CN104818963A - Non-counterweight digital intelligent oil (gas) pump - Google Patents
Non-counterweight digital intelligent oil (gas) pump Download PDFInfo
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- CN104818963A CN104818963A CN201510173092.8A CN201510173092A CN104818963A CN 104818963 A CN104818963 A CN 104818963A CN 201510173092 A CN201510173092 A CN 201510173092A CN 104818963 A CN104818963 A CN 104818963A
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- 238000005086 pumping Methods 0.000 claims abstract description 50
- 230000007704 transition Effects 0.000 claims abstract description 44
- 230000005540 biological transmission Effects 0.000 claims abstract description 18
- 239000003381 stabilizer Substances 0.000 claims description 14
- 238000010168 coupling process Methods 0.000 claims description 12
- 238000005859 coupling reaction Methods 0.000 claims description 12
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- 238000004804 winding Methods 0.000 claims description 9
- 238000012423 maintenance Methods 0.000 abstract description 12
- 238000009434 installation Methods 0.000 abstract description 8
- 230000007613 environmental effect Effects 0.000 abstract description 7
- 239000002994 raw material Substances 0.000 abstract description 6
- 229910000831 Steel Inorganic materials 0.000 abstract description 4
- 239000010959 steel Substances 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 69
- 239000007789 gas Substances 0.000 description 28
- 238000004519 manufacturing process Methods 0.000 description 14
- 238000013461 design Methods 0.000 description 10
- 239000010779 crude oil Substances 0.000 description 8
- 241000209094 Oryza Species 0.000 description 7
- 235000007164 Oryza sativa Nutrition 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 7
- 235000009566 rice Nutrition 0.000 description 7
- 239000003245 coal Substances 0.000 description 6
- 238000005183 dynamical system Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 238000005457 optimization Methods 0.000 description 6
- 230000005611 electricity Effects 0.000 description 5
- 238000005065 mining Methods 0.000 description 5
- 239000003129 oil well Substances 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 230000002354 daily effect Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 238000011161 development Methods 0.000 description 4
- 230000003203 everyday effect Effects 0.000 description 4
- 238000000605 extraction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004134 energy conservation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000003345 natural gas Substances 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 241000282326 Felis catus Species 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 239000003209 petroleum derivative Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000005303 weighing Methods 0.000 description 2
- -1 CNOOC Substances 0.000 description 1
- 241001023788 Cyttus traversi Species 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
- E21B43/121—Lifting well fluids
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a non-counterweight digital intelligent oil (gas) pump. The non-counterweight digital intelligent oil (gas) pump comprises a stand, wherein a machine body is mounted on the stand; a power driving device is mounted at the inner side of the bottom of the machine body; a telescopic transition wheel bracket assembly is mounted at the top end of the machine body, and is wound with a traction steel wire rope; and one end of the traction steel wire rope is connected with an oil pumping rod polish rod, and the other end is in transmission connection with the power driving device through a load reducing movement pulley assembly. The power system is arranged at the bottom end in the machine body, so that the characteristics of safety, environmental protection and random adjustment (1-5 m) of stroke length are achieved. Moreover, a counterweight device is omitted, so that the raw material is saved, the cost is reduced, and the most important is that a series of troubles and unsafe factors of installation, maintenance and operation caused by the counterweight device are thoroughly solved.
Description
Technical field
The present invention relates to a kind of oil pumping (gas) machine, relate to a kind of without counterweight digital intelligent oil pumping (gas) machine specifically, belong to oil, gas mining equipment technical field.
Background technology
The maximum oil recovery production consumption of domestic and international field of petroleum exploitation is exactly oil production equipment--oil pumper.Oil production equipment (oil pumper), just accounts for more than 60% in the consumption of whole oil field outlay of production.
And the capital equipment of domestic and international oil extraction in oil field is beam pumping unit at present, as shown in Figure 1 and Figure 2, the front end of walking beam 2 is provided with horse head 3 and close well head 1, the rear end of walking beam 2 is connected with counterweight 5, and be in transmission connection with motor 6 and reductor 4, this oil pumper is still the old-fashioned U.S. equipment of the fifties, and its complex structure, maintenance rate are high, consumed power is large but still account for more than 90% in the onsite application of Oilfield Mining Area.
This oil pumper volume is large, complex structure, maintenance rate are high, and belong to heavy ancient type equipment, its maximum defect is that consumed power is excessive, wastes energy too many.Because this oil pumper is lever rocker style configuration form, the disadvantage of low load with strong power is inherently there is from power transmission arrangment, aerodynamic power is caused to waste when oil pumper reciprocates to down stroke, aerodynamic power is there will be again excessive during upstroke, and limit due to the overall structure of this oil pumper, its power dissipation situation can not be changed.
In recent years, this ancient apparatus-form of beam pumping unit is broken away from the development of domestic and international oil field equipment and research also attempt, successively there is the development of the type classes such as chain type oil pump, intelligent friction-type oil-pumping machine, electric-controlled oil pumping machine, belt oil pumping machine, but do not change the present situation of beam pumping unit occuping market 90% so far.
Such as:
(1) though, friction-type oil-pumping machine is tower-type structure, power source vibrational power flow is unreasonable, makes that complete machine runs steadily, noise is large, and must move outside complete machine when workover treatment;
(2), chain type oil pump, as shown in Figure 3, although this type also uses vertical structure, transmission system is still identical with beam pumping unit form, remains the equilibrium of upper and lower running force, by traction belt 8 transmission between counterweight 5 and sucker rod, counterweight 5 and reductor, directly by chain 7 transmission, still do not solve the defect that low load with strong power, power consumption are excessive, and are provided with gas bag bascule, more cause many loaded down with trivial details and troubles, not popular with users yet;
(3), belt type pumping unit and electric-controlled oil pumping machine as shown in Figure 4, also exist that the maintenance caused due to chain drive is loaded down with trivial details, safety factor is poor too, formed and can not change and the defect of job insecurity.Serious hidden danger is brought to safety in production.
(4), V-structure formula oil pumper and linear motor type oil pumper as shown in Figure 5, although be provided with guide rail 9 in the stroke up and down of counterweight 5, still all cannot ensure operation procedure and the production requirement of oil field actual production.All type oil pumpers only account for about 10% of oil field equipment above, still can not substitute the application rate of beam pumping unit.
Along with the needs that oil extraction in oil field is produced, reduce cost of production imperative, and oil recovery cost of production will be reduced first must solve energy consumption, because oil pumper energy consumption accounts for more than 60% of funds expenditure in oil extraction in oil field is produced.Meanwhile, because Oilfield Mining Area oil producing operation site environment is severe, institute's use equipment must have feature that is safe, efficient, energy-saving and environmental protection, this is that oil extraction in oil field is urgently expected.Develop program controlled energy-saving oil pumping machine, for Oilfield Mining Area actual needs and energy-saving and environmental protection, safety requirement and design.
And nearly 300,000 mouthfuls of the existing producing well of oil field at home, and annual new mining area and infill drilling about 50,000 mouthfuls more than, estimate that every old well upgrades and the new supporting need of well increase oil pumper 5-6 ten thousand newly, pumping unit demand is large, also urgently wishes advanced person, energy-conservation, reliable new pumping unit substitutes old product.Meanwhile, under the macroeconomic situation of national Efforts To Develop energy-saving and emission-reduction, the exploitation of new forms of energy-shale gas, coal bed gas launches.China has been verified up till now shale gas, coal bed gas account for 40% more than of whole world reserves;
Especially at present country started to drop into substantial contribution in Sichuan, Shanxi, Shaanxi, the Northeast's exploitation.After estimating 3-5, shale gas, coal bed gas are by becoming the main force of the supplementary petroleum gas energy of China, to give material assistance to the energy shortage of petroleum gas.Therefore, novel oil production (gas) equipment is researched and developed imperative.
Accordingly, under the great assistance of the brainstrusts such as CNPC, natural gas, CNOOC, coal bed gas, China University Of Petroleum Beijing, Chinese Daqing oil field, Xinjiang Oilfield, in conjunction with we three during the last ten years design research and development various oil pumper field practice, dissect domestic and international beam pumping unit, onsite application feature without beam pumping unit, developed without counterweight digital intelligent oil pumping (gas) machine.This digital intelligent oil pumping (gas) machine, will fill up domestic and international blank.
Summary of the invention
The problem to be solved in the present invention is the above-mentioned defect in order to overcome traditional oil pumper, there is provided a kind of without counterweight digital intelligent oil pumping (gas) machine, thoroughly broken world's oil pumper in history all oil pumpers all there is the design feature of counter weight device, utilize the principle that art is good for strength, advanced digital intelligent is reliably coordinated to control, eliminate counter weight device, not only save raw material and reduce cost, the more important thing is the installation, maintenance, operation etc. a series of trouble and the unsafe factor that thoroughly solve because counter weight device causes.
In order to solve the problem, the present invention by the following technical solutions:
A kind of without counterweight digital intelligent oil pumping (gas) machine, comprise support, described support is provided with body, the bottom inside of described body is provided with Power Drive Unit, the top of body is provided with telescopic transition wheel bracket assembly, transition wheel bracket assembly is wound with haulage cable, and wherein one end of haulage cable is connected with sucker rod polished rod, is in transmission connection between the other end and Power Drive Unit by off-load traveling sheave assembly.
Dynamical system has been arranged on the bottom in body by the present invention, has the feature of safety and environmental protection, and has the advantages that length of stroke adjusts arbitrarily (1-5 rice).And eliminate counter weight device, not only save raw material and reduce cost, the more important thing is the installation, maintenance, operation etc. a series of trouble and the unsafe factor that thoroughly solve because counter weight device causes.
Below the further optimization of the present invention to such scheme:
Off-load traveling sheave assembly comprises one and to can slide up and down hitch, and the upper end of hitch is connected with haulage cable by coupling, and the lower end of hitch is rotatably connected to off-load pulley, and off-load pulley and Power Drive Unit are in transmission connection.
In power traction structure, employ movable pulley and be combined with quiet pulley, make the weight that little traction power stretchy down-hole is large, and rotating comprehensive dynamic consumption rate conventional beam-pumping unit saves more than 50%.
Further optimization:
Position near hitch both sides on described body is separately installed with guide rail, and the both sides of described hitch are separately installed with the guide wheel that can slide up and down along guide rail.
Guide wheel and guide rail ensure that off-load pulley is in upper and lower operation, remains at center, steadily continuous operation reliably.
Further optimization:
Described Power Drive Unit comprises the cylinder be arranged on inside organism bottom, described cylinder is wound with cylinder lay winding wire ropes, wherein one end of described cylinder lay winding wire ropes is fixed and is wrapped on cylinder, the other end is walked around off-load pulley and is connected with stabilizer, position on described body between off-load pulley and cylinder is fixedly installed stabilizer clamped beam, and described stabilizer is rotatably supported on stabilizer clamped beam.
Described hitch is provided with interlock inductor, when off-load pulley go upward to pulley top dead centre, come downwards to pulley lower dead center time, respectively location sensitive signal is reached control system, index drum rotating, circulates successively, prevents stroke excess.
Further optimization: the upper end of described sucker rod polished rod is connected by polished rod coupling with between haulage cable, and polished rod coupling is provided with sensor.By the change of down-hole liquid level height, traction gravimetric data, can be reflected in accurately by sensor on the display screen in electric control box.
Further optimization:
Described transition wheel bracket assembly comprises transition wheel support, is separately installed with First Transition wheel and the second transition wheel before and after on described transition wheel support, and described haulage cable walks around First Transition wheel and the second transition wheel in order respectively.
The top of described body is rotatably connected to expansion teeth wheel shaft near the position of transition wheel support, and described expansion teeth wheel shaft is provided with flexible gear, described transition wheel support is provided with can with the tooth bar of flexible meshed transmission gear.
Simultaneously transition wheel assembly can stretch arbitrarily, and when workover treatment, inspection pump, complete machine does not need displacement.
Further optimization: described support is connected by central axis with between body, described body can tilt backwards maximum to 15 degree around central axis.The corresponding well head in below of sucker rod polished rod, the side near well head between body and support is connected with front support, for supporting body; Be connected with adjustment pull bar away from the side of well head between described body and support, adjust when facilitating body to tilt.When large well workover removes sleeve pipe, body, when base is motionless, can be swung back arbitrarily angled, for any size workover treatment provides enough spaces.
The present invention adopts such scheme, has the following advantages:
1, eliminate counter weight device, not only save raw material and reduce cost, the more important thing is the installation, maintenance, operation etc. a series of trouble and the unsafe factor that thoroughly solve because counter weight device causes.
2, up to the present, domestic and international institute with or without beam type (tower-type) oil pumper, be all dynamical system in pylon upper end, dynamical system has been arranged on the bottom in body by the present invention, there is the feature of safety and environmental protection, and have the advantages that length of stroke adjusts arbitrarily (1-5 rice).
3, have a kind of belt type pumping unit and inclination annular tooth oil pumper, although dynamical system in the middle part of pylon and lower end outside, be all chain sprocket transmission, can not any intellectual adjustment length of stroke, simultaneously also with counterweight.The present invention due to length of stroke, jig frequency speed can according to down-hole requirement, any adjustment, so not only adaptation crude oil promotes, to shale gas, coal bed gas discharge opeing promote have more applied characteristic.
4, facts have proved, pulling force uses the traction belt of rubber synthesis, durable, convenient, reliable not as using wire rope.The extra steel wire rope that the present invention uses nylon steel wire to synthesize is that traction pulls form.
5, the present invention adopts off-load traveling sheave assembly, in power traction structure, employs movable pulley and is combined with quiet pulley, makes the weight that little traction power stretchy down-hole is large, and rotating comprehensive dynamic consumption rate conventional beam-pumping unit saves more than 50%.
6, the present invention adopts interlock inductor and sensor, can not only Based Intelligent Control, adjustment the machine jig frequency speed, length of stroke, can also the distance of liquid level and ground line under detecting shaft.And there is Long-distance Control and adjustment the machine operational factor.The sensor that sucker rod polished rod is installed, by the change of down-hole liquid level height, traction gravimetric data, can be reflected in by sensor on the display screen in electric control box accurately.
7, dynamical system to be installed in body in lower bottom part pylon by the present invention, economizes the cat ladder up and down except outside, so it is very convenient to safeguard.When needing upper top once in a while, the safety cabinet climbing up top that can be safe in body, very safe ready.
8, simultaneously the transition wheel assembly on top of the present invention can stretch arbitrarily, and when workover treatment, inspection pump, complete machine does not need displacement.When large well workover removes sleeve pipe, body, when base is motionless, can be swung back arbitrarily angled, for any size workover treatment provides enough spaces.
9, the outside of body of the present invention is full-closed structure, can adapt to the various adverse circumstances of oil gas field and weather conditions.
Below in conjunction with drawings and Examples, the invention will be further described.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of conventional beam-pumping unit in background technology of the present invention;
Accompanying drawing 2 is the structural representation of rear barbell beam pumping unit in background technology of the present invention;
Accompanying drawing 3 is the structural representation without walking beam (belt, chain type) oil pumper in background technology of the present invention; ;
Accompanying drawing 4 is the structural representation without walking beam (balance, program control type) oil pumper in background technology of the present invention;
Accompanying drawing 5 is the structural representation without walking beam (linear motor type) oil pumper in background technology of the present invention;
Accompanying drawing 6 is the structural representation without counterweight digital intelligent oil pumping (gas) machine in the embodiment of the present invention;
Accompanying drawing 7 is without structural behavior schematic diagram during counterweight digital intelligent oil pumping (gas) machine minor repair well in the embodiment of the present invention;
Structural behavior schematic diagram when accompanying drawing 8 is well workover large without counterweight digital intelligent oil pumping (gas) machine in the embodiment of the present invention;
The structural behavior schematic diagram of off-load traveling sheave assembly when accompanying drawing 9 is embodiment of the present invention middle-deep well large load;
Accompanying drawing 10 is the lateral view of accompanying drawing 9;
The structural representation of the power set in off-load traveling sheave assembly when accompanying drawing 11 is embodiment of the present invention middle-deep well general load;
Accompanying drawing 12 is the structural representation of transition wheel bracket assembly in the embodiment of the present invention;
Accompanying drawing 13 is the top view of accompanying drawing 12;
Accompanying drawing 14 is work signal and the digital intelligent display figure of electric control box in the embodiment of the present invention.
In figure: 1-well head; 2-walking beam; 3-horse head; 4-reductor; 5-counterweight; 6-motor; 7-chain; 8-traction belt; 9-guide rail; 10-support; 11-central axis; 12-body; 13-front support; 14-polished rod coupling; 15-sensor; 16-guide wheel; 17-hitch; 18-pulley lower dead center; 19-adjusts pull bar; 20-sucker rod polished rod; 21-First Transition is taken turns; 22-second transition wheel; 23-pulley top dead centre; 24-haulage cable; 25-transition wheel support; 26-protective cover; 27-links inductor; 28-off-load pulley; 29-cylinder lay winding wire ropes; 30-theory of even development fixed mount; 31-stabilizer; 32-cylinder; 33-roller bearing; 34-mounting base; 35-external rotor electric machine band cylinder; 36-motor support base; 37-tooth bar; 38-stretches gear; 39-expansion teeth wheel shaft; 40-coupling; 41-liquid crystal control panels; 42-electric control box.
Detailed description of the invention
Embodiment, as shown in Figure 6, a kind of without counterweight digital intelligent oil pumping (gas) machine, comprise support 10, described support 10 is provided with body 12, the bottom inside of described body 12 is provided with Power Drive Unit, the top of body 12 is provided with telescopic transition wheel bracket assembly, transition wheel bracket assembly is wound with haulage cable 24, wherein one end of haulage cable 24 is connected with sucker rod polished rod 20, is in transmission connection between the other end and Power Drive Unit by off-load traveling sheave assembly.
The top of transition wheel bracket assembly is provided with openable protective cover 26, is convenient to the maintenance of transition wheel bracket assembly.
Off-load traveling sheave assembly comprises one and to can slide up and down hitch 17, and the upper end of hitch 17 is connected with haulage cable 24 by coupling 40.
Position near hitch 17 both sides on described body 12 is separately installed with guide rail 9, and the both sides of described hitch 17 are separately installed with the guide wheel 16 that can slide up and down along guide rail 9;
The lower end of hitch 17 is rotatably connected to off-load pulley 28, and off-load pulley 28 and Power Drive Unit are in transmission connection.
Described Power Drive Unit comprises the cylinder 32 being arranged on body 12 bottom inside, described cylinder 32 is wound with cylinder lay winding wire ropes 29, wherein one end of described cylinder lay winding wire ropes 29 is fixed and is wrapped on cylinder 32, the other end is walked around off-load pulley 28 and is connected with stabilizer 31, position on described body 12 between off-load pulley 28 and cylinder 32 is fixedly installed stabilizer clamped beam 30, and described stabilizer 31 is rotatably supported on stabilizer clamped beam 30.
Stabilizer 31 holds two cylinder lay winding wire ropes 29 curled, and when cylinder 32 positive and negative rotation, ensures the symmetrical balance of two off-load pulleys 28, operate steadily up and down.
Wherein one end of cylinder 32 is fixed on one piece of mounting base 34 by roller bearing 33, and the other end is connected with reductor 4 and motor 6, and reductor 4 is also fixed on mounting base 34.
Cylinder 32 external diameter is provided with wirerope-winding groove that is left-handed, dextrorotation, is not rubbed to draw during wire rope curls before protecting.When cylinder 32 turns left, curl on cylinder 32 by two haulage cables, haulage cable drives off-load pulley to move down simultaneously.Because off-load pulley connects with the haulage cable on hitch and coupling, haulage cable is connected with sucker rod polished rod by First Transition wheel and the second transition wheel, so, drive underground reciprocating pump piston up, during to preseting length, intelligence control system orders about motor reversal, at this moment, due to underground sucker rod polished rod and reciprocating piston pump weight caused by, when motor very small area analysis, can descending operation.Go round and begin again, upper and lower continuous operation.
Described hitch 17 is provided with interlock inductor 27, when off-load pulley 28 go upward to pulley top dead centre 23, come downwards to pulley lower dead center 18 time, respectively location sensitive signal is reached control system, index drum 32 rotating, circulates successively, prevents stroke excess.
The upper end of described sucker rod polished rod 20 is connected by polished rod coupling 14 with between haulage cable 24, and polished rod coupling 14 is provided with sensor 15.By sucker rod sensing measurement down-hole liquid level, down-hole pump runs gravity.
When the large load of deep-well, power set adopt structure as shown in Figure 9 and Figure 10, can be adapted to the deep-well of pump setting depth more than 1000 meters-3000 meters.
When general load, described Power Drive Unit can also adopt structure as shown in figure 11, described cylinder adopts the structure of external rotor electric machine band cylinder 35, and its two ends are fixedly mounted on mounting base 34 respectively by motor support base 36, can be adapted to the hole condition of pump setting depth within 1000 meters.
As shown in Figure 12 and Figure 13, described transition wheel bracket assembly comprises transition wheel support 25, be separately installed with First Transition wheel 21 and the second transition wheel 22 before and after on described transition wheel support 25, described haulage cable 24 walks around First Transition wheel 21 and the second transition wheel 22 in order respectively.
The top of described body 12 is rotatably connected to expansion teeth wheel shaft 39 near the position of transition wheel support 25, and described expansion teeth wheel shaft 39 is provided with flexible gear 38, described transition wheel support 25 is provided with can with the tooth bar 37 of flexible gear 38 engaged transmission.
Be rotationally connected by central axis 11 between described support 10 and body 12, described body 12 can tilt backwards maximum to 15 degree around central axis 11.
The corresponding well head 1 in below of sucker rod polished rod 20, the side near well head 1 between body 12 and support 10 is connected with front support 13, for supporting body 12.
Be connected with away from the side of well head 1 between described body 12 and support 10 and adjust pull bar 19, adjust when facilitating body 12 to tilt.
As shown in Figure 7, when needs minor repair well, drive flexible gear 38 to rotate by Power Drive Unit, and move after driving transition wheel support 25 entirety, make the superjacent air space of well head 1 there is no obstruction completely, be convenient to underground work.
As shown in Figure 8, when the large well workover of needs, need the top position installation and maintenance equipment etc. at well head 1, this just needs larger space, so just can by adjustment adjustment pull bar 19 and front support 13, body 12 entirety is rotated and hypsokinesis around central axis 11, greater room is abdicated in the top of well head 1, is convenient to underground work.
As shown in figure 14, the Power Drive Unit of the power set of described cylinder and ferry boat support 25, interlock inductor 27 and sensor 15 are electrically connected with electric control box 42 respectively.
Electric control box 42 is provided with liquid crystal control panels 41, is also provided with on power knob A, start button B, crawl button E, stop botton F and remote control button G and speed governing fast button H, speed governing slow button I, stroke long button J, the short button K of stroke under button C, alarm button D, crawl.
Present invention employs advanced digital intelligent control system reliably, there is soft start, callipers brake car, overload, underload, overheated global function protective value, and there is automatic speed regulating function and crawl stretches out operating function.Achieve any adjustment that sucker rod moves back and forth linear velocity and length of stroke, any requirement of oil well hole condition can be adapted to, can also need to set jig frequency and speed at any time according to hole condition, and digital remote control operation and monitoring can be realized.
By the software program setting in electric control box, the display screen in electric control box can demonstrate: supply voltage, operating current, motor speed, driving stroke, work jig frequency, up-down stroke gravity, down-hole liquid level, pump setting depth, environment temperature, motor temperature, system temperature.
In overall design, mainly strict calculating determines complete machine geometry force structure, the positioning supporting point position of each transmission support parts.Meanwhile, to power transmission direction, position, moment of torsion, guide frame performance, suspension point height and load, length of stroke location, jig frequency speed designs etc., all have passed through the designing and calculating of strict science.Vention fully achieves the index request of its every Technique performance parameter.
In development process, design basis, technological datum, manufacture benchmark, process program that reference for assembling is unified all be have employed to the making of each geometry of complete machine pylon, location.Its technical performance index is bought from raw material, quality chemical examination, material heat treatment, the accuracy of manufacture have all carried out strict quality criteria requirements.
The suspending point loading of this product, trailing weight, dynamic torque, frictional force, stroke location, jig frequency line rate are all determined under strict technical indicator.The present invention, thoroughly broken world's oil pumper in history all oil pumpers all there is the design feature of counter weight device, utilize the principle that art is good for strength, advanced digital intelligent is reliably coordinated to control, eliminate counter weight device, not only save raw material and reduce cost, the more important thing is the installation, maintenance, operation etc. a series of trouble and the unsafe factor that thoroughly solve because counter weight device causes.
Novel structure of the present invention, design preferences, really achieve safety and environmental protection, energy-conservation stable requirement, is that the large invention of one in liquid equipment is adopted in domestic and international oil (gas) field.And utilize digital intelligent to control, make power source consumption aspect compared with old-fashioned oil pumper, can save energy more than 50%.Especially for the feature of coal bed gas discharge opeing engineering, have employed there is domestic and international advanced level design, structure, control program, present invention achieves reliable and practical real special performance.
Machine shape of the present invention is the totally-enclosed design of tower-type, and dynamical system is arranged on complete machine inner bottom part, and installation, maintenance is convenient.
The present invention is outside without cat ladder, and during workover treatment, complete machine does not need outer moving, and workover treatment can be made to have enough spaces.Avoid the phenomenon of moving outside its alloytype oil pumper workover treatment complete machine, achieve real safety work and ensure.
Traction Drive of the present invention employs international most advanced reliable nylon mixed friendship wire rope, substantially increases working life and the tractive force of trailer system.
Present invention employs advanced digital intelligent control system reliably, achieve any adjustment that sucker rod moves back and forth linear velocity and length of stroke, any requirement of oil well hole condition can be adapted to, and digital remote control operation and monitoring can be realized.
Complete machine external form of the present invention is full-closed structure, serves the Environmental Safety effect of sand-proof, rain and snow.
The present invention, type divides A, B two types, and A type machine can realize most high-stroke 5-6 rice; Hole condition within pump setting depth 1000 meters; Type B machine can realize most high-stroke 5-6 rice; Hole condition within pump setting depth 1000 meters to 2500 meters.
Its structural principle of the present invention affects power to reduce without counterweight digital intelligent control balance, and its oil production technology performance is with long stroke, jogging speed to improve the loading of pump chamber, thus improves the operating efficiency of oil well pump.Accordingly, energy-conservation, yield increase effect can be analyzed as follows:
1, the conventional pumping unit of Oil Field use at present, as: 12-14 type beam pumping unit affects power to be 37-45kW, its, power consumption was every day: 37kW power consumption every day is 888 degree, and calculate 300 day working day by annual operation, the annual power consumption of 37kW is 266400 degree; 45kW power consumption every day is 1080 degree; Calculate 300 day working day by annual operation, the annual power consumption of 45kW is 2324000 degree; By often degree electricity 1.0 yuan of calculating, the annual electricity charge of 37kW (300 days × 888 degree × 1.0 yuan)=266400.00 yuan, the annual electricity charge of 45kW 300 days × 1080 degree × 1.0 yuan)=324000.00 yuan;
2, the present invention is equivalent to the type of 12-14 type service behaviour, the actual power that affects is 12-15kW, every day, power consumption was 288 ~ 360 degree, calculate at 300 days on working day per year, year power consumption is: 86400 degree ~ 108000 degree, and by often spending electric 1.0 yuan of calculating, the annual electricity charge are 86400.00 yuan-108000.00 yuan, compared with conventional beam-pumping unit, every platform every year can power cost saving and other fees:
(1), 266400.00 yuan-86400.00 yuan=180000.00 yuan (37kW);
(2), 324000.00 yuan-108000.00 yuan=216000.00 yuan (45kW);
(3) the ballast box cost, saved is: 2-3 ten thousand yuan;
(4), annual installation, maintenance expense of saving counts roughly 20,000 yuan;
More than add up to (on average): 19.8 ten thousand yuan+2.5 ten thousand yuan+2 ten thousand yuan=24.3 ten thousand yuan
3, the efficiency of the downhole pump of conventional beam-pumping unit drive is at present that the pump efficiency that 800-1500 rice hung by pump is 40-60%; The pump efficiency of pump setting depth 1500-2500 rice is 40-50%.And the present invention can make pump efficiency greatly improve: the pump efficiency that pump setting depth is 800 ~ 1500 meters can reach 75-85%, the pump efficiency of pump setting depth 1500-2500 rice is 65-75%, and the average pump efficiency that improves is more than 20%, and weighing apparatus all improves pump efficiency and reaches more than 15%.
Calculate if 4 all improve pump efficiency 15% according to weighing apparatus, the oil well of conventional beam-pumping unit daily output crude oil 10 tons, uses the present invention, can bring up to daily output crude oil more than 11.5 tons.
5, by crude oil per ton 4000 yuan calculating: the oil well of conventional beam-pumping unit daily output crude oil 10 tons, on 300 days working days of year, crude oil 3000 tons is produced per year, the output value 1,200 ten thousand yuan.The present invention produces crude oil 11.5 tons daily, 300 days working days of year, produces crude oil 3450 tons per year, the output value 1,380 ten thousand yuan.
Calculate the present invention with this, increase production 450 tons than conventional beam-pumping unit year, year increases the output value 1,800,000 yuan.
If use the present invention of natural gas power unit type, every platform oil pumper also can save the national grid electricity charge more than 10 ten thousand yuan every year again.Utilize again simultaneously oil field from overflow and the natural gas of block gas well output as power source, achieving can not the making full use of of gas recovery, and reduction effect is obviously given prominence to especially.
Claims (10)
1. one kind without counterweight digital intelligent oil pumping (gas) machine, comprise support (10), described support (10) is provided with body (12), it is characterized in that: the bottom inside of described body (12) is provided with Power Drive Unit, the top of body (12) is provided with telescopic transition wheel bracket assembly, transition wheel bracket assembly is wound with haulage cable (24), wherein one end of haulage cable (24) is connected with sucker rod polished rod (20), is in transmission connection between the other end and Power Drive Unit by off-load traveling sheave assembly.
2. according to claim 1 a kind of without counterweight digital intelligent oil pumping (gas) machine, it is characterized in that:
Off-load traveling sheave assembly comprises one and to can slide up and down hitch (17), the upper end of hitch (17) is connected with haulage cable (24) by coupling (40), the lower end of hitch (17) is rotatably connected to off-load pulley (28), and off-load pulley (28) and Power Drive Unit are in transmission connection.
3. according to claim 1 a kind of without counterweight digital intelligent oil pumping (gas) machine, it is characterized in that:
The upper position near hitch (17) both sides of described body (12) is separately installed with guide rail (9), and the both sides of described hitch (17) are separately installed with the guide wheel (16) that can slide up and down along guide rail (9).
4. the one according to Claims 2 or 3, without counterweight digital intelligent oil pumping (gas) machine, is characterized in that:
Described Power Drive Unit comprises the cylinder (32) being arranged on body (12) bottom inside, described cylinder (32) is wound with cylinder lay winding wire ropes (29), wherein one end of described cylinder lay winding wire ropes (29) is fixed and is wrapped on cylinder (32), the other end is walked around off-load pulley (28) and is connected with stabilizer (31), the position described body (12) is positioned between off-load pulley (28) and cylinder (32) is fixedly installed stabilizer clamped beam (30), and described stabilizer (31) is rotatably supported on stabilizer clamped beam (30).
5. according to claim 4 a kind of without counterweight digital intelligent oil pumping (gas) machine, it is characterized in that:
Described hitch (17) is provided with interlock inductor (27), when off-load pulley (28) go upward to pulley top dead centre, come downwards to pulley lower dead center time, respectively location sensitive signal is reached control system, index drum (32) rotating, circulate successively, prevent stroke excess.
6. according to claim 5 a kind of without counterweight digital intelligent oil pumping (gas) machine, it is characterized in that:
The upper end of described sucker rod polished rod (20) is connected by polished rod coupling (14) with between haulage cable (24), and polished rod coupling (14) is provided with sensor (15).
7. according to claim 6 a kind of without counterweight digital intelligent oil pumping (gas) machine, it is characterized in that:
Described transition wheel bracket assembly comprises transition wheel support (25), be separately installed with First Transition wheel (21) and the second transition wheel (22) before and after described transition wheel support (25) is upper, described haulage cable (24) walks around First Transition wheel (21) and the second transition wheel (22) in order respectively.
8. according to claim 7 a kind of without counterweight digital intelligent oil pumping (gas) machine, it is characterized in that:
The top of described body (12) is rotatably connected to expansion teeth wheel shaft (39) near the position of transition wheel support (25), described expansion teeth wheel shaft (39) is provided with flexible gear (38), described transition wheel support (25) is provided with can with the tooth bar (37) of flexible gear (38) engaged transmission.
9. according to claim 7 a kind of without counterweight digital intelligent oil pumping (gas) machine, it is characterized in that:
Be rotationally connected by central axis (11) between described support (10) and body (12), described body (12) can tilt backwards maximum to 15 degree around central axis (11).
10. according to claim 9 a kind of without counterweight digital intelligent oil pumping (gas) machine, it is characterized in that:
The corresponding well head (1) in below of sucker rod polished rod (20), the side near well head (1) between body (12) and support (10) is connected with front support (13), for supporting body (12); Be connected with away from the side of well head (1) between described body (12) and support (10) and adjust pull bar (19), adjust when facilitating body (12) to tilt.
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| CN104818963B (en) | 2016-08-24 |
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