CN107587851A - A kind of mechanization workover treatment power elevator and elevator conveyer method - Google Patents
A kind of mechanization workover treatment power elevator and elevator conveyer method Download PDFInfo
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- CN107587851A CN107587851A CN201610527501.4A CN201610527501A CN107587851A CN 107587851 A CN107587851 A CN 107587851A CN 201610527501 A CN201610527501 A CN 201610527501A CN 107587851 A CN107587851 A CN 107587851A
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- elevator
- transhipment
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Abstract
The invention discloses a kind of mechanization workover treatment power elevator and elevator conveyer method, wherein power elevator, including power elevator bearing and the suspention slips being arranged on power elevator bearing, transporter, hanger, the suspention slips is arranged on lower end outside before power elevator bearing, the hanger is arranged on power elevator support outer face and sets transporter positioned at the surface of suspention slips, the top of the suspention slips.The transporter includes transhipment slips, transhipment slip hydraulic cylinder, hydraulic motor, transhipment rack.Mounting board oil pipe body, realization do not damage oil pipe and complete lower oil tube construction the present invention in operation process, are adapted to special oil pipe operation；The elevator conveyer method used simultaneously realizes that elevator is transported during may be implemented in lower oil tube, be effectively improved mechanization workover treatment efficiency.
Description
Technical field
The present invention relates to the workover rig of petroleum industry underground work, specifically a kind of mechanization workover treatment power is hung
Card and elevator conveyer method.
Background technology
Traditional workover treatment is to complete oil pipes with two elevator rotations to remove, it is necessary to artificial lift to move elevator, dislodging suspension ring,
Labor strength is big, low construction efficiency.Current mechanization workover treatment mainly has following two modes：One kind is logical
Cross power elevator and block oil pipe body, expose tubing coupling, realize not lift to move elevator lower oil tube, power slip pair be present
The problem of this bulk damage of oil pipe is big, another way are the lower oil tubes by way of hanging upside down card automatically, and this mode is not damaged
Hinder oil pipe, but exist and hang upside down the card time and grow, the problem of low construction efficiency.
By retrieval, find to realize the technology for alternately hanging tubing string purpose, or blank in elevator.
The content of the invention
It is an object of the invention to provide a kind of mechanization workover treatment power elevator and elevator conveyer method, in operation process
Not mounting board oil pipe body, realization do not damage oil pipe and complete lower oil tube construction, are adapted to special oil pipe operation；Use simultaneously
Elevator conveyer method realizes that elevator is transported during may be implemented in lower oil tube, be effectively improved mechanization workover treatment
Efficiency.
In order to reach above-mentioned purpose, present invention employs following technical scheme, a kind of power elevator, including power elevator branch
Seat and suspention slips, transporter, the hanger being arranged on power elevator bearing, the suspention slips are arranged on power
Lower end inside before elevator bearing, the hanger are arranged on power elevator support outer face and are located at the surface of suspention slips,
The top of the suspention slips sets transporter.
The transporter includes transhipment slips, transhipment slip hydraulic cylinder, hydraulic motor, transhipment rack, the transhipment card
Watt positioned at suspention slips surface, it is described transhipment slip hydraulic cylinder be connected to transhipment slips rear end control transhipment slips beat
Open and close, the transhipment rack is meshed with the gear in hydraulic motor, the hydraulic motor and transhipment slip hydraulic cylinder
Link into an integrated entity, the transhipment slips and transhipment slip hydraulic cylinder follow hydraulic motor to be moved forward and backward on transhipment rack together.
Run on before and after the transhipment slips in guiding mechanism.
Balance weight is provided with the power elevator bearing, ensures that power elevator bearing is put down by center line or so gravity of hanger
Weighing apparatus.
In order to reach above-mentioned another object, present invention employs following technical scheme, a kind of power elevator conveyer method, bag
Include following steps：
When above carrying oil pipe, first tubing coupling is sitting on first interior elevator, first interior elevator is in pithead position,
Second interior elevator is in the position away from well head, and first interior elevator valve is closed below box cupling, transfers power elevator
And the suspention step that suspention slips blocks first interior elevator is closed, simultaneously close off transhipment slips and block transhipment step, dock
Carry to during next tubing coupling to carrying power elevator on hanger by hook after blocking, second interior elevator is pushed into well
Mouth position, closes second interior elevator valve, tubing coupling is sitting on second interior elevator, oil pipe is dismantled with hydraulic tongs
Button, oil pipe is pushed on oil pipe jack up unit, is opened the valve on first interior elevator, is made oil pipe and first interior elevator
Depart from, the lower drain line of oil pipe jack up unit recovery, hook decentralization power elevator, following act is completed while decentralization：
To open suspention slips and decontrol first interior elevator, open hydraulic motor, hydraulic motor internal gear moves on transhipment rack,
Transhipment slips moves with first interior elevator on transhipment guide groove, first interior elevator is pushed into remote inside power elevator
The position of pithead position, complete more than act after, the location of power elevator is transferred to second interior elevator of well head, is closed
Close suspention slips to dock with second interior elevator, open transhipment slips, first interior elevator departs from power elevator, in well
Mouthful remote location, power elevator is carried on hook, following act is completed during upper carry：Slips is transported to move along transhipment guide groove
Move to power elevator close to the position of well head, close elevator in transhipment slips docking second, when carrying to next tubing coupling
When, promote first interior elevator to close elevator valve, lower drain line makes tubing coupling be sitting in first to pithead position
On elevator, hydraulic tongs dismantles tubing thread, above puies forward oil pipe circulation above procedure and has completed oil pipe construction；
Lower drain line step above carries the inverse process of oil pipe.
Compared to prior art, the invention has the advantages that：
1st, by the cooperation of power elevator and interior elevator, not lift to move elevator, the mechanization lower oil tube hung of not seting out are realized
Operation, effectively mitigate labor strength；
2nd, it is applied widely, it is adapted to the workover treatment of a variety of special oil pipes；
3rd, realize and do not damage oil pipe lower oil tube, effectively extend construction well is excused from a college course the phase, has saved operating cost；
4th, interior elevator realizes transhipment inside power elevator, transports apart from short, transshipment acitivity is simple to operation；
5th, elevator transhipment can be completed during lower oil tube, is effectively improved mechanization workover treatment efficiency；
6th, the generation of single-ring accident can effectively be avoided by not plucking suspension ring, improve working security.
Brief description of the drawings
Fig. 1 is a kind of structural representation of power elevator of the present invention；
Fig. 2 is Fig. 1 left view；
Fig. 3 is interior elevator front view；
Fig. 4 is interior elevator top view；
Fig. 5 is wellhead lifting-clamping push-pull device at fixed structure and interior elevator change in location schematic diagram.
In figure：1st, slips is suspended in midair；2nd, guide groove is docked；3rd, balance weight；4th, hanger；5th, slips is transported；6th, transport
Slip hydraulic cylinder；7th, hydraulic motor；8th, guide groove is transported；9th, rack is transported；10th, interior elevator；11st, step is suspended in midair；
12nd, step is transported；13rd, operating platform；14th, abutted flange；15th, elevator push-pull device at fixed.
Embodiment
Detailed description for the present invention and technology contents, coordinate brief description of the drawings as follows, but accompanying drawing is only provided with reference to saying
It is bright to be used, not it is used for being any limitation as the present invention.
According to Fig. 1-5, a kind of power elevator, described suspention slips 1 is arranged on lower end outside before power elevator bearing,
By hydraulic cylinder controlling switch, for suspending internal slip 10 in midair；It is hanger 4 to suspend in midair directly over slips 1, for connecting suspension ring,
Top is provided with elevator pin；Described docking guide groove 2, for importing interior elevator 10；Described balance weight 3, hangs in power
Weight before and after balance, when docking oil pipe, for docking with oil pipe jack up unit, is easy to pour into oil pipe when card removes；
Described transhipment slips 5 is controlled open and close by transhipment slip hydraulic cylinder 6, and hydraulic motor 7 exists with moving gear, gear
Moved on transhipment rack 9, transhipment slips 5 can be driven to be moved forward and backward in guiding mechanism, guiding mechanism can lead for transhipment
Groove 8, the transhipment in power elevator of elevator 10 in realization.Described interior elevator 10 has two groups, is provided with interior elevator and hangs
Cape rank 11, interior elevator transhipment step 12, interior elevator 10 are built-in with motor, and the valve in interior elevator 10 is provided with gear
Gear is carried out with motor to be connected, Electric control can be achieved and open and close, and is equipped with the keying that remote control realizes elevator 10 in remote control
Elevator, the described lower section of operating platform 13 are provided with abutted flange 14 and elevator push-pull device at fixed 15, and abutted flange 14 is used for
Docking well head, elevator push-pull device at fixed can promote interior elevator 10 to arrive pithead position a`, can also pull interior elevator before construction
10 arrive the position b` away from well head, and when under power elevator not in pithead position, a and a` is on same vertical line, b
It is in b` on same vertical line, when power elevator is transferred to pithead position, a overlaps with a` positions, b and b` positions
Overlap.
When above carrying oil pipe, first tubing coupling is sitting on first interior elevator, first interior elevator is in well head a`
Position, second interior elevator are in the b` positions away from well head, and its elevator valve is in opening, using in first
Elevator valve in the remote control closing that elevator is equipped with, transfers power elevator, makes power elevator interior location a and a` positions weight
Close, power elevator is inserted in first interior elevator, closes the suspention step 11 that suspention slips 1 blocks first interior elevator, together
When close transhipment slips 5 block transhipment step 12, docking block after by hook on hanger 4 carry power elevator, carry to
During next tubing coupling, second interior elevator is pushed into well head a` positions by elevator push-pull device at fixed 15, closed in second
Elevator valve, tubing coupling is sitting on second interior elevator, tubing thread is dismantled with hydraulic tongs, oil pipe is pushed into oil pipe rises
Rise on device, open the valve on first interior elevator, depart from oil pipe and first interior elevator, oil pipe jack up unit returns
Drain line is accepted, hook decentralization power elevator, following act is completed while decentralization：Open suspention slips 1, Ran Houzhuan
Fortune slips 5 is moved on transhipment guide groove 8, and first interior elevator is pushed into the b positions away from pithead position inside power elevator
Put, complete more than act after, power elevator is transferred to well head, and the location of second interior elevator a` leans on power elevator
The position a of nearly well head is overlapped, and power elevator is inserted in second interior elevator, closes suspention slips 1 and second interior elevator pair
Connect, unlatching transhipment slips 5, first interior elevator disengaging power elevator, the b` positions in well head distal end, carried on hook
Power elevator, following act is completed during upper carry：To be moved to power elevator close along transhipment guide groove 8 for transhipment slips 5
The a positions of well head, elevator in transhipment slips docking second is closed, when carrying to during next tubing coupling, elevator push-and-pull fills
15 promotion, first interior elevator is put to well head a` positions, closes elevator valve, lower drain line makes tubing coupling be sitting in first
On interior elevator, hydraulic tongs dismantles tubing thread, above puies forward oil pipe circulation above procedure and has completed oil pipe construction.
During lower drain line, first interior elevator docking oil pipe closes elevator valve, and power elevator closes suspention slips docking the
One interior elevator, second interior elevator are put to well head distal end b` positions, transfer hook, power elevator is sitting in well head, power
Elevator position a overlaps with the a` positions residing for first interior elevator, opens suspention slips 1 and departs from first interior elevator, closes
Transhipment slips 5 is closed, docks second interior elevator, hook suitably above carries, while transports slips 5 and pushed in guide groove 8 is transported
For second interior elevator to power elevator close to a positions of pithead position, power elevator closes suspention slips 1, oil pipe raising dress
Push oil pipe is put, tubing coupling docks second interior elevator through power elevator, and second interior elevator closes elevator valve,
Hook is transferred, and oil pipe pin thread is docked with lower section oil pipe box, detained on hydraulic tongs, and a small distance is put forward on hook connects oil pipe
Hoop leaves first interior elevator, opens first interior elevator valve, and elevator push-pull device at fixed 15 pulls open first interior elevator to remote
From the position b` positions of well head, hook is transferred, power elevator is sitting in well head, now, interior elevator position a overlaps with a`,
Position b overlaps with b`, opens suspention slips and departs from second interior elevator, closing transhipment slips docks first interior elevator and followed
Ring above procedure completes lower Tubing During Running.
Above elevator push-pull device at fixed, interior elevator, suspention slips, the structure of transhipment slips in itself are prior art, so
Its concrete structure and suspention slips, the suspention step of the transhipment internal elevator of slips, the attachment structure of transhipment step are no longer superfluous
State.
The invention belongs to the lower oil tube process in mechanization workover treatment, suitable for removing oil during mechanization workover treatment
Pipe, it is possible to increase well head automaticity, reduce labor strength, improve efficiency of construction.
Presently preferred embodiments of the present invention is the foregoing is only, is not used to limit the scope of the claims of the present invention, other use this hair
The equivalence changes of bright patent spirit, it all should all belong to the scope of the claims of the present invention.
Claims (5)
- A kind of 1. power elevator, it is characterized in that, including power elevator bearing and the suspention slips being arranged on power elevator bearing, transporter, hanger, the suspention slips is arranged on lower end outside before power elevator bearing, the hanger is arranged on power elevator support outer face and sets transporter positioned at the surface of suspention slips, the top of the suspention slips.
- A kind of 2. power elevator according to claim 1, it is characterized in that, the transporter includes transhipment slips, transhipment slip hydraulic cylinder, hydraulic motor, transhipment rack, the rear end control transhipment slips that the transhipment slip hydraulic cylinder is connected to transhipment slips opens and closes, the transhipment rack is meshed with the gear in hydraulic motor, the hydraulic motor links into an integrated entity with transhipment slip hydraulic cylinder, and the transhipment slips and transhipment slip hydraulic cylinder follow hydraulic motor to be moved forward and backward on transhipment rack together.
- 3. a kind of power elevator according to claim 2, it is characterised in that run on before and after the transhipment slips in guiding mechanism.
- 4. a kind of power elevator according to claim 2, it is characterised in that balance weight is provided with the power elevator bearing, ensures power elevator bearing using hanger as center line or so gravitational equilibrium.
- 5. a kind of power elevator conveyer method, comprises the following steps：When above carrying oil pipe, first tubing coupling is sitting on first interior elevator, first interior elevator is in pithead position, second interior elevator is in the position away from well head, first interior elevator valve is closed below box cupling, decentralization power elevator simultaneously closes the suspention step that suspention slips blocks first interior elevator, simultaneously close off transhipment slips and block transhipment step, dock after blocking by hook to carrying power elevator on hanger, carry to during next tubing coupling, second interior elevator is pushed into pithead position, close second interior elevator valve, tubing coupling is sitting on second interior elevator, tubing thread is dismantled with hydraulic tongs, oil pipe is pushed on oil pipe jack up unit；The valve on first interior elevator is opened, departs from oil pipe and first interior elevator, the lower drain line of oil pipe jack up unit recovery, hook decentralization power elevator, following act is completed while decentralization：Open suspention slips and decontrol first interior elevator, open hydraulic motor, hydraulic motor internal gear is moved on transhipment rack, and transhipment slips moves with first interior elevator on transhipment guide groove, and first interior elevator is pushed into the position away from pithead position inside power elevator；After being acted more than completing, power elevator the location of is transferred to second interior elevator of well head, suspention slips is closed to dock with second interior elevator, open transhipment slips, first interior elevator departs from power elevator, power elevator is carried on well head remote location, hook, following act is completed during upper carry：Transhipment slips is moved to power elevator close to the position of well head along transhipment guide groove, closes elevator in transhipment slips docking second, when carrying to during next tubing coupling, promoting first interior elevator to pithead position；Elevator valve is closed, lower drain line makes tubing coupling be sitting on first interior elevator, and hydraulic tongs dismantles tubing thread, above puies forward oil pipe circulation above procedure and has completed oil pipe construction；Lower drain line step above carries the inverse process of oil pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610527501.4A CN107587851B (en) | 2016-07-06 | 2016-07-06 | A kind of mechanization workover treatment power elevator and elevator conveyer method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610527501.4A CN107587851B (en) | 2016-07-06 | 2016-07-06 | A kind of mechanization workover treatment power elevator and elevator conveyer method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107587851A true CN107587851A (en) | 2018-01-16 |
| CN107587851B CN107587851B (en) | 2019-11-29 |
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| CN201610527501.4A Active CN107587851B (en) | 2016-07-06 | 2016-07-06 | A kind of mechanization workover treatment power elevator and elevator conveyer method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102733764A (en) * | 2012-06-29 | 2012-10-17 | 中国石油化工股份有限公司 | Method and device for suspending pipe column in well workover treatment |
| CN203145858U (en) * | 2013-03-25 | 2013-08-21 | 中国石油化工股份有限公司 | Mechanical elevator |
| CN203321368U (en) * | 2013-06-05 | 2013-12-04 | 中国石油天然气股份有限公司 | Deep-well pump pipe elevator device |
| CN104405304A (en) * | 2014-01-13 | 2015-03-11 | 中国石油化工股份有限公司 | Workover operation system and process capable of realizing unattended operation at wellhead |
| CN104453741A (en) * | 2014-01-13 | 2015-03-25 | 中国石油化工股份有限公司 | Mechanical workover treatment elevator transportation method |
| CN206091902U (en) * | 2016-07-06 | 2017-04-12 | 中国石油化工股份有限公司 | Mechanized workover power elevator |
-
2016
- 2016-07-06 CN CN201610527501.4A patent/CN107587851B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102733764A (en) * | 2012-06-29 | 2012-10-17 | 中国石油化工股份有限公司 | Method and device for suspending pipe column in well workover treatment |
| CN203145858U (en) * | 2013-03-25 | 2013-08-21 | 中国石油化工股份有限公司 | Mechanical elevator |
| CN203321368U (en) * | 2013-06-05 | 2013-12-04 | 中国石油天然气股份有限公司 | Deep-well pump pipe elevator device |
| CN104405304A (en) * | 2014-01-13 | 2015-03-11 | 中国石油化工股份有限公司 | Workover operation system and process capable of realizing unattended operation at wellhead |
| CN104453741A (en) * | 2014-01-13 | 2015-03-25 | 中国石油化工股份有限公司 | Mechanical workover treatment elevator transportation method |
| CN206091902U (en) * | 2016-07-06 | 2017-04-12 | 中国石油化工股份有限公司 | Mechanized workover power elevator |
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| Publication number | Publication date |
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| CN107587851B (en) | 2019-11-29 |
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