CN107975346A - A kind of wellhead equipment handling combination unit - Google Patents
A kind of wellhead equipment handling combination unit Download PDFInfo
- Publication number
- CN107975346A CN107975346A CN201711174005.6A CN201711174005A CN107975346A CN 107975346 A CN107975346 A CN 107975346A CN 201711174005 A CN201711174005 A CN 201711174005A CN 107975346 A CN107975346 A CN 107975346A
- Authority
- CN
- China
- Prior art keywords
- cylinder
- wellhead equipment
- combination unit
- support tube
- central tube
- 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.)
- Granted
Links
- 238000010586 diagram Methods 0.000 description 6
- 238000005553 drilling Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/002—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables specially adapted for underwater drilling
Abstract
The invention discloses a kind of wellhead equipment handling combination unit, including the self-locking part to link together and support tube, self-locking part includes body, and body interior is provided with central tube, the latch segment contacted with central tube is additionally provided with body.The configuration of the present invention is simple, it is easy to operate, securely and reliably；Support tube facilitates centered assembling with body, and support tube and central tube positioning are simple, facilitate centering；Handling wellhead equipment it is efficient, speed is fast；Wear small, service life length.
Description
Technical field
The invention belongs to petroleum drilling and mining equipment technology field, is related to a kind of wellhead equipment handling combination unit.
Background technology
Current marine drilling data shows that common installation ocean wellhead equipment is to combine support tube running tool and well
Jaws equipment hoist tool, decentralization, installation wellhead equipment.First, support tube is sent into wellhead equipment by the running tool of support tube, will
After support tube seat is placed on the shoulder in wellhead equipment, support tube running tool is recycled；Then, it is wellhead equipment hoist tool is vertical
Seat is put into support tube.Finally, the central tube of rotary portal equipment hoist tool, completion latch segment is engaged with wellhead equipment, real
Now lock, then by wellhead equipment handling designated position.Such a operating type has the following disadvantages：First, replacing support tube is sent into work
Tool, wellhead equipment hoist tool cause operating efficiency low；Second, when central tube is subject to rotating force, wellhead equipment Rigger
Tool shakes, and stability is poor, injures operating personnel；Third, during wellhead equipment hoist tool direct operation, pivot pipe is made
Into the abrasion of wellhead equipment inner surface, the operations such as follow-up sealing test are influenced.
The content of the invention
The object of the present invention is to provide a kind of wellhead equipment handling combination unit, the efficiency of handling wellhead equipment is improved.
The technical solution adopted in the present invention is, a kind of wellhead equipment handling combination unit, including link together from
Lock section point and support tube, self-locking part include body, and body includes hollow first cylinder to link together and hollow second circle
The central axis of column, the first cylinder and the second cylinder is identical, and the first cylindrical radius is less than the second cylinder, and body interior is provided with
Central tube, the second cylinder are provided with through hole, latch segment are provided with through hole, and latch segment is contacted with central tube, is set on the second cylinder
Positioning pin is equipped with, positioning pin is located above through hole, and body is provided outside the shell being adapted with its shape, shell bottom and support
The connection of cylinder upper end.
The features of the present invention also resides in,
Support tube inner wall is provided with the first internal thread, and support tube upper end sets fluted, shell lower shape and groove type
Shape is adapted, and outer casing inner wall is provided with the second internal thread, and the second internal thread and the first internal thread form complete and continuous screw thread,
The junction of shell and support tube is provided with disk, is provided with external screw thread on the outside of disk, external screw thread respectively with the first internal thread and
Second internal thread is engaged.
Central tube is connected through a screw thread with body, and central tube is stretched out from the first cylinder, and central tube is located at the second cylinder
Internal part is respectively arranged with annular groove and lower annular groove, is provided among upper annular groove and lower annular groove convex
Platform.
Positioning pin is provided with two altogether.
The locking face of latch segment is two tooth triangular facets, or a tooth triangular facet, or polydonita triangular facet, or serrated face, or trapezoidal
Face, or rectangular surfaces structure.
The contact surface of latch segment and central tube is symmetrical double inclined plane.
The invention has the advantages that a kind of wellhead equipment handling combination unit of the present invention is simple in structure, easy to operate, peace
It is complete reliable；Support tube facilitates centered assembling with body, and support tube and central tube positioning are simple, facilitate centering；Handling well head is set
Standby is efficient, and speed is fast；Wear small, service life length.
Brief description of the drawings
Fig. 1 is a kind of structure diagram of wellhead equipment handling combination unit of the present invention；
Fig. 2 is the structure diagram of support tube in a kind of wellhead equipment handling combination unit of the present invention；
Fig. 3 is a kind of structure diagram of the wellhead equipment handling combination unit of the present invention in different working condition, wherein,
Figure a is a kind of structure diagram of the wellhead equipment handling combination unit of the present invention in position, and figure b is a kind of well of the present invention
Jaws equipment handling combines the unit the structure diagram in locking state, and figure c is a kind of wellhead equipment handling combination dress of the present invention
Put the structure diagram in disengaged condition.
In figure, 1. support tubes, 2. first internal threads, 3. grooves, 4. bodies, 5. first cylinders, 6. second cylinders, 7. centers
Manage, 8. through holes, 9. latch segments, 10. positioning pins, 11. shells, 12. second internal threads, 13. external screw threads, annular groove on 14.,
15. lower annular groove, 16. boss
Embodiment
The present invention is described in detail with reference to the accompanying drawings and detailed description.
A kind of wellhead equipment handling combination unit of the present invention, as shown in Figure 1, self-locking part and branch including linking together
Cylinder 1 is supportted, self-locking part includes body 4, and body 4 includes hollow first cylinder 5 to link together and hollow second cylinder 6, the
One cylinder 5 is identical with the central axis of the second cylinder 6, and 5 radius of the first cylinder is less than the second cylinder 6, and body 4 is internally provided with
Central tube 7, the second cylinder 6 are provided with through hole 8, latch segment 9 are provided with through hole 8, the locking face of latch segment 9 is two tooth triangles
Face, or a tooth triangular facet, or polydonita triangular facet, or serrated face, or trapezoidal faces, or rectangular surfaces structure, latch segment 9 and central tube 7
Contact, latch segment 9 and the contact surface of central tube 7 are symmetrical double inclined planes, and two positioning pins 10 are provided with the second cylinder 6, fixed
Position pin 10 is located at the top of through hole 8, and body 4 is provided outside the shell 11 being adapted with its shape, 11 lower shape of shell and groove 3
Shape is engaged, and 11 bottom of shell is connected with 1 upper end of support tube, and 1 inner wall of support tube is provided with the first internal thread 2, on support tube 1
End sets fluted 3, and 11 lower shape of shell is adapted with 3 shape of groove, and 11 inner wall of shell is provided with the second internal thread 12, the
Two internal threads 12 and the first internal thread 2 form complete and continuous screw thread, and shell 11 and the junction of support tube 1 are provided with circle
Disk, disk outside are provided with external screw thread 13, and external screw thread 13 is engaged with the first internal thread 2 and the second internal thread 12 respectively..
Central tube 7 is connected through a screw thread with body 4, and central tube 7 is stretched out from the first cylinder 5, and central tube 7 is located at second
Part inside cylinder 6 is respectively arranged with annular groove 14 and lower annular groove 15, upper annular groove 14 and lower annular groove
Boss 16 is provided among 15.
A kind of wellhead equipment handling combination unit of the present invention, the course of work are specific as follows：
First, self-locking part and support tube are connected
According to the corresponding groove 3 of support tube 1, shell 11 is sat and is put on support tube 1, ensure spiral shell in the first of support tube 1
Line 2 and the second internal thread 12 of shell 11 form complete and continuous screw thread；Meanwhile central tube 7 is sent from the bottom of shell 11
Enter support tube 1, the external screw thread 13 of disk is screwed respectively with the first internal thread 2 and the second internal thread 12, until at a fully engaged；Lock
Tight block 9 is in contact with the upper annular groove 14 of central tube 7, and at this time, central tube 7 is connected through a screw thread with body 4.
2nd, a kind of wellhead equipment handling combination unit of the connection present invention and wellhead equipment
As schemed in Fig. 3 shown in a, jointed rod is combined the unit with a kind of wellhead equipment handling of the present invention, is vertically placed on well
In jaws equipment, support tube 1 is set to sit the shoulder being put into wellhead equipment, positioning pin 10 is fallen into the anti-rotation groove of wellhead equipment, is ensured
Latch segment 9 is corresponding with the top locking slot of wellhead equipment, completes the positioning of hoist tool.
As schemed in Fig. 3 shown in b, under the action of rotary force, central tube 7 is connected with body 4, and central tube 7 and body 4 are along straight
Line moves straight up, and at this time, disk external screw thread 13 is disengaged with the second internal thread 12 and the first internal thread 2 respectively, in this process
In, latch segment, 9 are subject to the extruding of boss 16, leave annular groove 14, are moved along through hole 8 to the outside of body 4, until locking
To the top locking slot of wellhead equipment, in this way, completing connection hoist tool and wellhead equipment.
3rd, a kind of wellhead equipment handling combination unit of the unlock present invention and wellhead equipment
As schemed in Fig. 3 shown in c, after wellhead equipment is hoisted to designated position, continue pivot pipe 7, central tube 7 is along straight
Line moves upwards, and the external screw thread 13 of disk is disengaged with the first internal thread 2 and the second internal thread 12, and disk enters shell 11；Upwards
Lift drilling rod, latch segment 9 leaves top locking slot, retracts along through hole 8, until latch segment 9 is in contact with lower annular groove 15, i.e.,
Unlock.
4th, support tube is recycled
After completing operations specific, in vertical direction, according to the groove 3 of support tube 1, shell 11 is sat and is put on support tube 1,
Ensure that the second internal thread 12 of the first internal thread 2 and shell 11 of support tube 1 forms complete and continuous screw thread；When positioning pin 10
After falling into the anti-rotation groove of wellhead equipment, the positioning of handling combination tool is completed；Central tube 7 is reversely rotated, central tube 7 will be along straight line
Move straight down, the latch segment 9 being in contact with lower annular groove 15, be subject to the extruding of boss 16, latch segment 9 along through hole 8 to
The outside of body 4 is mobile, the top locking slot until being locked at wellhead equipment.Continue pivot pipe 7, until the external screw thread of disk
13 screw with the first internal thread 2 and the second internal thread 12 respectively, and at this time, central tube 7 is disengaged with body 4；Latch segment 9 disengages boss
16, into upper annular groove 14；The wellhead equipment handling combination unit of the present invention is above carried, latch segment 9 is pushed up be subject to wellhead equipment
The effect of portion's locking slot, will retract along through hole 8, until latch segment 9 completely attaches to the upper annular groove 14 of central tube 7；At this time, circle
The external screw thread 13 of disk is meshed with the first internal thread 2 and the second internal thread 12 respectively.Drilling rod is above carried, that is, recycles the well head of the present invention
Equipment handling combines the unit.
By the above-mentioned means, a kind of wellhead equipment handling combination unit of the present invention is simple in structure, and it is easy to operate, safely may be used
Lean on；Support tube facilitates centered assembling with body, and support tube and central tube positioning are simple, facilitate centering；Handling wellhead equipment
Efficient, speed is fast；Wear small, service life length.
Claims (6)
1. a kind of wellhead equipment handling combination unit, it is characterised in that including the self-locking part to link together and support tube
(1), the self-locking part includes body (4), and the body (4) includes hollow first cylinder (5) to link together and hollow
Second cylinder (6), first cylinder (5) is identical with the central axis of the second cylinder (6), and first cylinder (5) radius
Less than the second cylinder (6), the body (4) is internally provided with central tube (7), and second cylinder (6) is provided with through hole (8),
Latch segment (9) is provided with the through hole (8), the latch segment (9) contacts with central tube (7), is set on second cylinder (6)
Positioning pin (10) is equipped with, the positioning pin (10) is located above through hole (8), and the body (4) is provided outside mutually to be fitted with its shape
The shell (11) answered, shell (11) bottom are connected with support tube (1) upper end.
2. a kind of wellhead equipment handling combination unit according to claim 1, it is characterised in that in the support tube (1)
Wall is provided with the first internal thread (2), and support tube (1) upper end sets fluted (3), shell (11) lower shape with it is recessed
Groove (3) shape is adapted, and shell (11) inner wall is provided with the second internal thread (12), second internal thread (12) and first
Internal thread (2) forms complete and continuous screw thread, and the shell (11) and the junction of support tube (1) are provided with disk, described
Be provided with external screw thread (13) on the outside of disk, the external screw thread (13) respectively with the first internal thread (2) and the second internal thread (12) phase
Coordinate.
A kind of 3. wellhead equipment handling combination unit according to claim 1, it is characterised in that the central tube (7) with
Body (4) is connected through a screw thread, and the central tube (7) is stretched out from the first cylinder (5), and the central tube (7) is located at second
The internal part of cylinder (6) is respectively arranged with annular groove (14) and lower annular groove (15), the upper annular groove (14)
Lower annular groove (15) centre is provided with boss (16).
4. a kind of wellhead equipment handling combination unit according to claim 1, it is characterised in that the positioning pin (10) is altogether
It is provided with two.
5. a kind of wellhead equipment handling combination unit according to claim 1, it is characterised in that the latch segment (9)
Locking face is two tooth triangular facets, or a tooth triangular facet, or polydonita triangular facet, or serrated face, or trapezoidal faces, or rectangular surfaces structure.
A kind of 6. wellhead equipment handling combination unit according to claim 1, it is characterised in that the latch segment (9) with
The contact surface of central tube (7) is symmetrical double inclined plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711174005.6A CN107975346B (en) | 2017-11-22 | 2017-11-22 | A kind of wellhead equipment handling combination unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711174005.6A CN107975346B (en) | 2017-11-22 | 2017-11-22 | A kind of wellhead equipment handling combination unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107975346A true CN107975346A (en) | 2018-05-01 |
| CN107975346B CN107975346B (en) | 2019-07-12 |
Family
ID=62010956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711174005.6A Expired - Fee Related CN107975346B (en) | 2017-11-22 | 2017-11-22 | A kind of wellhead equipment handling combination unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107975346B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1023521A1 (en) * | 1998-07-02 | 2000-08-02 | Coflexip | Device for fitting an oil pipe stiffening sleeve on a support structure |
| CN201221321Y (en) * | 2008-07-10 | 2009-04-15 | 宝鸡石油机械有限责任公司 | Portable safe type well head equipment mounting and hanging tools |
| CN201448072U (en) * | 2009-05-31 | 2010-05-05 | 宝鸡石油机械有限责任公司 | Multifunctional hoisting tool for wellhead equipment |
| CN202745737U (en) * | 2012-11-05 | 2013-02-20 | 中国石油化工股份有限公司 | Pipe column suspension device for mechanical well repair operation |
| WO2013012992A3 (en) * | 2011-07-20 | 2013-03-07 | Cameron International Corporation | Adjustable mudline tubing hanger suspension system |
| CN106639905A (en) * | 2017-01-24 | 2017-05-10 | 中国石油天然气集团公司 | Abnormal-diameter continuous oil pipe butt joint device and mounting method of butt joint device as well as abnormal-diameter oil pipe mounting method |
-
2017
- 2017-11-22 CN CN201711174005.6A patent/CN107975346B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1023521A1 (en) * | 1998-07-02 | 2000-08-02 | Coflexip | Device for fitting an oil pipe stiffening sleeve on a support structure |
| CN201221321Y (en) * | 2008-07-10 | 2009-04-15 | 宝鸡石油机械有限责任公司 | Portable safe type well head equipment mounting and hanging tools |
| CN201448072U (en) * | 2009-05-31 | 2010-05-05 | 宝鸡石油机械有限责任公司 | Multifunctional hoisting tool for wellhead equipment |
| WO2013012992A3 (en) * | 2011-07-20 | 2013-03-07 | Cameron International Corporation | Adjustable mudline tubing hanger suspension system |
| CN202745737U (en) * | 2012-11-05 | 2013-02-20 | 中国石油化工股份有限公司 | Pipe column suspension device for mechanical well repair operation |
| CN106639905A (en) * | 2017-01-24 | 2017-05-10 | 中国石油天然气集团公司 | Abnormal-diameter continuous oil pipe butt joint device and mounting method of butt joint device as well as abnormal-diameter oil pipe mounting method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107975346B (en) | 2019-07-12 |
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| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190712 |
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| CF01 | Termination of patent right due to non-payment of annual fee |