CN104818963B - The oil pumping mechanism of qi of digital intelligent without counterweight - Google Patents
The oil pumping mechanism of qi of digital intelligent without counterweight Download PDFInfo
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- CN104818963B CN104818963B CN201510173092.8A CN201510173092A CN104818963B CN 104818963 B CN104818963 B CN 104818963B CN 201510173092 A CN201510173092 A CN 201510173092A CN 104818963 B CN104818963 B CN 104818963B
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- 239000007789 gas Substances 0.000 description 17
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Classifications
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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
Abstract
The invention discloses a kind of without counterweight digital intelligent oil pumping (gas) machine, including support, on described support, body is installed, the bottom inside of described body is provided with Power Drive Unit, the top of body is provided with telescopic transition wheel bracket assembly, it is wound with haulage cable on transition wheel bracket assembly, wherein one end of haulage cable connects sucker rod polished rod, it is in transmission connection by off-load traveling sheave assembly between the other end and Power Drive Unit, the bottom that dynamical system has been arranged in body by the present invention, there is the feature of safety and environmental protection, and there is length of stroke and arbitrarily adjust the feature of (1 5 meters).And eliminate counter weight device, not only save raw material and reduce cost, it is often more important that thoroughly solve the installation, maintenance because counter weight device is caused, operation etc. a series of trouble and unsafe factor.
Description
Technical field
The present invention relates to a kind of oil pumping mechanism of qi, more particularly to a kind of without counterweight digital intelligent oil pumping mechanism of qi, belong to oil, gas winning apparatus technical field.
Background technology
It is exactly oil production equipment that the oil recovery that field of petroleum exploitation is maximum both at home and abroad produces consumption--oil pumper.Oil production equipment (oil pumper), just accounts for more than 60% in whole oil field outlay of production consumption.
And the capital equipment of oil extraction in oil field is beam pumping unit the most both at home and abroad, as shown in Figure 1 and Figure 2, the front end of walking beam 2 is provided with horse head 3 and near well head 1, the rear end of walking beam 2 connects 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 structure is complicated, maintenance rate is high, power consumption is big but still accounts for more than 90% in the onsite application of Oilfield Mining Area.
Oil pumper volume is big, structure is complicated for this, maintenance rate is high, belongs to heavy ancient type equipment, and the defect of its maximum is that power consumption is excessive, and the waste energy is too many.Owing to 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 owing to the overall structure of this oil pumper is limited, it is impossible to change its power dissipation situation.
In recent years, this ancient apparatus-form of beam pumping unit is broken away from development and the research also attempt of oil field equipment both at home and abroad, successively occur in that the development of the type class such as chain type oil pump, intelligence friction-type oil-pumping machine, electric-controlled oil pumping machine, belt oil pumping machine, but the most do not change the present situation of beam pumping unit occuping market 90%.
Such as:
(1) though, friction-type oil-pumping machine be tower-type structure, but power source structure arranges unreasonable, make complete machine run unstable, noise big, 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, but transmission system is still identical with beam pumping unit form, remains the equilibrium of upper and lower running force, by leash 8 transmission between counterweight 5 and sucker rod, counterweight 5 and reductor directly by chain 7 transmission, the defect excessive again without solving low load with strong power, power consumption, and be provided with gas bag bascule, more cause many loaded down with trivial details and trouble, the most popular with users；
(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 coefficient 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, but the most all cannot ensure operation procedure and the production requirement of oil field actual production.The most all type oil pumpers only account for about the 10% of oil field equipment, still can not substitute the application rate of beam pumping unit.
The needs produced along with oil extraction in oil field, reduce production cost imperative, and oil recovery production cost to be reduced is it is first necessary to energy resource consumption to be solved, because oil pumper energy resource consumption accounts for more than the 60% of funds expenditure in oil extraction in oil field produces.Simultaneously as Oilfield Mining Area oil producing operation site environment is severe, institute's use equipment have to have safe efficient, the feature of energy-saving and environmental protection, this is that oil extraction in oil field is urgently expected.Develop program controlled energy-saving oil pumping machine, it is simply that for Oilfield Mining Area be actually needed with 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, anticipated every old well updates and the new supporting need of well increase oil pumper 5-6 ten thousand newly, and pumping unit demand is big, and the most highly desirable have advanced person, new pumping unit energy-conservation, reliable to substitute old product.Meanwhile, under the macroeconomic situation of country's Efforts To Develop energy-saving and emission-reduction, new forms of energy shale gas, the exploitation of coal bed gas have launched.China has been verified up till now shale gas, coal bed gas account for the 40% more than of whole world reserves；
Especially at present country have begun to put into substantial contribution in Sichuan, Shanxi, Shaanxi, the Northeast's exploitation.After anticipated 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, research and development novel oil production gas equipment is imperative.
Accordingly, CNPC, natural gas, CNOOC, coal bed gas, China University Of Petroleum Beijing, China the brainstrust such as Daqing oil field, Xinjiang Oilfield great assistance under, in conjunction with we three during the last ten years design research and develop various oil pumpers field practice, dissect domestic and international beam pumping unit, onsite application feature without beam pumping unit, developed and pumped mechanism of qi without counterweight digital intelligent.This digital intelligent oil pumping mechanism of qi, will fill up domestic and international blank.
Summary of the invention
The problem to be solved in the present invention is the drawbacks described above in order to overcome traditional oil pumper, there is provided a kind of without counterweight digital intelligent oil pumping mechanism of qi, thoroughly break the most all oil pumpers of world's oil pumper and all there is the design feature of counter weight device, utilize the principle that art is good for strength, advanced digital intelligent reliably is coordinated to control, eliminate counter weight device, not only save raw material and reduce cost, it is often more important that thoroughly solve the installation, maintenance because counter weight device is caused, operation etc. a series of trouble and unsafe factor.
In order to solve the problems referred to above, the present invention by the following technical solutions:
A kind of without counterweight digital intelligent oil pumping mechanism of qi, including support, on described support, body is installed, the bottom inside of described body is provided with Power Drive Unit, the top of body is provided with telescopic transition wheel bracket assembly, being wound with haulage cable on transition wheel bracket assembly, wherein one end of haulage cable connects sucker rod polished rod, is in transmission connection by off-load traveling sheave assembly between the other end and Power Drive Unit.
The bottom that dynamical system has been arranged in body by the present invention, has a feature of safety and environmental protection, and has length of stroke and arbitrarily adjust the feature of (1-5 rice).And eliminate counter weight device, not only save raw material and reduce cost, it is often more important that thoroughly solve the installation, maintenance because counter weight device is caused, operation etc. a series of trouble and unsafe factor.
The following is the present invention the further of such scheme is optimized:
Off-load traveling sheave assembly includes that one 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 is in transmission connection with Power Drive Unit.
In power traction structure, employ movable pulley and be combined with quiet pulley, make the weight that little traction power stretchy down-hole is big, and rotating comprehensive dynamic consumes and saves more than 50% than conventional beam-pumping unit.
Optimize further:
On described body, the position near hitch both sides 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 are to ensure that off-load pulley, in upper and lower operation, remains at center, the most continuously work.
Optimize further:
Described Power Drive Unit includes the cylinder being arranged on inside organism bottom, cylinder lay winding wire ropes it is wound with on described cylinder, wherein one end of described cylinder lay winding wire ropes is fixed and is wrapped on cylinder, the other end walks around off-load pulley and connection has stabilizer, on described body, position between off-load pulley and cylinder is fixedly installed stabilizer and fixes beam, and described stabilizer is rotatably supported in stabilizer and fixes on beam.
Linkage inductor is installed on described hitch, when off-load pulley goes upward to pulley top dead centre, comes downwards to pulley lower dead center, respectively location sensitive signal is reached control system, control cylinder rotating, circulate successively, prevent stroke excess.
Optimize further: be connected by light rod coupling between the upper end of described sucker rod polished rod and haulage cable, light rod coupling is provided with sensor.The height change of down-hole liquid level, traction gravimetric data can be reflected on the display screen in electric cabinet accurately by sensor.
Optimize further:
Described transition wheel bracket assembly includes transition wheel support, and described transition wheel support is front and back separately installed with First Transition wheel and the second transition wheel, and described haulage cable walks around First Transition wheel and the second transition wheel the most 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, and described transition wheel support is provided with can be with the tooth bar of flexible meshed transmission gear.
Transition wheel assembly is can arbitrarily to stretch simultaneously, and when workover treatment, inspection pump, complete machine need not displacement.
Optimizing further: be connected by central axis between described support and body, described body can be maximum to 15 degree around central axial rear-inclined.The lower section correspondence well head of sucker rod polished rod, between body with support, the side of close well head is connected has front support, for being supported body；Between described body and support, side away from well head is connected adjustment pull bar, facilitates body to be adjusted when tilting.When big well workover removes sleeve pipe, body, in the case of base is motionless, can be swung back arbitrarily angled, provides enough spaces for any size workover treatment.
The present invention uses such scheme, has the advantage that
1, eliminate counter weight device, not only save raw material and reduce cost, it is often more important that thoroughly solve the installation, maintenance because counter weight device is caused, operation etc. a series of trouble and unsafe factor.
2, up to the present, both at home and abroad institute is with or without beam type (tower-type) oil pumper, be all dynamical system in pylon upper end, the bottom that dynamical system has been arranged in body by the present invention, there is the feature of safety and environmental protection, and there is length of stroke arbitrarily adjust the feature of (1-5 rice).
3, there is a kind of belt type pumping unit and tilt annular tooth oil pumper, although dynamical system is in the middle part of pylon and outside lower end, but is all chain sprocket transmission, it is impossible to any intellectual adjustment length of stroke, simultaneously also with counterweight.Due to the fact that length of stroke, jig frequency speed can be according to down-hole requirements, any adjustment, so not only adaptation crude oil promotes, shale gas, coal bed gas discharge opeing are promoted and have more applied characteristic.
4 it was verified that pulling force uses the leash of rubber synthesis, not as using steel wire rope durable, convenient, reliable.The extra steel wire rope that the present invention uses nylon steel wire to synthesize is that traction pulls form.
5, the present invention uses 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 big, and rotating comprehensive dynamic consumes and saves more than 50% than conventional beam-pumping unit.
6, the present invention uses linkage inductor and sensor, can not only Based Intelligent Control, adjust the jig frequency speed of the machine, length of stroke, moreover it is possible to the distance of liquid level and ground level under detecting shaft.And also there is remotely control and adjustment the machine operational factor.The sensor installed on sucker rod polished rod, can be reflected on the display screen in electric cabinet by sensor accurately by the height change of down-hole liquid level, traction gravimetric data.
7, in dynamical system is installed in body by the present invention in lower bottom part pylon, save except outside cat ladder up and down, so, safeguard extremely convenient.When needing upper top once in a while, can in body safety the safety cabinet climbing up top, extremely safe ready.
8, the transition wheel assembly on top of the present invention is can arbitrarily to stretch simultaneously, and when workover treatment, inspection pump, complete machine need not displacement.When big well workover removes sleeve pipe, body, in the case of base is motionless, can be swung back arbitrarily angled, provides enough spaces for any size workover treatment.
9, the outside of body of the present invention is full-closed structure, is suitable for the various adverse circumstances of oil gas field and weather conditions.
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of conventional beam-pumping unit in background of invention；
Accompanying drawing 2 is the structural representation of rear barbell beam pumping unit in background of invention；
Accompanying drawing 3 is the structural representation in background of invention without walking beam (belt, chain-type) oil pumper；；
Accompanying drawing 4 is the structural representation in background of invention without walking beam (balance, program control type) oil pumper；
Accompanying drawing 5 is the structural representation in background of invention without walking beam (linear motor type) oil pumper；
Accompanying drawing 6 is the structural representation in the embodiment of the present invention without counterweight digital intelligent oil pumping mechanism of qi；
Accompanying drawing 7 is without configuration state schematic diagram during counterweight digital intelligent oil pumping mechanism of qi minor repair well in the embodiment of the present invention；
Accompanying drawing 8 is without configuration state schematic diagram during oil pumping big well workover of mechanism of qi of counterweight digital intelligent in the embodiment of the present invention；
Accompanying drawing 9 is the configuration state schematic diagram of off-load traveling sheave assembly during the big load of embodiment of the present invention middle-deep well；
Accompanying drawing 10 is the side view of accompanying drawing 9；
Accompanying drawing 11 is the structural representation of the power set in off-load traveling sheave assembly during the general load of embodiment of the present invention middle-deep well；
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 cabinet 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-leash；9-guide rail；10-support；11-central shaft；12-body；13-front support；14-light 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-the 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 cabinet.
Detailed description of the invention
Embodiment, as shown in Figure 6, a kind of without counterweight digital intelligent oil pumping mechanism of qi, including support 10, described support 10 being 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, being wound with haulage cable 24 on transition wheel bracket assembly, wherein one end of haulage cable 24 connects sucker rod polished rod 20, is in transmission connection by off-load traveling sheave assembly between the other end and Power Drive Unit.
Transition wheel bracket assembly be provided above openable protective cover 26, it is simple to the maintenance of transition wheel bracket assembly and maintenance.
Off-load traveling sheave assembly includes that one can slide up and down hitch 17, and the upper end of hitch 17 is connected with haulage cable 24 by coupling 40.
On described body 12, the position near hitch 17 both sides 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 is in transmission connection with Power Drive Unit.
Described Power Drive Unit includes the cylinder 32 being arranged on body 12 bottom inside, it is wound with cylinder lay winding wire ropes 29 on described cylinder 32, wherein one end of described cylinder lay winding wire ropes 29 is fixed and is wrapped on cylinder 32, the other end walks around off-load pulley 28 and connection has stabilizer 31, on described body 12, position between off-load pulley 28 and cylinder 32 is fixedly installed stabilizer and fixes beam 30, and described stabilizer 31 is rotatably supported in stabilizer and fixes on beam 30.
Stabilizer 31 is to hold two cylinder lay winding wire ropes 29 curled, and when cylinder 32 positive and negative rotation, it is ensured that the symmetrical balance of two off-load pulleys 28, operates 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 secured on mounting base 34.
Cylinder 32 external diameter is provided with left-handed, the wirerope-winding groove of dextrorotation, to protect leading steel wire rope not rubbed in curling.When cylinder 32 turns left, by two haulage cables simultaneously around being entangled on cylinder 32, haulage cable drives off-load pulley to move down.Owing to off-load pulley couples with the haulage cable on hitch and coupling, haulage cable is coupled with sucker rod polished rod by First Transition wheel and the second transition wheel, so, driving underground reciprocating pump piston up, during to preseting length, intelligence control system orders about motor reversal, at this moment, caused by the weight of underground sucker rod polished rod and reciprocating piston pump, in the case of motor very small area analysis, can descending operation.Go round and begin again, upper and lower continuous work.
Linkage inductor 27 is installed on described hitch 17, when off-load pulley 28 goes upward to pulley top dead centre 23, comes downwards to pulley lower dead center 18, respectively location sensitive signal is reached control system, control cylinder 32 rotating, circulate successively, prevent stroke excess.
It is connected by light rod coupling 14 between the upper end of described sucker rod polished rod 20 and haulage cable 24, light rod coupling 14 is provided with sensor 15.Can pass through sucker rod sensing measurement down-hole liquid level, down-hole pump runs gravity.
When the big load of deep-well, power set use structure as shown in Figure 9 and Figure 10, are adaptable to the pump setting depth deep-well more than 1000 meters 3000 meters.
When general load, described Power Drive Unit can also use structure as shown in figure 11, described cylinder uses the structure of external rotor electric machine band cylinder 35, and its two ends are fixedly mounted on mounting base 34 by motor support base 36 respectively, are adaptable to pump setting depth hole condition within 1000 meters.
As shown in Figure 12 and Figure 13, described transition wheel bracket assembly includes transition wheel support 25, being 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 the most 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, and described transition wheel support 25 is provided with can be with the tooth bar 37 of flexible gear 38 engaged transmission.
Being rotationally connected by central shaft 11 between described support 10 and body 12, described body 12 can tilt backwards maximum to 15 degree around central shaft 11.
The lower section correspondence well head 1 of sucker rod polished rod 20, between body 12 with support 10, the side of close well head 1 is connected has front support 13, for being supported body 12.
Between described body 12 and support 10, side away from well head 1 is connected adjustment pull bar 19, facilitates body 12 to be adjusted when tilting.
As it is shown in fig. 7, when needs minor repair well, flexible gear 38 can be driven to rotate by Power Drive Unit, and drive shifting after transition wheel support 25 entirety so that the superjacent air space of well head 1 is entirely without barrier, it is simple to underground work.
As shown in Figure 8, when the big well workover of needs, need the top position installation and maintenance equipment etc. at well head 1, this is accomplished by bigger space, thus can be by adjusting pull bar 19 and front support 13, body 12 entirety is rotated and hypsokinesis around central shaft 11, greater room is conceded in the top of well head 1, it is simple to underground work.
As shown in figure 14, power set and the Power Drive Unit of ferry boat support 25, linkage inductor 27 and the sensor 15 of described cylinder electrically connects with electric cabinet 42 respectively.
It is provided with liquid crystal control panels 41 on electric cabinet 42, is additionally provided with 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, stroke short button K under button C on power knob A, start button B, crawl, alarm button D, crawl.
Present invention employs advanced digital intelligent control system reliably, there is soft start, callipers brake car, overload, global function protective value underload, overheated, and there is automatic speed regulating function and crawl stretches out operating function.Achieve sucker rod and move back and forth any adjustment of linear velocity and length of stroke, be suitable for any requirement of oil well hole condition, it is also possible to need to set jig frequency and speed at any time according to hole condition, and digital remote control operation and monitoring can be realized.
Set by the software program in electric cabinet, the display screen in electric cabinet can be shown that: 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, the strictest 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., the design that all have passed through strict science calculates.Vention fully achieves the index request of its every Technique performance parameter.
The making of geometry each to complete machine pylon in development process, location all have employed design basis, technological datum, manufacture benchmark, process program that reference for assembling is unified.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 break the most all oil pumpers of world's oil pumper and all there is the design feature of counter weight device, utilize the principle that art is good for strength, advanced digital intelligent reliably is coordinated to control, eliminate counter weight device, not only save raw material and reduce cost, it is often more important that thoroughly solve the installation, maintenance because counter weight device is caused, operation etc. a series of trouble and unsafe factor.
Present configuration is novel, design preferences, is truly realized safety and environmental protection, energy-conservation stable requirement, is that domestic and international oil gas field adopts the big invention of in liquid equipment.And utilize digital intelligent control, make power source consumption aspect compared with old-fashioned oil pumper, can save energy more than 50%.In particular for the feature of coal bed gas discharge opeing engineering, have employed and there is the design of domestic and international advanced level, 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 is not required to outer shifting, and workover treatment can be made to have enough spaces.Avoid the phenomenon moved outside its alloytype oil pumper workover treatment complete machine, it is achieved that real safety work ensures.
Traction Drive of the present invention employs international most advanced reliable nylon mixed friendship steel wire rope, substantially increases working life and the tractive force of trailer system.
Present invention employs advanced person's digital intelligent control system reliably, it is achieved that sucker rod moves back and forth any adjustment of linear velocity and length of stroke, be suitable for any requirement of oil well hole condition, 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 high-stroke 5-6 rice；Hole condition within pump setting depth 1000 meters；Type B machine can realize high-stroke 5-6 rice；Hole condition within pump setting depth 1000 meters to 2500 meters.
Its structural principle of the present invention is to reduce and affect power controlling balance without counterweight digital intelligent, its DP technology performance be with long stroke, jogging speed is 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 that current Oil Field uses, such 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, calculated 300 day working day by annual operation, and the annual power consumption of 37kW is 266400 degree；45kW power consumption every day is 1080 degree；Calculating 300 day working day by annual operation, the annual power consumption of 45kW is 2324000 degree；By the often 1.0 yuan of calculating of degree electricity, 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, it is actual that to affect power be 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 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 (averagely): 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 that current conventional beam-pumping unit drives is, the pump efficiency of 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 be greatly improved: the pump efficiency of pump setting depth 800～1500 meters can reach 75-85%, and the pump efficiency of pump setting depth 1500-2500 rice is 65-75%, 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, use the present invention, can bring up to produce crude oil daily 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, the output value 12,000,000 yuan are produced per year.The present invention produces crude oil 11.5 tons, 300 days working days of year daily, produces crude oil 3450 tons, the output value 13,800,000 yuan per year.
Calculating 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 using the present invention of natural gas power unit type, every oil pumper the most also can save the national grid electricity charge more than 10 ten thousand yuan again.Utilize again oil field from overflowing and the natural gas of block gas well output is as power source simultaneously, it is achieved that can not the making full use of of gas recovery, reduction effect the most substantially highlights.
Claims (9)
1. one kind without counterweight digital intelligent pump mechanism of qi, including support (10), body (12) is installed on described support (10), 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, haulage cable (24) it is wound with on transition wheel bracket assembly, wherein one end of haulage cable (24) connects sucker rod polished rod (20), is in transmission connection by off-load traveling sheave assembly between the other end and Power Drive Unit；
Off-load traveling sheave assembly includes that one 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) is in transmission connection with Power Drive Unit.
It is the most according to claim 1 a kind of without counterweight digital intelligent oil pumping mechanism of qi, it is characterised 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).
It is the most according to claim 1 and 2 a kind of without counterweight digital intelligent oil pumping mechanism of qi, it is characterised in that:
Described Power Drive Unit includes the cylinder (32) being arranged on body (12) bottom inside, cylinder lay winding wire ropes (29) it is wound with on described cylinder (32), wherein one end of described cylinder lay winding wire ropes (29) is fixed and is wrapped on cylinder (32), the other end walks around off-load pulley (28) and connection has stabilizer (31), the position being positioned between off-load pulley (28) and cylinder (32) on described body (12) is fixedly installed stabilizer and fixes beam (30), and described stabilizer (31) is rotatably supported in stabilizer and fixes on beam (30).
It is the most according to claim 3 a kind of without counterweight digital intelligent oil pumping mechanism of qi, it is characterised in that:
Linkage inductor (27) is installed on described hitch (17), when off-load pulley (28) goes upward to pulley top dead centre, comes downwards to pulley lower dead center, respectively location sensitive signal is reached control system, control cylinder (32) rotating, circulate successively, prevent stroke excess.
The most according to claim 4 a kind of without counterweight digital intelligent oil pumping mechanism of qi, it is characterized in that: be connected by light rod coupling (14) between the upper end of described sucker rod polished rod (20) with haulage cable (24), light rod coupling (14) is provided with sensor (15).
The most according to claim 5 a kind of without counterweight digital intelligent oil pumping mechanism of qi, it is characterized in that: described transition wheel bracket assembly includes transition wheel support (25), front and back being separately installed with First Transition wheel (21) and the second transition wheel (22) on described transition wheel support (25), described haulage cable (24) walks around First Transition wheel (21) and the second transition wheel (22) the most respectively.
It is the most according to claim 6 a kind of without counterweight digital intelligent oil pumping mechanism of qi, it is characterised 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), being provided with flexible gear (38) on described expansion teeth wheel shaft (39), described transition wheel support (25) is provided with can be with the tooth bar (37) of flexible gear (38) engaged transmission.
It is the most according to claim 6 a kind of without counterweight digital intelligent oil pumping mechanism of qi, it is characterised in that:
Being rotationally connected by central shaft (11) between described support (10) and body (12), described body (12) can tilt backwards maximum to 15 degree around central shaft (11).
It is the most according to claim 8 a kind of without counterweight digital intelligent oil pumping mechanism of qi, it is characterised in that:
Lower section correspondence well head (1) of sucker rod polished rod (20), between body (12) with support (10), the side of close well head (1) is connected has front support (13), for being supported body (12)；Between described body (12) with support (10), side away from well head (1) is connected adjustment pull bar (19), facilitates body (12) to be adjusted when tilting.
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| CN1752406B (en) * | 2005-10-28 | 2013-10-23 | 大庆油田有限责任公司 | Single crank double stroke flexible rope beam-pumping unit |
| US20080190604A1 (en) * | 2007-02-09 | 2008-08-14 | International Business Machines Corporation | System and Method for Coordinated Monitoring and Control of Multiple Oil Well Pump Systems |
| CN201486534U (en) * | 2009-09-02 | 2010-05-26 | 王颖 | Oil extractor with multi-stage deloading device and self-protection mechanism |
| CN202417443U (en) * | 2012-01-12 | 2012-09-05 | 赵国祥 | Inclined program control energy-saving oil pumping machine |
| CN102839949B (en) * | 2012-09-29 | 2015-06-17 | 中石油煤层气有限责任公司韩城分公司 | Intelligent type oil pumping machine |
| CN203559881U (en) * | 2013-12-05 | 2014-04-23 | 中国石油大学(华东) | Gas-balancing hydraulic oil pumping unit |
| CN203769738U (en) * | 2014-04-04 | 2014-08-13 | 赵国祥 | Suspension point movable type pumping unit |
| CN204729064U (en) * | 2015-04-14 | 2015-10-28 | 赵国祥 | A kind of without counterweight digital intelligent oil pumper |
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