CN205977138U - Device for connecting be used for coiled tubing and fill head butt joint - Google Patents
Device for connecting be used for coiled tubing and fill head butt joint Download PDFInfo
- Publication number
- CN205977138U CN205977138U CN201620561483.7U CN201620561483U CN205977138U CN 205977138 U CN205977138 U CN 205977138U CN 201620561483 U CN201620561483 U CN 201620561483U CN 205977138 U CN205977138 U CN 205977138U
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- China
- Prior art keywords
- hole
- coiled tubing
- ball
- injection head
- 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
The utility model discloses a device for connecting be used for coiled tubing and fill head butt joint, including wire rope, wire rope's one end is passed through oil pipe butt joint ware and is connected continuous oil pipe, and wire rope's the other end passes and twines on the winch from fill head is inside. The problem of wasting time and energy of existing of current coiled tubing and fill head butt joint mode is solved.
Description
Technical field
This utility model belongs to continuous oil pipe operation technical field, is related to a kind of dock with injection head for coiled tubing
Attachment means.
Background technology
Injection head is the nucleus equipment of coild tubing unit, and its main function is the delivered downhole of coiled tubing and carries
Rise.Before to every mouthful of well construction, it is requisite operation that coiled tubing is docked with injection head, by using this docking work
Tool, can be rapidly completed docking of coiled tubing and injection head, laborsaving save time, economical and practical moreover it is possible to the safety of raising operation.
Prior art uses docking of coiled tubing and injection head, mostly using crane lifting method, will be connected with crane first
Continuous oil pipe pulls out from oil pipe cylinder, moves the upper position of injection head always to, and then operating personnel is to injection head top, even
The mandatory entrance penetrating injection head of continuous tubing head, until coiled tubing is admitted to injection head grip block, by the one of grip block
Clamp holding force and driving, make coiled tubing slowly move through blowout prevention box, just complete docking of coiled tubing and injection head.Entirely right
Termination process, because the intensity of coiled tubing and elastic ratio are larger, natural torsion radian is big, and it is very tired that coiled tubing head enters injection head
Difficulty, needs 2-3 people just can complete, arduously takes very much, affects the equipment set-up time.
Utility model content
The purpose of this utility model is to provide a kind of attachment means docked for coiled tubing with injection head, solves existing
The problem wasting time and energy with the presence of coiled tubing and injection head docking mode.
This utility model be employed technical scheme comprise that, a kind of attachment means docked with injection head for coiled tubing,
Including steel wire rope, one end of steel wire rope connects coiled tubing by oil pipe docking adapter, and the other end of steel wire rope is inside injection head
Pass through and be wrapped on winch.
Feature of the present utility model also resides in,
On cylinder, the other end of coiled tubing is connected the one ends wound of wherein coiled tubing with oil pipe docking adapter.
Wherein oil pipe docking adapter includes being socketed in the expansion sleeve within the coiled tubing mouth of pipe, along along the central axis of expansion sleeve
Offer hole c and hole d, one end end insertion of hole c and expansion sleeve, the other end end insertion of hole d and expansion sleeve, hole c successively
In be socketed with taper and rise core, offer through hole a at the central axis of the core that rises, the small-caliber end of the core that rises stretches in the c of hole, connecting rod
One end passes through the through hole a rising in core to stretch out expansion sleeve from the d of hole, and the other end of connecting rod passes through the one of connecting seat connecting steel wire ropes
End.
The outer wall of wherein expansion sleeve is machined with laciniation, and the inwall of hole c and hole d is provided with female thread, the outer wall of the core that rises
It is provided with external screw thread, the inwall of through hole a is machined with female thread, and the outer wall of connecting rod is provided with external screw thread, one end of connecting rod and through hole
, all by threaded engagement connection, the other end end of connecting rod is provided with ball-joint a for a, hole d, and connecting rod is passed through ball-joint a and is connected
Seat connects.
One end of wherein connecting seat offers hole a, and hole a extends to the inside of connecting seat, hole a from one end end face of connecting seat
Bottom be processed into the spherical arc matching with ball-joint a, ball-joint a is stuck in a of hole, and the radius of a ball of ball-joint a is more than
The bar footpath of connecting rod；The other end of connecting seat is provided with hole e, and the inwall of hole e is provided with female thread, is provided with the bottom centre of hole e
Hole b, the outer wall of positioning seat is provided with external screw thread, and positioning seat is arranged in the e of hole and is threaded connection, in positioning seat with connecting seat
Through hole b is offered, one end of steel wire rope is provided with ball-joint b, one end of steel wire rope is through in through hole b and by ball-joint at heart axis
B is stuck in the b of hole, and the shape of hole b is adapted with the shape of ball-joint b, and the radius of a ball of ball-joint b is more than the aperture of through hole b, positioning
Ball-joint b is stuck in the b of hole thus being connected to steel wire rope on connecting seat seat.
The aperture of its mesopore c is more than the aperture of hole d, and the hole depth of hole c is 2～3 times of hole d hole depth；
Three grooves are offered on the inwall of hole c, the length of groove is identical with hole c length, three grooves are between any two
120 ° of settings.
Wherein injection head is provided with leading truck, and the bottom of leading truck is provided with centralizer, and leading truck includes the support a of arc,
Support a is provided with roller, sets gradually along the arc direction of support a between each roller, and the bottom of support a is provided with centralizer, helps
Positive device is arranged on the porch of injection head, and the upper end of support a is supported by support b.
Wherein centralizer is the hollow guide pipe being vertically arranged, and the top of centralizer is rounding mesa-shaped, the bottom of centralizer
For cylindric, the bottom of centralizer is fixed on the porch of injection head.
Wherein it is provided with support c at the outlet at bottom of injection head, support c is provided with pulley, the other end of steel wire rope passes through
Pulley is connected with winch.
Wherein winch includes roller, and the driving end of roller center axle connects hydraulic motor, and the two ends of roller center axle are respectively
Supported by support d.
The beneficial effects of the utility model are to pull steel wire rope by winch in this device, and steel wire rope drives oil pipe to note
Enter mobile inside head, until oil pipe is drawn in inside injection head, decrease the work high above the ground of docking operation, alleviate the body of workman
Power is worked, and speed is fast, high efficiency, significantly saves the equipment set-up time.Solve existing coiled tubing and the injection head side of docking
The problem wasting time and energy that formula exists.
Brief description
Fig. 1 is a kind of structural representation of the attachment means docked with injection head for coiled tubing of this utility model；
Fig. 2 is the structural representation of oil pipe docking adapter in Fig. 1；
Fig. 3 is the end face structure schematic diagram of expansion sleeve in Fig. 2.
In figure, 1. coiled tubing；
2. oil pipe docking adapter, 2-1. expansion sleeve, 2-2. rises core, 2-3. connecting rod, 2-4. ball-joint a, 2-5. hole a, 2-6.
Connecting seat, 2-7. hole b, 2-8. ball-joint b, 2-9. groove, 2-10. positioning seat, 2-11. hole c, 2-12. hole d, 2-13. through hole a,
2-14. through hole b；
3. steel wire rope, 4. cylinder, 5. roller, 6. support a, 7. support b, 8. injection head, 9. blowout prevention box, 10. support c, 11.
Pulley, 12. rollers, 13. guiders.
Specific embodiment
With reference to the accompanying drawings and detailed description this utility model is described in detail.
A kind of attachment means docked with injection head for coiled tubing of this utility model, structure is as shown in figure 1, include steel
Cord 3, one end of steel wire rope 3 connects coiled tubing 1 by oil pipe docking adapter 2, and the other end of steel wire rope 3 is inside injection head 8
Pass through and be wrapped on winch.
On cylinder 4, the other end of coiled tubing 1 is connected the one ends wound of wherein coiled tubing 1 with oil pipe docking adapter 2.
As shown in Fig. 2 oil pipe docking adapter 2 includes being socketed in the expansion sleeve 2-1 within coiled tubing 1 (one end) mouth of pipe, edge
Hole c2-11 (circular hole) and hole d2-12 (circular hole), hole c2-11 and expansion sleeve 2- are offered successively on the central axis of expansion sleeve 2-1
1 one end end insertion, the other end end insertion of hole d2-12 and expansion sleeve 2-1, it is socketed with taper in the c2-11 of hole and rise core 2-2
(expansion sleeve 2-1 spreading can be made expansion sleeve 2-1 firmly be attached on the inwall of coiled tubing 1 by the conical surface of the core 2-2 that rises), rises
Through hole a2-13 is offered, the small-caliber end of the core 2-2 that rises stretches in the c2-11 of hole at the central axis of core 2-2, the one of connecting rod 2-3
Expansion sleeve 2-1 is stretched out through the through hole a2-13 rising in core 2-2 from the d2-12 of hole in end, and the other end of connecting rod 2-3 passes through to connect
One end of seat 2-6 connecting steel wire ropes 3.
The outer wall of expansion sleeve 2-1 is machined with laciniation, and the inwall of hole c2-11 and hole d2-12 is provided with female thread, and rise core
The outer wall of 2-2 is provided with external screw thread, and the inwall of through hole a2-13 is machined with female thread, and the outer wall of connecting rod 2-3 is provided with external screw thread, even
One end of extension bar 2-3 and through hole a2-13 (rise core 2-2), hole d2-12 are all by threaded engagement connection, the other end of connecting rod 2-3
End is provided with ball-joint a2-4, and connecting rod 2-3 is connected with connecting seat 2-6 by ball-joint a2-4.
One end of wherein connecting seat 2-6 offers hole a2-5, and hole a2-5 extends to connection from one end end face of connecting seat 2-6
The inside of seat 2-6, the bottom of hole a2-5 is processed into the spherical arc matching with ball-joint a2-4, and ball-joint a2-4 is stuck in hole
In a2-5, the radius of a ball of ball-joint a2-4 is more than the bar footpath of connecting rod 2-3, and (ball-joint a2-4 is stuck in connecting rod 2- in the a2-5 of hole
3 are coupled together with connecting seat, and hole a2-5 is that aperture is little but not isometrical spherical pore that inner radial is big, and the aperture bore of hole a2-5 is little
In the radius of a ball of ball-joint a2-4, ball-joint a2-4 is stuck in the inside of hole a2-5, ball-joint a2-4 by the therefore aperture of hole a2-5
Can not spin off from the a2-5 of hole and therefore connecting rod 2-3 and connecting seat 2-6 link together)；The other end of connecting seat 2-6
It is provided with hole e, the inwall of hole e is provided with female thread, is provided with hole b2-7 at the bottom centre of hole e, and the outer wall of positioning seat 2-10 is provided with
External screw thread, positioning seat 2-10 is arranged in the e of hole and is threaded connection with connecting seat 2-6, at the central axis of positioning seat 2-10
Offer through hole b2-14, one end of steel wire rope 3 is provided with ball-joint b2-8, one end of steel wire rope 3 is through in through hole b2-14 and will
Ball-joint b2-8 is stuck in the b2-7 of hole, and the shape of hole b2-7 is adapted with the shape of ball-joint b2-8, the ball half of ball-joint b2-8
Footpath is more than the aperture of through hole b2-14, and ball-joint b2-8 is stuck in the b2-7 of hole thus being connected to steel wire rope 3 positioning seat 2-10
On connecting seat 2-6.
The aperture of its mesopore c2-11 is more than the aperture of hole d2-12, and the hole depth of hole c2-11 is the 2～3 of hole d2-12 hole depth
Times；
As shown in figure 3, three groove 2-9 (being easy to expansion sleeve 2-1 spreading), groove 2-9 are offered on the inwall of hole c2-11
Length identical with hole c2-11 length, three groove 2-9 are in 120 ° of settings between any two.
Wherein injection head 8 is provided with leading truck, and the bottom of leading truck is provided with centralizer 13, and leading truck includes the support of arc
A6 (crooked radian of support a6 is 40 °～50 °), support a6 is provided with (at least two) roller 5, along support between each roller 5
The arc direction of a6 sets gradually, and the bottom of support a6 is provided with centralizer 13, and centralizer 13 is arranged on the porch of injection head 8,
The upper end of support a6 is supported by support b7, and support b7 is fixed on the housing of injection head 8.
Wherein centralizer 13 is the hollow guide pipe being vertically arranged, and the top of centralizer 13 is rounding mesa-shaped (upper end bore
Greatly, lower end bore is little), the bottom of centralizer 13 is that cylindric (cylinder aperture of centralizer 13 bottom is than the caliber of coiled tubing 1
Big 2mm～5mm), the bottom of centralizer 13 is fixed on the porch of injection head 8, and (lower end of support a6 is fixed on centralizer 13
On upper orifice side).
Wherein be provided with support c10 at the outlet at bottom of injection head 8, support c10 be provided with pulley 11, steel wire rope 3 another
One end is connected through pulley 11 with winch.
Wherein winch includes roller 12, and the driving end of roller 12 central shaft connects hydraulic motor, and the two of roller 12 central shaft
End is supported by support d respectively.
A kind of using method of the attachment means docked with injection head for coiled tubing of this utility model is, first by steel wire
Rope 3 from roller 12 pull out, then pass through blowout prevention box 9 (blowout prevention box 9 is existing structure, is arranged on the bottom of injection head 8) endoporus,
Steel wire rope 3 is pulled out by the oil pipe grip block endoporus within injection head 8, and steel wire rope 3 is connected with oil pipe docking adapter 2 through leading truck,
Open hydraulic motor, roller 12 rotates, and steel wire rope 3 is wound, now steel wire rope 3 passes through oil pipe docking adapter 2 with connection
Oil pipe 1 moves to injection head, and from guider 13, (steel wire rope 3 is upper from guider 13 along the roller 5 on support a6 for steel wire rope 3
Portion enter stretches out from the bottom of guider 13) be passed in injection head 8, steel wire rope 3 is with coiled tubing 1 through injection head 8
In grip block eventually enter in the blowout prevention box 9 being arranged on injection head 8 exit, now, coiled tubing 1 is right with injection head 8
Connect work to complete.
Claims (7)
1. a kind of attachment means docked with injection head for coiled tubing it is characterised in that：Including steel wire rope (3), steel wire rope
(3) one end connects coiled tubing (1) by oil pipe docking adapter (2), and the other end of steel wire rope (3) is worn inside injection head (8)
Cross and be wrapped on winch；
Described oil pipe docking adapter (2) includes being socketed in the expansion sleeve (2-1) within coiled tubing (1) mouth of pipe, along expansion sleeve (2-1)
Central axis on offer hole c (2-11) and hole d (2-12) successively, hole c (2-11) is passed through with one end end of expansion sleeve (2-1)
Logical, the other end end insertion of hole d (2-12) and expansion sleeve (2-1), it is socketed with taper in hole c (2-11) and rises core (2-2), rise core
(2-2) offer through hole a (2-13) at central axis, the small-caliber end of the core that rises (2-2) stretches in hole c (2-11), connecting rod
(2-3) one end passes through the through hole a (2-13) rising in core (2-2) to stretch out expansion sleeve (2-1), connecting rod (2- from hole d (2-12)
3) the other end passes through one end of connecting seat (2-6) connecting steel wire ropes (3)；
The outer wall of described expansion sleeve (2-1) is machined with laciniation, and the inwall of hole c (2-11) and hole d (2-12) is provided with interior spiral shell
Stricture of vagina, the outer wall of the core that rises (2-2) is provided with external screw thread, and the inwall of through hole a (2-13) is machined with female thread, the outer wall of connecting rod (2-3)
It is provided with external screw thread, one end of connecting rod (2-3) and through hole a (2-13), hole d (2-12) are all by threaded engagement connection, connecting rod
(2-3) other end end is provided with ball-joint a (2-4), and connecting rod (2-3) passes through ball-joint a (2-4) with connecting seat (2-6) even
Connect；
One end of described connecting seat (2-6) offers hole a (2-5), and hole a (2-5) extends to from one end end face of connecting seat (2-6)
The inside of connecting seat (2-6), the bottom of hole a (2-5) is processed into the spherical arc matching with described ball-joint a (2-4), ball
Joint a (2-4) is stuck in hole a (2-5), and the radius of a ball of ball-joint a (2-4) is more than the bar footpath of connecting rod (2-3)；Described connection
The other end of seat (2-6) is provided with hole e, and the inwall of described hole e is provided with female thread, is provided with hole b at the bottom centre of described hole e
(2-7), the outer wall of positioning seat (2-10) is provided with external screw thread, positioning seat (2-10) be arranged in described hole e and with connecting seat (2-6)
It is threaded connection, at the central axis of positioning seat (2-10), offers through hole b (2-14), one end of described steel wire rope (3) sets
There is ball-joint b (2-8), one end of described steel wire rope (3) is through in through hole b (2-14) and ball-joint b (2-8) is stuck in hole b (2-
7) in, the shape of hole b (2-7) is adapted with the shape of ball-joint b (2-8), and the radius of a ball of ball-joint b (2-8) is more than through hole b
(2-14) aperture, ball-joint b (2-8) is stuck in hole b (2-7) thus being connected to steel wire rope (3) positioning seat (2-10)
On connecting seat (2-6).
2. a kind of attachment means docked with injection head for coiled tubing according to claim 1 it is characterised in that：Institute
On cylinder (4), the other end of coiled tubing (1) is connected the one ends wound stating coiled tubing (1) with oil pipe docking adapter (2).
3. a kind of attachment means docked with injection head for coiled tubing according to claim 1 it is characterised in that：Institute
The aperture stating hole c (2-11) is more than the aperture of hole d (2-12), and the hole depth of hole c (2-11) is the 2～3 of hole d (2-12) hole depth
Times；
Three grooves (2-9), the length of groove (2-9) and hole c (2-11) length phase are offered on the inwall of described hole c (2-11)
With three grooves (2-9) are in 120 ° of settings between any two.
4. a kind of attachment means docked with injection head for coiled tubing according to claim 1 it is characterised in that：Institute
State injection head (8) and be provided with leading truck, the bottom of described leading truck is provided with centralizer (13), described leading truck includes propping up of arc
Frame a (6), support a (6) are provided with least two rollers (5), and between each roller (5), the arc direction along support a (6) sets successively
Put, the bottom of support a (6) is provided with centralizer (13), and centralizer (13) is arranged on the porch of injection head (8), support a's (6)
Upper end is passed through support b (7) and is supported.
5. a kind of attachment means docked with injection head for coiled tubing according to claim 4 it is characterised in that：Institute
Stating centralizer (13) is the hollow guide pipe being vertically arranged, and the top of centralizer (13) is rounding mesa-shaped, under centralizer (13)
Portion is cylindric, and the bottom of centralizer (13) is fixed on the porch of described injection head (8).
6. a kind of attachment means docked with injection head for coiled tubing according to claim 5 it is characterised in that：Institute
It is provided with support c (10) at the outlet at bottom stating injection head (8), support c (10) is provided with pulley (11), described steel wire rope (3)
The other end be connected through pulley (11) with described winch.
7. a kind of attachment means docked with injection head for coiled tubing according to claim 1 it is characterised in that：Institute
State winch and include roller (12), the driving end of roller (12) central shaft connects hydraulic motor, and the two ends of roller (12) central shaft are divided
Do not supported by support d.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620561483.7U CN205977138U (en) | 2016-06-12 | 2016-06-12 | Device for connecting be used for coiled tubing and fill head butt joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620561483.7U CN205977138U (en) | 2016-06-12 | 2016-06-12 | Device for connecting be used for coiled tubing and fill head butt joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205977138U true CN205977138U (en) | 2017-02-22 |
Family
ID=58021903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620561483.7U Expired - Fee Related CN205977138U (en) | 2016-06-12 | 2016-06-12 | Device for connecting be used for coiled tubing and fill head butt joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205977138U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108533233A (en) * | 2018-03-09 | 2018-09-14 | 中国石油大学(北京) | Gas hydrates develop deepwater seabed well system |
| CN110485951A (en) * | 2019-10-21 | 2019-11-22 | 山东维亚特机械有限公司 | Digitize coiled tubing injection head |
| WO2021163593A1 (en) * | 2020-02-13 | 2021-08-19 | Halliburton Energy Services, Inc. | Workflow process for connecting multiple coiled tubing strings |
-
2016
- 2016-06-12 CN CN201620561483.7U patent/CN205977138U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108533233A (en) * | 2018-03-09 | 2018-09-14 | 中国石油大学(北京) | Gas hydrates develop deepwater seabed well system |
| CN110485951A (en) * | 2019-10-21 | 2019-11-22 | 山东维亚特机械有限公司 | Digitize coiled tubing injection head |
| CN110485951B (en) * | 2019-10-21 | 2020-03-31 | 山东威盟石油机械有限公司 | Digital continuous oil pipe injection head |
| WO2021163593A1 (en) * | 2020-02-13 | 2021-08-19 | Halliburton Energy Services, Inc. | Workflow process for connecting multiple coiled tubing strings |
| US11299938B2 (en) | 2020-02-13 | 2022-04-12 | Halliburton Energy Services, Inc. | Workflow process for connecting multiple coiled tubing strings |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20170222 Termination date: 20170612 |