CN108086925A - A kind of auxiliary suitable for workover treatment with pressure removes tube apparatus and operational method - Google Patents
A kind of auxiliary suitable for workover treatment with pressure removes tube apparatus and operational method Download PDFInfo
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- CN108086925A CN108086925A CN201711392332.9A CN201711392332A CN108086925A CN 108086925 A CN108086925 A CN 108086925A CN 201711392332 A CN201711392332 A CN 201711392332A CN 108086925 A CN108086925 A CN 108086925A
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- 238000000034 method Methods 0.000 title claims abstract description 32
- 230000008569 process Effects 0.000 claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 238000001514 detection method Methods 0.000 claims abstract description 15
- 230000003028 elevating effect Effects 0.000 claims abstract description 12
- 238000009434 installation Methods 0.000 claims abstract description 8
- 230000009471 action Effects 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000003345 natural gas Substances 0.000 abstract description 2
- 239000003209 petroleum derivative Substances 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 241000233855 Orchidaceae Species 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 230000000638 stimulation Effects 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK 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
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK 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
- E21B19/14—Racks, ramps, troughs or bins, for holding the lengths of rod singly or connected; Handling between storage place and borehole
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK 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
- E21B19/18—Connecting or disconnecting drill bit and drilling pipe
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Abstract
The invention belongs to petroleum and natural gas drilling-production equipment technical fields, are related to a kind of auxiliary suitable for workover treatment with pressure and remove tube apparatus and operational method.Oil column collar detecting device is separately mounted on the outside of equipment end plate, lower tubular column oil cylinder is played to connect and drive tubular column clamping device, tubular column clamping device is fixed on the elevating mechanism of support post, equipment is installed on by well head mounting flange in open flow device group with pressure, hydraulic control cabinet is connected with tubular column clamping device and a lower tubular column oil cylinder, electrical control cabinet is connected with string collar detection device, improves the degree of automation for having aided in down tube operation process；Upper tubular column clamping device and lower tubular column oil cylinder and lower tubular column clamping device are gone up and lower lower tubular column oil cylinder uses the reversed installation form of crossed-symmetrical.The present invention is based on workover treatment modes with pressure, can eliminate tradition auxiliary and remove the idle stroke problem in tube apparatus operation process and the safety problem that box cupling edge causes down-hole high pressure to eject oil pipe is only clamped in there are slips.
Description
Technical field
The invention belongs to petroleum and natural gas drilling-production equipment technical fields, are related to a kind of suitable for the auxiliary of workover treatment with pressure
It helps and removes tube apparatus and operational method.
Background technology
During development of fields, such as run into strata pressure variation, down-hole accident, change mining type, technique skill
Situations such as art, adjustment Development layer series, generally requires to carry out workover treatment.Oil well repairing operation refers to the event for releasing oil/gas well
Barrier, ability of resuming production, and being transformed to oil reservoir improve oil gas capacity of well, to obtain the economic benefit of bigger
The operation process of tripping in or frequent, repeatedly the maintenance and repair of replacement flow string into oil/gas well or well casing.
Three kinds of oil-water well upkeep operation generally use open flow, kill-job and Operating Pressure operating types.If using open flow
Pressure release, not only waste of resource, destroys strata pressure balance, can also ground environment be caused to pollute, increase duty cycle；And it is pressed
During well operations, well killing fluid contact stratum causes stratum filtration channel blockage, pollution stratum, finally influences recovery ratio.Not injure
Stratum keeps stratum energy, shortens duty cycle, reduces environmental pollution, this set workover rig and method are based on Operating Pressure skill
Art.Operating Pressure is primarily referred to as during the workover treatment in well site, and high-pressure water injection well is in the situation without kill-job and open flow
Under, controlling the pressure in well with Operating Pressure blowout hookup so that band press liquid will not be revealed, and not generate blowout,
In the case that such with pressure, raising and the high-efficient homework mode of decentralization are carried out to tubing string.
Most important in all kinds of well workovers and well stimulation operation is also that a most heavy link has been exactly lower tubular column.Play down tube
Column refer to using associated mechanical instrument by well tubing string propose well head, unload and be placed on oil pipe bridge by root, through over cleaning, zhang
Amount assembles and replacement is gone into the well after instrument again, then the process by root G.I.H.This work usually accounts for entire well-repairing work amount
More than 80%, and labor intensity is big.Since China major part oil field has been enter into the exploitation intermediary and later stages, the difficulty of oil recovery is more next
Bigger, well workover task is also more and more heavier.Particularly west area, oil well is relatively deep, natural environmental condition is very harsh.It improves
Well workover efficiency, the labor intensity for mitigating worker make worker as far as possible away from severe working environment, it is desirable to have the well of superior performance
Mouth removes column apparatus.
Workover treatment with pressure mainly clamps tubing string by removing column apparatus, overcomes clips clamp force with down-hole pressure to oil
The upper top power of the generations such as pipe, sucker rod, instrument, can rise out safely or tripping in.Traditional auxiliary, which removes tube apparatus, to expire
The elemental operation requirement of foot straps pressure well workover system, but there are clearly disadvantageous parts.Firstth, hydraulic stem moves back and forth once
In the process, effect stroke, an idle stroke backhaul, operating efficiency be not high there are one；Secondth, due to some tubing strings since breakage is passed through
Blocking reparation causes tubing string length to differ, and being only clamped in box cupling edge there are slips during this remove causes down-hole high pressure
The dangerous situation that tubing string is ejected.
The content of the invention
Remove that tube apparatus operating efficiency in operation process is low and there are security risks etc. to ask to solve traditional auxiliary
Topic, the present invention provide a kind of auxiliary suitable for workover treatment with pressure and remove tube apparatus and operational method.
The technical scheme is that：
A kind of auxiliary suitable for workover treatment with pressure removes tube apparatus, which removes tube apparatus and pass through well head Method for Installation
Orchid be mounted on open flow device group with pressure on, including oil pipe, upper and lower string collar detector, upper and lower end plate, upper and lower tubular column clamping device,
Upper lower lower tubular column oil cylinder, elevating mechanism, support post.
The tip plate configurations up and down are identical, and the center is equipped with a through hole, for passing through oil pipe；On the inside of upper and lower end plate
Two ends angle at installation for connect the hinged seat of lower tubular column oil cylinder, processing straight slot at other two end angle, avoid above and below
The oily lever connecting seat of end plate and upper lower lower tubular column oil cylinder generates interference.Support post is mounted between upper and lower end plate.Support
Four travel switches are installed, two of which travel switch is arranged close to the position of upper and lower end plate, respectively upper part on column
Upper stroke switch, lower part lower stroke switch, other two is mounted on the middle part of support post, and top is upper part down stroke
Switch, lower section is lower part upper stroke switch.
The cylinder body of described upper lower tubular column oil cylinder is connected with bottom plate, and cylinder rod is connected with upper tubular column clamping device；
The cylinder body for playing lower tubular column oil cylinder down is connected with upper head plate, and cylinder rod is connected with lower tubular column clamping device；Upper lower lower tubular column oil
Cylinder is connected with hydraulic control cabinet, and by hydraulic control cabinet control on lower lower tubular column oil cylinder oily lever stretching with
It retracts, drives the rise and decline of tubular column clamping device up and down.The tubular column clamping device up and down passes through lifting with support post
Mechanism is connected, and support post and elevating mechanism ensure that tubular column clamping device can only be moved up and down along support post up and down, on
Lower tubular column clamping device is connected with hydraulic control cabinet, and carried out by the control of hydraulic control cabinet to the clamping of oil pipe and
The action unclasped.
The upper tubing string collar detecting device is mounted on the outside of upper head plate, and lower tubular column collar detecting device is mounted on bottom plate
Outside, upper and lower string collar detection device are connected respectively with electrical control cabinet.Upper and lower string collar detector is in lower oil tube
In the process for detecting the position of tubing coupling, and electric signal is sent to electrical control cabinet, electrical control cabinet cooperation hydraulic control
The action of lower lower tubular column oil cylinder and upper and lower tubular column clamping device, enables tubing coupling safety in cabinet control.
The elevating mechanism is using compound roller bearing structure or using guide rail slide block mechanism.
Upper tubular column clamping device and lower tubular column oil cylinder is gone up, lower tubular column clamping device and lower lower tubular column oil cylinder are using intersecting
Symmetrical reverse installation form.
The action method that above-mentioned auxiliary removes tube apparatus comprises the following steps：
The first step rises and takes out tubing string operation
1.1) start auxiliary and remove tube apparatus, upper and lower tubular column clamping device is in initialization position, when upper lower tubular column
The cylinder rod outer end of oil cylinder touches part upper stroke switch, and the cylinder rod outer end of lower lower tubular column oil cylinder touches lower part
When dividing lower stroke switch, upper tubular column clamping device 3 is located at close to the position of upper head plate at this time, and lower tubular column clamping device is located at close
The position of bottom plate.
1.2) after starting operation, lower tubular column gripping apparatus grips tubing string moves up, while upper tubular column clamping device 3 is not
It clamps in the state of tubing string to moving down；
1.3) the cylinder rod outer end for playing lower tubular column oil cylinder instantly touches lower part upper stroke switch, and has gone up lower tubular column oil
When the cylinder rod outer end of cylinder touches part lower stroke switch, upper tubing string gripping means grips tubing string, then lower tubular column press from both sides
It holds device and unclamps tubing string.Upper tubing string clamp device clamping tubing string starts to move upwardly into initialization position, while lower tubular column clamping dress
It puts and initialization position is moved down in the state of tubing string is not clamped.
1.4) in period of the lower tubular column collar finder without detection signal, repetition step 1.2) and step 1.3).
1.5) when string collar detector detects that string collar sends detection signal instantly, upper and lower tubular column clamping device is first
Return to respective initial position respectively afterwards.This process includes two kinds of situations：
A. when upper tubular column clamping device is in clamping tubing string state, when lower tubular column clamping device is in releasing orientation, down tube
Column clamping device clamps oil pipe after being first moved to initial position, and then upper tubular column clamping device moves in the state of tubing string is not clamped
Move initial position.
B. tubular column clamping device is in clamping tubing string state, when upper tubular column clamping device is in releasing orientation, upper tube instantly
Column clamping device clamps oil pipe after being first moved to initial position, and then lower tubular column clamping device moves in the state of tubing string is not clamped
Move initial position.
1.6) repeat step 1.2) and step 1.3) continues to rise tubing string operation, turned off after proposing all tubing strings
Equipment.
Tubing string operation is taken out in second step, tripping in
2.1) start auxiliary and remove tube apparatus, upper and lower tubular column clamping device is in initialization position, i.e., when upper down tube
The cylinder rod outer end of column oil cylinder touches part upper stroke switch, and the cylinder rod outer end of lower lower tubular column oil cylinder touches down
During the lower stroke switch of part, upper tubular column clamping device is located at close to the position of upper head plate at this time, and lower tubular column clamping device, which is located at, to be leaned on
The position of nearly bottom plate.
2.2) after starting operation, upper tubing string gripping apparatus grips tubing string moves down, while lower tubular column clamping device is not
It clamps in the state of tubing string to moving up；
2.3) the cylinder rod outer end for playing lower tubular column oil cylinder instantly touches lower part upper stroke switch and has gone up lower tubular column oil
When the cylinder rod outer end of cylinder touches part lower stroke switch, lower tubular column gripping means grips tubing string, then above tubing string presss from both sides
It holds device and unclamps tubing string.Lower tubular column gripping apparatus grips tubing string starts to move down to initialization position, while upper tubing string clamps
Device moves upwardly into initialization position in the state of tubing string is not clamped.
2.4) in period of the upper tubing string collar finder without detection signal, repetition step 2.2) and step 2.3).
2.5) when upper tubing string collar finder detects that string collar sends detection signal, upper and lower tubular column clamping device is first
Return to respective initial position respectively afterwards.This process includes two kinds of situations：
A. when upper tubular column clamping device is in clamping tubing string state, when lower tubular column clamping device is in releasing orientation, down tube
Column clamping device clamps oil pipe after being first moved to initial position, and then upper tubular column clamping device moves in the state of tubing string is not clamped
Move initial position.
B. tubular column clamping device is in clamping tubing string state, when upper tubular column clamping device is in releasing orientation, upper tube instantly
Column clamping device clamps oil pipe after being first moved to initial position, and then lower tubular column clamping device moves in the state of tubing string is not clamped
Move initial position.
2.6) repeat step 2.2) and step 2.3) continues running string operation, until the dead weight of tubing string can overcome well
Pass hull closure after the pressure of lower oil gas.
The beneficial effects of the present invention are：
This equipment is based on workover treatment mode with pressure, makes high-pressure water injection well in the case of without kill-job and open flow, transports
The pressure in well is controlled with Operating Pressure blowout hookup so that band press liquid will not be revealed, and not generate blowout, this equipment
Underground oil gas can be effectively controlled during down tube to the upper top power of tubing string.Meanwhile it removes tube apparatus for tradition auxiliary and exists
Operating efficiency is low and there are the innovation that structure and method are carried out the problems such as security risk in operation process, eliminates tradition and aids in
Idle stroke problem during down tube equipment availability and box cupling edge is only clamped in there are slips causes down-hole high pressure by tubing string
The problem of ejection, caused the device to efficiently be safely completed lowering-in operation.The spatial arrangement of rational structure design and component
Reducing the radial dimension of equipment makes the compact-sized of equipment, and device and method are based on box cupling detectable signal control system, electrically
The introducing of detecting and controlling system improves the degree of automation for having aided in down tube operation process.
Description of the drawings
Fig. 1 is the schematic diagram that auxiliary removes tube apparatus；
Fig. 2 removes tube apparatus operation process schematic diagram for auxiliary；
In figure, 1 oil pipe；Tubing string collar finder on 2；Tubular column clamping device on 3；4 lower lower tubular column oil cylinders；5 supports are vertical
Column；6 lower tubular column clamping devices；7 elevating mechanisms；Lower tubular column oil cylinder is played on 8；9 lower tubular column collar finders；10 bottom plates；On 11
End plate.
Specific embodiment
The specific embodiment illustrated the present invention below in conjunction with the accompanying drawings, but it is above-mentioned that this should not be interpreted as to the present invention
The scope of main body is only limitted to following instance, all to be all belonged to the scope of the present invention based on the technology that present invention is realized.
A kind of auxiliary suitable for workover treatment with pressure removes tube apparatus, which removes tube apparatus and pass through well head Method for Installation
Orchid is mounted in open flow device group with pressure, including oil pipe 1, upper and lower string collar detector 2,9, and upper and lower end plate 11,10, upper lower tubular column
Clamping device 3,6, upper lower lower tubular column oil cylinder 4,8, elevating mechanism 7, support post 5.
The end plate up and down 11,10 structures are identical, are square plate, a through hole are equipped at center, for passing through oil
Pipe 1；Installation is used to connect the hinged seat of lower tubular column oil cylinder, other two end at two ends angle of upper and lower 11,10 inside of end plate
Straight slot is machined at angle, is generated to avoid the oily lever connecting seat of upper and lower end plate 11,10 and upper lower lower tubular column oil cylinder 4,8 dry
It relates to.Four support posts 5 are affixed with the four edges of upper and lower end plate 11,10 respectively.Four rows are installed on one of support post 5
Cheng Kaiguan, two of which travel switch are arranged close to the position of upper and lower end plate 11,10, are respectively top such as A, D in Fig. 2
Divide upper stroke switch, lower part lower stroke switch, other two is mounted on the middle part of support post 5, and top is under upper part
Travel switch, such as the B in Fig. 2, lower section is lower part upper stroke switch, such as the C in Fig. 2.
The cylinder body of described upper lower tubular column oil cylinder 8 is connected with bottom plate 10, and cylinder rod connects with upper tubular column clamping device 3
It connects；The cylinder body for playing lower tubular column oil cylinder 4 down is connected with upper head plate 11, and cylinder rod is connected with lower tubular column clamping device 6；It removes up and down
Tubing string oil cylinder 8,4 is connected with hydraulic control cabinet, and passes through the oil of lower lower tubular column oil cylinder 8,4 in the control of hydraulic control cabinet
Lever extends and retracts, and drives the rise and decline of tubular column clamping device 3,6 up and down.The tubular column clamping device 3,6 up and down
It is connected with support post 5 by elevating mechanism 7, support post 5 and elevating mechanism 7 ensure tubular column clamping device 3,6 up and down
It can be moved up and down along support post 5, upper and lower tubular column clamping device 3,6 is connected with hydraulic control cabinet, and passes through hydraulic pressure
The clamping to oil pipe and the action unclasped are carried out in the control of switch board.
The upper tubing string collar detecting device 2 is mounted on 11 outside of upper head plate, and lower tubular column collar detecting device 9 is mounted on down
10 outside of end plate, upper and lower string collar detection device 2,9 are connected respectively with electrical control cabinet.Upper and lower string collar detector 2,9
For detecting the position of tubing coupling during lower oil tube, and electric signal is sent to electrical control cabinet, electrical control cabinet
Coordinate lower lower tubular column oil cylinder 4,8 and the action of tubular column clamping device 3,6 up and down in the control of hydraulic control cabinet, enable tubing coupling
Safety.
The elevating mechanism is using compound roller bearing structure or using guide rail slide block mechanism.
The action method that above-mentioned auxiliary removes tube apparatus comprises the following steps：
The first step rises and takes out tubing string operation
1.1) start auxiliary and remove tube apparatus, upper and lower tubular column clamping device 3,6 is in initialization position, when upper down tube
The cylinder rod outer end of column oil cylinder 8 touches part upper stroke switch, and the cylinder rod outer end of lower lower tubular column oil cylinder 4 touches
During lower part lower stroke switch, upper tubular column clamping device 3 is located at close to the position of upper head plate, lower tubular column clamping device 6 at this time
In close to the position of bottom plate.
1.2) after starting operation, lower tubular column clamping device 6 clamps tubing string and moves up, while upper tubular column clamping device 3 exists
It does not clamp in the state of tubing string to moving down；
1.3) the cylinder rod outer end for playing lower tubular column oil cylinder 4 instantly touches lower part upper stroke switch, and has gone up lower tubular column
When the cylinder rod outer end of oil cylinder 8 touches part lower stroke switch, upper tubular column clamping device 3 clamps tubing string, then down tube
Column clamping device 6 unclamps tubing string.Upper tubing string clamp device 3 clamps tubing string and starts to move upwardly into initialization position, while lower tubular column
Clamping device 6 moves down to initialization position in the state of tubing string is not clamped.
1.4) in period of the lower tubular column collar finder 9 without detection signal, repetition step 1.2) and step 1.3).
1.5) when string collar detector 9 detects that string collar sends detection signal instantly, upper and lower tubular column clamping device
Successively respective initial position is returned to respectively.This process includes two kinds of situations：
A. tubing string state is clamped when upper tubular column clamping device 3 is in, when lower tubular column clamping device 6 is in releasing orientation, under
Tubular column clamping device 6 clamps oil pipe after being first moved to initial position, and then upper tubular column clamping device 3 is not clamping the state of tubing string
It is moved to initial position.
B. tubular column clamping device 6 is in clamping tubing string state instantly, when upper tubular column clamping device 3 is in releasing orientation, on
Tubular column clamping device 3 clamps oil pipe after being first moved to initial position, and then lower tubular column clamping device 6 is not clamping the state of tubing string
It is moved to initial position.
1.6) repeat step 1.2) and step 1.3) continues to rise tubing string operation, turned off after proposing all tubing strings
Equipment.
Tubing string operation is taken out in second step, tripping in
2.1) start auxiliary and remove tube apparatus, upper and lower tubular column clamping device 3,6 is in initialization position, i.e., ought above remove
The cylinder rod outer end of tubing string oil cylinder 8 touches part upper stroke switch, and the outer end in contact of cylinder rod of lower lower tubular column oil cylinder 4
During to lower part lower stroke switch, upper tubular column clamping device 3 is located at close to the position of upper head plate, lower tubular column clamping device 6 at this time
Positioned at close to the position of bottom plate.
2.2) after starting operation, upper tubular column clamping device 3 clamps tubing string and moves down, while lower tubular column clamping device 6 exists
It does not clamp in the state of tubing string to moving up；
2.3) the cylinder rod outer end for playing lower tubular column oil cylinder 4 instantly touches lower part upper stroke switch and has gone up lower tubular column oil
When the cylinder rod outer end of cylinder 8 touches part lower stroke switch, lower tubular column clamping device 6 clamps tubing string, then upper tubing string
Clamping device 3 unclamps tubing string.Lower tubular column clamping device 6 clamps tubing string and starts to move down to initialization position, while upper tubing string
Clamping device 3 moves upwardly into initialization position in the state of tubing string is not clamped.
2.4) in period of the upper tubing string collar finder 2 without detection signal, repetition step 2.2) and step 2.3).
2.5) when upper tubing string collar finder 2 detects that string collar sends detection signal, upper and lower tubular column clamping device
Successively respective initial position is returned to respectively.This process includes two kinds of situations：
A. tubing string state is clamped when upper tubular column clamping device 3 is in, when lower tubular column clamping device 6 is in releasing orientation, under
Tubular column clamping device 6 clamps oil pipe after being first moved to initial position, and then upper tubular column clamping device 3 is not clamping the state of tubing string
It is moved to initial position.
B. tubular column clamping device 6 is in clamping tubing string state instantly, when upper tubular column clamping device 3 is in releasing orientation, on
Tubular column clamping device 3 clamps oil pipe after being first moved to initial position, and then lower tubular column clamping device 6 is not clamping the state of tubing string
It is moved to initial position.
2.6) repeat step 2.2) and step 2.3) continues running string operation, until the dead weight of tubing string can overcome well
Pass hull closure after the pressure of lower oil gas.
From the above-mentioned course of work, auxiliary removes tube apparatus and is all not present in the process for proposing tubing string and running string
Idle stroke is, it can be achieved that efficiently play lower tubular column operation, and after detector detects box cupling, the tubular column clamping device of equipment can be stood
It successively moves to initial position and then carries out circulation action, it is ensured that tubular column clamping device will not be clamped to box cupling, eliminate peace
Full hidden danger.
Claims (4)
1. a kind of auxiliary suitable for workover treatment with pressure removes tube apparatus, which is characterized in that the auxiliary removes tube apparatus
Including oil pipe (1), upper and lower string collar detector (2,9), upper and lower end plate (11,10), upper and lower tubular column clamping device (3,6), on
Under play lower tubular column oil cylinder (4,8), elevating mechanism (7), support post (5)；
Described end plate up and down (the 11,10) structure is identical, and the center is equipped with a through hole, for passing through oil pipe (1)；Upper and lower side
Installation is used to connect the hinged seat of lower tubular column oil cylinder at two ends angle on the inside of plate (11,10)；Support post (5) is mounted on upper
Between bottom plate (11,10), and four travel switches are installed on support post (5), two of which travel switch is mounted on and leans on
The position of nearly end plate (11,10) up and down, respectively upper part upper stroke switch, lower part lower stroke switch, other two installation
At the middle part of support post (5), top is upper part lower stroke switch, and lower section is lower part upper stroke switch；
The cylinder body of described upper lower tubular column oil cylinder (8) is connected with bottom plate (10), cylinder rod and upper tubular column clamping device (3)
Connection；The cylinder body for playing lower tubular column oil cylinder (4) down is connected with upper head plate (11), and cylinder rod is connected with lower tubular column clamping device (6)；
Upper lower lower tubular column oil cylinder (8,4) is connected with hydraulic control cabinet, and passes through lower lower tubular column in the control of hydraulic control cabinet
The oily lever of oil cylinder (8,4) extends and retracts, and drives the rise and decline of tubular column clamping device (3,6) up and down；Above and below described
Tubular column clamping device (3,6) is connected with support post (5) by elevating mechanism (7), the support of upper and lower tubular column clamping device (3,6) edge
Column (5) moves up and down, and upper and lower tubular column clamping device (3,6) is connected with hydraulic control cabinet, and passes through hydraulic control cabinet
Control carry out to the clamping of oil pipe and the action unclasped；
It is described up and down string collar detector (2,9) be mounted on upper and lower end plate (11,10) on the outside of, and respectively with electrical control cabinet phase
Even；Upper and lower string collar detector (2,9) is used to detect during lower oil tube the position of tubing coupling, and sends telecommunications
Number to electrical control cabinet, lower lower tubular column oil cylinder (4,8) and upper lower tubular column press from both sides in electrical control cabinet cooperation hydraulic control cabinet control
The action of device (3,6) is held, enables tubing coupling safety.
2. a kind of auxiliary suitable for workover treatment with pressure according to claim 1 removes tube apparatus, feature
Be, two of the end plate up and down (11,10) ends process straight slot at angle, for avoid up and down end plate (11,10) with up and down
The oily lever connecting seat for playing lower tubular column oil cylinder (4,8) generates interference.
3. a kind of auxiliary suitable for workover treatment with pressure according to claim 1 or 2 removes tube apparatus, special
Sign is that the elevating mechanism is using compound roller bearing structure or using guide rail slide block mechanism.
4. the operational method of tube apparatus is removed using any auxiliary suitable for workover treatment with pressure of claim 1-3,
It is characterized in that following steps：
The first step rises and takes out tubing string operation
1.1) start auxiliary and remove tube apparatus, upper and lower tubular column clamping device (3,6) is in initialization position, when upper lower tubular column
The cylinder rod outer end of oil cylinder (8) touches part upper stroke switch, and the outer end in contact of cylinder rod of lower lower tubular column oil cylinder (4)
During to lower part lower stroke switch, upper tubular column clamping device (3) is located at close to the position of upper head plate, lower tubular column clamping device at this time
(6) it is located at close to the position of bottom plate；
1.2) after starting operation, lower tubular column clamping device (6) clamping tubing string moves up, while upper tubular column clamping device (3) exists
It does not clamp in the state of tubing string to moving down；
1.3) the cylinder rod outer end for playing lower tubular column oil cylinder (4) instantly touches lower part upper stroke switch, and has gone up lower tubular column oil
When the cylinder rod outer end of cylinder (8) touches part lower stroke switch, upper tubular column clamping device (3) clamps tubing string, then under
Tubular column clamping device (6) unclamps tubing string；Upper tubing string clamp device 3 clamps tubing string and starts to move upwardly into initialization position, at present
Tubular column clamping device (6) moves down to initialization position in the state of tubing string is not clamped；
1.4) in period of the lower tubular column collar finder (9) without detection signal, repetition step 1.2) and step 1.3)；
1.5) when string collar detector (9) detects that string collar sends detection signal instantly, upper and lower tubular column clamping device is first
Return to respective initial position respectively afterwards；This process includes two kinds of situations：
A. tubing string state is clamped when upper tubular column clamping device (3) is in, when lower tubular column clamping device (6) is in releasing orientation, under
Tubular column clamping device (6) clamps oil pipe after being first moved to initial position, and then upper tubular column clamping device (3) is not clamping tubing string
State is moved to initial position；
B. tubular column clamping device (6) is in clamping tubing string state instantly, when upper tubular column clamping device (3) is in releasing orientation, on
Tubular column clamping device (3) clamps oil pipe after being first moved to initial position, and then lower tubular column clamping device (6) is not clamping tubing string
State is moved to initial position；
1.6) repeat step 1.2) and step 1.3) continues to rise tubing string operation, turn off and set after proposing all tubing strings
It is standby；
Tubing string operation is taken out in second step, tripping in
2.1) start auxiliary and remove tube apparatus, upper and lower tubular column clamping device (3,6) is in initialization position, i.e., when upper down tube
The cylinder rod outer end of column oil cylinder (8) touches part upper stroke switch, and is terminated outside the cylinder rod of lower lower tubular column oil cylinder (4)
When contacting lower part lower stroke switch, upper tubular column clamping device (3) is located at close to the position of upper head plate, lower tubular column clamping dress at this time
(6) are put to be located at close to the position of bottom plate；
2.2) after starting operation, upper tubular column clamping device (3) clamping tubing string moves down, while lower tubular column clamping device (6) exists
It does not clamp in the state of tubing string to moving up；
2.3) the cylinder rod outer end for playing lower tubular column oil cylinder (4) instantly touches lower part upper stroke switch and has gone up lower tubular column oil cylinder
(8) when cylinder rod outer end touches part lower stroke switch, lower tubular column clamping device (6) clamps tubing string, then upper tube
Column clamping device (3) unclamps tubing string；Lower tubular column clamping device (6) clamping tubing string starts to move down to initialization position, simultaneously
Upper tubular column clamping device (3) moves upwardly into initialization position in the state of tubing string is not clamped；
2.4) in period of the upper tubing string collar finder (2) without detection signal, repetition step 2.2) and step 2.3)；
2.5) when upper tubing string collar finder (2) detects that string collar sends detection signal, upper and lower tubular column clamping device is first
Return to respective initial position respectively afterwards；This process includes two kinds of situations：
A. tubing string state is clamped when upper tubular column clamping device (3) is in, when lower tubular column clamping device (6) is in releasing orientation, under
Tubular column clamping device (6) clamps oil pipe after being first moved to initial position, and then upper tubular column clamping device (3) is not clamping tubing string
State is moved to initial position；
B. tubular column clamping device (6) is in clamping tubing string state instantly, when upper tubular column clamping device (3) is in releasing orientation, on
Tubular column clamping device (3) clamps oil pipe after being first moved to initial position, and then lower tubular column clamping device (6) is not clamping tubing string
State is moved to initial position；
2.6) repeat step 2.2) and step 2.3) continues running string operation, until the dead weight of tubing string can overcome downhole oil
Pass hull closure after the pressure of gas.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711392332.9A CN108086925A (en) | 2017-12-21 | 2017-12-21 | A kind of auxiliary suitable for workover treatment with pressure removes tube apparatus and operational method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711392332.9A CN108086925A (en) | 2017-12-21 | 2017-12-21 | A kind of auxiliary suitable for workover treatment with pressure removes tube apparatus and operational method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111550199A (en) * | 2020-03-26 | 2020-08-18 | 四川宏华石油设备有限公司 | Tripping drilling machine, tripping method and continuous tripping method |
| CN113530529A (en) * | 2021-06-02 | 2021-10-22 | 高邮市华星石油管件制造有限公司 | Tubing coupling detection device and method for detecting tubing coupling |
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