CN106246119B - Closed spinner slips - Google Patents
Closed spinner slips Download PDFInfo
- Publication number
- CN106246119B CN106246119B CN201610836912.1A CN201610836912A CN106246119B CN 106246119 B CN106246119 B CN 106246119B CN 201610836912 A CN201610836912 A CN 201610836912A CN 106246119 B CN106246119 B CN 106246119B
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- CN
- China
- Prior art keywords
- slips
- slip
- drive
- plane nut
- rotation
- 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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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
- E21B19/16—Connecting or disconnecting pipe couplings or joints
Abstract
Closed spinner slips is related to petroleum technology field, including housing（1）And drive device（2）, housing（1）Interior to be provided with rotation slip system, rotation slip system includes tripping sleeve（4）, tripping sleeve（4）The drive cavity set provided with ring barrel（5）With the sliding channel being radially arranged（6）, tripping sleeve（4）In drive cavity（5）Place is provided with plane nut（7）, plane nut（7）It is rotatably disposed in drive cavity（5）It is interior, plane nut（7）One end passes through flat thread and slip segment（8）Connection, the other end pass through travelling gear and drive device（2）Connection, to drive slip segment（8）Move radially, tripping sleeve（4）Pass through travelling gear and drive device（2）Connection, to drive its rotation.It has the advantages of rational in infrastructure, safe and reliable.
Description
Technical field
The present invention relates to petroleum technology field, and in particular to a kind of applicable under balance pressure drilling, gas well drilling, well workover with pressure are made
The specific purpose tool of industry.
Background technology
Modern petroleum, the drilling well development technique of conventional gas are constantly progressive, especially shale oil, shale gas class in recent years
Fragile stratum obtains large-scale development, therefore the New well drilling technology with pressure such as under balance pressure drilling, underbalanced drilling is promoted rapidly,
Continuous operating mode with pressure is kept in this drilling tool, higher requirement is proposed to drilling equipment.
Several years ago large-scale development and the routine and Unconventional gas well newly gone into operation, are initially entered within nearest one or two years
First maintenance cycle, because domestic gas well is not equipped with down hole sleeve valve typically, whole pit shaft is filled with the overall process of operation
High pressure, well inner high voltage gas is sprayed during to avoid well workover, therefore high-density slurry kill-job-conventional well workover must be selected in well workover
Operation, or workover treatment with pressure.
The high-density slurry that kill-job operation uses can push down bottom gases at high pressure in shaft bottom, but mud can penetrate into stratum envelope
Microfissure is closed, to the natural gas well, especially shale gas well capacity infringement is especially big, and high-density slurry kill-job-conventional well workover is made
After industry, the common natural gas well can lose production capacity more than 20%, and shale gas well can then lose production capacity more than 50%, or even thoroughly be crushed to death
It is inevitable choice that Operating Pressure is selected when completely losing gas deliverability, therefore repairing, and wouldn't possess workover treatment condition with pressure
It is to be repaired to be typically chosen stopping production shut-in well.
During workover treatment with pressure, downhole tool is world-class problem with the interior blocking of lower tubular column string, without suitable solution party
Method.
Jilin Oil Field construction teams create reversible closing and drag for lance voltage regulator tube technology, using/equipment the high pressure that released in advance on well
The method that lance closing tubing string upper end is dragged in inner chamber shackle+reversible closing, it can realize that oil well and water injection well rise and block pipe without interior
Post, but this technology is only applicable to mesolow well, and operating process is extremely complicated（Every goes out an oil pipe or a downhole tool,
Need strictly to be operated sequentially 38 steps）, high are required to operating personnel, there may be serious thing for each operational error
Therefore.And gas well tubing string uses end face seal form, it is impossible to do and released in advance on well, and gas well pressure is general all higher therefore this
Technology can not use in gas well.
The content of the invention
The technical problems to be solved by the invention are：A kind of closed spinner slips is provided, can be combined installed in drilling well
Or in Operating Pressure equipment, the specified joint of tubing string string can be carried out in the high pressure lumen of equipment, shackle operation, be mountable to
In drilling well control preventer group, in the high pressure section of the high pressure section of drilling equipment by force with pressure or workover operation device with pressure.
The present invention technical solution be：It includes housing and drive device, and rotation slips dress is provided with the housing
Put, rotation slip system includes tripping sleeve, and the slip that tripping sleeve is provided with the ring barrel drive cavity set and is radially arranged is led to
Road, tripping sleeve are provided with plane nut at drive cavity, and plane nut one end is provided with flat thread, and the other end is provided with matches somebody with somebody with gear
The teeth of conjunction, sliding channel is interior to be provided with slip segment, and the side wall of slip segment is provided with the teeth coordinated with flat thread, plane nut
It is rotatably disposed in the drive cavity of fixes sleeve and tripping sleeve, plane nut one end is connected by flat thread and slip segment
Connect, the other end is connected by travelling gear with drive device, and to drive slip segment to move radially, tripping sleeve passes through travelling gear
It is connected with drive device, to drive its rotation, tripping sleeve and its plane nut and the travelling gear with being each connected using cunning
Dynamic connection, so that tripping sleeve can move up and down in housing.
The solution have the advantages that：It has the advantages of rational in infrastructure, safe and reliable, can combine installed in drilling well or
In Operating Pressure equipment, the specified joint of tubing string string can be carried out in the high pressure lumen of equipment, shackle operation, made without interior blocking
Gas well tubing string Operating Pressure is possibly realized, and can greatly simplify under balance pressure drilling, underbalanced drilling, oil water well working with pressure（Pipe
Post is without interior stopping state）Operating process, improve security.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Embodiment
As shown in figure 1, it includes being used for the housing 1 and drive device 2 for being fixed on well head, rotation is provided with the housing 1
Slip system, rotation slip system include tripping sleeve 4, and tripping sleeve 4 is provided with the drive cavity 5 of ring barrel setting and is radially arranged
Sliding channel 6, tripping sleeve 4 is provided with plane nut 7 at drive cavity 5, and the one end of plane nut 7 is provided with flat thread, another
End is provided with the teeth coordinated with gear, and slip segment 8 is provided with sliding channel 6, and the side wall of slip segment 8 is provided with matches somebody with somebody with flat thread
The teeth of conjunction, plane nut 7 are rotatably disposed in the drive cavity 5 of fixes sleeve 3 and tripping sleeve 4, and the one end of plane nut 7 leads to
Cross flat thread to be connected with slip segment 8, the other end is connected by travelling gear with drive device 2, to drive slip segment 8 radially to move
Dynamic, tripping sleeve 4 is connected by travelling gear with drive device 2, to drive its rotation, tripping sleeve 4 and its He of plane nut 7
With the travelling gear being each connected using being slidably connected, so that tripping sleeve 4 can move up and down in housing 1.Drive cavity 5 also may be used
To be surrounded by tripping sleeve 4 and housing 1.Tripping sleeve 4 is coaxially disposed with plane nut 7.
The outer wall of the tripping sleeve 4 is provided with piston 9, and the inwall of the housing 1 is provided with the floating coordinated corresponding to piston 9
Control chamber 10, by injecting hydraulic medium to the intracavitary of the both sides of piston 9 tripping sleeve 4 can be driven to slide up and down.
The plane nut 7 of the tripping sleeve 4 is connected by Jie's gear 11 with drive device 2, and Jie's gear 11 is with putting down
Use and be slidably connected between face nut 7.
The outer wall of the tripping sleeve 4 section thereon is cased with gear ring 12, using axially sliding between the gear ring 12 and tripping sleeve 4
Dynamic connection, tripping sleeve 4 are connected by the gear ring 12 with drive device 2.
It is provided with the housing 1 in the lower section of rotation slip system and is used to clamping and fixing the safety slip device of tubing string.
Safety slip device can use the slip system of existing structure.
The safety slip device includes the fixes sleeve 3 fixed with the phase of housing 1, and fixes sleeve 3 is set provided with ring barrel
Drive cavity 5 and the sliding channel 6 that is radially arranged, is provided with plane nut 7 in drive cavity 5, the one end of plane nut 7 is provided with plane spiral shell
Line, the other end are provided with the teeth coordinated with gear, and slip segment 8 is provided with sliding channel 6, and the side wall of slip segment 8 is provided with putting down
The teeth that face screw thread coordinates, plane nut 7 are rotatably disposed in the drive cavity 5 of fixes sleeve 3, and the one end of plane nut 7 passes through
Flat thread is connected with slip segment 8, and the other end is connected by travelling gear with drive device 2, to drive slip segment 8 radially to move
It is dynamic.
The drive device 2 is hydraulic motor.
The drive device 2 being connected with the plane nut 7 is hydraulic motor, motor or manual driving device.
The function of closed spinner slips is：In the inner chamber of high-tension apparatus, the specified joint of tubing string string is carried out, shackle
Operation, or direct drive tubing string rotation.Above, during shackle operation, safety slip can specify joint and with down tube in clamping tubing string string
Post ensures it without axial displacement and spinning movement, while can carry tubing string string weight；The tight tubing string string of rotation slips cocker, which is specified, to be connect
Head above tubing string simultaneously drives its rotation, can be together axially moved with tubing string in rotary course：Upper button follow-up, shackle are moved back
Allow, and axial movement can select free floating, or apply hydraulic pressure both of which in any direction.
Closed spinner slips selects concentric chuck formula clamping principle, and rotation driving is direct drive mode.Such a clamping
Principle has strong latching characteristics, after clamping is completed, does not have and releases risk；And this gripping orientation is independent of any outer
Try hard to keep and hold, and though be clamped tubing string bear it is upward, downwards or rotary torsion, without releasing possibility naturally；Except non-operator uses
Hydraulic pressure or manual mode are unclamped, and otherwise tubing string will always be in gripping orientation.This characteristic using the security of process to being possessed
Very big, active influence.
The clamping of safety slip system/release action is by fluid motor-driven（Hydraulic motor can also not had to, and selected low
Speed motor drives, or direct tool drives by hand）, when clamping acts, the main shaft of motor directly drives safety slip actively
Bevel gear rotates, and safety slip drive bevel gear drives safety slip dynamic bevel gear and safety slip plane nut（Both fasten
It is connected together）Rotation, the screw thread of safety slip plane nut and the screw thread of safety slip sliding block（Teeth）Engagement, safety slip are put down
Safety slip sliding block is promoted in the groove of safety slip body during the nut rotation of face（Sliding channel）To central motion, until safety card
The safety slip dental lamina contact of watt slip front installation, which is clamped tubing string and bites certain depth, completes clamping.
In safety slip system, safety slip plane nut and safety slip dynamic bevel gear（Both, which fasten, is connected together）
Both this can have relative rotary motion with other components in floating part, and only axial location is relatively fixed.And safety card
Watt plane nut bottom has bearing, outer diameter face to have needle roller group and safety slip lower flange inner chamber step to support, relative in system
Operating can ensure that smooth.
Safety slip dental lamina uses forge piece of step type structure, with clamping pipe joint and below tubing string simultaneously, makes not loose between the two
Button, it is ensured that one is scheduled on square thread release on pipe joint in shackle, the operation after being easy to, avoids pipe column falling well accident
May.
Safety slip system according to specification and can need to select safety slip sliding block, safety slip dental lamina to combine；It can select
The input port for setting 1-8 safety slip driving tooth gland, safety slip drive bevel gear to form is selected, each port can
Selection is equipped with hydraulic motor, slowspeed machine, or is driven using only hand-operated tools.
The functional unit of rotation slips is broadly divided into clamping/release system, rotary drive system and rotation slips and floats and control
System three parts processed, the clamping to work string epimere-release action, rotation driving can be completed, in clamping and work can be driven
Carry out spiral follow-up or spiral yielding action with tubing string while making tubing string rotation, can be under rotation slips clamping or releasing orientation
Select free floating or direction applies hydraulic pressure both of which over/under.
Rotation slips clamping/release system is installed on the bottom of upper casing intracoelomic cavity, mainly by rotation slips driving gear shaft,
Rotate slips driving gear, rotation slips transmission idle wheel, rotation slips driven gear, rotation slips plane nut, rotation slips
Body, rotation slips sliding block, rotation slip dog, and support/sealing/connect the bearing, seal, bolt/pin of these parts
Formed Deng connector.
Clamping/the release for rotating slips clamping/release system is acted by fluid motor-driven（Hydraulic pressure horse can also not had to
Reach, and select slowspeed machine to drive, or direct tool drives by hand）, when clamping acts, the main shaft of motor directly drives rotation
Turn slips driving gear shaft/gear rotation, be driven idle wheel driving rotation slips driven gear by rotating slips, rotate slips quilt
Moving gear and rotation slips plane nut（Both, which fasten, is connected together）Common rotation, rotate screw thread and the rotation of slips plane nut
The screw thread engagement of slips sliding block, promote during rotation slips plane nut rotation rotation slips sliding block in the groove of rotation slips body to
Central motion, until the rotation slip dog contact of rotation slips slip front installation is clamped tubing string and to bite certain depth complete
Into clamping.
Rotation slips clamping/release system according to specification and can need to select 2-8 set rotation slips sliding block, rotation slip insert
Plate combines；It can select to set 1-8 to cover idle wheel and rotate the input port that slips driving gear/axle is formed, each port
It may be selected to be equipped with hydraulic motor, slowspeed machine, or driven using only hand-operated tools.
Rotate slips rotary drive system and rotation slips rotation driving gear shaft, rotation slips rotation are driven by hydraulic motor
Driving gear rotates, and driving rotation slips rotation driven gear, the upper and lower of rotation slips rotation driven gear has bearing branch
Support and position gear, the internal tooth of rotation slips rotation driven gear engages with rotating the external tooth of slips floating tooth set, revotating card
Watt floating tooth set is fastened with rotation slips rotary drive cylinder and connect, and rotation slips rotary drive cylinder bottom is fastened with rotation slips body to be connect and band
Dynamic rotation slips body rotates together with.
Floating part includes a part for rotary drive system and clamping/release drive system.Rotation slips floating tooth set,
Rotation slips rotary drive cylinder, rotation slips body, floating control piston body are mutually fastened and connect, and the rigidity for forming a unified movement is whole
Body structure.The major part for belonging to rotation slips floating type controlled system only has floating control piston body one, and outer feed flow force feed is led to
The operation to floating control piston body is crossed to control whole floating part.
Also comprising rotation slips driven gear and rotation slips plane nut in floating part（Both, which fasten, is connected together）, this
Both can have relative rotary motion with other components in floating part, and only axial location is relatively fixed.And rotation slips
Put down by bearing and rotation slips driven gear, rotation slips plane nut upper table surface bearing, rotation slips floating tooth set bottom
There is needle roller group to support between face nut aperture surface and rotation slips rotary drive cylinder, the relative operating in system can ensure that smooth.
In floating system and extraneous connecting portion, the internal tooth and rotation slips floating tooth of rotation slips rotation driven gear
The outer tooth engaging portion of set allows to be axially moved；Rotating slips driven gear and rotation slips transmission idle wheel site of engagement allows axially
Motion, rotation driving or clamping/release action thus can be completed while floating.
Claims (8)
1. closed spinner slips, including housing（1）And drive device（2）, it is characterised in that the housing（1）It is interior to be provided with rotation
Turn slip system, rotation slip system includes tripping sleeve（4）, tripping sleeve（4）The drive cavity set provided with ring barrel（5）With
The sliding channel being radially arranged（6）, tripping sleeve（4）In drive cavity（5）Place is provided with plane nut（7）, plane nut（7）One end
Provided with flat thread, the other end is provided with the teeth coordinated with gear, sliding channel（6）It is interior to be provided with slip segment（8）, slip segment（8）
Side wall be provided with flat thread coordinate teeth, plane nut（7）It is rotatably disposed in fixes sleeve（3）And tripping sleeve
（4）Drive cavity（5）It is interior, plane nut（7）One end passes through flat thread and slip segment（8）Connection, the other end pass through driving cog
Wheel and drive device（2）Connection, to drive slip segment（8）Move radially, tripping sleeve（4）Pass through travelling gear and drive device
（2）Connection, to drive its rotation, tripping sleeve（4）And its plane nut（7）With the travelling gear with being each connected using slip
Connection, so that tripping sleeve（4）Can be in housing（1）Inside move up and down.
2. closed spinner slips as claimed in claim 1, it is characterised in that the tripping sleeve（4）Outer wall be provided with live
Plug（9）, the housing（1）Inwall be provided with and piston（9）The floating control chamber accordingly coordinated（10）, by piston（9）Two
The intracavitary injection hydraulic medium of side can drive tripping sleeve（4）Slide up and down.
3. closed spinner slips as claimed in claim 1, it is characterised in that the tripping sleeve（4）Plane nut（7）
Pass through Jie's gear（11）With drive device（2）Connection, Jie's gear（11）With plane nut（7）Between using being slidably connected.
4. the closed spinner slips as described in claim 1,2 or 3, it is characterised in that the tripping sleeve（4）Section thereon
Outer wall be cased with gear ring（12）, the gear ring（12）With tripping sleeve（4）Between using being in axial sliding connection, tripping sleeve（4）Pass through
The gear ring（12）With drive device（2）Connection.
5. closed spinner slips as claimed in claim 1, it is characterised in that the housing（1）It is interior in rotation slip system
Lower section be provided with and be used to clamp and the safety slip device of fixed tubing string.
6. closed spinner slips as claimed in claim 5, it is characterised in that the safety slip device includes and housing
（1）Mutually fixed fixes sleeve（3）, fixes sleeve（3）The drive cavity set provided with ring barrel（5）Lead to the slip being radially arranged
Road（6）, drive cavity（5）It is interior to be provided with plane nut（7）, plane nut（7）One end is provided with flat thread, and the other end is provided with and gear
The teeth of cooperation, sliding channel（6）It is interior to be provided with slip segment（8）, slip segment（8）Side wall be provided with flat thread coordinate tooth
Tooth, plane nut（7）It is rotatably disposed in fixes sleeve（3）Drive cavity（5）It is interior, plane nut（7）One end passes through plane spiral shell
Line and slip segment（8）Connection, the other end pass through travelling gear and drive device（2）Connection, to drive slip segment（8）Radially move
It is dynamic.
7. closed spinner slips as claimed in claim 1, it is characterised in that the drive device（2）For hydraulic motor.
8. the closed spinner slips as described in claim 1,3 or 6, it is characterised in that with the plane nut（7）Connection
Drive device（2）For hydraulic motor, motor or manual driving device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610836912.1A CN106246119B (en) | 2016-09-21 | 2016-09-21 | Closed spinner slips |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610836912.1A CN106246119B (en) | 2016-09-21 | 2016-09-21 | Closed spinner slips |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106246119A CN106246119A (en) | 2016-12-21 |
| CN106246119B true CN106246119B (en) | 2018-04-06 |
Family
ID=57599012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610836912.1A Active CN106246119B (en) | 2016-09-21 | 2016-09-21 | Closed spinner slips |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106246119B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB377344A (en) * | 1930-05-28 | 1932-07-28 | Nat Supply Corp | Improvements in rotary well-drilling machines |
| CN101004129A (en) * | 2007-01-17 | 2007-07-25 | 杨颖辉 | Bidirectional hydraulic pressure pipe slips |
| CN200964820Y (en) * | 2007-02-09 | 2007-10-24 | 杨颖辉 | Pressure balanced type static sealing pressurized workover device |
| CN200971763Y (en) * | 2007-02-09 | 2007-11-07 | 杨颖辉 | High pressure closed telescopic joint for snubbing service |
| CN101709627A (en) * | 2009-12-26 | 2010-05-19 | 杨颖辉 | Rotating hydraulic clamp and rotating bidirectional hydraulic clamp applying same |
| CN202832283U (en) * | 2012-10-22 | 2013-03-27 | 邢台市中煤矿山器材有限公司 | Drilling machine slewing clamping device |
| CN204532152U (en) * | 2015-01-23 | 2015-08-05 | 魏文科 | One is surged the built-in slips of pressure-bearing |
| CN105649556A (en) * | 2016-03-21 | 2016-06-08 | 河南龙腾新型钻具制造有限公司 | Drill stem loading and unloading device for drilling rig in non-stop state |
| CN206053875U (en) * | 2016-09-21 | 2017-03-29 | 杨颖辉 | Closed spinner slips |
-
2016
- 2016-09-21 CN CN201610836912.1A patent/CN106246119B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB377344A (en) * | 1930-05-28 | 1932-07-28 | Nat Supply Corp | Improvements in rotary well-drilling machines |
| CN101004129A (en) * | 2007-01-17 | 2007-07-25 | 杨颖辉 | Bidirectional hydraulic pressure pipe slips |
| CN200964820Y (en) * | 2007-02-09 | 2007-10-24 | 杨颖辉 | Pressure balanced type static sealing pressurized workover device |
| CN200971763Y (en) * | 2007-02-09 | 2007-11-07 | 杨颖辉 | High pressure closed telescopic joint for snubbing service |
| CN101709627A (en) * | 2009-12-26 | 2010-05-19 | 杨颖辉 | Rotating hydraulic clamp and rotating bidirectional hydraulic clamp applying same |
| CN202832283U (en) * | 2012-10-22 | 2013-03-27 | 邢台市中煤矿山器材有限公司 | Drilling machine slewing clamping device |
| CN204532152U (en) * | 2015-01-23 | 2015-08-05 | 魏文科 | One is surged the built-in slips of pressure-bearing |
| CN105649556A (en) * | 2016-03-21 | 2016-06-08 | 河南龙腾新型钻具制造有限公司 | Drill stem loading and unloading device for drilling rig in non-stop state |
| CN206053875U (en) * | 2016-09-21 | 2017-03-29 | 杨颖辉 | Closed spinner slips |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106246119A (en) | 2016-12-21 |
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