between ground coiled pipe device to well head gooseneck simultaneously, the weight of this section of coiled tubing is made to be added on gooseneck 11, now, one section of coiled tubing of open coiled tubing injector clamping chain 4 clamping is in free suspended state, release the pressure of clamping hydraulic cylinder 7, certain pressure is increased to hydraulic tensioning cylinder 9, the clamping chain opening port C of clamping chain 4 can open, give and abdicated by the coiled tubing clamped the passage departing from clamping chain 4, now, external force is adopted to be pulled out by the outer support frame opening port D of the coiled tubing drive unit be fixed on inner support frame 2 from outer support frame 1, just complete the disengaging of coiled tubing drive unit and the inherent coiled tubing worked of well,
When the coiled tubing of well inherence work needs again to move up and down, first coiled tubing drive unit is placed in the opening port edge of open coiled tubing injector outer support frame 1, release pressure in clamping hydraulic cylinder 7, hydraulic pressure is added to hydraulic tensioning cylinder 9, the opening port of clamping chain 4 is opened, inner support frame 2 is tried hard to recommend outside adopting, coiled tubing is made to enter clamping chain 4 through the inner support frame opening port C of inner support frame 2, add hydraulic pressure to again clamping hydraulic cylinder 7 to make clamping contact roller 8 promote clamping chain 4 to clamp coiled tubing, unclamping pipe clamping device again makes the load transfer of coiled tubing in well on open coiled tubing injector, then, logical hydraulic pressure makes ground coiled pipe device work simultaneously, complete and work is removed to coiled tubing in well.
Claims (4)
1. an open coiled tubing injector, it is characterized in that: comprise outer support frame (1), inner support frame (2), drive sprocket (3), clamping chain (4), CD-ROM drive motor (5), tensioning support wheel (6), clamping hydraulic cylinder (7), clamping contact roller (8), hydraulic tensioning cylinder (9), Weighing mechanism (10), gooseneck (11), browpiece (12), guy wire (13), described outer support frame (1), inner support frame (2) composition load bracing frame, described inner support frame (2) is provided with drive sprocket (3), clamping chain (4), CD-ROM drive motor (5), clamping hydraulic cylinder (7), tensioning support wheel (6), clamping contact roller (8), hydraulic tensioning cylinder (9), Weighing mechanism (10) is formed and coiled tubing can be clamped, drive the core that coiled tubing moves up and down in well, described outer support frame (1) is provided with gooseneck (11), and is fixed on the top of operation wellhead by browpiece (12) and guy wire (13), the load of coiled tubing in well when the weight of carrying coiled tubing driver and drive operation, described outer support frame (1) is provided with outer support frame opening port (D), and inner support frame (2) is provided with inner support frame opening port (B), two groups of CD-ROM drive motors (5) drive the rotation of two groups of clamping chains (4) respectively by two covers drive sprocket (3), and clamping chain (4) inside is provided with clamping hydraulic cylinder (7), tensioning support wheel (6), clamping contact roller (8) and hydraulic tensioning cylinder (9), described clamping chain (4) is provided with semi-circular recesses, and the clamping chain opening port (C) of the circle forming clamping coiled tubing combined by two covers clamping chain (4).
2. open coiled tubing injector according to claim 1, is characterized in that: described inner support frame opening port (B) is relative with clamping chain opening port (C), to deviate to facilitate or again enters from the coiled tubing in well work.
3. open coiled tubing injector according to claim 1, is characterized in that: described outer support frame opening port (D) is located at the back side that gooseneck stretches out, and deviates from or again enter to facilitate inner support frame; Outer support frame (1) is fixed on above well head by browpiece (12) and guy wire (13), for bearing the weight of ground coiled pipe device to well head coiled tubing, for inner support frame clamping or disengaging coiled tubing provide space.
4. open coiled tubing injector according to claim 1, it is characterized in that: the inner side of two groups of clamping chains (4) is respectively equipped with clamping hydraulic cylinder (7) and clamping contact roller (8), the outside of clamping contact roller (8) contacts with clamping chain (4), and the inner side of clamping contact roller (8) contacts with clamping hydraulic cylinder (7); The outside of two groups of clamping chains (4) is respectively equipped with tensioning support wheel (6) and hydraulic tensioning cylinder (9), and the outside of described tensioning support wheel (6) contacts with clamping chain (4), and the inner side of tensioning support wheel (6) contacts with hydraulic tensioning cylinder (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420431954.3U CN204126573U (en) | 2014-08-01 | 2014-08-01 | A kind of open coiled tubing injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420431954.3U CN204126573U (en) | 2014-08-01 | 2014-08-01 | A kind of open coiled tubing injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204126573U true CN204126573U (en) | 2015-01-28 |
Family
ID=52382940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420431954.3U Withdrawn - After Issue CN204126573U (en) | 2014-08-01 | 2014-08-01 | A kind of open coiled tubing injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204126573U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104165032A (en) * | 2014-08-01 | 2014-11-26 | 东营天华石油技术开发有限公司 | Open-type coiled tubing injector and using method thereof |
-
2014
- 2014-08-01 CN CN201420431954.3U patent/CN204126573U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104165032A (en) * | 2014-08-01 | 2014-11-26 | 东营天华石油技术开发有限公司 | Open-type coiled tubing injector and using method thereof |
| CN104165032B (en) * | 2014-08-01 | 2016-09-07 | 东营天华石油技术开发有限公司 | A kind of open coiled tubing infusion appliance and using method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201087716Y (en) | Top-fixed slip expansion joint type operation device under pressure | |
| CN102330546A (en) | Open hole staged fracturing well completion pipe string provided with controllable valve and hydraulic control switching pipe string | |
| RU2007103934A (en) | METHOD AND DEVICE FOR CARRYING OUT OPERATIONS IN UNDERGROUND DRILLING WELLS | |
| CN203716939U (en) | Electric submersible pump production string suitable for manual lifting | |
| CN204703876U (en) | Bridge type concentric separate injection pipe column | |
| CN103912257B (en) | A kind of dragging multiple fracturing device with pressure | |
| CN104165032B (en) | A kind of open coiled tubing infusion appliance and using method thereof | |
| CN202165038U (en) | Tool for fault treatment of underground safety valve | |
| CN203626759U (en) | Production pipe column with electric submersible pump and jet pump jointly lifted | |
| CN103452531A (en) | Method for underbalanced tubing descending, non-well-killing gas lifting, rotary pumping, pump maintaining and tubing maintaining | |
| CN204126573U (en) | A kind of open coiled tubing injector | |
| CN103196686A (en) | Down-hole annular blowout preventer experiment bench | |
| CN100340735C (en) | Well head device for thick oil extraction by horizontal well SAGD process | |
| CN203879424U (en) | Novel continuous sand removal device for oil and water well | |
| CN103939013A (en) | Integrated high-temperature pressure balance workover rig | |
| CN203161185U (en) | Underground production pipe column provided with double electric pumps | |
| CN201050349Y (en) | Deep gas well subsection acidizing and completion integral tool string | |
| CN202300336U (en) | Electric pump oil-extracting pipe column with ground hydraulic control oil-pipe injection functions | |
| CN202325457U (en) | Naked eye segmented fracturing completion string for placement of controllable valves and liquid control switch string | |
| CN202832289U (en) | Traveling slips achieving pressure lifting in optional positions of downhole tubing string | |
| CN203285363U (en) | Rotation type traveling slip tackle | |
| CN203879448U (en) | Casing protected gas injection packer for CO2 injection well | |
| CN201972663U (en) | Oil and gas well mining sublevel control sliding sleeve | |
| CN203685092U (en) | Continuous milling device | |
| CN207017957U (en) | A kind of gas well Operating Pressure machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150128 Effective date of abandoning: 20160907 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |