CN206053868U - A kind of coiled tubing slips ring means of press seals combined type jointing - Google Patents
A kind of coiled tubing slips ring means of press seals combined type jointing Download PDFInfo
- Publication number
- CN206053868U CN206053868U CN201621095297.5U CN201621095297U CN206053868U CN 206053868 U CN206053868 U CN 206053868U CN 201621095297 U CN201621095297 U CN 201621095297U CN 206053868 U CN206053868 U CN 206053868U
- Authority
- CN
- China
- Prior art keywords
- coiled tubing
- slips
- cutting ferrule
- positioning tube
- union joint
- 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
A kind of coiled tubing slips ring means of press seals combined type jointing, including cutting ferrule, slips, sealing ring, positioning tube and union joint；Positioning tube is annular, is sheathed on coiled tubing periphery, and positioning tube can be moved along the axial direction of coiled tubing；Positioning tube is connected with slips in axial direction；Cutting ferrule is circular sleeve, and cutting ferrule is tightened with head thread is connected；Slips is assemblied on the inside of cutting ferrule, and cutting ferrule inwall is provided with for holding the conical surface of slips tightly；Insert coiled tubing inwall, union joint other end connection underground operation tool in union joint one end.This utility model improves the bonding strength of coiled tubing and underground operation tool and is connected tightness, reduces obscission and occurs, reduces down-hole accident or operation failure.
Description
Technical field
The present invention relates to pipe connector technical field of recovering the oil, more particularly to a kind of coiled tubing is compound with slips ring means of press seals
Formula jointing.
Background technology
Flow string jointing is widely used in the connection procedure of coiled tubing and underground operation tool, in oil-gas mining
During play an important role.Existing flow string jointing is made with down-hole coiled tubing is carried out due to design defect
When industry instrument connects, tightness is poor, stress limited strength, obscission easily occurs, causes down-hole accident or operation failure.
Based on above-mentioned analysis, need to carry out existing oil connection technological improvement, improve bonding strength and joint efficiency,
Meet the pipeline connection requirement during oil-gas mining.
The content of the invention
The purpose of the present invention is, for the technical problem that existing oil connection is present, designs a kind of coiled tubing slips
Ring means of press seals combined type jointing, improves the bonding strength of coiled tubing and underground operation tool and is connected tightness, reduce
Obscission occurs, and reduces down-hole accident or operation failure.
The present invention is achieved through the following technical solutions：
A kind of coiled tubing slips ring means of press seals combined type jointing, it is characterised in that including cutting ferrule (1), slips
(2), sealing ring (3), positioning tube (4) and union joint (5)；
The positioning tube (4) is annular, is sheathed on coiled tubing (6) periphery, the internal diameter and coiled tubing of positioning tube (4)
(6) crest clearance coordinates, and positioning tube (4) can be moved along the axial direction of coiled tubing (6)；
The positioning tube (4) is connected with slips (2) in axial direction；
The cutting ferrule (1) is circular sleeve, and cutting ferrule (1) is tightened with union joint (5) screw thread；
The slips (2) is assemblied on the inside of cutting ferrule (1), and cutting ferrule (1) inwall is provided with for holding the conical surface of slips (2) tightly；
It is coiled tubing (6) on the inside of the slips (2), is machined with the inside of slips (2) for grabbing to coiled tubing (6)
Tight ratchet；
Insert coiled tubing (6) inwall, union joint (5) other end connection underground operation tool in described union joint (5) one end.
Further, the position that union joint (5) outer wall is contacted with coiled tubing (6) is provided with sealing ring.
Further, the slips (2) is set to expandable structure.
Further, the sealing ring is O-ring seal.
The invention provides a kind of coiled tubing slips ring means of press seals combined type jointing, compared with prior art,
Beneficial effect is：
1st, the coiled tubing slips ring means of press seals combined type jointing of present invention design, including cutting ferrule (1), slips
(2), sealing ring (3), positioning tube (4) and union joint (5)；Positioning tube (4) is annular, is sheathed on coiled tubing (6) periphery, fixed
The internal diameter of position cylinder (4) is coordinated with the crest clearance of coiled tubing (6), and positioning tube (4) can be moved along the axial direction of coiled tubing (6)
It is dynamic；Positioning tube (4) is connected with slips (2) in axial direction；Cutting ferrule (1) is circular sleeve, cutting ferrule (1) and union joint (5) screw thread
Tighten；Slips (2) is assemblied on the inside of cutting ferrule (1), and cutting ferrule (1) inwall is provided with for holding the conical surface of slips (2) tightly；Union joint
(5) one end insertion coiled tubing (6) inwall, union joint (5) other end connection underground operation tool；This kind of design structure, passes through
Union joint (5) is screwed with cutting ferrule (1), union joint (5) promotes positioning tube (4) to (2) one side shifting of slips, orders about slips (2)
Slide along cutting ferrule (1) conical surface, cutting ferrule (1) is shunk near cutting ferrule (1) conical surface side, and cutting ferrule (1) is away from cutting ferrule (1) conical surface side
Outwards expansion is opened, and coiled tubing (6) is held tightly, improves the fastening strength of coiled tubing (6) and union joint (5), further carries
The bonding strength of high coiled tubing and underground operation tool and it is connected tightness.
2nd, the coiled tubing slips ring means of press seals combined type jointing of present invention design, slips is continuous on the inside of (2)
Oil pipe (6), is machined with the inside of slips (2) for ratchet promptly is carried out to coiled tubing (6)；This kind of design structure, improves
The bonding strength of coiled tubing (6) and slips (2).
3rd, the coiled tubing slips ring means of press seals combined type jointing of present invention design, union joint (5) outer wall and company
The position that continuous oil pipe (6) contacts is provided with sealing ring, and this kind of design structure improves union joint (5) close with coiled tubing (6)
Feng Xing, it is to avoid the material in work progress in coiled tubing (6) leaks.
Description of the drawings
Fig. 1 is the structural representation of coiled tubing slips ring means of press seals combined type jointing of the present invention.
Specific embodiment
Refering to accompanying drawing, 1 couple of present invention is described further.
The present invention relates to a kind of coiled tubing slips ring means of press seals combined type jointing, it is characterised in that including card
Set (1), slips (2), sealing ring (3), positioning tube (4) and union joint (5)；
The positioning tube (4) is annular, is sheathed on coiled tubing (6) periphery, the internal diameter and coiled tubing of positioning tube (4)
(6) crest clearance coordinates, and positioning tube (4) can be moved along the axial direction of coiled tubing (6)；
The positioning tube (4) is connected with slips (2) in axial direction；
The cutting ferrule (1) is circular sleeve, and cutting ferrule (1) is tightened with union joint (5) screw thread；
The slips (2) is assemblied on the inside of cutting ferrule (1), and cutting ferrule (1) inwall is provided with for holding the conical surface of slips (2) tightly；
It is coiled tubing on the inside of the slips (2), is machined with the inside of slips (2) for spine promptly is carried out to coiled tubing
Tooth；
Insert coiled tubing (6) inwall, union joint (5) other end connection underground operation tool in described union joint (5) one end；
Preferably as improvement, the position that union joint (5) outer wall is contacted with coiled tubing (6) is provided with sealing ring.
Preferably as improvement, the slips (2) is set to expandable structure.
Preferably as improvement, the sealing ring is O-ring seal.
Compared with prior art, the coiled tubing slips ring means of press seals combined type jointing of present invention design, including
Cutting ferrule (1), slips (2), sealing ring (3), positioning tube (4) and union joint (5)；Positioning tube (4) is annular, is sheathed on continuous oil
Pipe (6) periphery, the internal diameter of positioning tube (4) are coordinated with the crest clearance of coiled tubing (6), and positioning tube (4) can be along coiled tubing (6)
Axial direction movement；Positioning tube (4) is connected with slips (2) in axial direction；Cutting ferrule (1) is circular sleeve, cutting ferrule (1) and company
Joint (5) screw thread is tightened；Slips (2) is assemblied on the inside of cutting ferrule (1), and cutting ferrule (1) inwall is provided with for holding the cone of slips (2) tightly
Face；Insert coiled tubing (6) inwall, union joint (5) other end connection underground operation tool in union joint (5) one end；This kind of design
Structure, by union joint (5) is screwed with cutting ferrule (1), union joint (5) promotes positioning tube (4) to (2) one side shifting of slips, drives
Slips (2) is made to slide along cutting ferrule (1) conical surface, cutting ferrule (1) is shunk near cutting ferrule (1) conical surface side, and cutting ferrule (1) is away from cutting ferrule
(1) conical surface side outwards expands and opens, and coiled tubing (6) is held tightly, improves coiled tubing (6) strong with the fastening of union joint (5)
Degree, further improves the bonding strength of coiled tubing and underground operation tool and is connected tightness.
The coiled tubing slips ring means of press seals combined type jointing of present invention design, is continuous oil on the inside of slips (2)
Pipe (6), is machined with the inside of slips (2) for ratchet promptly is carried out to coiled tubing (6)；This kind of design structure, the company of improving
Continuous oil pipe (6) and the bonding strength of slips (2).
The present invention design coiled tubing slips ring means of press seals combined type jointing, union joint (5) outer wall with it is continuous
The position that oil pipe (6) is contacted is provided with sealing ring, and this kind of design structure improves the sealing of union joint (5) and coiled tubing (6)
Property, it is to avoid the material in work progress in coiled tubing (6) leaks.
As described above, you can the present invention is applied.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any those familiar with the art the invention discloses technical scope in, technology according to the present invention scheme and its
Inventive concept equivalent or change in addition, should all be included within the scope of the present invention.
Claims (4)
1. a kind of coiled tubing slips ring means of press seals combined type jointing, it is characterised in that including cutting ferrule (1), slips
(2), sealing ring (3), positioning tube (4) and union joint (5)；
The positioning tube (4) is annular, is sheathed on coiled tubing (6) periphery, internal diameter and the coiled tubing (6) of positioning tube (4)
Crest clearance coordinate, positioning tube (4) can along coiled tubing (6) axial direction move；
The positioning tube (4) is connected with slips (2) in axial direction；
The cutting ferrule (1) is circular sleeve, and cutting ferrule (1) is tightened with union joint (5) screw thread；
The slips (2) is assemblied on the inside of cutting ferrule (1), and cutting ferrule (1) inwall is provided with for holding the conical surface of slips (2) tightly；
It is coiled tubing on the inside of the slips (2), is machined with the inside of slips (2) for ratchet promptly is carried out to coiled tubing；
Insert coiled tubing (6) inwall, union joint (5) other end connection underground operation tool in described union joint (5) one end.
2. coiled tubing according to claim 1 slips ring means of press seals combined type jointing, it is characterised in that described
The position that union joint (5) outer wall is contacted with coiled tubing (6) is provided with sealing ring.
3. coiled tubing according to claim 1 slips ring means of press seals combined type jointing, it is characterised in that described
Slips (2) is set to expandable structure.
4. coiled tubing according to claim 1 slips ring means of press seals combined type jointing, it is characterised in that described
Sealing ring is O-ring seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621095297.5U CN206053868U (en) | 2016-09-30 | 2016-09-30 | A kind of coiled tubing slips ring means of press seals combined type jointing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621095297.5U CN206053868U (en) | 2016-09-30 | 2016-09-30 | A kind of coiled tubing slips ring means of press seals combined type jointing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206053868U true CN206053868U (en) | 2017-03-29 |
Family
ID=58367084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621095297.5U Expired - Fee Related CN206053868U (en) | 2016-09-30 | 2016-09-30 | A kind of coiled tubing slips ring means of press seals combined type jointing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206053868U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107288552A (en) * | 2017-08-10 | 2017-10-24 | 西安石油大学 | Bidirectionally limited expansion locking type coiled tubing built-up joint |
| CN107489378A (en) * | 2017-10-18 | 2017-12-19 | 杰瑞能源服务有限公司 | A kind of coiled tubing attachment means |
| CN109630038A (en) * | 2019-01-14 | 2019-04-16 | 重庆科技学院 | The equal diameter drilling well coiled tubing connector of enlarged outside diameter |
-
2016
- 2016-09-30 CN CN201621095297.5U patent/CN206053868U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107288552A (en) * | 2017-08-10 | 2017-10-24 | 西安石油大学 | Bidirectionally limited expansion locking type coiled tubing built-up joint |
| CN107288552B (en) * | 2017-08-10 | 2024-03-12 | 西安石油大学 | Bidirectional limiting expansion locking type coiled tubing combined joint |
| CN107489378A (en) * | 2017-10-18 | 2017-12-19 | 杰瑞能源服务有限公司 | A kind of coiled tubing attachment means |
| CN107489378B (en) * | 2017-10-18 | 2023-07-25 | 杰瑞能源服务有限公司 | Coiled tubing connecting device |
| CN109630038A (en) * | 2019-01-14 | 2019-04-16 | 重庆科技学院 | The equal diameter drilling well coiled tubing connector of enlarged outside diameter |
| CN109630038B (en) * | 2019-01-14 | 2023-08-29 | 重庆科技学院 | Equal diameter drilling coiled tubing connector with enlarged outer diameter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170329 Termination date: 20190930 |