CN103485735B - A kind of automation rountrip system and method for operating - Google Patents
A kind of automation rountrip system and method for operating Download PDFInfo
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- CN103485735B CN103485735B CN201310419700.XA CN201310419700A CN103485735B CN 103485735 B CN103485735 B CN 103485735B CN 201310419700 A CN201310419700 A CN 201310419700A CN 103485735 B CN103485735 B CN 103485735B
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Abstract
A kind of automation rountrip system, and the method for operating after improving, it is characterized in that, comprise a set of chain circulation jack up unit, independently tubing string transmits assembly, and automation pipe box, telescopic automatic liquid pressing tongs, power slip, box cupling monitoring device, the unmanned automation rountrip of high efficiency well head can be realized, complete tubing string and be anchored to tubing string transmission and discharge and inverse operation process thereof from hoisting, unloading.Chain type lifting mechanism, can avoid rocking in the process of hoisting; Two cover main clamps are uniform, can recycle successively, decrease idle stroke; Special tubing string processing capacity, minimizing comb and upper pipe operate and take and interference spatially jack up unit is temporal, effectively ensure operating efficiency; Automation pipe box, can carry out vertical discharge to tubing string, floor space is little, arranges easy, and greatly reduces labor strength.The present invention can be widely used in the light maintenance operation of land.
Description
Art
A novel well-pulling service automated system, and the method for operating after improving, can realize the unmanned automation rountrip of high efficiency well head, completes tubing string and be anchored to tubing string transmission and the automation mechanized operation of discharging from hoisting, unloading.
Background technology
At present, oil field light maintenance uses traditional work mode and equipment, needs 4 ~ 5 workman's work compounds, and almost every procedure all needs workman to participate in, and especially randomness is comparatively large, and the higher well head of flexibility, intelligent requirement operates; Workover rig and hydraulic tongs only play power-assisted effect, and therefore labor strength is very large.
The multiple automation workover rig of domestic development, has continued the mode that hoists of the winch-tourist bus-hook of traditional workover rig substantially; Adopt power elevator with and extending cylinder realizes elevator automatic open-close and tubing string is extrapolated; And coordinate tubing string exhaust apparatus, realize transmission and the arrangement of tubing string.Consider the mode that hoists of winch hook in design, rocking in tubing string motion process can have been aggravated, cause difficulty to the automation mechanized operation of well head; Therefore the guide rail structure of stable tourist bus track is designed with on.
But all need the cooperation extrapolation action of hook block in the transport process of tubing string, additionally occupy the non-process operating time of jack up unit, add the auxiliary body's (tubing string erection device etc.) around hook, add idle stroke, have impact on the independence of jack up unit work, the efficiency of equipment itself can not be given full play of.Therefore domestic at present automated job device efficiency is general lower, is difficult to apply.
In order to overcome the above problems, design a kind of oil well rountrip automation operating system, adopting new operation technique and equipment, increase work efficiency, alleviate the manual labor of operating personnel, reduce Job Operations personnel amount, reduce operating cost.
Summary of the invention
In order to realize the automation of rountrip, and obtaining higher operating efficiency, the invention provides a kind of design scheme and method of operating of new implement.
The technical solution adopted in the present invention comprises: a kind of chain type circulation jack up unit, power slip, automatic hydraulic tong, box cupling monitoring device, automation pipe box etc.
The chain type circulation jack up unit related to, can be consigned by flat bed trailer, hydraulic pressure automatic lifting; Its power assembly, comprises hydraulic motor, electronic type automatic transmission (AMT), reducer etc., is arranged on the top-support of run-in index support, drives drive sprocket; The two sleeve clamp compositions that lifting mechanism is stepped down in mechanism, chain and specific links primarily of drive sprocket, former and later two jockey sprockets, crank, wherein two sleeve clamps are uniformly distributed according to chain total length, circulate through well head successively to realize rotating with chain, hoist tubing string; The lower end of run-in index support is provided with two hydraulic legs and well head workbench, and height of table can be set up according to actual conditions by supporting leg; Power slip installed by well head workbench, its centre of gyration centering well head; In addition the side, front of workbench is welded with telescopic rail support and the guide rail of automatic liquid pressing tongs, to install automatic liquid pressing tongs; The middle part of run-in index support, above well head workbench, is provided with sprocket wheel support platform, platform is installed jockey sprocket and chain crank and to step down mechanism; Below top-support, the supporting leg top relative with hydraulic tongs support, tubing string conveyer assembly is installed, comprise hydraulic motor, internal gear reducer, power transmission shaft, thrust bearing, rotating spindle, main transferring arm, secondary transferring arm, wherein main transferring arm is arranged on the top of rotating spindle, inner installation extending cylinder and clamping fluid cylinder, can realize flexible and pinching action; And secondary transferring arm only installs extending cylinder, chucking opening, plays the effect of stable tubing string.
Power slip, is arranged on well head workbench, aligns with well head center; Comprise slips, fixing spider, hydraulic cylinder, rocking arm, connecting rod; Hydraulic cylinder be fixed on rocking arm pin shaft joint on slips body, drive the connecting rod connected with slips, drive slips slides up and down along step conic in fixing spider, realizes the clamping of tubing string and loosens.
Automatic hydraulic tong is arranged on well head workbench side, is connected by guide rail with between support.In guide rail, extending cylinder is installed, promotes hydraulic tongs and stretch out and retraction, to complete upper shackle and well head by bit manipulation.This hydraulic tongs carries moment of torsion and takes into account lap count, by electric control system controls, and the moment of torsion of shackle in guarantee and the automatic adjustment of the number of turns.
Box cupling monitoring device, mainly comprises two cover box cupling sensors and a set of specific links travel switch; First set box cupling sensor is arranged on the side of run-in index support near well head, is positioned at above power slip, to realize detection well head being treated to upper shackle box cupling; Another set of sensor mounting location higher than the former 9 to 10 meters, for detecting the tubing string upper end collar location after shackle, be convenient to coordinate tubing string to the transfer of automatic-discharging vertical tube box with tubing string conveyer; Specific links travel switch, is positioned at above sprocket wheel support platform, is arranged on the support of nearly well head side, when detecting that the clamping limb in specific links is through out-of-date, will send signal, triggering the flexible of automatic liquid pressing tongs and the chain crank mechanism that steps down and carrying out action.
Automation pipe box, is positioned at outside jack up unit and well head line, mainly comprises the compositions such as pipe carriage, fingerboard, guide track system, crosswise pushing device, longitudinal tapping equipment, longitudinal oscillation pusher, transverse shifting assembly.Each parts are installed on the pipe carriage above fingerboard above.Wherein, crosswise pushing device is positioned at directly over fixed guide, comprises fluid motor, ball screw framework and is arranged on the tubing string push pedal composition on feed screw nut, the tubing string transferred can be pushed between the fingerboard groove of specifying by tubing string conveyer; Transverse shifting assembly coordinates with the guide rail on two crossbeams before and after pipe carriage top, is driven by ball screw framework by fluid motor; Longitudinal tapping equipment is made up of chain-drive mechanism specific links being provided with tubing string push pedal, is installed on transverse shifting assembly; Longitudinal oscillation pusher, is made up of hydraulic cylinder, swing arm, is arranged on transverse shifting assembly together with moving guide rail system.
Described a kind of automation rountrip system and method for operating comprise following operating procedure:
1, hoist in well tubing string time rountrip plant automation operation comprise the following steps:
1), when bottom box cupling sensor detects that box cupling occurs, triggering signal, tackles single shackle; Now jack up unit dynamical system is stopped; Hydraulic tongs is promoted by telescopic hydraulic cylinder, moves to well head center, and power slip clamps wellhead column under thrust device effect; 2) hydraulic tongs centering tubing string, starts Automated shackle under electric control system controls; When shackle is complete, lap count sends signal; 3) if the tubing string length of now mentioning is 10m, then TC sensor triggers, and jack up unit dynamical system does not start, by body under tubing string conveyer main transferring arm clamping string collar; If now tubing string length is less than 10m, then TC sensor does not trigger, and jack up unit dynamical system starts, and continues to promote tubing string to predetermined altitude, triggers TC sensor, is then clamped by main transferring arm; 4) main transferring arm clamping tubing string, major-minor arm hydraulic cylinder bounces back simultaneously, after drive revolution 180 ° by rotating spindle, major-minor arm hydraulic cylinder stretches out, and tubing string is transferred to the fixed guide frame of automatic-discharging vertical tube box; Meanwhile hydraulic tongs is retracted along guide rail under extending cylinder effect, steps down; Chain step down mechanism swing recover, make step down sprocket wheel and the vertical conllinear of front jocket wheel, wait next round hoist; 5) after hydraulic tongs is retracted completely, lifting mechanism starts, the second sleeve clamp is driven to arrive the position stopping of hoisting, i.e. box cupling lower end position, now clamp head clamps box cupling under the effect of clamping fluid cylinder, power slip is driven by fluid cylinder and moves, and remove the locking to wellhead column, tubing string hoists with clamp head; 6) circulation step 1) to 5), until the hoisting of tubing string in completed well.
2, hoist in well tubing string time automation pipe box automation mechanized operation comprise the following steps:
1) transverse shifting assembly drives longitudinal tapping equipment, longitudinal oscillation pusher and the moving guide rail system being arranged on top to move to needs the fingerboard slot of filling to be set up; 2) tubing string is delivered to fixed guide receiving terminal by tubing string conveyer, and major-minor transferring arm fluid cylinder stretches out, and tubing string is pushed guide rail, and turns to guide rail, enters fixed guide longitudinal component; 3) on crosswise pushing device, fluid motor drives ball-screw-transmission, drives the push pedal be connected on nut, and the tubing string promoted on guide rail migrates to specifies fingerboard groove correspondence position; 4) longitudinal oscillation pusher is through fingerboard groove two heel post, and tubing string is sent into groove, and longitudinal tapping equipment promotes tubing string and continues to enter along fingerboard groove depth, specifies exhaust position until arrive.5), after current fingerboard groove is booked, transverse shifting assembly drives moving guide rail system to enter next groove correspondence position, repeats aforesaid operations, until the tubing string that hoists terminates.
When 3, transferring in tubing string to well from pipe box, rountrip system automation operating procedure is as follows:
1) the fingerboard slot that horizontal assembly drives longitudinal tapping equipment, longitudinal oscillation pusher and the moving guide rail system being arranged on top to move to output tubing string is set up; 2) longitudinal tapping equipment, is extrapolated to tubing string on guide track system, and tubing string is moved to guide rail receiving terminal by crosswise pushing device, waits for the action of tubing string conveyer; 3) major-minor transferring arm is rocked to pipe box receiving terminal, and main transferring arm clamping tubing string, rotates 180 °, be sent to by tubing string on well head center line; 4) now jack up unit chain drive system antiport, when main clamp arrives TC sensor, stops; After main clamp clamping string collar, main transferring arm unclamps tubing string, and bounces back under fluid cylinder effect, and secondary transferring arm maintains the original state; 5) jack up unit continues reverse starting, is transferred by tubing string, and when tubing string bottom arrives bottom box cupling sensing station, stop, hydraulic tongs stretches out under fluid cylinder effect, carries out the operation of upper button to tubing string; 6) upper button is complete, jack up unit reverse starting, and hydraulic tongs is retracted simultaneously, when upper end box cupling reaches well head assigned address, stops; 7) power slip action, clamping wellhead column, main clamp unclamps, jack up unit continue direction start, repeat 1) to 6) and operation, until tubing string is all transferred complete.
The present invention, owing to adopting above technical scheme, has possessed following advantage:
1, adopt chaindriven lifting mechanism, make tubing string state in motion process more stable, thus avoid the auxiliary type operations such as the centering of tubing string, simplify mechanism;
2, the advantage of chain-drive mechanism---moves in circles---and is played greatly, and equally distributed two cover main clamps, can periodic duty successively, greatly reduces idle stroke; And in the individual event operation process hoisting (or transferring) tubing string, mechanism's Unidirectional, avoids frequent commutation;
3, jack up unit side, be equipped with independently tubing string conveyer, the clamping device that hoists (hook of main clamp or conventional workover rig) can be freed from the transmission of tubing string, reduce that this activities temporally to take jack up unit, interference spatially, thus ensure the operating efficiency of lifting mechanism, improve the whole efficiency of system rountrip;
4, automation pipe box, can realize the automatic vertical discharge of tubing string, compact conformation, floor space is little, is convenient to handling, and significantly can reduces the labour intensity of workman, tubing string can be avoided the pollution in well site simultaneously.
5, compared to other automation workover treatments equipment, native system has the advantage that mechanism simple, floor space are little, operating automation degree is high.Simultaneously owing to have employed chain circulation lifting mechanism and special tubing string transmission and exhaust apparatus, liberate the operating efficiency of lifting mechanism, fundamentally can improve the efficiency of automation rountrip; Therefore the present invention has promotional value in oil field light maintenance operation.
Accompanying drawing explanation
Fig. 1 is integrated model conceptual scheme of the present invention
The partial view of Tu2Shi jack up unit mechanism
Fig. 3 is automatic-discharging pipe case structure conceptual scheme
Fig. 4 is the partial view of Fig. 3 part body
In Fig. 1: 1-run-in index support; 2-high velocity liquid motor; 3-transmission system (3-15 speed AMT speed changer, 3-2 planetary reducer); 4-lifting chain transmission mechanism (4-1 drive sprocket, 4-2 driving chain); 5-tubing string transmits assembly; The secondary transferring arm of 5-8; 6-automatic liquid pressing tongs; 7-hydraulic tongs bearing; 8-power slip; 9-well head workbench; 10-hydraulic leg; 11-sprocket wheel is stepped down mechanism; Box cupling sensor bottom 12-; 13-specific links travel switch; 14-TC sensor; 15-main clamp; 16-sprocket wheel support platform; 17-pipe carriage; 18-tubing string; 19-moves about guide rail box; The 20-guide rail decorum; 21-crosswise pushing device; 22-longitudinal oscillation pusher; 23-transverse shifting assembly; The longitudinal tapping equipment of 24-;
In Fig. 2: induction sprocket before 4-3; Induction sprocket after 4-4; 11-1 steps down sprocket wheel; 11-2 tensioning fluid cylinder; 11-3 steps down crank; 11-4 fluid motor; 5-1 fluid motor; 5-2 top-support; 5-3 internal gear deceleration device; 5-4 thrust bearing; The main turning arm of 5-5; The main transferring arm extending cylinder of 5-6; 5-7 clamping manipulator; 7-1 extending cylinder; 7-2 hydraulic tongs guide rail; 7-3 hydraulic tongs bearing; 8-1 slips; 8-2 rocking arm; 8-3 dovetail slip bearing; 8-4 push action cylinder; Repeat mark does not repeat, lower same;
In Fig. 3: 17-1 pipe box column; 17-2 top cross-bar; 17-3 fingerboard; 18-tubing string; 19-moves about guide rail box; 20-1 guide rail chain link; 20-2 fixed guide receiving terminal; 20-3 moving guide rail turns to end; 21-1 ball nut; The horizontal push pedal of 21-2; 21-3 fluid motor; 22-1 extending cylinder; 22-2 pendulum; 23-1 fluid motor; 23-2 ball-screw; 23-3 guide rail; 24-1 vertical chain; 24-2 longitudinally discharges sprocket wheel;
In Fig. 4: 24-3 longitudinally discharges push pedal, and all the other are the same, are not repeating;
Specific implementation method
Elaborated by embodiment below in conjunction with Figure of description:
As shown in Figure 1, this automation rountrip system mainly comprises an automation jack up unit and an automation tubing string treating apparatus.
Automation jack up unit, the mechanism of serving as frame mainly comprises run-in index support 1, well head workbench 9, sprocket wheel support platform 16 and top-support 5-1, is formed entirety with upper member mainly through welding; Groundwork mechanism is chain circulation lifting mechanism, comprises drive sprocket 4-1, driving chain 4-2, mechanism 11 stepped down by front and back guide wheel 4-3 and 4-4, chain and chain two overlaps main clamp 15 in specific links; Be designed with tubing string in addition and transmit assembly 5, be arranged on top-support 5-2, comprise the 5-7 such as fluid motor 5-1, internal gear deceleration device 5-3, thrust bearing 5-4, main turning arm 5-5 and main transferring arm extending cylinder 5-6, clamping manipulator; Well head workbench is provided with power slip 9, automatic liquid pressing tongs 6 and hydraulic tongs bearing 7;
Automation tubing string treating apparatus, from function divides, comprises aforementioned tubing string and transmits assembly 5 and automation pipe box.Automation pipe box comprises pipe carriage 17, travelling guide rail box 19, guide track system 20, crosswise pushing device 21, longitudinal oscillation pusher 22, transverse shifting assembly 23, longitudinal tapping equipment 24 etc.
By reference to the accompanying drawings 1,2,3,4, illustrate the operating process of this system automation rountrip:
1, hoist in well tubing string time rountrip plant automation operation comprise the following steps:
1), when bottom box cupling sensor 12 detects that box cupling occurs, triggering signal, tackles single shackle; Now jack up unit high velocity liquid motor 2 stops; Hydraulic tongs 6 is promoted by telescopic hydraulic cylinder 7-1, moves to well head center, and power slip 9 drives rocking arm 8-2 and slips 8-1 to clamp wellhead column under push action cylinder 8-4 effect;
2) hydraulic tongs 6 centering tubing string, starts Automated shackle under electric control system controls; When shackle is complete, lap count (not shown) sends signal;
3) if the tubing string length of now mentioning is 10m, then TC sensor 14 triggers, and jack up unit does not start, by body under the clamping manipulator 5-7 clamping string collar on tubing string transmission assembly 5; If now tubing string length is less than 10m, then TC sensor 14 does not trigger, and jack up unit high velocity liquid motor 2 starts, and continues to promote tubing string to predetermined altitude, triggers TC sensor 14, after clamped by clamping manipulator 5-7;
4) clamping manipulator 5-7 clamps tubing string, major and minor transferring arm extending cylinder 5-6 bounces back simultaneously, after drive revolution 180 ° by main turning arm 5-5, major and minor transferring arm extending cylinder 5-6 stretches out, and tubing string is transferred to the fixed guide receiving terminal 20-2 of self-action pipe box; Meanwhile hydraulic tongs 6 is retracted along hydraulic tongs guide rail 7-2 under extending cylinder 7-1 effect, steps down; Chain step down mechanism 11 step down crank 11-3 swing recover, make step down sprocket wheel 11-1 and the vertical conllinear of front induction sprocket 4-3, wait next round hoist;
5) after hydraulic tongs 6 is retracted completely, lifting mechanism high velocity liquid motor 2 starts, the second sleeve clamp 15 is driven to arrive the position stopping of hoisting, i.e. box cupling lower end position, now fixture clamps box cupling under the effect of clamping fluid cylinder, power slip 9 is driven by push action cylinder 8-4 and moves, remove the locking to wellhead column, tubing string hoists with fixture 15, when collar location passes by specific links travel switch 13, sprocket wheel is stepped down mechanism 11 counteragent, and the sprocket wheel 11-1 that makes to step down swings as the vertical conllinear of rear induction sprocket 4-4, abdicate pithead position, prepare next round shackle;
6) circulation step 1) to 5), until the hoisting of tubing string in completed well.
2, hoist in well tubing string time automation pipe box automation mechanized operation comprise the following steps:
1) transverse shifting assembly 23 drives longitudinal tapping equipment 24, longitudinal oscillation pusher 22 and the moving guide rail being arranged on top to turn to end 20-3, guide rail chain link 20-1 to move to needs the fingerboard slot of filling to be set up;
2) tubing string transmits assembly 5 and tubing string is delivered to fixed guide receiving terminal 20-2, and major-minor transferring arm extending cylinder 5-6 stretches out, and tubing string is pushed guide rail, and turns to guide rail, enter fixed guide longitudinal component;
3) on crosswise pushing device 21, fluid motor 21-3 drives ball-screw-transmission, drives the horizontal push pedal 21-2 be connected on ball nut 21-1, and the tubing string promoted on guide rail migrates to specifies fingerboard groove correspondence position;
4) longitudinal oscillation pusher 22 is through fingerboard groove two heel post, tubing string is sent in groove, longitudinal tapping equipment 24 middle sprocket 24-2 rotates, and drives the discharge of the longitudinal direction on vertical chain 24-1 push pedal 24-3 to promote tubing string 18 and continues to enter along fingerboard groove depth, specify exhaust position until arrive.
5), after current fingerboard groove is booked, transverse shifting assembly 23 drives moving guide rail to turn to end 20-3, guide rail chain link 20-1 to move to next groove correspondence position, repeats aforesaid operations, until the tubing string that hoists terminates.
When 3, transferring in tubing string to well from pipe box, rountrip system automation operating procedure is as follows:
1) transverse shifting assembly 23 drives longitudinal tapping equipment 24, longitudinal oscillation pusher 22 and the moving guide rail being arranged on top to turn to end 20-3, guide rail chain link 20-1 to move to needs the fingerboard slot exported to be set up;
2) longitudinal tapping equipment 24, is extrapolated on guide track system 20 by tubing string, tubing string is moved to fixed guide receiving terminal 20-2 by crosswise pushing device 21, waits for that tubing string transmits assembly 5 action;
3) major-minor transferring arm is under main turning arm 5-5 drives, and be rocked to fixed guide receiving terminal 20-2, clamping manipulator 5-7 clamps tubing string, and main turning arm 5-5 rotates 180 °, is sent to by tubing string on well head center line;
4) now jack up unit high velocity liquid motor 2 antiport, when main clamp 15 arrives TC sensor 14, stops; After main clamp 15 clamps string collar, clamping manipulator 5-7 unclamps tubing string, and bounces back under main transferring arm extending cylinder 5-6 effect, secondary transferring arm 5-8 holding position;
5) jack up unit high velocity liquid motor 2 continues reverse starting, is transferred by tubing string, and when tubing string bottom arrives box cupling sensor 12 position, bottom, stop, hydraulic tongs 6 stretches out under the effect of flexible 7-1 fluid cylinder, carries out the operation of upper button to tubing string;
6) upper button is complete, and jack up unit high velocity liquid motor 2 continues reverse starting, and hydraulic tongs 6 is retracted simultaneously, when upper end box cupling reaches well head assigned address, stops;
7) power slip 9 action, clamping wellhead column, main clamp 15 unclamps, and jack up unit high velocity liquid motor 2 continues running in the other direction, repeats 1) to 6) operation, until tubing string is all transferred complete in pipe box.
The various embodiments described above are only for illustration of the present invention, and wherein the structural union etc. of each parts all can change to some extent, and every equivalents of carrying out on the basis of technical solution of the present invention and improvement, all should not get rid of outside protection scope of the present invention.
Claims (6)
1. an automation rountrip system, comprising: a kind of chain type circulation jack up unit, power slip, automatic hydraulic tong, box cupling monitoring device, automation pipe box;
The chain type circulation jack up unit related to, is consigned by flat bed trailer, hydraulic pressure automatic lifting; Its power assembly, comprises hydraulic motor, electronic type automatic transmission (AMT), reducer, is arranged on the top-support of run-in index support, drives drive sprocket; The two sleeve clamp compositions that lifting mechanism is stepped down in mechanism, chain and specific links primarily of drive sprocket, former and later two jockey sprockets, crank, wherein two sleeve clamps are uniformly distributed according to chain total length, circulate through well head successively to realize rotating with chain, hoist tubing string; The lower end of run-in index support is provided with two hydraulic legs and well head workbench, and height of table can be set up according to actual conditions by supporting leg; Power slip installed by well head workbench, its centre of gyration centering well head; In addition the side, front of workbench is welded with telescopic rail support and the guide rail of automatic liquid pressing tongs, to install automatic liquid pressing tongs; The middle part of run-in index support, above well head workbench, is provided with sprocket wheel support platform, platform is installed jockey sprocket and chain crank and to step down mechanism; Below top-support, the supporting leg top relative with hydraulic tongs support, tubing string conveyer assembly is installed, comprise hydraulic motor, internal gear reducer, power transmission shaft, thrust bearing, main turning arm, main transferring arm, secondary transferring arm, wherein main transferring arm is arranged on the top of main turning arm, inner installation telescopic hydraulic cylinder and compression hydraulic cylinder, can realize flexible and pinching action; And secondary transferring arm only installs telescopic hydraulic cylinder, chucking opening, plays the effect of stable tubing string.
2. a kind of automation rountrip system as claimed in claim 1, is characterised in that power slip, is arranged on well head workbench, aligns with well head center; Comprise slips, fixing spider, hydraulic cylinder, rocking arm, connecting rod; Hydraulic cylinder be fixed on rocking arm pin shaft joint on slips body, drive the connecting rod connected with slips, drive slips slides up and down along step conic in fixing spider, realizes the clamping of tubing string and loosens.
3. a kind of automation rountrip system as claimed in claim 1, be characterised in that automatic hydraulic tong is arranged on well head workbench side, connected by guide rail with between support, in guide rail, telescopic hydraulic cylinder is installed, promote hydraulic tongs to stretch out and retraction, to complete upper shackle and well head by bit manipulation; This hydraulic tongs carries moment of torsion and takes into account lap count, by electric control system controls, and the moment of torsion of shackle in guarantee and the automatic adjustment of the number of turns.
4. a kind of automation rountrip system as claimed in claim 1, is characterised in that box cupling monitoring device, mainly comprises two cover box cupling sensors and a set of specific links travel switch; First set box cupling sensor is arranged on the side of run-in index support near well head, is positioned at above power slip, to realize detection well head being treated to upper shackle box cupling; Another set of sensor mounting location higher than the former 9 to 10 meters, for detecting the tubing string upper end collar location after shackle, be convenient to coordinate tubing string to the transfer of automatic-discharging vertical tube box with tubing string conveyer; Specific links travel switch, is positioned at above sprocket wheel support platform, is arranged on the support of nearly well head side, when detecting that the clamping limb in specific links is through out-of-date, will send signal, triggering the flexible of automatic liquid pressing tongs and the chain crank mechanism that steps down and carrying out action.
5. a kind of automation rountrip system as claimed in claim 1, be characterised in that automation pipe box, be positioned at outside jack up unit and well head line, primarily of pipe carriage, fingerboard, guide track system, crosswise pushing device, longitudinal tapping equipment, longitudinal oscillation pusher, transverse shifting assembly composition, guide track system, crosswise pushing device, longitudinal tapping equipment, longitudinal oscillation pusher, transverse shifting assembly are installed on the pipe carriage above fingerboard; Wherein, crosswise pushing device is positioned at directly over guide track system, is made up of hydraulic motor, ball screw framework and the tubing string push pedal be arranged on feed screw nut, the tubing string transferred can be pushed between the fingerboard groove of specifying by tubing string conveyer; Transverse shifting assembly coordinates with the guide rail on two crossbeams before and after pipe carriage top, is driven by ball screw framework by hydraulic motor; Longitudinal tapping equipment is made up of chain-drive mechanism specific links being provided with tubing string push pedal, is installed on transverse shifting assembly; Longitudinal oscillation pusher, is made up of hydraulic cylinder, swing arm, is arranged on transverse shifting assembly together with moving guide rail system.
6. the method for operating of a kind of automation rountrip system as claimed in claim 1, comprises following operating procedure:
Step one, hoist in well tubing string time rountrip plant automation operation comprise the following steps:
1), when bottom box cupling sensor detects that box cupling occurs, triggering signal, tackles single shackle; Now jack up unit dynamical system is stopped; Hydraulic tongs is promoted by telescopic hydraulic cylinder, moves to well head center, and power slip clamps wellhead column under thrust device effect;
2) hydraulic tongs centering tubing string, starts Automated shackle under electric control system controls; When shackle is complete, lap count sends signal;
3) if the tubing string length of now mentioning is 10m, then TC sensor triggers, and jack up unit dynamical system does not start, by body under tubing string conveyer main transferring arm clamping string collar; If now tubing string length is less than 10m, then TC sensor does not trigger, and jack up unit dynamical system starts, and continues to promote tubing string to predetermined altitude, triggers TC sensor, is then clamped by main transferring arm;
4) main transferring arm clamping tubing string, major-minor arm hydraulic cylinder bounces back simultaneously, after drive revolution 180 ° by main turning arm, major-minor arm hydraulic cylinder stretches out, and tubing string is transferred to the fixed guide frame of automatic-discharging vertical tube box; Meanwhile hydraulic tongs is retracted along guide rail under telescopic hydraulic cylinder effect, steps down; Chain step down mechanism swing recover, make step down sprocket wheel and the vertical conllinear of front jocket wheel, wait next round hoist;
5) after hydraulic tongs is retracted completely, lifting mechanism starts, the second sleeve clamp is driven to arrive the position stopping of hoisting, i.e. box cupling lower end position, now main clamp clamps box cupling under clamping hydraulic cylinder effect, power slip is driven by hydraulic cylinder and moves, and remove the locking to wellhead column, tubing string hoists with main clamp;
6) circulation step 1) to 5), until the hoisting of tubing string in completed well:
Step 2, hoist in well tubing string time automation pipe box automation mechanized operation comprise the following steps:
1) transverse shifting assembly drives longitudinal tapping equipment, longitudinal oscillation pusher and the moving guide rail system being arranged on top to move to needs the fingerboard slot of filling to be set up;
2) tubing string is delivered to fixed guide receiving terminal by tubing string conveyer, and major-minor transferring arm hydraulic cylinder stretches out, and tubing string is pushed guide rail, and turns to guide rail, enters fixed guide longitudinal component;
3) fluid motor-driven ball-screw-transmission on crosswise pushing device, drives the push pedal be connected on nut, and the tubing string promoted on guide rail migrates to specifies fingerboard groove correspondence position;
4) longitudinal oscillation pusher is through fingerboard groove two heel post, and tubing string is sent into groove, and longitudinal tapping equipment promotes tubing string and continues to enter along fingerboard groove depth, specifies exhaust position until arrive;
5), after current fingerboard groove is booked, transverse shifting assembly drives moving guide rail system to enter next groove correspondence position, repeats aforesaid operations, until the tubing string that hoists terminates;
Step 3, rountrip system automation operating procedure is as follows when transferring in tubing string to well from pipe box:
1) the fingerboard slot that transverse shifting assembly drives longitudinal tapping equipment, longitudinal oscillation pusher and the moving guide rail system being arranged on top to move to output tubing string is set up;
2) longitudinal tapping equipment, is extrapolated to tubing string on guide track system, and tubing string is moved to guide rail receiving terminal by crosswise pushing device, waits for the action of tubing string conveyer;
3) major-minor transferring arm is rocked to pipe box receiving terminal, and main transferring arm clamping tubing string, rotates 180 °, be sent to by tubing string on well head center line;
4) now jack up unit chain drive system antiport, when main clamp arrives TC sensor, stops; After main clamp clamping string collar, main transferring arm unclamps tubing string, and bounces back under hydraulic cylinder effect, and secondary transferring arm maintains the original state;
5) jack up unit continues reverse starting, is transferred by tubing string, and when tubing string bottom arrives bottom box cupling sensing station, stop, hydraulic tongs stretches out under hydraulic cylinder effect, carries out the operation of upper button to tubing string;
6) upper button is complete, jack up unit reverse starting, and hydraulic tongs is retracted simultaneously, when upper end box cupling reaches well head assigned address, stops;
7) power slip action, clamping wellhead column, main clamp unclamps, and jack up unit continues to start in the other direction, repeats 1) to 6) operation, until tubing string is all transferred complete.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104389532B (en) * | 2014-01-13 | 2016-03-02 | 中国石油化工股份有限公司 | A kind of alternative well head manually-operated mechanization workover treatment system |
| CN104895512A (en) * | 2014-03-06 | 2015-09-09 | 中国石油化工股份有限公司 | Network power supply intelligent well workover system |
| CN104405302B (en) * | 2014-10-16 | 2017-02-15 | 中国石油大学(华东) | Novel tubular column type vertical sidelong full-automatic hydraulic intelligent workover rig |
| CN105569584B (en) | 2015-03-27 | 2017-02-08 | 中国石油化工股份有限公司 | Device and method for oil pipe automatic discharge |
| CN106593333B (en) * | 2016-11-29 | 2021-06-25 | 大庆市汇通建筑安装工程有限公司 | Oil well operation integrated platform device |
| CN108691513B (en) * | 2018-07-09 | 2023-12-01 | 北京威力清矿山控制技术有限公司 | Automatic operating system and device for lifting and discharging pipe and transporting pipe of wellhead under-pressure operation |
| CN110359862A (en) * | 2019-08-29 | 2019-10-22 | 北部湾大学 | A kind of oil field auxiliary downhole tool removes single device and removes single method |
| US10808467B1 (en) * | 2019-10-18 | 2020-10-20 | Kye M Haley | Retractable tubular holdback line system and method |
| CN111594070B (en) * | 2020-07-03 | 2024-06-07 | 胜利油田胜机石油装备有限公司 | Power elevator |
| CN111911097A (en) * | 2020-07-31 | 2020-11-10 | 中国海洋大学 | Automatic operation system and operation method for oilfield major workover operation |
| CN112814584B (en) * | 2021-01-14 | 2021-12-17 | 山东大学 | Automatic processing device suitable for petroleum drilling pipe column and working method thereof |
| CN112796686B (en) * | 2021-03-19 | 2023-04-28 | 东营恒源机械制造有限公司 | Automatic calandria device for oil field workover operation |
| CN113289423B (en) * | 2021-05-31 | 2022-12-09 | 兰州华亮自动化电子科技有限公司 | Automatic cloth bag replacing device of bag type dust collector |
| CN117190964B (en) * | 2023-11-06 | 2024-02-23 | 江苏源达恒汽车配件有限公司 | Gap detection device of steering column assembly |
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| CN102449259A (en) * | 2009-06-01 | 2012-05-09 | 国民油井华高有限公司 | Pipe stand transfer systems and methods |
| CN102704868A (en) * | 2012-06-19 | 2012-10-03 | 通化石油化工机械制造有限责任公司 | Split-type remote control pressurized operation workover rig |
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| CN1450246A (en) * | 2003-04-18 | 2003-10-22 | 崔时光 | Automatic service rig for oil field |
| US7152672B1 (en) * | 2005-10-27 | 2006-12-26 | Gipson Tommie C | Combination workover and drilling rig |
| CN102449259A (en) * | 2009-06-01 | 2012-05-09 | 国民油井华高有限公司 | Pipe stand transfer systems and methods |
| CN101725326A (en) * | 2009-07-24 | 2010-06-09 | 胜利油田山友石油技术有限公司 | Modular assembly type offshore platform hydraulic energy-storing workover rig |
| CN102704868A (en) * | 2012-06-19 | 2012-10-03 | 通化石油化工机械制造有限责任公司 | Split-type remote control pressurized operation workover rig |
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