CN206957617U - Throwing and fishing gas lift tool - Google Patents
Throwing and fishing gas lift tool Download PDFInfo
- Publication number
- CN206957617U CN206957617U CN201720326950.2U CN201720326950U CN206957617U CN 206957617 U CN206957617 U CN 206957617U CN 201720326950 U CN201720326950 U CN 201720326950U CN 206957617 U CN206957617 U CN 206957617U
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- China
- Prior art keywords
- sleeve
- collar
- closing piece
- gaslift
- pulling
- 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.)
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- 230000003068 static effect Effects 0.000 claims abstract description 4
- 210000002445 nipple Anatomy 0.000 claims description 40
- 239000002775 capsule Substances 0.000 claims description 35
- 238000007789 sealing Methods 0.000 claims description 6
- 238000005266 casting Methods 0.000 abstract 1
- 238000002347 injection Methods 0.000 description 8
- 239000007924 injection Substances 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 125000006850 spacer group Chemical group 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
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- Valve Housings (AREA)
Abstract
The utility model discloses a casting and fishing gas lift tool, which belongs to the technical field of oil and gas exploitation, and comprises a working barrel and a valve bag, wherein the working barrel is suitable for being sleeved outside the valve bag, and the inner wall of the working barrel is provided with a groove; the valve bag comprises a first sleeve, a first sleeve ring, a second sleeve ring, a locking block, a pressure spring and a fishing head, wherein the first sleeve ring is sleeved on the first sleeve and is suitable for moving on the first sleeve, the second sleeve ring is sleeved on the first sleeve ring and is suitable for being static relative to the first sleeve when the first sleeve ring moves, the first end of the first sleeve ring is connected with the first end of the fishing head, the second end, opposite to the first end, of the fishing head extends beyond the first end of the first sleeve, and the locking block is connected with the second sleeve ring through the pressure spring. Use the utility model provides a throw and drag for gas lift instrument need not mention subaerial oil pipe and working barrel when putting in and salvaging the gas lift valve, and the operation is more convenient.
Description
Technical field
Oil-gas mining technical field is the utility model is related to, more particularly to a kind of pulling gaslift instrument.
Background technology
Gaslift technique has that technique is simple, easy to operate, lifting rate accommodation is big, not by casing programme and well liquid medium shadow
The advantages that ringing, be economic quick, it is widely used in Chuan-yu oil gas field has Gas Reservoirs exploitation, is to be only second to steep exclusive application
Best and most water drainage-gas recovery technology.
At present generally using fixed gas lift valve technique, gas lift valve is fixed in the seating nipple of pulling gaslift instrument
Portion, pulling and running tool and completion tubular column are together in tripping in Oil/gas Well.
During the utility model is realized, designer has found that prior art at least has problems with：
When needing to change gas lift valve, it is necessary to tubing string and seating nipple are mentioned on ground, operate it is comparatively laborious, efficiency compared with
It is low.
Utility model content
In view of this, the utility model provides a kind of pulling gaslift instrument, without tubing string and seating nipple are mentioned on ground
The dispensing and salvaging of gas lift valve can be completed, operation is more convenient.
Specifically, including following technical scheme：
The utility model provides a kind of pulling gaslift instrument, including valve capsule and seating nipple, wherein,
The seating nipple is adapted to fit over outside the valve capsule, is set on the inwall of the seating nipple fluted；
The valve capsule includes the first sleeve, first collar, second collar, closing piece, stage clip and fishing head, first collar
It is enclosed on first sleeve and suitable for being moved on first sleeve, second collar is enclosed on first collar and is suitable to
It is static relative to first sleeve when first collar moves, first end and the fishing head of first collar
First end connects, and second end relative with first end of the fishing head extends beyond the first end of first sleeve, described
Closing piece is connected by the stage clip with second collar；
When the valve capsule is introduced into inside the seating nipple, the second end ratio relative with first end of first collar
First end of the closing piece close to first sleeve；
When the valve capsule is located inside the seating nipple, first collar is suitable to the second end of first sleeve
Direction move and enter the closing piece between first sleeve so that the closing piece is stuck in the groove；Described
The direction that one collar is further adapted for the first end to first sleeve under the drive of the fishing head is moved, away from the lock
Block, so as to which the stage clip makes the closing piece be separated with the groove.
Selectively, it is provided with screw thread on the inwall of the fishing head.
Selectively, the closing piece is internally provided with passage, and the stage clip is partly into the passage and is suitable to
Moved in the passage.
Selectively, the outer wall close to the part at the second end of first collar forms inclination from the second end to first end
Angle, the wall thickness at the inclination angle are gradually reduced to the second end.
Selectively, the inwall near the one end of the closing piece away from the fishing head forms inclination angle, the inclination
Wall thickness at angle is gradually reduced to one end away from the fishing head.
Selectively, the seating nipple includes second sleeve and 3rd sleeve, and the second sleeve is set in the described 3rd
Cartridge exterior, the second sleeve and the 3rd sleeve offer the first perforate and second and opened respectively on corresponding position
Hole, ball-and-seat is provided between first perforate and second perforate, is set on the inwall of the 3rd sleeve fluted.
Selectively, the both ends of the second sleeve are removably connected with joint respectively.
Selectively, injecting hole, when the closing piece is stuck in the groove, the gas injection are offered on first sleeve
Hole connects with the ball-and-seat.
Selectively, between the first end of the injecting hole and first sleeve, it is provided with first sleeve
The cavity of first sleeve is divided into two parts by seal receptacle, the seal receptacle.
Selectively, the second end of first sleeve is removably connected with joint.
Selectively, first sleeve includes Part I, Part II and Part III, and the one of the Part II
End is connected with the Part I, and the other end of the Part II is connected with the Part III, the Part II and institute
State Part I, the junction of the Part III is respectively arranged with gasket ring and sealing ring.
The beneficial effect of technical scheme that the utility model embodiment provides is：
The utility model provides a kind of pulling gaslift instrument, including valve capsule and seating nipple, and valve capsule includes the first sleeve, the
One collar, second collar, closing piece, stage clip and fishing head.When in use, the both ends of seating nipple are connected with tubing string respectively first,
G.I.H.Gas lift valve is arranged in the internal cavities of the first sleeve, is connected using steel wire rope with the first end of the first sleeve,
Then valve capsule is launched into seating nipple, using bumper jar jarring fishing head, fishing head is driven first set the first sleeve of ring
The second end direction motion, second collar is relative to the first sleeve transfixion, so as to which first collar enters closing piece and first
Between sleeve, closing piece is stuck in the groove of seating nipple.So, gas lift valve and valve capsule are fixed in seating nipple.When needing to take out
During gas lift valve, fishing tool is sent into well on ground, fishing tool is connected with fishing head, is lifted up fishing tool, band
Dynamic fishing head moves to the direction of the first end of the first sleeve, and fishing head drives the motion of first collar, and then first collar is remote
Closing piece, stage clip make closing piece be separated with groove, realize the separation of valve capsule and seating nipple, pull fishing tool can be by valve capsule from well
Take out, then gas lift valve is taken out from valve capsule.Pulling gaslift instrument provided by the utility model, launching and salvaging gaslift
Do not have to tubing string and seating nipple to mention on ground during valve, operation is more convenient.
Brief description of the drawings
, below will be to needed for embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
The accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some realities of the present utility model
Example is applied, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is a kind of structural representation of pulling gaslift instrument in the embodiment of the utility model one.
Reference in figure represents respectively：
A, valve capsule；B, seating nipple；
1st, the first sleeve；2nd, fishing head；3rd, first collar；4th, second collar；5th, closing piece；6th, stage clip；7th, the 3rd collar；8、
Shear pin；9th, gasket ring；10th, V-shaped seal ring；11st, V-shaped seal ring；12nd, spacer ring；13rd, O-ring seal；14th, O-ring seal；15th,
Two sleeves；16th, 3rd sleeve；17th, joint；18th, joint；19th, joint；20th, ball-and-seat；21st, groove；22nd, injecting hole；23rd, it is close
Seal seat；24th, O-ring seal；25th, O-ring seal.
Embodiment
To make the technical solution of the utility model and advantage clearer, the utility model is implemented below in conjunction with accompanying drawing
Mode is described in further detail.
The embodiment of the utility model one provides a kind of pulling gaslift instrument, as shown in figure 1, including valve capsule A and seating nipple
B, wherein, seating nipple B is adapted to fit over outside valve capsule A, and fluted 21 are set on seating nipple B inwall；Valve capsule A includes the first sleeve
1st, first collar 3, second collar 4, closing piece 5, stage clip 6 and fishing head 2, first collar 3 are enclosed on the first sleeve 1 and suitable for the
Moved on one sleeve 1, second collar 4 is enclosed on first collar 1 and is suitable to when first collar 3 moves relative to first set cylinder 1
Static, the first end of first collar 3 is connected with the first end of fishing head 2, the second end extension relative with first end of fishing head 2
More than the first end of the first sleeve 1, closing piece 5 is connected by stage clip 6 with second collar 4；Before valve capsule A is introduced into seating nipple B,
First end of second end relative with first end of first collar 3 than closing piece 5 close to the first sleeve 1；When valve capsule A is located at seating nipple
When inside B, between first collar 3 is suitable to move to the direction at the second end of the first sleeve 1 and enters the sleeve 1 of closing piece 5 and first,
So that closing piece 5 is stuck in groove 21；First collar 3 is further adapted for the side of the first end to the first sleeve 1 under the drive of fishing head 2
To motion, away from closing piece 5, so as to which stage clip 6 makes closing piece 5 be separated with groove 21.
During using pulling gaslift instrument provided by the utility model, seating nipple B both ends are connected with tubing string respectively first,
G.I.H.By gas lift valve in the internal cavities of valve capsule A the first sleeve 1, using the of steel wire rope and the first sleeve 1
One end connects, and then by valve capsule A G.I.Hs and is put into seating nipple B, using bumper jar jarring fishing head 2, makes the band of fishing head 2
Dynamic first collar 3 moves to the direction at the second end of the first sleeve 1, and first collar 3 enters between the sleeve 1 of closing piece 5 and first, with
Closing piece 5 is set to be stuck in seating nipple B groove 21.So, gas lift valve and valve capsule A are fixed in seating nipple B.When need take out gas
When lifting valve, fishing tool is sent into well on ground, fishing tool is connected with fishing head 2, is lifted up fishing tool, driven
Fishing head 2 moves to the direction of the first end of the first sleeve 1, and fishing head 2 drives first end of first collar 3 to the first sleeve 1
Direction motion, and then first collar 3 makes closing piece 5 be separated with groove 21 away from closing piece 5, stage clip 6, you can realizes valve capsule A and work
Make cylinder B separation, pull fishing tool to take out valve capsule A from well, then gas lift valve is taken out from valve capsule A.This
The pulling gaslift instrument that embodiment provides, when launching and salvaging gas lift valve do not have to oil pipe and seating nipple to mention on ground, grasp
Make comparisons conveniently.
In the present embodiment, multiple seating nipple B can be connected between tubing string, are needed valve capsule A to be put into what is specified according to construction
In seating nipple B.
In the present embodiment, steel wire rope can be connected by shear pin 8 with the first sleeve 1.Valve capsule A is being fixed on seating nipple B
Afterwards, steel wire rope is carried upwards, and shear pin 8 is cut, and steel wire rope separates with the first sleeve 1.
One kind as the present embodiment is improved, and screw thread is provided with the inwall of fishing head 2.Pulling and running tool can by screw thread with
Fishing head 2 is attached.Fouling, foul deposition in well are easily capped the outside of fishing head 2, set internal thread to avoid
Screw thread is buried so as to be unfavorable for the situation of the development of follow-up salvage.
One kind as the present embodiment is improved, and passage is provided with closing piece 5, and stage clip 6 is partly into passage and fitted
In being moved in passage.So, first collar 3 enter the sleeve 1 of closing piece 5 and first between when, stage clip 6 in passage relative to
Closing piece 5 moves to the direction of the first end of the first sleeve 1.When first collar 3 is away from closing piece 5, the phase in passage of stage clip 6
Moved for closing piece 5 to the direction at the second end of the first sleeve 1, so that closing piece 5 separates with groove 21.
In the present embodiment, as shown in figure 1, valve capsule A also includes the 3rd collar 7, the 3rd collar 7 is threadedly secured to
The outside of one sleeve 1, motion of the limitation closing piece 5 to the second extreme direction of the first sleeve 1.So, in first collar 3 to first set
During the direction motion at the second end of cylinder 1, the 3rd collar 7 limits motion of the closing piece 5 to the second extreme direction of the first sleeve 1, so as to
First collar 3 enters between the sleeve 1 of closing piece 5 and first.And closing piece 5 is connected by stage clip 6 with second collar 4, the 3rd collar 7
Motion of the closing piece 5 to the second extreme direction of the first sleeve 1 is limited, second collar 4 can not move relative to the first sleeve 1.But this
Utility model not limited to this, also valve capsule A outer wall can be designed a projection, the projection can limit closing piece 5 to the first sleeve 1
The motion of second extreme direction, it can now be not provided with the 3rd collar 7.
One kind as the present embodiment is improved, and the outer wall close to the part at the second end of first collar 3 is from the second end to the
One end forms inclination angle, and the wall thickness at inclination angle is gradually reduced to the second end.So, first collar 3 is easier to enter the He of closing piece 5
Between first sleeve 1.
One kind as the present embodiment is improved, and the inwall near the one end of closing piece 5 away from fishing head 2 forms inclination angle,
Wall thickness at inclination angle is gradually reduced to one end away from fishing head 2.So, the inclination angle of first collar 3 and the inclination of closing piece 5
Angle is mutually agreed with, and more conducively first collar 3 enters between the sleeve 1 of closing piece 5 and first.
One kind as the present embodiment is improved, as shown in figure 1, seating nipple B includes second sleeve 15 and 3rd sleeve 16, the
Two sleeves 15 are set in outside 3rd sleeve 16, and second sleeve 15 and 3rd sleeve 16 offer respectively on corresponding position
One perforate and the second perforate, ball-and-seat 20 is provided between the first perforate and the second perforate, is set on the inwall of 3rd sleeve 16
Fluted 21.When valve capsule A enters in seating nipple B, closing piece is stuck in groove 21.When needing the gas injection into gas lift valve, pass through list
Stream valve 20 injects into gas lift valve.In the utility model, it can distinguish in the correspondence position of second sleeve 15 and 3rd sleeve 16
Multiple first perforates and the second perforate are set, ball-and-seat 20 is respectively provided between each first perforate and corresponding second perforate,
So as to pass through multiple gas injections into gas lift valve of ball-and-seat 20.Multiple first perforates are evenly distributed on second sleeve 15 and axis
In vertical cross-sectional periphery, multiple second perforates are evenly distributed in the cross-sectional periphery vertical with axis of 3rd sleeve 16, this
Sample, seating nipple smooth working can be ensured in gas injection.
One kind as the present embodiment is improved, as shown in figure 1, offering injecting hole 22 on the first sleeve 1, closing piece 5 is stuck in
When in groove 21, injecting hole 22 connects with ball-and-seat 20.So, the gas of injection passes through gas injection out of seating nipple ball-and-seat 20
Hole 22 is entered in gas lift valve.Multiple injecting holes 22 can be opened up on the barrel of the first sleeve 1, multiple injecting holes 22 are uniformly distributed
In the cross-sectional periphery vertical with axis of the first sleeve 1, so, valve capsule A smooth workings can be ensured in gas injection.
One kind as the present embodiment is improved, as shown in figure 1, the both ends of second sleeve 15 are removably connected with joint respectively
18 and 19.Second sleeve 15 is connected by joint 18 and 19 with tubing string respectively.In the present embodiment, can be set on joint 18 and 19
Internal thread or external screw thread are put, so as to which joint 18 and 19 can be attached by screw thread and tubing string.
One kind as the present embodiment is improved, as shown in figure 1, the second end of the first sleeve 1 is removably connected with joint 17.
Specifically, joint 17 can be connected by screw thread with the second end of the first sleeve 1.As shown in figure 1, remote the first of the second joint 17
The one end open of sleeve 1 is smaller, can play a part of fixed gas lift valve, prevents gas lift valve from being scurried out from the first sleeve 1.
One kind as the present embodiment is improved, as shown in figure 1, between the first end of the sleeve 1 of injecting hole 22 and first,
Seal receptacle 23 is provided with first sleeve 1, the cavity of the first sleeve 1 is divided into two parts by seal receptacle 23.So, from injecting hole 22
The gas of injection can only can not move to the first end motion of the first sleeve 1 to the direction at the second end of the first sleeve 1.
One kind as the present embodiment is improved, as shown in figure 1, the first sleeve 1 may include Part I, Part II and the
Three parts, one end of Part II are connected with Part I, and the other end of Part II is connected with Part III, Part II with
Part I, the junction of Part III are respectively arranged with gasket ring 9 and sealing ring.In order to install gas lift valve conveniently, the first sleeve 1
Barrel can be made up of three parts, by gas lift valve be arranged on the first sleeve 1 in cavity in when, can be first by the first sleeve 1
Part II is enclosed on gas lift valve, then Part I and Part III are connected to the both ends of big Part II respectively.Specifically,
A part, Part III and Part II can be attached by screw thread.In order to ensure the sealing of junction, as shown in figure 1,
O-ring seal 13,14,24 and 25 is provided between the barrel of junction, gasket ring 9, V are provided with outside the barrel of junction
Type sealing ring 10 and 11 and spacer ring 12, in order that better tightness, sets two gasket rings, set between each gasket ring and spacer ring
It is equipped with two V-shaped seal rings.Similarly, the installation in order to facilitate 3rd sleeve 16 in second sleeve 15, second sleeve 15
It may include three parts, connected two parts are connected through a screw thread, and junction sets gasket ring, V-shaped seal ring and spacer ring, to ensure
Sealing, it is not labeled in Fig. 1.
It is described above to be for only for ease of it will be understood by those skilled in the art that the technical solution of the utility model, not to
Limit the utility model.All any modification, equivalent substitution and improvements within the spirit and principles of the utility model, made etc.,
It should be included within the scope of protection of the utility model.
Claims (11)
- A kind of 1. pulling gaslift instrument, it is characterised in that including valve capsule and seating nipple, wherein,The seating nipple is adapted to fit over outside the valve capsule, is set on the inwall of the seating nipple fluted；The valve capsule includes the first sleeve, first collar, second collar, closing piece, stage clip and fishing head, and the first set ring set exists On first sleeve and suitable for being moved on first sleeve, second collar is enclosed on first collar and is suitable to It is static relative to first sleeve when first collar moves, first end and the fishing head of first collar First end connects, and second end relative with first end of the fishing head extends beyond the first end of first sleeve, described Closing piece is connected by the stage clip with second collar；When the valve capsule is introduced into inside the seating nipple, described in the second end ratio relative with first end of first collar First end of the closing piece close to first sleeve；When the valve capsule is located inside the seating nipple, first collar is suitable to the side to the second end of first sleeve To moving and entering between the closing piece and first sleeve, so that the closing piece is stuck in the groove；The first set The direction that ring is further adapted for the first end to first sleeve under the drive of the fishing head is moved, the remote closing piece, from And the stage clip makes the closing piece be separated with the groove.
- 2. pulling gaslift instrument according to claim 1, it is characterised in that be provided with spiral shell on the inwall of the fishing head Line.
- 3. pulling gaslift instrument according to claim 1, it is characterised in that the closing piece is internally provided with passage, described Stage clip is partly into the passage and suitable for being moved in the passage.
- 4. pulling gaslift instrument according to claim 1, it is characterised in that the portion at close second end of first collar Point outer wall form inclination angle from the second end to first end, the wall thickness at the inclination angle is gradually reduced to the second end.
- 5. pulling gaslift instrument according to claim 1, it is characterised in that the one end of the closing piece away from the fishing head Near inwall form inclination angle, the wall thickness at the inclination angle is gradually reduced to one end away from the fishing head.
- 6. pulling gaslift instrument according to claim 1, it is characterised in that the seating nipple includes second sleeve and the 3rd Sleeve, the second sleeve are set in outside the 3rd sleeve, and the second sleeve and the 3rd sleeve are in corresponding position Put and offer the first perforate and the second perforate respectively, ball-and-seat is provided between first perforate and second perforate, Set on the inwall of the 3rd sleeve fluted.
- 7. pulling gaslift instrument according to claim 6, it is characterised in that the both ends difference of the second sleeve is detachable It is connected with joint.
- 8. pulling gaslift instrument according to claim 6, it is characterised in that injecting hole is offered on first sleeve, When the closing piece is stuck in the groove, the injecting hole connects with the ball-and-seat.
- 9. pulling gaslift instrument according to claim 8, it is characterised in that in the injecting hole and first sleeve Between first end, seal receptacle is provided with first sleeve, the cavity of first sleeve is divided into two by the seal receptacle Point.
- 10. pulling gaslift instrument according to claim 1, it is characterised in that the second end of first sleeve is detachable It is connected with joint.
- 11. according to the pulling gaslift instrument described in claim 1-10 any of which items, it is characterised in that the first sleeve bag Part I, Part II and Part III are included, one end of the Part II is connected with the Part I, described second The other end divided is connected with the Part III, the Part II and the Part I, the junction of the Part III It is respectively arranged with gasket ring and sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720326950.2U CN206957617U (en) | 2017-03-30 | 2017-03-30 | Throwing and fishing gas lift tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720326950.2U CN206957617U (en) | 2017-03-30 | 2017-03-30 | Throwing and fishing gas lift tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206957617U true CN206957617U (en) | 2018-02-02 |
Family
ID=61372335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720326950.2U Active CN206957617U (en) | 2017-03-30 | 2017-03-30 | Throwing and fishing gas lift tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206957617U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112012701A (en) * | 2019-05-28 | 2020-12-01 | 中国石油天然气股份有限公司 | Gas lift tool and method of use |
-
2017
- 2017-03-30 CN CN201720326950.2U patent/CN206957617U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112012701A (en) * | 2019-05-28 | 2020-12-01 | 中国石油天然气股份有限公司 | Gas lift tool and method of use |
| CN112012701B (en) * | 2019-05-28 | 2022-08-30 | 中国石油天然气股份有限公司 | Gas lift tool and method of use |
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