CN208137893U - A kind of auxiliary device for coiled tubing Cut-and-thread fishing - Google Patents
A kind of auxiliary device for coiled tubing Cut-and-thread fishing Download PDFInfo
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- CN208137893U CN208137893U CN201820209640.7U CN201820209640U CN208137893U CN 208137893 U CN208137893 U CN 208137893U CN 201820209640 U CN201820209640 U CN 201820209640U CN 208137893 U CN208137893 U CN 208137893U
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- annular recess
- coiled tubing
- lower connector
- slips body
- connector
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Abstract
The utility model discloses a kind of auxiliary devices for coiled tubing Cut-and-thread fishing, belong to drilling technology field.The device includes connecting rope, upper connection, lower connector and pin, the upper end of the upper connection is equipped with hangers, the lower end of the upper connection is equipped with holding tank inverted " u "-shaped, the two sides of the holding tank inverted " u "-shaped are equipped with a first through hole and form one group to perforation, the lower end of the connecting rope is connect with hangers, the upper end of the lower connector is equipped with horizontal through hole, the upper end of the lower connector stretches in holding tank inverted " u "-shaped, the upper end of the lower connector and the lower end of upper connection connect the pin in perforation and horizontal through hole by being arranged in, the lower end of the lower connector is cylindrical, the lateral surface of the lower connector lower end is equipped with multiple tracks annular recess.Upper connection and lower connector can separate, and get rid of brill operation convenient for drilling rod, improve the working efficiency of trip-out operation.
Description
Technical field
The utility model belongs to drilling technology field, fills more particularly to a kind of auxiliary for coiled tubing Cut-and-thread fishing
It sets.
Background technique
Coiled tubing has a wide range of applications in petroleum industry drilling operation, but in drilling rod in operation process, itself
There are certain bit freezing risks, after lock of tool drilling occurs, usually can release accident using chemical cleavage.But in special circumstances
Under, there are application limitations (including to be limited by concerned countries transportation policy, tissue difficulty is big for chemical cleavage tool etc.；Special material
Matter coiled tubing cutting success rate is not up to the factors such as 100%), it needs to rise by drilling rod to repair, but drilling rod rises
During out, it is easy to happen the situation that coiled tubing is fallen in well, coiled tubing is fallen in well in order to prevent, it usually needs
The upper end of coiled tubing is connect with wirerope, but the drilling rod that wirerope is hindered again when drilling rod rises throws away operation.
Utility model content
For the deficiencies in the prior art, the purpose of the utility model is to provide one kind to beat for coiled tubing punching
The auxiliary device of fishing, wirerope hinders drilling rod to throw away when for solving the problems, such as that drilling rod rises.
The purpose of this utility model is achieved through the following technical solutions：
A kind of auxiliary device for coiled tubing Cut-and-thread fishing, including connecting rope, upper connection, lower connector and pin
Nail, the upper end of the upper connection are equipped with hangers, and the lower end of the upper connection is equipped with holding tank inverted " u "-shaped, described inverted " u "-shaped
The two sides of holding tank are equipped with a first through hole and form one group to perforation, and the lower end of the connecting rope is connect with hangers, described
The upper end of lower connector is equipped with horizontal through hole, and the upper end of the lower connector stretches in holding tank inverted " u "-shaped, and the lower part connects
The upper end of head and the lower end of upper connection connect the pin in perforation and horizontal through hole by being arranged in, the lower connector
Lower end is cylindrical, and the lateral surface of the lower connector lower end is equipped with multiple tracks annular recess.
Upper connection and lower connector are attached by pin, closed convenient for being connected between upper connection and lower connector
The releasing of system extracts pin after rising by drilling rod to release the connection between upper connection and lower connector, consequently facilitating
Subsequent drilling rod gets rid of brill operation, improves production efficiency.
Preferably, the multiple tracks annular recess includes the second annular recess of the first annular recess of multiple tracks and multiple tracks, and described
The vertical section of one annular recess is rectangle, and the vertical section of second annular recess is arch, and the multiple tracks first is cyclic annular
Groove and the alternate setting of the second annular recess of multiple tracks, the distance between described two adjacent first annular recess are equal, described
The distance between two adjacent the second annular recess are equal.
When in use, it needs to stretch to the lower end of lower connector in coiled tubing, then coiled tubing is squeezed, thus will
Lower connector and coiled tubing connect；The lateral surface of lower connector lower end is equipped with the first annular recess and the second ring-type is recessed
Slot can increase the frictional force between lower connector and coiled tubing, thus under preventing coiled tubing from falling off from lower connector
Come.
Preferably, first annular recess has four, and second annular recess has three.
Preferably, chamfered is passed through in the upper end of the lower connector and the lower end of lower connector.
Chamfered is passed through in the upper end of the lower connector and the lower end of lower connector, and lower part can be effectively prevented
Connector causes to scratch to staff and other component, stretches in holding tank inverted " u "-shaped convenient for the upper end of lower end connector, simultaneously
It is also convenient for stretching to the lower end of lower connector in coiled tubing.
Preferably, which further includes tubing slip, and the tubing slip includes the first slips body and the second slips body, institute
It is semicircular first vertical groove that the first slips body, which is stated, equipped with cross section, and it is semicircle that the second slips body, which is equipped with cross section,
The second vertical groove, the first slips body and the second slips body connected by fastening bolt, first vertical groove and
Second vertical groove matches to form tubular hooping structure.
It when getting rid of brill, needs to separate upper connection and lower connector, is fixed coiled tubing using tubing slip
Drilling rod upper end at well head, the first vertical groove and the second vertical groove match the tubular hooping structure to be formed for even
Continuous oil pipe carries out holding fixation, and coiled tubing can be effectively prevented and fall in well, while being also convenient for the drilling rod risen out
It carries out getting rid of brill operation, improve work efficiency.
Preferably, multiple tracks slip insert is equipped in first vertical groove and the second vertical groove.
Multiple tracks slip insert is used to reinforce the frictional force between the first vertical groove and the second vertical groove and coiled tubing, from
And tubing slip is improved to the fixed function of coiled tubing.
Preferably, braced wing, the first slips body and second are equipped on the first slips body and the second slips body
The two sides of slips body are equipped with extension board, and the bolt perforating for wearing fastening bolt is equipped on the extension board.
By tubing slip lock ring at the outside of coiled tubing, coiled tubing can be fixed at well head by braced wing
Drilling rod upper end, prevent coiled tubing from falling in well.Fastening bolt is threaded through in bolt perforating, thus by the first slips body
It is fixed together with the second slips body.
The utility model has the beneficial effects that：Upper connection and lower connector are attached by pin, are convenient for top
The releasing of connection relationship between connector and lower connector extracts pin after rising by drilling rod to release upper connection under
Connection between portion's connector improves production efficiency consequently facilitating subsequent drilling rod gets rid of brill operation；The outside of lower connector lower end
Face is equipped with the first annular recess and the second annular recess, can increase the frictional force between lower connector and coiled tubing, thus
Prevent coiled tubing from splitting away off from lower connector.
Detailed description of the invention
Fig. 1 is the auxiliary device overall structure diagram that the utility model is used for coiled tubing Cut-and-thread fishing.
Fig. 2 is the auxiliary device upper connection left view that the utility model is used for coiled tubing Cut-and-thread fishing.
Fig. 3 is the auxiliary device upper connection cross-sectional view that the utility model is used for coiled tubing Cut-and-thread fishing.
Fig. 4 is the auxiliary device lower connector left view that the utility model is used for coiled tubing Cut-and-thread fishing.
Fig. 5 is the auxiliary device lower connector cross-sectional view that the utility model is used for coiled tubing Cut-and-thread fishing.
Fig. 6 is the auxiliary device tubing slip top view that the utility model is used for coiled tubing Cut-and-thread fishing.
Fig. 7 is auxiliary device the first slips body structural front view that the utility model is used for coiled tubing Cut-and-thread fishing.
Fig. 1 is into Fig. 7：1 is connecting rope, and 2 be upper connection, and 3 be lower connector, and 4 be pin, and 5 be hangers, and 6 be inverted " u "
Shape holding tank, 7 be first through hole, and 8 be horizontal through hole, and 9 be the first annular recess, and 10 be the second annular recess, and 11 be the first card
Watt body, 12 be the first vertical groove, and 13 be the second vertical groove, and 14 be slip insert, and 15 be braced wing, and 16 be extension board, and 17 are
Bolt perforating.
Specific embodiment
Carry out to be used for the utility model the auxiliary of coiled tubing Cut-and-thread fishing with specific case study on implementation with reference to the accompanying drawing
Device further describes in detail, and in the hope of being more fully apparent from expresses the structure feature and concrete application of the utility model,
But it cannot be used as a limitation the protection scope of the utility model.
Embodiment：A kind of auxiliary device for coiled tubing Cut-and-thread fishing, including connecting rope 1, upper connection 2, lower part
Connector 3 and pin 4, the upper end of the upper connection 2 are equipped with hangers 5, and the lower end of the upper connection 2 is equipped with clamping inverted " u "-shaped
Slot 6, the two sides of the holding tank 6 inverted " u "-shaped are equipped with first through hole 7 and form one group to perforation, under the connecting rope 1
End is connect with hangers 5, and the upper end of the lower connector 3 is equipped with horizontal through hole 8, and the upper end of the lower connector 3 stretches to inverted " u "
In shape holding tank 6, the upper end of the lower connector 3 and the lower end of upper connection 2 are by being arranged in in perforation and horizontal through hole 8
Pin 4 connect, the lower end of the lower connector 3 is cylindrical, and it is cyclic annular that the lateral surface of 3 lower end of lower connector is equipped with multiple tracks
Groove.
In the present embodiment, the multiple tracks annular recess includes the first annular recess of multiple tracks 9 and the second annular recess of multiple tracks 10,
The vertical section of first annular recess 9 is rectangle, and the vertical section of second annular recess 10 is arch, the multiple tracks
First annular recess 9 and the alternate setting of the second annular recess of multiple tracks 10, between two adjacent first annular recess 9 away from
From equal, the distance between described two adjacent second annular recess 10 are equal；First annular recess 9 has four, institute
Stating the second annular recess 10 has three；The upper end of the lower connector 3 and the lower end of lower connector 3 are passed through at chamfering
Reason；The device further includes tubing slip, and the tubing slip includes the first slips body 11 and the second slips body, first slips
It is semicircular first vertical groove 12 that body 11, which is equipped with cross section, and it is semicircular second that the second slips body, which is equipped with cross section,
Vertical groove 13, the first slips body 11 are connected with the second slips body by fastening bolt, 12 He of the first vertical groove
Second vertical groove 13 matches to form tubular hooping structure；It is all provided in first vertical groove 12 and the second vertical groove 13
There is multiple tracks slip insert 14；Braced wing 15, the first slips body 11 are equipped on the first slips body 11 and the second slips body
It is equipped with extension board 16 with the two sides of the second slips body, the bolt being equipped on the extension board 16 for wearing fastening bolt is worn
Apertured 17.
In the present embodiment, the connecting rope 1 selects wirerope.
The application method of the present apparatus is：1, top sheave is installed on drilling machine, lower sheave and hoist engine are installed on the ground, it will
Wirerope successively rides upon on top sheave and lower sheave, and the tail end of wirerope is wrapped on the roller of hoist engine, by steel
The head end of cord is connect with the hangers 5 at 2 top of upper connection, and lower connector 3 and the upper end of coiled tubing are attached, will be upper
Portion's connector 2 and lower connector 3 are connected by pin 4；2, a drilling rod of the top is risen, utilizes rig floor chuck clamping second
Root drilling rod, and by the drilling rod of the top and second drilling rod tripping, the drilling rod of the top is continued to lift up, by 11 He of the first slips body
Second slips body is fastened on the outside of coiled tubing, and is fastened the first slips body 11 and the second slips body by fastening bolt,
Make the first slips body 11 and the second slips body that coiled tubing are fixed on second to coiled tubing lock ring, and by braced wing 15
The top of drilling rod；3, the pin 4 between upper connection 2 and lower connector 3 is extracted, divides upper connection 2 mutually with lower connector 3
From throwing away the drilling rod of the top；4, upper connection 2 and lower connector 3 are connected by pin 4, by the first slips body 11 and
Two slips bodies are removed on the outside of coiled tubing, are released clamping of the rig floor chuck to second drilling rod, are acted second drilling rod；5,
Step 2 to each drilling rod of step 4 by second drilling rod and below is repeated to go out and realize to get rid of brill.
Claims (7)
1. a kind of auxiliary device for coiled tubing Cut-and-thread fishing, which is characterized in that the device includes connecting rope (1), top
The upper end of connector (2), lower connector (3) and pin (4), the upper connection (2) is equipped with hangers (5), the upper connection (2)
Lower end be equipped with holding tank inverted " u "-shaped (6), the two sides of the holding tank (6) inverted " u "-shaped are equipped with first through hole (7) shape
At one group to perforation, the lower end of the connecting rope (1) is connect with hangers (5), and the upper end of the lower connector (3) is equipped with horizontal logical
Hole (8), the upper end of the lower connector (3) stretch in holding tank inverted " u "-shaped (6), the upper end of the lower connector (3) with it is upper
The lower end of portion's connector (2) connects the pin (4) in perforation and horizontal through hole (8) by being arranged in, the lower connector (3)
Lower end is cylindrical, and the lateral surface of lower connector (3) lower end is equipped with multiple tracks annular recess.
2. a kind of auxiliary device for coiled tubing Cut-and-thread fishing according to claim 1, which is characterized in that described more
Road annular recess includes the first annular recess of multiple tracks (9) and the second annular recess of multiple tracks (10), first annular recess (9)
Vertical section is rectangle, and the vertical section of second annular recess (10) is arch, first annular recess of multiple tracks (9) and
The alternate setting of the second annular recess of multiple tracks (10), the distance between two adjacent first annular recess (9) are equal, and adjacent two
The distance between a second annular recess (10) is equal.
3. a kind of auxiliary device for coiled tubing Cut-and-thread fishing according to claim 2, which is characterized in that described
One annular recess (9) has four, and second annular recess (10) has three.
4. a kind of auxiliary device for coiled tubing Cut-and-thread fishing according to claim 1, which is characterized in that under described
Chamfered is passed through in the upper end of portion's connector (3) and the lower end of lower connector (3).
5. a kind of auxiliary device for coiled tubing Cut-and-thread fishing according to claim 1, which is characterized in that the device
It further include tubing slip, the tubing slip includes the first slips body (11) and the second slips body, the first slips body (11)
It is semicircular first vertical groove (12) equipped with cross section, it is semicircular second perpendicular that the second slips body, which is equipped with cross section,
To groove (13), the first slips body (11) is connected with the second slips body by fastening bolt, first vertical groove
(12) and the second vertical groove (13) matches to form tubular hooping structure.
6. a kind of auxiliary device for coiled tubing Cut-and-thread fishing according to claim 5, which is characterized in that described
Multiple tracks slip insert (14) are equipped in one vertical groove (12) and the second vertical groove (13).
7. a kind of auxiliary device for coiled tubing Cut-and-thread fishing according to claim 5, which is characterized in that described
It is equipped with braced wing (15) on one slips body (11) and the second slips body, the two of the first slips body (11) and the second slips body
Side is equipped with extension board (16), and the bolt perforating (17) for wearing fastening bolt is equipped on the extension board (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820209640.7U CN208137893U (en) | 2018-02-07 | 2018-02-07 | A kind of auxiliary device for coiled tubing Cut-and-thread fishing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820209640.7U CN208137893U (en) | 2018-02-07 | 2018-02-07 | A kind of auxiliary device for coiled tubing Cut-and-thread fishing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208137893U true CN208137893U (en) | 2018-11-23 |
Family
ID=64286595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820209640.7U Active CN208137893U (en) | 2018-02-07 | 2018-02-07 | A kind of auxiliary device for coiled tubing Cut-and-thread fishing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208137893U (en) |
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2018
- 2018-02-07 CN CN201820209640.7U patent/CN208137893U/en active Active
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