CN101059064A - Full-automatic pressurized operation machine - Google Patents

Full-automatic pressurized operation machine Download PDF

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Publication number
CN101059064A
CN101059064A CN 200610046368 CN200610046368A CN101059064A CN 101059064 A CN101059064 A CN 101059064A CN 200610046368 CN200610046368 CN 200610046368 CN 200610046368 A CN200610046368 A CN 200610046368A CN 101059064 A CN101059064 A CN 101059064A
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CN
China
Prior art keywords
oil pipe
oil
lifting
hydraulic
fluid port
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CN 200610046368
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Chinese (zh)
Inventor
霍春林
李文忠
朱玉军
项凤义
霍春山
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FUXIN CHIYU PETROLEUM MACHINERY Co Ltd
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FUXIN CHIYU PETROLEUM MACHINERY Co Ltd
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Priority to CN 200610046368 priority Critical patent/CN101059064A/en
Publication of CN101059064A publication Critical patent/CN101059064A/en
Pending legal-status Critical Current

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Abstract

The present invention belongs to well servicing petroleum machinery, in particular relates to a fully automatic belt-press working rig, it solves the technical problems of preventing well fluid eject in the process of oil field belt-press well lift oil pipes up and down. It consists of upper ram totally-enclosed device 1, oil pipe clamp 3, double-ram totally-enclosed device 5, lower ram totally-enclosed device 7, operating platform10, hydraulic device, control device, drainage device, discharging shelf, hydraulic lifting device 2 which middle is equipped with salvage device 4, lower is sequentially equipped with multiple sectionalised oil pipe fixing clamp 6 and oil pipe coupling monitor device 8 and the outboard is equipped with grab pipe device 9. The lifting, demounting and installing oil pipes is completed in the closed cavity, one lifting can lift out one oil pipe, the lifting up and down oil pipes operation is processed according program, it achieves automatic control, confined operation, reliable movement, safety and environmental protection of well servicing operation.

Description

Full-automatic pressurized operation machine
Technical field the invention belongs to the well workover petroleum machinery, particularly a kind of full-automatic pressurized operation machine of workover treatment.
Background technology Chinese patent CN89202819.X, name is called " all-hydraulic preventing spraying operation machine ", Chinese patent CN200420070300.9, name is called " preventing spraying operation machine ", these two kinds of patented technologies disclose in workover treatment, use the hoist engine on the workover rig, need operating worker to stand in operation on 3~5 meters the platform, use self-sealing blowout preventer and partly seal a kind of device that blowout preventer prevents liquid ejection in the oil well, use traveling slip and stationary slip to promote oil pipe, the position of oil pipe and tubing coupling is determined in range estimation, uses the oil pipe of carrying on the hoist engine after the dismounting, be the semi open model Work machine, have following technical deficiency:
A, the glue core long term wear of using self-sealing blowout preventer and partly sealing blowout preventer are damaged easily, make the fluid ejection in the oil well.
B, such equipment availability will use tubing plug shutoff oil pipe, cause seepage and spray well liquid when stopping up inefficacy.
C, because be subjected to structural limitations, on the well head fixed operation platform need be set, stationary slip can not surmount job platform, promoting oil pipe is the dynamic operation, because of the stroke of position of platform restriction elevating ram, oil pipe of operation needs classification, repeatedly promotes and just can put in place.
D, the position of determining oil pipe and box cupling are by operator's range estimation, the upper and lower position deviation that causes easily, and the position can not accurately be located when needs stop,, can not realize that oil pipe removes the automation of production.
E, with the oil pipe of carrying on the hoist engine after the dismounting, when oil pipe is thrown off when partly sealing device, oil pipe retain fluid to around spray, cause environment pollution.
The dismounting of f, oil pipe and tubing coupling or attaching are to be finished by manual work, influence operating speed and operation effectiveness.
Summary of the invention the objective of the invention is to overcome the prior art deficiency, and the full-automatic pressurized operation machine of a kind of automatic control, airtight operation, reliable in action, safety and environmental protection is provided.
Task of the present invention is full-automatic pressurized operation machine, order is installed flashboard and is sealed entirely that device, hydraulic lifting oil pipe device, hydraulic tubing tong, double disc seal the fixing pincers of device, multi-spot segmentation entirely, lower flashboard seals device, oil pipe coupling monitoring device entirely on the well head in oil field, constitute an airtight ring cavity, the middle part of ring cavity is provided with tube-grasping device and seals device entirely with upper flashboard and be threaded, oil pipe and dismounting or attaching task in ring cavity, have been finished, have played during operation, wherein, to seal device entirely be at top plugged well mouth pressure to upper flashboard; Hydraulic lifting oil pipe device is used for carrying or following pressuring oil pipe; Tube-grasping device uses claw to shrink and blocks the oil pipe pipe collar, makes under the hydraulic lifting device drives and carries on the oil pipe or press down; Flashboard work when double disc seals the device operation entirely, the another flashboard is standby, and the work flashboard is used for fluid pressure under the plugged well; Tubing tongs is finished the dismounting or the attaching work of oil pipe and box cupling; The fixing pincers basis of multi-spot segmentation rises, following oil pipe operation needs, and multiposition is realized the work of chucking oil pipe; Lower flashboard seals device fluid pressure in the plugged well when handling above equipment fault entirely; Be provided with in the oil pipe coupling monitoring device near switch, because oil pipe is connected with box cupling with oil pipe, send a switching value signal when each tubing coupling arrives near the position of the switch, be transferred to control device, make oil pipe continue to carry out after mobile certain position stops oil pipe dismounting or attaching operation.
Tube-grasping device, dewatering installation, discharging frame, job platform, hydraulic means and control device are installed in side at device, are put into the discharging frame or catch oil pipe to put into lifting device from the discharging frame tube-grasping device proposes the oil pipe chucking from hydraulic lifting oil pipe device after; Dewatering installation drains the fluid more than the flashboard cutting out after upper flashboard seals device and double disc entirely and seal device entirely; The discharging frame is used for placing the outer oil pipe of well; Job platform is in order to install and repair apparatus; Hydraulic means guarantees the fluid supply of each hydraulic actuator of complete machine, and one provides pressure, the 2nd, and dependable flow; Control device is realized the electrical control of complete machine on the one hand, and the motion control system of being made up of travel switch, angle switch, the dragline type sensor near switch and relevant position setting of tubing coupling supervising device is realized the automation of complete machine operation on the other hand.
A kind of full-automatic pressurized operation machine that plays, descends operation that is used for oil field well workover oil pipe, comprise that sealing device, tubing tongs, double disc entirely by upper flashboard seals device, lower flashboard entirely and seal device, job platform, hydraulic means, control device, dewatering installation, discharging frame entirely and form, fishing device is installed at the middle part that also comprises hydraulic lifting oil pipe device, the bottom is installed multi-spot segmentation oil pipe fixing clamp, oil pipe coupling monitoring device in proper order, and tube-grasping device is installed in the outside:
The external successively sealing shroud of the oily inner cylinder sleeve of described hydraulic lifting oil pipe device, external second piston and first stage piston constitute ring cavity, the external oil cylinder that tubing interface is set and tubing interface and flange are set down, first stage piston set up oilhole up and down separately, second piston upper end screw thread adpting flange.
External interior suit lower piston rod of following oil cylinder and the interior lower slips of installing of bolted lower slips guide rail chute that oil connection is set in the lower housing portion both sides of the fixing pincers of described multi-spot segmentation articulates, during the both sides, middle part of housing are provided with in the oil cylinder in the socket piston rod (the middle slips of installation articulates in 2 chutes with middle slips guide rail through the slide valve housing, the slide valve housing radially is provided with shape chamber, the left and right sides, end bolt connects the flashboard that suit slide valve piston rod and the right ring cavity of slide valve housing are installed in the slide valve oil cylinder that the slide valve end cap is provided with oil connection and articulates, and the both sides, top of housing are external to be provided with and to install slips in the interior suit upper piston rod of upper cylinder of oil connection and the upper slips guide rail chute and articulate.
Lock pressing spring in the ring cavity that the inner core of described tube-grasping device and urceolus constitute, inside and outside cylindrical shell bottom is provided with in the symmetrical in twos slotted hole, carry axis pin base on affixed, the affixed axis pin base that presses down, bearing pin connects upper lifting claw and lower pressing claw, and the poor crimping steel ball of annular circle, spring, lock-screw are set on the outer wall of inner core, the axial slide and the pin that are provided with slip, steel ball is set in the inner core upper end and the top connection lower end articulates, and top is provided with the ring cavity inwall and offers strip hole insert double-parabolic slab reed, center crimping wiper block.
The middle part bilateral symmetry is laid in the X-shaped centralizer body and is connect oil pipe in the shell cavity of described oil pipe coupling monitoring device, in the axle bed of centralizer body left and right sides correspondence position in the fixedly connected centralizer body of hollow shaft of socket compression spring near switch.
Connect the affixed flexible pipe device of grabbing of lifter normal direction on the reducer of described tube-grasping device, suit fluid distributor on the lifter, the affixed reduction box housing of the back shaft of reducer, in driving gear is set, driven gear, connecting worm and worm wheel meshes successively, the outer affixed worm gear built-in bearing bolt of support set connects the hoist cylinder of lifter, the axial location back shaft, be provided with and connect bearing holder (housing, cover) in the fluid dispenser sleeve of the fluid distributor that hydraulic fluid port takes over and be contained in outside the hoist cylinder, the hoist cylinder of lifter connects the outer oil pipe of telescopic oil circuit and oil circuit inner oil tube in successively and is communicated with hydraulic fluid port respectively and takes over to hydraulic fluid port and take over, hoist cylinder is provided with to be installed lifting piston rod upper end screw thread in the ring cavity to be connected and fixed cover affixed with the oil circuit inner oil tube, the flexible pipe device of grabbing is provided with to connect in the telescopic oil cylinder that hydraulic fluid port takes over the flexible piston rod that hydraulic fluid port is taken over is set, connect card pipe piston rod thread in the flexible piston rod stomidium and connect adapter sleeve, the bearing pin plate that is articulated and connected, flexible external fixed head in piston rod end and connecting rod, tubing clamp, the hinged composition of junction plate crocodile shape of the mouth as one speaks jaw.
A kind of full-automatic pressurized operation machine that plays, descends operation that is used for oil field well workover oil pipe, comprise that sealing device, tubing tongs, double disc entirely by upper flashboard seals device, lower flashboard entirely and seal device, job platform, hydraulic means, control device, dewatering installation, discharging frame entirely and form, fishing device is installed at the middle part that also comprises hydraulic lifting oil pipe device, the bottom is installed multi-spot segmentation oil pipe fixing clamp, oil pipe coupling monitoring device in proper order, and tube-grasping device is installed in the outside:
The inner core suit urceolus of following drain line fishing device, steel ball is set in the upper end and the top connection lower end articulates, lock pressing spring in the ring cavity that inner core and urceolus constitute, inner core, urceolus bottom slip install in the symmetrical in twos slotted hole of sliding sleeve setting upper lifting claw axle bed, lower pressing claw axle bed, in connect bearing pin suit torsion spring and connect L shaped upper lifting claw and L shaped lower pressing claw, outer cylinder diameter is to steel ball, spring, lock-screw crimping inner core semi-round ring shape groove are installed, urceolus is provided with pin and slips the inner core axial slide, top connection top is provided with the ring cavity inwall and offers slotted hole insert double-parabolic slab reed, center clamping wiper block.
Hydraulic lifting oil pipe device, multi-spot segmentation oil pipe fixing clamp, oil pipe coupling monitoring device, tube-grasping device structure are same as above.
Described full-automatic pressurized operation machine is provided with inner convex platform in the set upper side in the oil cylinder of hydraulic lifting oil pipe device.
Full-automatic pressurized operation machine of the present invention compared with prior art has following beneficial effect:
A, full-automatic pressurized operation machine of the present invention, the lifting of oil pipe in operation, dismounting or attaching work are finished in airtight shape chamber, during the plane, do not have liquid, compliance with environmental protection requirements in the oil pipe cavity on the oil pipe separating device;
Stroke 〉=the 10.7m of b, the design's hydraulic lifting oil cylinder, the oil pipe maximum length 10m of oil field regulation so a lifting can propose an oil pipe, increases work efficiency 3~5 times;
The shift position of c, tubing coupling is by the dragline type sensor monitors in oil pipe coupling monitoring device and the control device, is controlled the ascending, descending of hydraulic lifting oil cylinder, is stopped by computer programs in the control device again, and action accurately and reliably;
When d, full-automatic pressurized operation machine work, be input to the computer memory system of control device with raising and decentralizing oil pipe sequence of movement performing a programme, each step in the operation is carried out at action implementation follow procedure, realizes monitoring, the control automation of workover treatment.
Description of drawings specifies with embodiment below in conjunction with accompanying drawing.
Fig. 1 shows full-automatic pressurized operation machine structure full figure, and Figure 1A, Figure 1B, Fig. 1 C show three fens constitutional diagrams of full-automatic pressurized operation machine.
Fig. 2 shows another example structure of full-automatic pressurized operation machine figure.
The A-A sectional view of Fig. 3 diagrammatic sketch 1.
The B-B sectional view of Fig. 4 diagrammatic sketch 1.
Carry oil pipe operation partial enlarged drawing I on Fig. 5 diagrammatic sketch 1.
The A-A sectional view of Fig. 6 diagrammatic sketch 4.
The following drain line operation post enlarged drawing I ' of portion of Fig. 7 diagrammatic sketch 2.
The A-A sectional view of Fig. 8 diagrammatic sketch 7.
Among the figure, 1, upper flashboard seals device entirely;
2, hydraulic lifting oil pipe device; 2-1, flange; 2-2, hydraulic fluid port are taken over; 2-3, first stage piston; 2-4, oil cylinder; 2-5, hydraulic fluid port; 2-6, second piston; 2-7, sealing shroud; 2-8, oily inner cylinder sleeve; 2-9, hydraulic fluid port; 2-10, hydraulic fluid port are taken over; 2-11, flange;
3, hydraulic tubing tong; 3-1, hydraulic motor; 3-2, bull gear; 3-3, driven wheel; 3-4, slips;
4, fishing device; 4-1, inner core; 4-2, bearing pin; 4-3, upper lifting claw; 4-4, lower pressing claw; 4-5, spring; 4-6, urceolus; 4-7, top connection; 4-8, steel ball; 4-9, felt; 4-10, steel ball; 4-11, lock-screw; 4-12, spring; 4-13, pin; 4-14, lower pressing claw axle bed; 4-15, upper lifting claw axle bed; 4-16, torsion spring; 4-17, pad; 4-18, cottor pin; 4-19, plate spring sheet; 4-20, wiper block; 4-21, sliding sleeve;
5, double disc seals device entirely; 5-1, hydraulic fluid port are taken over; 5-2, piston rod; 5-3, hydraulic fluid port are taken over; 5-4, slips;
6, the fixing pincers of multi-spot segmentation; 6-1, slide valve housing; 6-2, middle oil cylinder; 6-3, hydraulic fluid port are taken over; 6-4, hydraulic fluid port are taken over; 6-5, lower slips guide rail; 6-6, middle slips; 6-7, housing; 6-8, middle piston rod; 6-9, flashboard; 6-10, glue core; 6-11, pressing plate; 6-12, lower slips; 6-13, following oil cylinder; 6-14, hydraulic fluid port are taken over; 6-15, lower piston rod; 6-16, hydraulic fluid port are taken over; 6-17, middle slips guide rail; 6-18, tubing interface; 6-19, upper cylinder; 6-20, hydraulic fluid port are taken over; 6-21, upper piston rod; 6-22, upper slips; 6-23, hydraulic fluid port are taken over; 6-24, slide valve oil cylinder; 6-25, slide valve piston rod; The 6-26 hydraulic fluid port is taken over;
7, lower flashboard seals device entirely;
8, oil pipe coupling monitoring device; 8-1, switch lead-out wire; 8-2, axle bed; 8-3, spring; 8-4, hollow shaft; 8-5, housing; 8-6, centralizer body; 8-7, saturating window; 8-8, near switch
9, tube-grasping device; 9-1, reducer; 9-1-1, back shaft; 9-1-2, reducer shell; 9-1-3, worm gear; 9-1-4, bearing; 9-1-5, bolt; 9-1-6, driving gear; 9-1-7, driven gear; 9-1-8, worm screw; 9-1-9, fixed cover; 9-2, fluid distributor; 9-2-1, bearing cover; 9-2-2, bearing; 9-2-3, hydraulic fluid port are taken over; 9-2-4, hydraulic fluid port are taken over; The 9-2-5 hydraulic fluid port is taken over; 9-2-6, fluid dispenser sleeve; 9-3, lifter; 9-3-1, lifting piston rod; 9-3-2, hoist cylinder; 9-3-3, the outer oil pipe of oil circuit; 9-3-4, oil circuit inner oil tube; 9-3-5, hydraulic fluid port are taken over; 9-3-6, hydraulic fluid port are taken over; 9-3-7, fixed cover; 9-4 grabs the pipe device; 9-4-1, hydraulic fluid port oil pipe; 9-4-2, telescopic oil cylinder; 9-4-3, flexible piston rod; 9-4-4, hydraulic fluid port are taken over; 9-4-5, hydraulic fluid port are taken over; 9-4-6, hydraulic fluid port are taken over; 9-4-7, card pipe piston rod; 9-4-8, bearing pin; 9-4-9, connecting rod; 9-4-10, adapter sleeve; 9-4-11, bearing pin; 9-4-12, bearing pin; 9-4-13, junction plate; 9-4-14, bearing pin; 9-4-15, tubing clamp;
10, job platform
The invention will be further described below in conjunction with accompanying drawing for the specific embodiment.
On propose the oil pipe operation: with reference to accompanying drawing 1, Fig. 3, Fig. 4, Fig. 5, Fig. 6 full-automatic pressurized operation machine is closed upper flashboard and is sealed device 1 entirely, open double disc and seal device 5 work flashboards entirely, hydraulic lifting oil pipe device 2 drops to lower dead center, the inner core 4-1 of fishing device 4 makes spring 4-5 compression by the E plane of the middle slips 6-6 of collision multi-spot segmentation oil pipe fixing clamp 6, urceolus 4-6 and inner core 4-1 produce relative displacement, upper lifting claw 4-3, lower pressing claw 4-4 radial contraction is blocked on the upper tubing coupling 11-4, the lower surface, the following oil cylinder 6-13 of the fixing pincers 6 of multi-spot segmentation is provided with hydraulic fluid port and takes over the 6-16 oil-feed, it is fuel-displaced that hydraulic fluid port is taken over 6-14, move after making lower piston rod 6-15 drive lower slips 6-12, the hydraulic fluid port of middle oil cylinder 6-2 is taken over the 6-4 oil-feed, it is fuel-displaced that hydraulic fluid port is taken over 6-3, move to stop after making piston rod 6-8, hydraulic lifting oil pipe device 2 fluid are taken over 2-2 through hydraulic fluid port and are entered oil cylinder 2-4 and sealing shroud 2-7, the ring cavity that oil inner cylinder sleeve 2-8 constitutes, fluid in oil cylinder 2-4 and the second piston 2-6 formation ring cavity is through hydraulic fluid port 2-9, hydraulic fluid port 2-5 takes over 2-10 by hydraulic fluid port and flows out, promote first stage piston bar 2-3, second piston rod 2-6, flange 2-11, upper flashboard seals device 1 entirely and fishing device 4 rises, when first stage piston bar 2-3 rises to the inner convex platform of oil cylinder 2-4 setting, first stage piston bar 2-3 stops, second piston rod 2-6 continues to rise, fishing device 4 upper lifting claw 4-3, the upper tubing coupling 11-4 of the blocking of lower pressing claw 4-4 is together with oil pipe 11-3, move on the 11-1, when the next tubing coupling 11-2 is moved to oil pipe monitoring device 8 and is provided with near switch 8-8 position, computer control system is sent a switching value signal, program by dragline type sensor and computer, record tubing coupling 11-2 shift length when tubing coupling 11-2 is moved to the upper surface of slips 6-6 in the fixing pincers 6 of multi-spot segmentation 〉=5mm, stops 2 actions of hydraulic pressure lifting device, the middle oil cylinder 6-2 of the fixing pincers 6 of multi-spot segmentation is provided with hydraulic fluid port and takes over the 6-3 oil-feed, it is fuel-displaced that hydraulic fluid port is taken over 6-4, and oil pipe 11-1 is blocked in middle slips 6-6 reach, and upper cylinder 6-19 is provided with hydraulic fluid port and takes over the 6-18 oil-feed, it is fuel-displaced that hydraulic fluid port is taken over 6-20, tubing coupling 11-2 is blocked in upper slips 6-22 reach, and the hydraulic motor running of hydraulic tubing tong 3 drives reducer and drives the 3-3 gear, driving bull gear 3-2 rotates, the ramp inclined-plane promotes slips 3-4 radial contraction, blocks oil pipe 11-2 and is rotated counterclockwise, and lays down the upper oil pipe 11-3 the next tubing coupling 11-2 that is threaded, the lower surface that hydraulic lifting device 2 second piston rod 2-6 rise to oil pipe 11-1 stops when surmounting on the work flashboard that double disc seals device 5 full the plane, close double disc and seal the work flashboard of device 5 entirely, oil pipe 11-1 is blocked in the lower slips 6-12 reach of the fixing pincers 6 of multi-spot segmentation, and middle slips 6-6 retreats to stop, move on to stop behind the upper slips 6-22, hydraulic lifting oil pipe device 2 second piston rod 2-6 rise to top dead centre, at this moment, and the urceolus 4-6 upper surface of the inner convex platform collision fishing device 4 that the oily inner cylinder sleeve 2-8 upper end of hydraulic lifting oil pipe device 2 is provided with, urceolus 4-6 and inner core 4-1 produce relative displacement, upper lifting claw 4-3, lower pressing claw 4-4 outwards opens under the effect of torsion spring 4-16, unclamps tubing coupling 11-4, starts the pump motor of dewatering installation, upper flashboard sealed the fluid that device 1 and double disc seal between the device 5 entirely entirely and discharges during water pump will install, open upper flashboard and seal device 1 entirely, hydraulic lifting oil pipe device 2 fluid enter the outer ring cavity that the external oil cylinder 2-4 of first stage piston 2-3 constitutes through tubing interface 2-10, set up the following oilhole 2-5 of connection successively separately through first stage piston 2-3, upper oil hole 2-9 enters and connects the interior ring cavity that second piston 2-6 constitutes in the first stage piston 2-3, promote first stage piston 2-3 successively, second piston 2-6 descends, by oily inner cylinder sleeve 2-8 and oil cylinder 2-4 socket sealing shroud 2-8 successively, second piston 2-6, first stage piston 2-3 and oil cylinder 2-4 constitute ring cavity down, and fluid is taken over 2-2 through hydraulic fluid port down and flowed out, and the inner core 4-1 lower surface that drops to fishing device 4 stops when sealing plane on the work flashboard of device 5 〉=25mm entirely apart from double disc, at this moment, start tube-grasping device 9 reducer motor, external driving gear 9-1-6 engagement driven gear 9-1-7 of back shaft 9-1 and worm screw 9-1-8, worm gear 9-1-3, lifter 9-3, grab pipe device 9-4 and turn clockwise 120-240 °, fluid is taken over 9-2-5 through the hydraulic fluid port of fluid dispenser sleeve 9-2-6 and is entered hoist cylinder 9-3-2 annular chamber, promote the lifting piston rod 9-2-7 of installation in the annular chamber and affixed fixed cover 9-2-10, the flexible pipe device 9-4 that grabs rises to top dead centre, flexible piston rod 9-4-3 fluid is taken over 9-2-4 through the hydraulic fluid port of fluid dispenser sleeve 9-2-6 successively, the outer oil pipe 9-3-3 of oil circuit, oil circuit inner oil tube 9-3-4, hydraulic fluid port is taken over 3-10, the hydraulic fluid port of telescopic oil cylinder 9-4-2 is taken over 9-4-1 and is entered telescopic oil cylinder 9-4-2 die cavity, promotes the flexible affixed crocodile shape of the mouth as one speaks of piston rod 4-5 jaw and projects forwardly to preceding stop, and the right die cavity inner fluid that the flexible piston rod 4-5 of telescopic oil cylinder 4-2 and interior dress constitutes is taken over 4-6 through the hydraulic fluid port of telescopic oil cylinder 4-2 successively, the hydraulic fluid port of lifter 3 is taken over 3-7, the hydraulic fluid port of fluid dispenser sleeve 2-4 is taken over 2-7 and is flowed out, move behind the card pipe piston rod 9-4-7 and block oil pipe 11-1, lifting piston rod 9-3-1 rises to and carries oil pipe 11-1 lower surface and stop apart from the full envelope of upper flashboard 1 device upper surface 50-120mm, starts the reducer motor, and the worm screw that the driven gear 9-1-8 of tube-grasping device 9 is coupling drives worm gear 9-1-4, hoist cylinder 9-3-2, grab pipe device 9-4 and be rotated counterclockwise 120-240 °, decline lifting piston rod 9-3-1, the oil pipe 11 that proposes is placed on the precalculated position of discharging frame, and the oil pipe 11-1 among the tubing clamp 9-4-15 is unclamped in card pipe piston rod 9-4-7 reach, closes upper flashboard and seals device 1 entirely, open double disc and seal device 5 work flashboards entirely, the first stage piston 2-3 of hydraulic lifting oil pipe device 2, the inner core 4-1 lower surface that second piston 2-6 drops to fishing device 4 stops apart from the middle slips 6-6 upper surface 10~40mm of the fixing pincers 6 of multi-spot segmentation, and oil pipe, the first stage piston 2-3 of hydraulic lifting oil pipe device 2 are blocked in middle slips 6-6 reach, second piston 2-6 drops to lower dead center, close upper flashboard and seal device entirely, finish and once put forward the pipe work cycle.
Following drain line operation: with reference to accompanying drawing 2, Fig. 3, Fig. 4, Fig. 7, Fig. 8, full-automatic pressurized operation machine is opened upper flashboard and is sealed device 1 entirely, tube-grasping device lifting piston rod 9-3-1 descends, grabbing pipe device 4 flexible piston rod 9-4-3 protracts, card pipe piston rod 9-4-7 retreats and blocks the oil pipe 11-1 that is placed on the discharging frame, tube-grasping device 4 lifting piston rod 9-3-1 rise to top dead centre, start reducer 1 motor and make lifter 3, grabbing pipe device 4 and oil pipe 11-1 together turns clockwise and descends after 120-240 ° again, oil pipe 11-1 is put into upper flashboard seal the fishing device 4 that device 1 is threaded entirely, the double-parabolic slab reed 6-18 of tube-grasping device 4 is provided with wiper block 6-19 clamping oil pipe, double disc seals device 5 clamping cylinder hydraulic fluid ports entirely and takes over the 5-1 oil-feed, it is fuel-displaced that hydraulic fluid port is taken over 5-3, piston rod 5-2 reach, chucking oil pipe 11-1, the rising hydraulic lifting oil pipe device, fishing device 4 urceolus 4-6 go up plane collision hydraulic lifting oil pipe device 2 oily inner cylinder sleeve 2-7 inner convex platform are set, the oily inner cylinder sleeve 2-7 that the inner core 4-1 suit urceolus 4-6 of fishing device 4 articulates the relative hydraulic lifting oil pipe device 2 of top connection 4-7 moves down, the urceolus 4-6 of fishing device 4 comes downwards to after bottom dead center, lower pressing claw 4-4 is together with urceolus 4-6, upper lifting claw 4-3 stops to move together with sliding sleeve 4-20, inner core 4-1 continues to move down, upper lifting claw 4-3, lower pressing claw 4-4 moves into inner core 4-1 slotted hole under torsion spring 4-17 effect, tubing coupling 4-12 throws off upper lifting claw 3, lower pressing claw 4 axial restraint, simultaneously, hydraulic lifting oil pipe device 2 rises to top dead centre, close upper flashboard and seal device 1 entirely, open lower flashboard and seal device 5 entirely, the middle slips 6-6 that hydraulic lifting oil pipe device 2 drops to fixing pincers 6 blocks the next tubing coupling 11-2 upper surface, the hydraulic motor 3-1 running of tubing tongs 3, drive output gear of speed reducer, driving bull gear 3-2 rotates, promote the lower slips radial contraction on the ramp inclined-plane, blocking upper oil pipe 11-3 turns clockwise, tighten upper oil pipe 11-3 and the next tubing coupling 11-2 is threaded, move to stop behind the middle slips 6-6 of multi-spot segmentation oil pipe fixing clamp 6, the first stage piston 2-3 of hydraulic lifting oil pipe device 2, second piston 2-6 drops to the tubing coupling lower surface to be stopped apart from slips 6-6 upper surface 10~40mm in the multi-spot segmentation oil pipe fixing clamp 6, upper oil pipe 11-3 is blocked in middle slips 6-6 reach, the first stage piston 2-3 of hydraulic lifting oil pipe device 2, second piston 2-6 drops to lower dead center, the middle slips 6-6 end face of the urceolus 4-6 collision multi-spot segmentation oil pipe fixing clamp 6 of fishing device 4 makes urceolus 4-6 and inner core 4-1 produce axial displacement, upper lifting claw 4-4, lower pressing claw 4-5 outwards opens under the effect of torsion spring 4-16, tubing coupling 11-4 throws off the axial restraint of fishing device 4, hydraulic lifting oil pipe device 2 first stage piston 2-3, second piston 2-6 rises, the inner core 4-1 lower surface of control fishing device 4 is sealed entirely at double disc and is stopped when the plane is above on the device 5 work flashboards, close double disc and seal device 5 work flashboards entirely, start the pump motor of dewatering installation, upper flashboard sealed the fluid that device 1 and double disc seal between the device 5 entirely entirely and discharges during water pump will install, open upper flashboard and seal device 1 entirely, finish lowering-in operation circulation.
The full-automatic pressurized operation machine running parameter:
1, is suitable for well head pressure :≤25MPa;
2, hydraulic system working pressure: 21MPa;
3, lifting oil pipe stroke: 〉=10.7m;
4, maximum lift: 1150kN;
5, dismounting, attaching tubing round thread peak torque: 7500N.m;
6, system monitoring precision: ± 0.1mm.

Claims (3)

1. one kind is used for the rising of oil field well workover oil pipe, the full-automatic pressurized operation machine of operation down, comprise that sealing device (1), tubing tongs (3), double disc entirely by upper flashboard seals device (5), lower flashboard entirely and seal device (7), job platform (10), hydraulic means, control device, dewatering installation, discharging frame entirely and form, fishing device (4) is installed at the middle part that it is characterized in that hydraulic lifting oil pipe device (2), the bottom is installed multi-spot segmentation oil pipe fixing clamp (6), oil pipe coupling monitoring device (8) in proper order, and tube-grasping device (9) is installed in the outside:
Establish the external successively sealing shroud of oily inner cylinder sleeve (2-11) (2-9) in a, the hydraulic lifting oil pipe device (2), external second piston (2-10) and first stage piston (2-8) constitute ring cavity, externally tubing interface (2-6) is set and tubing interface (2-17) is set down and the oil cylinder (2-7) of flange (2-1), first stage piston (2-8) sets up oilhole (2-11) up and down separately, second piston (2-10) upper end screw thread adpting flange (2-1);
B, on carry inner core (4-1) the suit urceolus (4-6) of oil pipe fishing device (4), the upper end is provided with steel ball (4-8) and articulates with top connection (4-7) lower end, lock pressing spring (4-5) in the ring cavity that inner core (4-1) and urceolus (4-6) constitute, inner core (4-1), urceolus (4-6) is provided with upper lifting claw axle bed (4-15) is installed in the symmetrical in twos slotted hole, lower pressing shaft seat (14), in connect bearing pin (4-2) suit torsion spring (4-16) and connect L shaped upper lifting claw (4-3) and L shaped lower pressing claw (4-4), urceolus (4-6) is radially installed steel ball (4-10), spring (4-12), lock-screw (4-11) crimping inner core (4-1) semi-round ring shape groove, urceolus (4-6) is provided with pin (4-13) and slips inner core (4-1) axial slide, top connection (4-7) top is provided with the ring cavity inwall and offers slotted hole insert double-parabolic slab reed (4-19), center clamping wiper block (4-20);
C, the external hydraulic fluid port that is provided with in the both sides, bottom of the housing (6-7) of multi-spot segmentation oil pipe fixing clamp (6) is taken over (6-14), the interior suit lower piston rod of following oil cylinder (6-13) (6-15) that hydraulic fluid port is taken over (6-16) articulates with the interior lower slips (6-12) of installing of lower slips guide rail (6-5) chute, the both sides, middle part of housing (6-7) are provided with the middle slips (6-6) that piston rod (6-21) is installed in the interior socket of middle oil cylinder (6-19) and articulate in slide valve housing (6-1) and middle slips guide rail (6-17) chute, the slide valve housing of installing between middle oil cylinder (6-2) and the housing (6-7) (6-1) is divided into left and right sides die cavity by compartment, end bolt connects slide valve end cap (6-27) oil connection (6-23) is set, hydraulic fluid port is taken over slide valve oil cylinder (6-24) the interior suit slide valve piston rod (6-25) of (6-26) and the flashboard (6-9) of the right ring cavity installation of slide valve housing (6-1) articulates the external oil connection (6-18) that is provided with in the both sides, top of housing (6-7), the interior suit upper piston rod of upper cylinder (6-20) (6-19) (6-21) articulates with upper slips (6-22);
The middle part bilateral symmetry is laid and is connect oil pipe (4-12) in the X-shaped centralizer body (4-8) in housing (4-5) cavity of d, oil pipe coupling monitoring device (8), the fixedly connected centralizer body of hollow shaft (4-6) (4-8) of interior the socket compression spring of the axle bed (4-3) of centralizer body (4-8) left and right sides correspondence position (4-4) interior near switch (4-7);
E, connect the affixed flexible pipe device (9-4) of grabbing of lifter (9-3) normal direction on the reducer (9-1) of tube-grasping device (9), lifter (9-3) is gone up suit fluid distributor (9-2), the affixed pipe device (9-4) of grabbing in top, the solid reducer shell (9-1-2) of the back shaft (9-1-1) of reducer (9-1), in driving gear (9-1-6) is set, driven gear (9-1-7), connecting worm screw (9-1-8) and worm gear (9-1-3) meshes successively, outer affixed worm gear (9-1-3) built-in bearing (9-1-4) bolt of back shaft (9-1-1) connects the hoist cylinder (9-3-2) of lifter (9-3), axial location back shaft (9-1-1), hydraulic fluid port is set takes over (9-2-3), (9-2-4), connecing bearing (9-2-2) in the fluid dispenser sleeve (9-2-6) of fluid distributor (9-2) (9-2-5) is sleeved on outside the hoist cylinder (9-3-2), the hoist cylinder (9-3-2) of lifter (9-3) connects the outer oil pipe (9-3-3) of telescopic oil circuit in successively and oil circuit inner oil tube (9-3-4) is communicated with hydraulic fluid port adapter (9-2-3) respectively, (9-2-4) to hydraulic fluid port adapter (9-3-6), (9-3-5), hoist cylinder (9-3-2) is provided with installs that lifting piston rod (9-3-1) upper end screw thread is connected and fixed cover (9-3-7) and oil circuit inner oil tube (9-3-4) is affixed in the ring cavity, the flexible pipe device (9-4) of grabbing is provided with hydraulic fluid port adapter (9-4-1), connect in the telescopic oil cylinder (9-4-4) (9-4-2) hydraulic fluid port adapter (9-4-5) is set, flexible piston rod (9-4-3) (9-4-6), connect card in flexible piston rod (9-4-3) stomidium and manage piston rod (9-4-7) adapter sleeve (9-4-10) that is threaded, bearing pin (9-4-11) plate (9-4-13) that is articulated and connected, flexible external fixed head in piston rod (9-4-3) end (9-4-16) and connecting rod (9-4-9), tubing clamp (9-4-15), the hinged composition crocodile of junction plate (9-4-13) shape of the mouth as one speaks jaw.
2. one kind is used for the rising of oil field well workover oil pipe, the full-automatic pressurized operation machine of operation down, comprise that sealing device (1), tubing tongs (3), double disc entirely by upper flashboard seals device (5), lower flashboard entirely and seal device (7), job platform (10), hydraulic means, control device, dewatering installation, discharging frame entirely and form, fishing device (4) is installed at the middle part that it is characterized in that hydraulic lifting oil pipe device (2), the bottom is installed multi-spot segmentation oil pipe fixing clamp (6), oil pipe coupling monitoring device (8) in proper order, and tube-grasping device (9) is installed in the outside:
A, inner core (4-1) the suit urceolus (4-6) of following drain line fishing device (4), the upper end is provided with steel ball (4-8) and articulates with top connection (4-7) lower end, lock pressing spring (4-5) in the ring cavity that inner core (4-1) and urceolus (4-6) constitute, inner core (4-1), urceolus (4-6) bottom is slipped sliding sleeve (4-21) installation upper lifting claw axle bed (4-15) in the symmetrical in twos slotted hole is set, lower pressing claw axle bed (4-14), in connect bearing pin (4-2) suit torsion spring (4-16) and connect L shaped upper lifting claw (4-3) and L shaped lower pressing claw (4-4), urceolus (4-6) is radially installed steel ball (4-10), spring (4-12), lock-screw (4-11) crimping inner core (4-1) semi-round ring shape groove, urceolus (4-6) is provided with pin (4-14) and slips inner core (4-1) axial slide, top connection (4-7) top is provided with the ring cavity inwall and offers slotted hole insert double-parabolic slab reed (4-19), center clamping wiper block (4-20).
3, a kind ofly be used for that oil field well workover oil pipe rises, the full-automatic pressurized operation machine of operation down is provided with inner convex platform overlap (1-11) the oil cylinder (2-7) of hydraulic lifting oil pipe device (2) on according to claim 1 or claim 2 are described.
CN 200610046368 2006-04-21 2006-04-21 Full-automatic pressurized operation machine Pending CN101059064A (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101984213A (en) * 2010-09-06 2011-03-09 阜新驰宇石油机械有限公司 Multifunctional hydraulic workover rig
CN102252087A (en) * 2011-07-19 2011-11-23 徐州东方传动机械有限公司 Speed reducer lubricating device for oilfield pumping unit
CN102536212A (en) * 2010-12-21 2012-07-04 卞康群 Coupling alarming device
CN102561975A (en) * 2012-01-04 2012-07-11 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 Lifting pressurized well-repairing technology in closed oil pipe
CN103132933A (en) * 2013-02-25 2013-06-05 吉林大学 Clamping and unscrewing device for iron driller
CN103161409A (en) * 2011-12-16 2013-06-19 卞康群 Hydraulic type coupling alerter
CN103161408A (en) * 2011-12-16 2013-06-19 卞康群 Hydraulic type coupling alarm device
CN105114011A (en) * 2015-08-28 2015-12-02 黑龙江景宏石油设备制造有限公司 Oilfield pressurized workover rig
CN111206905A (en) * 2018-11-21 2020-05-29 中国石油天然气股份有限公司 Well head braced system
CN113250627A (en) * 2021-06-29 2021-08-13 四川圣诺油气工程技术服务有限公司 Oil pipe centering device for operation under pressure

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101984213A (en) * 2010-09-06 2011-03-09 阜新驰宇石油机械有限公司 Multifunctional hydraulic workover rig
CN102536212B (en) * 2010-12-21 2016-04-06 盐城市华谊石油机械有限公司 Coupling alarming device
CN102536212A (en) * 2010-12-21 2012-07-04 卞康群 Coupling alarming device
CN102252087A (en) * 2011-07-19 2011-11-23 徐州东方传动机械有限公司 Speed reducer lubricating device for oilfield pumping unit
CN102252087B (en) * 2011-07-19 2013-04-24 徐州东方传动机械有限公司 Speed reducer lubricating device for oilfield pumping unit
CN103161409B (en) * 2011-12-16 2016-08-17 盐城市华谊石油机械有限公司 Fluid pressure type coupling alarm
CN103161409A (en) * 2011-12-16 2013-06-19 卞康群 Hydraulic type coupling alerter
CN103161408A (en) * 2011-12-16 2013-06-19 卞康群 Hydraulic type coupling alarm device
CN103161408B (en) * 2011-12-16 2016-08-03 盐城市华谊石油机械有限公司 Fluid pressure type coupling alarming device
CN102561975B (en) * 2012-01-04 2014-08-20 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 Lifting pressurized well-repairing technology in closed oil pipe
CN102561975A (en) * 2012-01-04 2012-07-11 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 Lifting pressurized well-repairing technology in closed oil pipe
CN103132933A (en) * 2013-02-25 2013-06-05 吉林大学 Clamping and unscrewing device for iron driller
CN105114011A (en) * 2015-08-28 2015-12-02 黑龙江景宏石油设备制造有限公司 Oilfield pressurized workover rig
CN105114011B (en) * 2015-08-28 2017-08-29 黑龙江景宏石油设备制造有限公司 Oil field workover rig with pressure
CN111206905A (en) * 2018-11-21 2020-05-29 中国石油天然气股份有限公司 Well head braced system
CN111206905B (en) * 2018-11-21 2022-06-03 中国石油天然气股份有限公司 Well head braced system
CN113250627A (en) * 2021-06-29 2021-08-13 四川圣诺油气工程技术服务有限公司 Oil pipe centering device for operation under pressure
CN113250627B (en) * 2021-06-29 2021-09-10 四川圣诺油气工程技术服务有限公司 Oil pipe centering device for operation under pressure

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