CN102191923A - Long-distance control wellhead operation device for workover operation - Google Patents
Long-distance control wellhead operation device for workover operation Download PDFInfo
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- CN102191923A CN102191923A CN2011100918611A CN201110091861A CN102191923A CN 102191923 A CN102191923 A CN 102191923A CN 2011100918611 A CN2011100918611 A CN 2011100918611A CN 201110091861 A CN201110091861 A CN 201110091861A CN 102191923 A CN102191923 A CN 102191923A
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Abstract
The invention relates to a long-distance control wellhead operation device for workover operation. The long-distance control wellhead operation device mainly solves the problems that the labor intensity of workers is high, the safety is poor and the operation efficiency is low as the wellhead operation can not be mechanized and automated during the traditional workover operation. The long-distance control wellhead operation device is characterized in that a centering manipulator is arranged at the upper end of an operation appliance; a pair of hydraulic pliers is arranged inside a framework of the operation appliance; a buffering and locating block is arranged at the front end of the operation appliance; a moving mechanism is arranged at the lower end of the operation appliance; the operation appliance is positioned on a base of the operation appliance; the base of the operation appliance can be adjusted in the vertical direction and is used for locating the operation appliance in the vertical direction; a power slip is arranged inside the base of the operation appliance; the slip is connected with a flange at a wellhead; the installation position of the base of the operation appliance is determined by the power slip; and a control cabinet is welded at the side of the framework of the base of the operation appliance and is used for controlling a hydraulic system of the whole device. The long-distance control wellhead operation device has the advantages of increasing the mechanization and automation degree of assembly and disassembly of tubular columns, reducing the labor intensity of workover workers, realizing the unmanned operation of the wellhead and achieving the actual application value.
Description
Technical field
The present invention relates to a kind of mechanized device when being used for the petroleum well workover shaft mouth operation, relate to a kind of shaft mouth operation device that can realize the workover treatment Long-distance Control that unloads the tubing string screw thread on when being used for the petroleum well workover shaft mouth operation specifically.
Background technology
In every construction of oil and construction of natural gas fields production, workover treatment is an important link.But in this field, exist following technical problem to be badly in need of solving at present: the key component of workover treatment is the operating process of its wellhead assembly, and in the wellhead assembly operating process, conventional device is hydraulic tongs, slips and the elevator of absolute construction.Go up the shackle operation in the petroleum well workover mainly by manually-operated open-type hydraulic tongs with switch elevator and finish, and the workover treatment hydraulic tongs weighs two, 300 kilograms, hangs on the derrick, requires manually to advance or shift out well head during work, elevator is frequently switched, and labour intensity is very big.In addition, the rountrip operating process is simple, dull, frequent, easily take place oil pipe collapse buckle, accident such as high-altitude junk, the safety that directly endangers the well head operating personnel.In addition, when adopting these existing apparatus to carry out workover treatment in the open air, environment is abominable, and winter, the well site froze easily, problems such as dumb occurred skidding, operating through regular meeting.Though shackle is operated from simply manually unloading buckle device develops into Power Tong on the tubing string at present, well head operation automation level increases, but still do not realize the unmanned operation of well head, labour intensity is big, poor stability, well workover efficient are low etc., and problem has become the major obstacle that restriction well workover efficient improves.
Summary of the invention
The prior art problem that proposes in order to solve in the background technology, the invention provides a kind of workover treatment Long-distance Control shaft mouth operation device, this kind Long-distance Control shaft mouth operation device will be set upright manipulator by the operation worker, open-type hydraulic tongs and mobile, buffering and positioning mechanism, power slip is integrated, send the Long-distance Control that control signal realizes shaft mouth operation for on-the-spot switch board by the control cables that is connected to operation room, thereby make the well workover shaft mouth operation reach higher mechanization and automatization level, make the workman away from well head, realize setting upright of tubing string by the hydraulic control mode, operations such as clamping and last shackle greatly reduce working strength of workers, improved well workover efficient.
Technical scheme of the present invention is: this kind workover treatment Long-distance Control shaft mouth operation device, be divided into upper, middle, and lower part, and be called and set upright manipulator, mobile operating worker and base;
Wherein, the described manipulator of setting upright is by setting upright mechanical paw, set upright the mechanical paw lining, set upright the manipulator back seat, set upright manipulator back seat lining, set upright the manipulator turning cylinder, cottor pin, setting upright the manipulator hydraulic cylinder, set upright the manipulator bearing pin, set upright robot base, set upright manipulator back seat gusset, set upright manipulator rotating shaft pad and set upright and constitute after manipulator hydraulic cylinder back shaft connects; Wherein, set upright mechanical paw and set upright between the mechanical paw lining and set upright the manipulator back seat and set upright between the manipulator back seat lining and all connect by bolt, set upright the manipulator back seat by set upright the manipulator turning cylinder respectively be positioned at the mechanical paw of setting upright of setting upright manipulator back seat and arranged on left and right sides and be connected, be positioned at set upright manipulator back seat and arranged on left and right sides the cylinder barrel of setting upright the manipulator hydraulic cylinder respectively with corresponding to set upright manipulator hydraulic cylinder back shaft hinged; The piston rod of setting upright the manipulator hydraulic cylinder is hinged by setting upright the manipulator bearing pin and setting upright mechanical paw; Set upright manipulator back seat gusset and be welded in and set upright manipulator back seat and setting upright on the robot base, set upright the manipulator back seat and set upright robot base by being weldingly connected;
Described mobile operating worker is made of operation worker framework, operation worker loam cake, operation worker travel mechanism, buffering and positioning mechanism and a pair of hydraulic pressure master pincers and hydraulic pressure back-up tong, operation worker loam cake is connected with operation worker framework by bolt, and square steel seals and is welded on the operation worker framework;
Wherein, described hydraulic pressure master pincers and hydraulic pressure back-up tong are open mouth tongs, and corresponding respectively connection hydraulic pressure master clamps supporting seat and hydraulic pressure back-up tong supporting seat, and described hydraulic pressure master clamps supporting seat and is vertically connected on the operation worker framework by being connected guide rod and spring with hydraulic pressure back-up tong supporting seat;
Described operation worker travel mechanism is made up of angle steel, channel-section steel, track hydraulic cylinder, track hydraulic cylinder piston rod Connection Block, wheel shaft, roller, axle sleeve, bearing, wheel shaft end cap and angle steel gusset; Wherein, wheel shaft, roller, bearing, roller end cap and end screw are formed rotor block, wheel shaft is connected with angle steel by bolt, roller inside is equipped with bearing, the outer ring tight fit of described roller and bearing, axle sleeve is installed between roller and the angle steel, and the wheel shaft end cap is connected the wheel shaft end by bolt; The angle steel gusset is evenly distributed on the angle steel, and several rotor blocks are installed on the angle steel, and the track hydraulic cylinder piston rod is connected by bearing pin with track hydraulic cylinder piston rod Connection Block, and described rotor block is arranged in channel-section steel;
Described buffering and positioning mechanism is made of position block, buffer spring, buffer bar, buffer cover and buffer-oriented end cap; Wherein, buffer bar passes buffer spring and is installed in the position block, and the buffer-oriented end cap is positioned at the front end of position block, is connected with position block by screw, and buffer cover is positioned at the end of buffer-oriented bar, is connected with the buffer-oriented bar by screw;
Described base is made up of operation worker base, power slip and switch board;
Wherein, described power slip comprises slip spider, slips body and slips driving mechanism; The bottom of described slip spider is distributed with two circle bolts hole from the inside to the outside, and its inboard bolt hole is used for linking to each other with the wellhead blowout preventor flange, and its outside bolt hole is used to connect operation worker base; Described slips body is made up of the main slips body that is inlaid with slip insert separately, left slips body and right slips body three parts, connects by slips body bearing pin between described three parts; Described slips driving mechanism, comprise the slip hydraulic cylinder, slip hydraulic cylinder cylinder barrel bolt, the hydraulic cylinder joint, main slips body connecting rod, main slips body pitman pin, main slips body connecting rod middle part bolt and main slips body connecting rod afterbody bolt, wherein, slip hydraulic cylinder cylinder barrel links to each other with slip spider by slip hydraulic cylinder cylinder barrel bolt, slip hydraulic cylinder piston rod and hydraulic cylinder joint are by being threaded, slip hydraulic cylinder joint is connected by main slips body connecting rod middle part bolt with main slips body connecting rod, main slips body is connected by main slips body pitman pin with main slips body connecting rod, and main slips body connecting rod is connected by main slips body connecting rod afterbody bolt with slip spider;
Described operation worker base comprises base support mechanism and bedframe; Described base support mechanism, constitute by threaded supporting base, leading screw, pallet, pallet cover and spanner, supporting base and bedframe are by being weldingly connected, leading screw and supporting base are by being threaded, the leading screw bottom is a square, and spanner is installed, and the leading screw bottom is a hemispherical, be positioned on the pallet, pallet is connected by bolt with pallet cover; Described bedframe is welded by square steel and base plate;
Described switch board comprises switch board housing, joystick and is built in the hydraulic pressure components and parts that the hydraulic system of aforementioned each hydraulic actuating mechanism correspondence is controlled in interior being used to of described housing; Described switch board is used for the operation worker is controlled, and draws signal cable in the described switch board and is connected to central control room to realize the Long-distance Control to described apparatus for work;
Describedly set upright the square steel that manipulator hydraulic cylinder back shaft is welded on operation worker framework and seal, set upright robot base and operation worker loam cake passes through bolt, the symmetrical respectively bottom that is welded in operation worker framework of angle steel, channel-section steel then is welded on the upper end of bedframe, about be symmetrical distribution; The track hydraulic cylinder is distributed in operation worker framework both sides, the cylinder barrel of track hydraulic cylinder is connected with operation worker base by bolt, the track hydraulic cylinder piston rod is connected by bearing pin with track hydraulic cylinder piston rod Connection Block, track hydraulic cylinder piston rod Connection Block is welded on the operation worker framework, position block is welded on operation worker base front end, is connected by bolt between the bottom of base plate and slip spider.
The present invention has following beneficial effect: this kind workover treatment Long-distance Control shaft mouth operation device will set upright manipulator, open-type hydraulic tongs by the operation worker and move, buffering and positioning mechanism, the integrated back of power slip realize Long-distance Control, that summarizes says, this device has following function: at first, can realize the reciprocating motion of hydraulic tongs by Driven by Hydraulic Cylinder mobile operating worker, replace the operator hydraulic tongs to be withdrawed from or moves on to well head; And, hydraulic tongs is realized self shifter and automatically to the breach function, realize the high, low speed gearshift of hydraulic tongs by the Long-distance Control hydraulic circuit, control the breach hydraulic circuit when mouth finishes last unloading, realize the main pincers of alignment breach automatically, carry out smoothly so that tubing string shifts out from jaw smoothly and unloads tubing string next time; In addition, in last shackle operation, utilization is set upright manipulator tubing string is set upright, and tubing string center in tubing string center that assurance is set upright and the well head adopts power slip, the function that realizes stepping up and unclamping tubing string by controlled hydraulic system.After this device is implemented, can change existing workover treatment technology, thereby make the well workover shaft mouth operation reach higher mechanization and automatization level, make the workman, set upright, clamp, go up operation such as shackle by what the hydraulic control mode realized tubing string away from well head.When implementing such scheme, power slip is installed on the wellhead blowout preventor, operation worker base is connected with power slip by flange, installs the mobile operating worker and sets upright manipulator, connects each hydraulic jack control loop, and this system gets final product operate as normal.This device discharges the workman from the well head operation, improved the mechanization and the automation of workover treatment well head operation, has guaranteed the safety of work-over operation.
Description of drawings:
Fig. 1 is an overall structure schematic diagram of the present invention.
Fig. 2 is a structural representation of setting upright manipulator one related among the present invention.
Fig. 3 is a structural representation of setting upright manipulator two related among the present invention.
Fig. 4 is a structural representation of setting upright mechanical paw related among the present invention.
Fig. 5 is mobile operating worker's related among the present invention a structural representation.
Fig. 6 shows automatic structural representation one to breach mechanism during hydraulic pressure master related among the present invention clamps.
Fig. 7 shows automatic structural representation two to breach mechanism during hydraulic pressure master related among the present invention clamps.
Fig. 8 shows automatic structural representation three to breach mechanism during hydraulic pressure master related among the present invention clamps.
Fig. 9 shows during hydraulic pressure master related among the present invention clamps that automatic hydraulic pressure master to breach mechanism clamps the shell structure schematic diagram.
Figure 10 shows automatic opening gear wheel junction plate structural representation to breach mechanism during hydraulic pressure master related among the present invention clamps.
Figure 11 shows automatic opening gear wheel structural representation to breach mechanism during hydraulic pressure master related among the present invention clamps.
Figure 12 is the structural representation one that shows self shifter mechanism during hydraulic pressure master related among the present invention clamps.
Figure 13 is the structural representation two that shows self shifter mechanism during hydraulic pressure master related among the present invention clamps.
Figure 14 is the structural representation three that shows self shifter mechanism during hydraulic pressure master related among the present invention clamps.
Figure 15 is the structural representation of hydraulic pressure back-up tong involved in the present invention.
Figure 16 is the structural representation one of operation worker travel mechanism related among the present invention.
Figure 17 is the structural representation two of operation worker travel mechanism related among the present invention.
Figure 18 is the wheel shaft structure schematic diagram of operation worker travel mechanism related among the present invention.
Figure 19 is the operation worker travel mechanism related among the present invention and the structural representation of operation worker base.
Figure 20 is the structural representation of mobile operating worker's related among the present invention buffering and positioning mechanism.
Figure 21 is the structural representation one of power slip related among the present invention.
Figure 22 is the structural representation two of power slip involved in the present invention.
Figure 23 is the main slips body structure schematic diagram of power slip involved in the present invention.
Figure 24 is the left slips body structure schematic diagram of power slip involved in the present invention.
Figure 25 is the right slips body structure schematic diagram of power slip involved in the present invention.
Figure 26 is the main slips body bar linkage structure schematic diagram of power slip involved in the present invention.
Figure 27 is the structural representation of operation worker base support mechanism related among the present invention.
Figure 28 is the structural representation of operation worker bedframe related among the present invention.
Figure 29 is the structural representation one of operation worker switch board related among the present invention.
Figure 30 is the structural representation two of operation worker switch board related among the present invention.
1-sets upright manipulator among the figure, 2-hydraulic pressure master pincers, 3-hydraulic pressure back-up tong, 4-mobile operating worker, 5-operation worker base, the 6-power slip, the 7-switch board, 8-sets upright mechanical paw, 9-sets upright the mechanical paw lining, and 10-sets upright the manipulator back seat, and 11-sets upright manipulator back seat lining, 12-sets upright the manipulator turning cylinder, the 13-cottor pin, 14-sets upright the manipulator hydraulic cylinder, and 15-sets upright the manipulator bearing pin, 16-sets upright robot base, 17-sets upright manipulator back seat gusset, and 18-sets upright manipulator rotating shaft pad, 19-operation worker framework, the 20-guide rod, 21-hydraulic pressure master clamps supporting seat, 22-spring, 23-hydraulic pressure back-up tong supporting seat, 24-master clamps housing, 25-is with two gap opening gear wheel junction plates, and 26-is to the gap means guide rail, and 27-moves block to gap means, 28-is to the gap means hydraulic cylinder, the 29-hydraulic cylinder supports, 30-block small roller, 31-opening gear wheel, 32-gearshift internal gear, 33-gearshift shift fork roller, 34-gearshift sleeve, 35-gearshift shift fork, the 36-gearshift has the keyway sleeve, the spacing roller of 37-gearshift, 38-gearshift positive stop, 39-gearshift position-limited rack, 40-gearshift shifting fork bar, 41-gearshift hydraulic cylinder, 42-gearshift hydraulic cylinder base, 43-operation worker loam cake, 44-sets upright manipulator hydraulic cylinder back shaft, the 45-square steel seals, 46-wheel shaft, 47-roller, 48-end screw, the 49-bearing, 50-wheel shaft end cap, 51-axle sleeve, the 52-angle steel, 53-angle steel gusset, 54-track hydraulic cylinder piston rod Connection Block, 55-track hydraulic cylinder, the 56-buffer cover, 57-buffer-oriented lid, 58-buffer spring, 59-position block, the 60-buffer bar, the 61-slip spider, 62-master's slips body, 63-left side slips body, the right slips body of 64-, 65-slips body bearing pin, 66-master's slips body connecting rod afterbody bolt, 67-slip hydraulic cylinder, 68-master's slips body connecting rod middle part bolt, 69-hydraulic cylinder joint, 70-master's slips body connecting rod, 71-master's slips body pitman pin, the 72-slip insert, 73-slip hydraulic cylinder cylinder barrel bolt, 74-pallet, 75-pallet cover, the 76-spanner, the 77-leading screw, 78-bedframe, 79-channel-section steel, the 80-base plate, the 81-supporting base, 82-pipe joint, 83-pressure meter.
The specific embodiment:
The invention will be further described below in conjunction with accompanying drawing:
This kind of workover treatment Long-distance Control shaft mouth operation device, its overall structure figure is divided into upper, middle, and lower part as shown in Figure 1, is called to set upright manipulator 1, mobile operating worker 4 and base.
Wherein, the described structure of setting upright manipulator 1 such as Fig. 2 are in conjunction with shown in Figure 3, by setting upright mechanical paw 8, set upright mechanical paw lining 9, set upright manipulator back seat 10, set upright manipulator back seat lining 11, set upright manipulator turning cylinder 12, cottor pin 13, setting upright manipulator hydraulic cylinder 14, set upright manipulator bearing pin 15, set upright robot base 16, set upright manipulator back seat gusset 17, set upright manipulator rotating shaft pad 18 and set upright and constitute after manipulator hydraulic cylinder back shaft 44 connects, its structure as shown in Figure 4.Wherein, set upright mechanical paw 8 and set upright between the mechanical paw lining 9 and set upright manipulator back seat 10 and set upright between the manipulator back seat lining 11 and all connect by bolt, set upright manipulator back seat 10 by set upright manipulator turning cylinder 12 respectively be positioned at the mechanical paw 8 of setting upright of setting upright manipulator back seat 10 and arranged on left and right sides and be connected, be positioned at set upright manipulator back seat 10 and arranged on left and right sides the cylinder barrel of setting upright manipulator hydraulic cylinder 14 respectively with corresponding to set upright manipulator hydraulic cylinder back shaft 44 hinged; The piston rod of setting upright manipulator hydraulic cylinder 14 is hinged by setting upright manipulator bearing pin 15 and setting upright mechanical paw 8; Set upright manipulator back seat gusset 17 and be welded in and set upright manipulator back seat 10 and set upright on the robot base 16, set upright manipulator back seat 10 and set upright robot base 16 by being weldingly connected.
Described mobile operating worker's 4 structure as shown in Figure 5, by operation worker framework 19, operation worker loam cake 43, operation worker travel mechanism, buffering and positioning mechanism and a pair of hydraulic pressure master clamp 2 and hydraulic pressure back-up tong 3 constitute, operation worker loam cake 43 is connected with operation worker framework 19 by bolt, and square steel seals 45 and is welded on the operation worker framework 19.Wherein, described hydraulic pressure master clamp 2 and hydraulic pressure back-up tong 3 be open mouth tongs, corresponding respectively connection hydraulic pressure master clamps supporting seat 21 and hydraulic pressure back-up tong supporting seat 23, and described hydraulic pressure master clamps supporting seat 21 and is vertically connected on the operation worker framework 19 by being connected guide rod 20 and spring 22 with hydraulic pressure back-up tong supporting seat 23.
Below each ingredient is made a detailed description respectively:
At first, special part in the hydraulic pressure master pincers is explained.Described hydraulic pressure master clamps 2 and outside is shell structure, has the clamping and the spinner function of tubing string, and inside comprises driving mechanism, arrestment mechanism, clamping body, to breach mechanism, changement and gearshift.Wherein, therefore driving mechanism, arrestment mechanism, clamping body and changement and conventional main pincers inner structure indifference, do not repeat them here.There is different places to be to breach mechanism and gearshift.
Extremely shown in Figure 11 as Fig. 6, described to breach mechanism, comprise gap means guide rail 26, gap means is moved block 27, block small roller 30, be with two gap opening gear wheel junction plates 25, main pincers housing 24, to gap means hydraulic cylinder 28, hydraulic cylinder supports 29, wherein, top to gap means guide rail 26 has a groove, gap means is moved block 27 to be installed in the groove to gap means guide rail 26, be with two gap opening gear wheel junction plates 25 and opening gear wheel 31 to be connected by bolt, to gap means hydraulic cylinder 28 piston rod front ends with gap means is moved block 27 and is connected by bearing pin, gap means is moved block 27 both side ends symmetry two block small rollers 30 are installed, gap means hydraulic cylinder 28 cylinder barrel rear ends and hydraulic cylinder are supported 29 hinged, hydraulic cylinder supports 29 and is connected by bolt with the main housing 24 of clamping.
The structure chart of described gearshift such as Figure 12 are to shown in Figure 14, comprise gearshift internal gear 32, gearshift shift fork 35, gearshift shift fork roller 33, gearshift shifting fork bar 40, gearshift hydraulic cylinder 41, gearshift hydraulic cylinder base 42, gearshift position-limited rack 39, the spacing roller 37 of gearshift, gearshift positive stop 38, gearshift has keyway sleeve 36 and gearshift sleeve 34, wherein, gearshift shift fork 35 and gearshift shifting fork bar 40 are connected by key, gearshift shift fork roller 33 is connected the front end of gearshift shift fork 35 by bolt, about each one, the spacing roller 37 of gearshift and gearshift position-limited rack 39 are connected by bearing pin, form the gearshift limited block, the shifter limited block is installed in the cylinder groove of gearshift shift fork 35 and gearshift shifting fork bar 40, gearshift internal gear 32 outsides are fluted, the gearshift shift fork roller 33 of gearshift shift fork 35 front ends matches with the lateral surface groove of gearshift internal gear 32, one circular hole is arranged in the middle of the gearshift positive stop 38, gearshift positive stop 38 is connected on the main pincers housing 24 by bolt, the gearshift limited block is in the circular hole of gearshift positive stop 38 centres, gearshift has keyway sleeve 36 and gearshift shifting fork bar 40 to be connected by key, be positioned at a side of gearshift shift fork 35, the hole of clamping on the housing 24 with the master is a matched in clearance, gearshift sleeve 34 is positioned at the opposite side of gearshift shift fork 35, with gearshift shifting fork bar 40 be matched in clearance, the hole of clamping on the housing 24 with the master is a tight fit, gearshift hydraulic cylinder 41 piston rods link to each other with gearshift shifting fork bar 40, gearshift hydraulic cylinder 41 cylinder barrel afterbodys and gearshift hydraulic cylinder base 42 are connected by bearing pin, and gearshift hydraulic cylinder base 42 and main pincers housing 24 are connected by bolt.
The structure chart of described hydraulic pressure back-up tong 3 as shown in figure 15, be located on the operation worker framework 19, be used to clamp tubing string, clamp 2 by guide rod 20, spring 22 support hydraulic pressure masters, guide rod 20 upper ends link to each other with operation worker loam cake 43 by screw, and guide rod 20 and hydraulic pressure master clamp between supporting base 21, the hydraulic pressure back-up tong supporting base 23 and have certain interval.
Structure such as Figure 16, shown in Figure 17 of described operation worker travel mechanism are made up of angle steel 52, channel-section steel 79, track hydraulic cylinder 55, track hydraulic cylinder piston rod Connection Block 54, wheel shaft 46, roller 47, axle sleeve 51, bearing 49, wheel shaft end cap 50 and angle steel gusset 53; Wherein, wheel shaft 46, roller 47, bearing 49, roller end cap 50 and end screw 48 are formed rotor block, and wheel shaft 46 is connected with angle steel 52 by bolt, Figure 18 shows that the structural representation of wheel shaft.Roller 47 inside are equipped with bearing 49, the outer ring tight fit of described roller 47 and bearing 49, and axle sleeve 51 is installed between roller 47 and the angle steel 52, and wheel shaft end cap 50 is connected wheel shaft 46 ends by bolt; Angle steel gusset 53 is evenly distributed on the angle steel 52, and several rotor blocks are installed on the angle steel 52, and track hydraulic cylinder 55 piston rods and track hydraulic cylinder piston rod Connection Block 54 are connected by bearing pin, and described rotor block is arranged in channel-section steel 79.
As shown in figure 20, described buffering and positioning mechanism is made of position block 59, buffer spring 58, buffer bar 60, buffer cover 56 and buffer-oriented end cap 57; Wherein, buffer bar 60 passes buffer spring 58 and is installed in the position block 59, and buffer-oriented end cap 57 is positioned at the front end of position block 59, is connected with position block 59 by screw, buffer cover 56 is positioned at the end of buffer-oriented bar 57, is connected with buffer-oriented bar 57 by screw.
Described base is made up of operation worker base 5, power slip 6 and switch board 7.
Wherein, described power slip 6 comprises slip spider 61, slips body and slips driving mechanism; To shown in Figure 26, the bottom of described slip spider 61 is distributed with two circle bolts hole from the inside to the outside as Figure 21, and its inboard bolt hole is used for linking to each other with the wellhead blowout preventor flange, and its outside bolt hole is used to connect operation worker base; Described slips body is made up of the main slips body 62 that is inlaid with slip insert 72 separately, left slips body 63 and right slips body 64 3 parts, connects by slips body bearing pin 65 between described three parts; Described slips driving mechanism, comprise slip hydraulic cylinder 67, slip hydraulic cylinder cylinder barrel bolt 73, hydraulic cylinder joint 69, main slips body connecting rod 70, main slips body pitman pin 71, main slips body connecting rod middle part bolt 68 and main slips body connecting rod afterbody bolt 66, wherein, slip hydraulic cylinder 67 cylinder barrels link to each other with slip spider 61 by slip hydraulic cylinder cylinder barrel bolt 73, slip hydraulic cylinder 67 piston rods and hydraulic cylinder joint 69 are by being threaded, slip hydraulic cylinder joint 69 is connected by main slips body connecting rod middle part bolt 68 with main slips body connecting rod 70, main slips body 62 is connected by main slips body pitman pin 71 with main slips body connecting rod 70, and main slips body connecting rod 70 is connected by main slips body connecting rod afterbody bolt 66 with slip spider 61.
Described operation worker base 5 comprises base support mechanism and bedframe 78; Described base support mechanism, its structure as shown in figure 27, constitute by threaded supporting base 81, leading screw 77, pallet 74, pallet cover 75 and spanner 76, supporting base 81 and bedframe 78 be by being weldingly connected, and leading screw 77 and supporting base 81 are by being threaded, and leading screw 77 bottoms are square, spanner 76 is installed, leading screw 77 bottoms are hemispherical, are positioned on the pallet 74, and pallet 74 and pallet cover 75 are connected by bolt; Described bedframe 78 is welded by square steel and base plate 80.
Described switch board 7, its external structure comprise switch board housing, joystick and are built in the hydraulic pressure components and parts that the hydraulic system of aforementioned each hydraulic actuating mechanism correspondence is controlled in interior being used to of described housing shown in Figure 29,30; Described switch board is used for the operation worker is controlled, and draws signal cable in the described switch board 7 and is connected to central control room to realize the Long-distance Control to described apparatus for work.Above-mentioned joystick comprises that power slip joystick, hydraulic tongs rotation joystick, hydraulic tongs move driving handle, set upright mechanical hand control handle gap means joystick, hydraulic tongs gearshift joystick, operation worker; Described power slip joystick is used to control the slips hydraulic cylinder, the closure that realizes power slip with open, hydraulic tongs rotation joystick is used to control the motor of hydraulic pressure master pincers and the rack piston hydraulic cylinder of hydraulic pressure back-up tong, hydraulic tongs is used for control to the gap means hydraulic cylinder to the gap means joystick, realize that the hydraulic pressure master clamps the purpose of alignment notch, hydraulic tongs gearshift joystick control gearshift hydraulic cylinder, be used to realize that the high and low shift of hydraulic tongs switches, the operation worker moves driving handle and is used to control the track hydraulic cylinder, realize operation worker's reciprocating motion, set upright mechanical hand control handle and be used for control and set upright the manipulator hydraulic cylinder, realize setting upright the folding of mechanical paw
Annexation between the above-mentioned various piece is: describedly set upright the square steel that manipulator hydraulic cylinder back shaft 44 is welded on operation worker framework 19 and seal on 45, set upright robot base 16 and pass through bolt with operation worker loam cake 43, the symmetrical respectively bottom that is welded in operation worker framework 19 of angle steel 52,79 upper ends that are welded on bedframe 78 of channel-section steel, about be symmetrical distribution; Track hydraulic cylinder 55 is distributed in operation worker framework 19 both sides, the cylinder barrel of track hydraulic cylinder 55 is connected with operation worker base 19 by bolt, track hydraulic cylinder 55 piston rods and track hydraulic cylinder piston rod Connection Block 54 are connected by bearing pin, track hydraulic cylinder piston rod Connection Block 54 is welded on the operation worker framework 19, position block 59 is welded on operation worker base 5 front ends, is connected by bolt between the bottom of base plate 80 and slip spider 61.
Provide the complete procedure of utilizing device described in the present invention to carry out work below, be divided into the upper lifting pipe post and transfer two stages of tubing string and describe.
One, finish the course of work of upper lifting pipe post:
Slips chucking tubing string, and guarantee that tubing string stretches out the length of enough elevator clampings, the mobile operating worker moves rearwards to certain position, gets out of the way well head, reserves enough spaces to elevator, guarantees the smooth clamping of elevator to tubing string.
It is descending that tourist bus drives elevator, prepares extracting, during near string collar, and the tourist bus stop motion, elevator tightens hydraulic cylinder piston and stretches out, and the promotion linkage drives elevator door and opens fully, and it is descending that overhead traveling crane drives the elevator continuation, behind the elevator process box cupling, the tourist bus stop motion.Elevator chucking hydraulic cylinder piston is regained, and drivening rod mechanism also promotes elevator door, and elevator door is closed, and blocks box cupling lower end tubing string, and the retaining mechanism hydraulic cylinder piston stretches out, the drivening rod mechanism kinematic, and promote slotting closing, clamping body is locked.Afterwards, slip hydraulic cylinder piston stretches out, and drivening rod mechanism moves upward, and promotes the slips body and moves upward, and slips is opened, and tourist bus is up, drives elevator chucking tubing string.When next tubing coupling reached assigned address, tourist bus stopped, and slip hydraulic cylinder piston is regained, and the drivening rod mechanism kinematic is regained the slips body, the slips closure, and the clamping tubing string makes the outstanding well head that is held in of tubing string.
The operation worker goes up main pincers breach and is in aligned condition, gap means is moved block be in retracted state.Mobile operating worker track hydraulic cylinder piston stretches out, and promotes the mobile operating worker and travels forward, and the operation worker contacts with the location buffering block of operation worker base front end, and the compression buffer spring, makes the power back-up tong arrive the tubing coupling position.Back-up tong chucking tubing string, the Long-distance Control master clamps and drives loop and main pincers gearshift loop simultaneously, and it is transferred to low or first gear, is rotated counterclockwise main pincers hydraulic motor, and the main pincers chucking tubing string and the button operation of stretching tight are unclamped and will be led pincers behind the screw buckle and be transferred to top gear, shackle fast.
Shackle finishes, the gap means Driven by Hydraulic Cylinder is moved block to gap means, make it to travel forward, withstand opening gear wheel junction plate, the counter-rotating hydraulic motor, when gap means is moved two straight pins in the block and the breach in the gear wheel junction plate over against the time, two straight pins are inserted in the opening gear wheel junction plate, close the fluid motor-driven loop, this moment, the breach of clamp mechanism alignd with the breach of main pincers housing, realized breach is operated.
Back-up tong unclamps tubing string, sets upright the mechanical paw hydraulic cylinder piston and regains, and promotes to set upright mechanical paw and opens, and sets upright manipulator on the derrick greatly tubing string is pushed away well head.Tourist bus drive elevator is descending, and the oil pipe bottom contacts with slideway, and the comb workman pulls tubing string and slides along slideway.
The gap means hydraulic cylinder piston is regained, and drive is moved block to gap means and is moved backward, arrives predetermined rest position.Mobile operating worker track hydraulic cylinder piston is regained, and drives the mobile operating worker and moves backward, gets out of the way pithead position.Tourist bus drive elevator continues descending, and elevator overturns along with the descending of tubing string, and near well head, tubing string drops on the slideway fully, and this moment, elevator was to turn near horizontal level.
The comb workman hauls out pithead position with tubing string, and tourist bus drives the elevator segment distance that moves upward, and under the effect of gravity, elevator has horizontal level to turn to vertical position.It is descending that tourist bus drives elevator, grasps tubing string, repeats the shackle operation.
Two, finish the course of work of transferring tubing string:
Slips chucking tubing string, and guarantee that the length that tubing string stretches out can make the hydraulic pressure back-up tong block the box cupling of tubing string, the mobile operating worker moves rearwards to certain position, gets out of the way well head, reserves enough spaces to elevator, guarantees that elevator treats the smooth clamping that connects the tubing string of beating.
The comb workman is pushed into well head with tubing string along slideway.Tourist bus drives elevator and comes downwards to tubing string top, the tourist bus stop motion.The elevator upset makes it near horizontal level, blocks the string collar lower end.Tourist bus is up, drives elevator and promotes tubing string.
The operation worker goes up main pincers breach and is in aligned condition, gap means is moved block be in retracted state.Mobile operating worker track hydraulic cylinder piston stretches out, and promotes the mobile operating worker and travels forward, and the operation worker contacts with the location buffering block of operation worker base front end, and the compression buffer spring arrives the tubing coupling position up to back-up tong.
It is up that tourist bus drives the elevator continuation, leaves slideway up to tubing string, behind the tubing string swing certain angle, contacts the tourist bus stop motion with setting upright manipulator.Mechanical hydraulic circuit is set upright in control, makes to set upright manipulator extracting and clamping tubing string, makes the tubing string center of tubing string center and slips clamping, realizes the operation of setting upright of tubing string.
It is descending that tourist bus drives elevator, makes the tubing string lower end enter into box cupling.Control back-up tong hydraulic circuit makes back-up tong clamp the string collar of slips clamping.
The dextrorotation alternation of hosts clamps hydraulic motor, adjusts the gearshift hydraulic circuit, makes it to be in low or first gear, makes the tight tubing string of main clamp and goes up and buckle operation, and will lead pincers and be transferred to top gear this moment, upward detain fast, will lead when last button closes to an end to clamp and be transferred to low or first gear, the operation of linking closely.
Last button finishes, the gap means Driven by Hydraulic Cylinder is moved block to gap means, make it to travel forward, withstand opening gear wheel junction plate, the counter-rotating hydraulic motor, when gap means is moved two straight pins in the block and the breach in the gear wheel junction plate over against the time, two straight pins are inserted in the opening gear wheel junction plate, close the fluid motor-driven loop, this moment, the breach of clamp mechanism alignd with the breach of main pincers housing, realized breach is operated.
The gap means hydraulic cylinder piston is regained, and drive is moved block to gap means and is moved backward, arrives predetermined rest position.Mobile operating worker track hydraulic cylinder piston is regained, and drives the mobile operating worker and moves backward, gets out of the way pithead position.
The slip hydraulic cylinder piston rod stretches out, and drivening rod mechanism moves upward, and promotes the slips body and moves upward, and slips is opened.Tourist bus drives elevator and moves downward, and puts into well with under the tubing string.After tubing coupling arrived assigned address, tourist bus stopped.Slip hydraulic cylinder piston is regained, and the slips body is regained in the motion of drivening rod machine, and the slips closure clamps tubing string, makes the outstanding well head that is held in of tubing string.
Claims (1)
1. a workover treatment Long-distance Control shaft mouth operation device is divided into upper, middle, and lower part, is called and sets upright manipulator (1), mobile operating worker (4) and base;
Wherein, the described manipulator (1) of setting upright is by setting upright mechanical paw (8), set upright mechanical paw lining (9), set upright manipulator back seat (10), set upright manipulator back seat lining (11), set upright manipulator turning cylinder (12), cottor pin (13), setting upright manipulator hydraulic cylinder (14), set upright manipulator bearing pin (15), set upright robot base (16), set upright manipulator back seat gusset (17), set upright manipulator rotating shaft pad (18) and set upright manipulator hydraulic cylinder back shaft (44) and connect the back and constitute; Wherein, set upright mechanical paw (8) and set upright between the mechanical paw lining (9) and set upright manipulator back seat (10) and set upright between the manipulator back seat lining (11) and all connect by bolt, set upright manipulator back seat (10) by set upright manipulator turning cylinder (12) respectively be positioned at the mechanical paw (8) of setting upright of setting upright manipulator back seat (10) and arranged on left and right sides and be connected, be positioned at set upright manipulator back seat (10) and arranged on left and right sides the cylinder barrel of setting upright manipulator hydraulic cylinder (14) respectively with corresponding to set upright manipulator hydraulic cylinder back shaft (44) hinged; The piston rod of setting upright manipulator hydraulic cylinder (14) is hinged by setting upright manipulator bearing pin (15) and setting upright mechanical paw (8); Set upright manipulator back seat gusset (17) and be welded in and set upright manipulator back seat (10) and set upright on the robot base (16), set upright manipulator back seat (10) and set upright robot base (16) by being weldingly connected;
Described mobile operating worker (4) is made of operation worker framework (19), operation worker loam cake (43), operation worker travel mechanism, buffering and positioning mechanism and a pair of hydraulic pressure master pincers (2) and hydraulic pressure back-up tong (3), operation worker loam cake (43) is connected with operation worker framework (19) by bolt, and square steel seals (45) and is welded on the operation worker framework (19);
Wherein, described hydraulic pressure master pincers (2) and hydraulic pressure back-up tong (3) are open mouth tongs, corresponding respectively connection hydraulic pressure master clamps supporting seat (21) and hydraulic pressure back-up tong supporting seat (23), and described hydraulic pressure master clamps supporting seat (21) and is vertically connected on the operation worker framework (19) by being connected guide rod (20) and spring (22) with hydraulic pressure back-up tong supporting seat (23);
Described operation worker travel mechanism is made up of angle steel (52), channel-section steel (79), track hydraulic cylinder (55), track hydraulic cylinder piston rod Connection Block (54), wheel shaft (46), roller (47), axle sleeve (51), bearing (49), wheel shaft end cap (50) and angle steel gusset (53); Wherein, wheel shaft (46), roller (47), bearing (49), roller end cap (50) and end screw (48) are formed rotor block, wheel shaft (46) is connected with angle steel (52) by bolt, roller (47) inside is equipped with bearing (49), the outer ring tight fit of described roller (47) and bearing (49), axle sleeve (51) is installed between roller (47) and the angle steel (52), and wheel shaft end cap (50) is connected wheel shaft (46) end by bolt; Angle steel gusset (53) is evenly distributed on the angle steel (52), several rotor blocks are installed on the angle steel (52), track hydraulic cylinder (55) piston rod is connected by bearing pin with track hydraulic cylinder piston rod Connection Block (54), and described rotor block is arranged in channel-section steel (79);
Described buffering and positioning mechanism is made of position block (59), buffer spring (58), buffer bar (60), buffer cover (56) and buffer-oriented end cap (57); Wherein, buffer bar (60) passes buffer spring (58) and is installed in the position block (59), buffer-oriented end cap (57) is positioned at the front end of position block (59), be connected with position block (59) by screw, buffer cover (56) is positioned at the end of buffer-oriented bar (57), is connected with buffer-oriented bar (57) by screw;
Described base is made up of operation worker base (5), power slip (6) and switch board (7);
Wherein, described power slip (6) comprises slip spider (61), slips body and slips driving mechanism; The bottom of described slip spider (61) is distributed with two circle bolts hole from the inside to the outside, and its inboard bolt hole is used for linking to each other with the wellhead blowout preventor flange, and its outside bolt hole is used to connect operation worker base; Described slips body is made up of the main slips body (62) that is inlaid with slip insert (72) separately, left slips body (63) and right slips body (64) three parts, connects by slips body bearing pin (65) between described three parts; Described slips driving mechanism, comprise slip hydraulic cylinder (67), slip hydraulic cylinder cylinder barrel bolt (73), hydraulic cylinder joint (69), main slips body connecting rod (70), main slips body pitman pin (71), main slips body connecting rod middle part bolt (68) and main slips body connecting rod afterbody bolt (66), wherein, slip hydraulic cylinder (67) cylinder barrel links to each other with slip spider (61) by slip hydraulic cylinder cylinder barrel bolt (73), slip hydraulic cylinder (67) piston rod and hydraulic cylinder joint (69) are by being threaded, slip hydraulic cylinder joint (69) is connected by main slips body connecting rod middle part bolt (68) with main slips body connecting rod (70), main slips body (62) is connected by main slips body pitman pin (71) with main slips body connecting rod (70), and main slips body connecting rod (70) is connected by main slips body connecting rod afterbody bolt (66) with slip spider (61);
Described operation worker base (5) comprises base support mechanism and bedframe (78); Described base support mechanism, constitute by threaded supporting base (81), leading screw (77), pallet (74), pallet cover (75) and spanner (76), supporting base (81) and bedframe (78) are by being weldingly connected, leading screw (77) and supporting base (81) are by being threaded, leading screw (77) bottom is a square, and spanner (76) is installed, and leading screw (77) bottom is a hemispherical, be positioned on the pallet (74), pallet (74) is connected by bolt with pallet cover (75); Described bedframe (78) is welded by square steel and base plate (80);
Described switch board (7) comprises switch board housing, joystick and is built in the hydraulic pressure components and parts that the hydraulic system of aforementioned each hydraulic actuating mechanism correspondence is controlled in interior being used to of described housing; Described switch board is used for the operation worker is controlled, and draws signal cable in the described switch board (7) and is connected to central control room to realize the Long-distance Control to described apparatus for work;
Describedly set upright the square steel that manipulator hydraulic cylinder back shaft (44) is welded on operation worker framework (19) and seal on (45), set upright robot base (16) and pass through bolt with operation worker loam cake (43), the symmetrical respectively bottom that is welded in operation worker framework (19) of angle steel (52), channel-section steel (79) then is welded on the upper end of bedframe (78), about be symmetrical distribution; Track hydraulic cylinder (55) is distributed in operation worker framework (19) both sides, the cylinder barrel of track hydraulic cylinder (55) is connected with operation worker base (19) by bolt, track hydraulic cylinder (55) piston rod is connected by bearing pin with track hydraulic cylinder piston rod Connection Block (54), track hydraulic cylinder piston rod Connection Block (54) is welded on the operation worker framework (19), position block (59) is welded on operation worker base (5) front end, is connected by bolt between the bottom of base plate (80) and slip spider (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201110091861 CN102191923B (en) | 2011-04-13 | 2011-04-13 | Long-distance control wellhead operation device for workover operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110091861 CN102191923B (en) | 2011-04-13 | 2011-04-13 | Long-distance control wellhead operation device for workover operation |
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| Publication Number | Publication Date |
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| CN102191923A true CN102191923A (en) | 2011-09-21 |
| CN102191923B CN102191923B (en) | 2013-05-22 |
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| CN 201110091861 Expired - Fee Related CN102191923B (en) | 2011-04-13 | 2011-04-13 | Long-distance control wellhead operation device for workover operation |
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| CN (1) | CN102191923B (en) |
Cited By (19)
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| CN103223668A (en) * | 2013-04-03 | 2013-07-31 | 青岛航远工业装备股份有限公司 | Remote control manipulator for transporting OCTGs (oil country tubular goods) |
| CN103775008A (en) * | 2012-10-27 | 2014-05-07 | 中国石油化工股份有限公司 | Method and device for rod tube centering and guiding and lifting ring disconnecting and hanging in mechanical well repair operation |
| CN103939038A (en) * | 2014-04-10 | 2014-07-23 | 江苏申利达机械制造有限公司 | Hydraulic power tongs without tooth marks |
| CN104358534A (en) * | 2014-10-31 | 2015-02-18 | 无锡中地地质装备有限公司 | Guide rod structure for dismounting pipe |
| CN105064936A (en) * | 2015-08-12 | 2015-11-18 | 马剑虹 | Multifunctional righting device for workover operation |
| CN105625965A (en) * | 2016-03-24 | 2016-06-01 | 江苏如石机械有限公司 | Intelligent well drilling power tongs |
| CN105840117A (en) * | 2016-05-18 | 2016-08-10 | 北京海格立斯智能装备技术有限公司 | Minor repair operation oil field well repair system |
| CN106194070A (en) * | 2016-08-30 | 2016-12-07 | 杨若森 | There is the workover fluid pressing tongs of remote control |
| CN106761490A (en) * | 2017-01-05 | 2017-05-31 | 吴立中 | One kind is without impression hydraulic tongs |
| CN106761492A (en) * | 2017-02-10 | 2017-05-31 | 吴立中 | A kind of method that utilization torque wrench moment and break-out torque optimize oil pipe operation |
| CN107013171A (en) * | 2017-05-22 | 2017-08-04 | 大连理工大学 | A kind of new iron driller caliper clamping slips |
| CN107288581A (en) * | 2017-07-28 | 2017-10-24 | 中国海洋石油总公司 | Marine self-propelled installing wellhead work implement |
| CN109779542A (en) * | 2019-03-14 | 2019-05-21 | 胜利油田胜机石油装备有限公司 | Hydraulic tongs |
| CN111472697A (en) * | 2019-01-24 | 2020-07-31 | 江苏如通石油机械股份有限公司 | Automatic operation device for minor workover |
| CN111472701A (en) * | 2019-01-24 | 2020-07-31 | 江苏如通石油机械股份有限公司 | Automatic notch aligning device for spinner clamp |
| CN111472700A (en) * | 2019-01-24 | 2020-07-31 | 江苏如通石油机械股份有限公司 | Automatic pipe rod screwing and unscrewing device |
| CN112814594A (en) * | 2021-03-17 | 2021-05-18 | 弘朗瑞智能装备制造有限公司 | Wellhead platform of intelligent workover rig |
| CN113638701A (en) * | 2021-10-13 | 2021-11-12 | 北京恒利新源地热能科技有限公司 | Drill rod centralizer of top drive type geothermal drilling machine |
| CN117307061A (en) * | 2023-11-28 | 2023-12-29 | 克拉玛依市建业能源股份有限公司 | Electrically-driven small-repair wellhead unmanned operation platform |
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| CN103775008A (en) * | 2012-10-27 | 2014-05-07 | 中国石油化工股份有限公司 | Method and device for rod tube centering and guiding and lifting ring disconnecting and hanging in mechanical well repair operation |
| CN103775008B (en) * | 2012-10-27 | 2015-12-16 | 中国石油化工股份有限公司 | The righting of mechanization workover treatment rod tube guides method and the device of dislodging suspension ring |
| CN103223668B (en) * | 2013-04-03 | 2016-05-04 | 青岛赛琳特智能科技有限公司 | OCTG carrying Remote manipulator |
| CN103223668A (en) * | 2013-04-03 | 2013-07-31 | 青岛航远工业装备股份有限公司 | Remote control manipulator for transporting OCTGs (oil country tubular goods) |
| CN103939038B (en) * | 2014-04-10 | 2016-08-17 | 江苏申利达机械制造有限公司 | A kind of without dental impression hydraulic power tongs |
| CN103939038A (en) * | 2014-04-10 | 2014-07-23 | 江苏申利达机械制造有限公司 | Hydraulic power tongs without tooth marks |
| CN104358534A (en) * | 2014-10-31 | 2015-02-18 | 无锡中地地质装备有限公司 | Guide rod structure for dismounting pipe |
| CN105064936A (en) * | 2015-08-12 | 2015-11-18 | 马剑虹 | Multifunctional righting device for workover operation |
| CN105625965A (en) * | 2016-03-24 | 2016-06-01 | 江苏如石机械有限公司 | Intelligent well drilling power tongs |
| CN105840117A (en) * | 2016-05-18 | 2016-08-10 | 北京海格立斯智能装备技术有限公司 | Minor repair operation oil field well repair system |
| CN106194070A (en) * | 2016-08-30 | 2016-12-07 | 杨若森 | There is the workover fluid pressing tongs of remote control |
| CN106761490A (en) * | 2017-01-05 | 2017-05-31 | 吴立中 | One kind is without impression hydraulic tongs |
| CN106761490B (en) * | 2017-01-05 | 2018-08-14 | 吴立中 | A kind of no impression hydraulic tongs |
| CN106761492A (en) * | 2017-02-10 | 2017-05-31 | 吴立中 | A kind of method that utilization torque wrench moment and break-out torque optimize oil pipe operation |
| CN106761492B (en) * | 2017-02-10 | 2018-08-14 | 吴立中 | A method of optimizing oil pipe operation using torque wrench moment and break-out torque |
| CN107013171A (en) * | 2017-05-22 | 2017-08-04 | 大连理工大学 | A kind of new iron driller caliper clamping slips |
| CN107288581A (en) * | 2017-07-28 | 2017-10-24 | 中国海洋石油总公司 | Marine self-propelled installing wellhead work implement |
| CN107288581B (en) * | 2017-07-28 | 2019-04-23 | 中国海洋石油集团有限公司 | Marine self-propelled installing wellhead work implement |
| CN111472697A (en) * | 2019-01-24 | 2020-07-31 | 江苏如通石油机械股份有限公司 | Automatic operation device for minor workover |
| CN111472701A (en) * | 2019-01-24 | 2020-07-31 | 江苏如通石油机械股份有限公司 | Automatic notch aligning device for spinner clamp |
| CN111472700A (en) * | 2019-01-24 | 2020-07-31 | 江苏如通石油机械股份有限公司 | Automatic pipe rod screwing and unscrewing device |
| CN111472697B (en) * | 2019-01-24 | 2023-09-22 | 江苏如通石油机械股份有限公司 | Automatic operation device for small workover |
| CN111472700B (en) * | 2019-01-24 | 2023-09-26 | 江苏如通石油机械股份有限公司 | Automatic pipe rod screwing-in and unscrewing device |
| CN109779542A (en) * | 2019-03-14 | 2019-05-21 | 胜利油田胜机石油装备有限公司 | Hydraulic tongs |
| CN109779542B (en) * | 2019-03-14 | 2024-04-02 | 胜利油田胜机石油装备有限公司 | Hydraulic pliers |
| CN112814594A (en) * | 2021-03-17 | 2021-05-18 | 弘朗瑞智能装备制造有限公司 | Wellhead platform of intelligent workover rig |
| CN113638701A (en) * | 2021-10-13 | 2021-11-12 | 北京恒利新源地热能科技有限公司 | Drill rod centralizer of top drive type geothermal drilling machine |
| CN113638701B (en) * | 2021-10-13 | 2022-03-25 | 北京恒利新源地热能科技有限公司 | Drill rod centralizer of top drive type geothermal drilling machine |
| CN117307061A (en) * | 2023-11-28 | 2023-12-29 | 克拉玛依市建业能源股份有限公司 | Electrically-driven small-repair wellhead unmanned operation platform |
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| CN102191923B (en) | 2013-05-22 |
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