CN1896456A - Beam-pumping unit stroke adjusting method and adjuster - Google Patents
Beam-pumping unit stroke adjusting method and adjuster Download PDFInfo
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- CN1896456A CN1896456A CN 200510083838 CN200510083838A CN1896456A CN 1896456 A CN1896456 A CN 1896456A CN 200510083838 CN200510083838 CN 200510083838 CN 200510083838 A CN200510083838 A CN 200510083838A CN 1896456 A CN1896456 A CN 1896456A
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Abstract
This invention discloses method and device for achieving oil-well pump stroke adjustment. It includes brake device, electric engine, speed reducer, base plate, crank device, connecting rod device, beam, cross beam support, cross beam, staircase, support, beam bearing, donkey head pulley, cable wire, small rod, donkey head, sucker rod, chain extension adjusting device, locating pulley(pulley, pulley support, guide rail, trapeziform screw rod), cable wire locating rod, wire-suspending machine, balancing block and chain. The said donkey head and small rod are assembled on the donkey head. The underside of the said cable wire-locating rod connects to the base plate of oil-well pump, while the upside connects to oil well pump support. The said locating pulley is assembled on the cable wire-locating rod and can move upwards and downwards. The said oil-well pump-balancing block connects to the end of beam. The said chain extension-adjusting device is fixed on the oil-well pump base plate. One end of the said cable wire is fixed on the chain extension-adjusting device. The cable wire is firstly scrolled on locating pulley, and scrolled on donkey head pulley and small rod, at last connected with sucker rod through wire suspending machine. The stroke of oil well pump can be adjusted by adjusting the position of locating pulley.
Description
Affiliated technical field
The present invention relates to the raising of oil well production increasing and beam pumping unit system efficient, particularly oil pumper stroke control method and device.
Background technology
All oil field statistics from the whole world, nearly 80% oil well adopt the sucker-rod pumping machine to produce, and China has 92% oil well use sucker-rod pumping machine especially.Yet sucker-rod pumping machine system effectiveness is generally very low at present, from the foreign statistic data, pumping unit system efficient has only 28%～29%, and the pumping unit system efficient of more than 70,000 mouthful of well of China has only 25.96%, the oil-field oil pumper system effectiveness that has on average has only about 20%, and the pumping unit system efficient of even more serious is part oil well is less than 10%.How realizing energy-conservation under the prerequisite that satisfies the field output demand and improving sucker-rod pumping machine system effectiveness is the key subjects of pendulum in face of engineers and technicians.
People are successively doing a large amount of work aspect the improvement of sucker-rod pumping machine, motor improvement and the research of electric controlled energy saving device for this reason, and have obtained certain effect, and pumping unit system efficient also increases.Pumping unit system efficient brings up to 29.4% after 1065 mouthfuls of oil well applications new technologies of California, USA; Pumping unit system efficient brings up to 28.74% after 69 mouthfuls of oil well applications new technologies of China's Daqing oil field.
Chinese patent ZL99109780.7 or its U.S. Pat 6640896B1 of the same clan disclose a kind of sucker rod pump mechanical oil production technology parameter determination method, it has proposed the various power calculation methods of oil pumper total system first, can calculate under the various hole condition conditions, the pumping unit system efficient under the various oil production technology parameter combinations, optimizing the high or the most higher oil production technology parameter combinations of system effectiveness, thereby improve sucker-rod pumping machine system effectiveness significantly.From thousands of mouthfuls of wells of this patent working, pumping unit system efficient on average can be improved 10 percentage points, be 25% originally as pumping unit system efficient, then can bring up to 35%, part pumping unit of well system effectiveness can improve more than 20 percentage points.Up to the present, this invention is to improve the most significant method of pumping unit system efficient effect.
Analyze this patent ZL99109780.7 as can be seen, the various technological parameters of oil pumper, all influential to pumping unit system efficient as stroke, jig frequency, pump footpath, pump extension, caliber, sucker rod and combination thereof, oil pumper model, motor type, wherein oil pumper jig frequency and stroke are to pumping unit system effectiveness affects maximum.When promotion and implementation patent ZL99109780.7, one of the most frequently used measure is exactly to adopt the motor of higher progression (as 12 grades) to change the motor of original harmonic series (as 6 grades), with reduction oil pumper jig frequency, thereby reaches the purpose that improves pumping unit system efficient.From the field conduct situation, implement this patent after most of oil well still can maintain original output, but because jig frequency reduces and to have caused many oil well outputs to descend or producing fluid level rises, this is the unacceptable fact to patent applying unit oil recovery factory.
It should be noted that the prerequisite that patent ZL99109780.7 calculates is to want given output, can only satisfy the demand of current output by the preferred combination of process parameters of current output, but in oilfield development process, oil well output is constantly to change, although this patent still can optimize the best or preferred process parameter under the output after the variation, but on-the-spot the best or the preferred process parameter that can not in time implement to change causes pumping unit system decrease in efficiency or output can not satisfy the demand of oil field development.Even more serious is changes and can't satisfy the ever-increasing needs of development late stage production fluid amount behind the high progression motor (after the most of oil fields of China enter the exploitation middle and later periods, moisture content constantly rises, in order to keep stable yields or to delay the output decrease speed, must strengthen and adopt liquid measure), that is to say and to improve pumping unit system efficient in real time according to the oil well output situation of change, this will limit promoting the use of of this patent greatly, if 2 tons/day of production losses, 730 tons of then annual lost units, then oil recovery factory's loss operating cost hundreds of thousands unit, the Oilfield Company loss output value are above 1,000,000 yuan.
Can't realize improving in real time the fact of pumping unit system efficient according to change of production at present technology, patent of invention 200510079999.4 discloses and can change method and the device that improves pumping unit system efficient in real time according to oil well output for this reason, and utility model patent 200520110861.1 discloses the multistage jig frequency adjusting device of oil pumper.
When promotion and implementation patent ZL99109780.7, another the most frequently used measure increases the oil pumper stroke exactly, but the stroke of present most oil pumpers has been transferred to maximum value, has only the minority oil well to still have stroke to regulate leeway.How the stroke of oil pumper is regulated and be implemented into the increase rate that is directly connected to pumping unit system efficient in the best stroke that patent ZL99109780.7 calculates.
Utility model CN88202313U discloses rotating horsehead pitch increased type long stroke pumping unit, this utility model be utilize horse head linger the rotation principle realized that oil pumper increases journey.As shown in Figure 1, comprise motor 1, crank 2, connecting rod 3, walking beam 4, walking beam bearing 5, hinge 6, horse head 7, rocking bar 8, polished rod eye 9, frame 10.This utility model openly before, horse head and walking beam are fixed together, and this utility model is characterised in that horse head 7 when rotating with walking beam bearing 5, can also rotate around hinge 6, horse head 7 also is subjected to rocking bar 8 controls around the rotation of hinge 6, thereby realizes the increase of stroke.Adopt the horse head rotation principle that lingers both can make long stroke pumping unit, also can implement to transform to increase the oil pumper stroke existing oil pumper.The principle of rotating is big to the retrofit work amount of existing oil pumper but the employing horse head lingers, and main retrofit work amount comprises increasing has 5 places to need rectification, lifting rope lengthening on support 10, increase hinge 6, increase rocking bar 8, growth connecting rod 3, the walking beam 4.Adopt horse head to linger in addition and rotate long stroke pumping unit that principle is made or that transform, can't realize the stroke regulated at will.
Utility model CN85202559U discloses the rope and pulley type long stroke pumping unit, and this utility model adopts the pulley principle that the oil pumper stroke has been increased by one times.As shown in Figure 2, the rope and pulley type long stroke pumping unit comprises brake gear 11, motor 12, reducer 13, base 14, crank device 15, linkage 16, walking beam 17, crossbeam bearing 18, crossbeam 19, staircase 20, support 21, beam travelling supporting 22, pulley 23, wire rope 24, small sticks 25, horse head 26, sucker rod 27, fixed block 28.
This utility model CN85202559U realizes what stroke increased like this, and as shown in Figure 2, motor 12 drives crank device 15 rotations by reducer 13, again by crank device 15 drivening rod devices 16, drives walking beam 17 by connecting rod walking beam is pumped.Because of pulley 23 is housed on the horse head 26, an end of wire rope is fixed on the fixed block 28, walks around pulley 23 and small sticks 25 then, connects sucker rod 27 by polished rod eye at last, because horse head pumps, the pulley action principle doubles the oil pumper stroke.
Adopt the long stroke pumping unit of this principle making or the oil pumper of transformation, stroke can not be regulated equally at any time, stroke can't be transferred to the best stroke that patent ZL99109780.7 calculates.
If adopt this principle that existing oil pumper is transformed, the oil pumper stroke is doubled, the situation that length of stroke surpasses down-hole pump tube length degree may appear concerning some well.
If adopt this principle that existing oil pumper is transformed, because of doubling, the oil pumper stroke causes that the oil pumper load doubles, so just may surpass the maximum rated load of original oil pumper.
Summary of the invention
The present invention proposes oil pumper stroke control method and device---oil pumper stroke adjusting device, can make oil pumper under the prerequisite that satisfies oil well output variation and demand, realize the raising of oil pump energy-saving and pumping unit system efficient.Oil pumper stroke adjusting device can make former oil pumper stroke amplify arbitrarily in 1≤ω≤2 scopes by amplification coefficient ω.
The present invention is achieved in that is equipped with horse head pulley and small sticks on the old pumping unit horse head, increase the location pulley that wire rope backstay, wire rope backstay are equipped with can be movable and can fixes newly, increase the balance of well pumping unit piece, newly-increased chain extension adjustment device also is fixed on the oil pumping unit base.One end of wire rope is fixed on the chain extension adjustment device, and wire rope is at first walked around the location pulley, walks around horse head pulley and small sticks then, links to each other with sucker rod by polished rod eye at last.The different parts that the location pulley is fixed on the wire rope backstay will produce different oil pumper stroke amplification coefficients, and location pulley fixed position is higher, and the stroke amplification coefficient is littler; Location pulley fixed position is lower, and the stroke amplification coefficient is bigger.Thereby realize the adjusting of oil pumper stroke.
Description of drawings
Fig. 1 is the disclosed rotating horsehead pitch increased type of a utility model CN88202313U long stroke pumping unit schematic diagram;
Fig. 2 is the disclosed rope and pulley type long stroke pumping unit of a utility model CN85202559U schematic diagram;
Fig. 3 is an oil pumper stroke adjusting device schematic diagram of the present invention;
Fig. 4 is the sectional view of A-A among Fig. 3.
The specific embodiment
Fig. 3 is an oil pumper stroke adjusting device structural representation of the present invention.Fig. 4 is the A-A sectional view of Fig. 3, shown in Fig. 3,4, oil pumper stroke adjusting device of the present invention comprises brake gear 31, motor 32, reducer 33, base 34, crank device 35, linkage 36, walking beam 37, crossbeam bearing 38, crossbeam 39, staircase 40, support 41, beam travelling supporting 42, horse head pulley 43, wire rope 44, small sticks 45, horse head 46, sucker rod 47, chain extension adjustment device 48, location pulley 49, wire rope backstay 50, polished rod eye 51, balance weight 52, stretching chain 53.
As shown in Figure 4, Fig. 4 is the A-A sectional view of Fig. 3, it shows the concrete structure of location pulley 49, described location pulley 49 comprises pulley 49-1, pulley support 49-2, guide rail 49-3, trapezoidal screw 49-4, by rotation trapezoidal screw 49-4, location pulley 49 is moved up and down with respect to wire rope backstay 50.
With respect to conventional pumping unit, horse head pulley 43 and small sticks 45 are installed on old pumping unit horse head 46, increase newly on wire rope backstay 50, the wire rope backstay 50 the location pulley 49 of can be movable and can fixing is installed, increase the balance weight 52 of oil pumper variable-quality, newly-increased chain extension adjustment device 48 also is fixed on the oil pumping unit base 34.One end of wire rope 44 is fixed on the chain extension adjustment device 48 by stretching chain 53, and wire rope 44 is at first walked around location pulley 49, walks around horse head pulley 43 and small sticks 45 then, links to each other with sucker rod 47 by polished rod eye 51 at last.
At first how explanation realizes the increase of oil pumper stroke: motor 32 drives crank device 35 rotations by reducer 33, again by crank device 35 drivening rod devices 36, driving walking beam 37 by connecting rod makes it to pump, thereby driving horse head 46 pumps, because of horse head pulley 43 is fixed on the horse head 46, so horse head pulley 43 also pumps with horse head 46, when horse head pulley 43 moves up and down, rope capacity between horse head pulley 43 and the location pulley 49 changes, thereby realize that sucker rod 47 upper and lower displacements increase, thereby make the oil pumper stroke increase movable pulley operating principle that Here it is.
Secondly how explanation realizes the quick adjustment that makes things convenient for of oil pumper stroke: location pulley 49 can rotate by trapezoidal screw 49-4 and be implemented in moving on the wire rope backstay 50, the different parts that location pulley 49 is fixed on the wire rope backstay 50 will produce different oil pumper stroke amplification coefficients, location pulley 49 fixed positions are higher, promptly more near walking beam, the stroke amplification coefficient is littler, opposite extreme situations is that location pulley 49 is completely fixed on the walking beam 37, then the stroke amplification coefficient is 1, promptly do not increase stroke, location pulley 49 fixed positions are lower, promptly more near pedestal, the stroke amplification coefficient is bigger.In order to prevent that polished rod eye from bumping well head or pulley, when the running fix pulley, come stretching chain by chain extension adjustment device 48 (as: jack).Thereby the convenience and the quick adjustment of oil pumper stroke have been realized.
This invention has realized oil pumper stroke free adjustment first, can implement the best stroke that patent ZL99109780.7 calculates at any time, thereby reaches the raising that realizes oil pump energy-saving and pumping unit system efficient under the prerequisite of throughput requirements satisfying.
Other embodiment that the present invention can adopt is: can take any way that wire rope 44 is linked to each other with oil pumper support 41.As several wire rope retainer rings are set from top to bottom at oil pumper support 41, the wire rope bolt can be fixed on the said fixing ring, thereby reach the purpose of regulating the oil pumper stroke; Or chain extension adjustment device 48 is positioned on the oil pumper support 41 up or down, mobile from top to bottom chain extension adjustment device 48, thus reach the purpose of regulating the oil pumper stroke.
The arc guide rail groove that the horse head face of described horse head 46 also can be arranged to coincide is installed the trundle mechanism that can roll on the described wire rope 44.Thereby wire rope 44 can be in the arc guide rail groove scroll-up/down.Also wire rope 44 can be replaced with chain or other any flexible high strength cords.
In order to reduce oil pumper manufacturing or improvement cost, can adopt increases the polished rod activity space with oil pumper together with the method for base bed hedgehopping.Four jiaos of oil pumping unit bases can be arranged to liftable spiral supporting leg, and/or the backing plate of bed hedgehopping is set below oil pumping unit base, to increase the polished rod activity space.
The present invention is not limited to above-mentioned embodiment, and above-mentioned preferred implementation only is exemplary, and those skilled in the art can make the various modifications that are equal to and replacement and various combination, and obtain different embodiments according to spiritual essence of the present invention.
Claims (14)
1, a kind of oil pumper stroke adjusting device, it comprises base (34), walking beam (37), support (41), wire rope (44), horse head (46), sucker rod (47), polished rod eye (51), an end that it is characterized in that described wire rope (44) links to each other with sucker rod (47) by polished rod eye (51), and the other end is walked around horse head (46) and linked to each other with a Height Adjustable fixedly connected mechanism.
2, oil pumper stroke adjusting device according to claim 1 is characterized in that described Height Adjustable fixedly connected mechanism comprises chain extension adjustment device (48), chain (53), location pulley (49), wire rope backstay (50).Described wire rope backstay (50) bottom links to each other with oil pumping unit base (34), top links to each other with oil pumper support (41) upper end, described location pulley (49) can be installed on the wire rope backstay (50) up or down, described chain extension adjustment device (48) is fixed on the oil pumping unit base (34), and described wire rope (44) passes location pulley (49) and couples together with chain (53) and chain extension adjustment device (48).
3, oil pumper stroke adjusting device according to claim 1, it is characterized in that described Height Adjustable fixedly connected mechanism comprises that chain extension adjustment device (48), described chain extension adjustment device (48) can move up and down location ground and be arranged on oil pumper support (41), the direct and chain extension adjustment device (48) of described wire rope (44) couples together.
4, oil pumper stroke adjusting device according to claim 1, it is characterized in that described Height Adjustable fixedly connected mechanism is included in is provided with several wire rope retainer rings from top to bottom on the oil pumper support (41), described wire rope (44) bolt can be fixed on the said fixing ring.
5, oil pumper stroke adjusting device according to claim 1 is characterized in that also comprising the balance weight (52) of a variable-quality, and above-mentioned balance weight (52) is connected in the other end of walking beam (37).
6, oil pumper stroke adjusting device according to claim 1 is characterized in that also comprising base (34) furring device that increases the polished rod activity space.
7, oil pumper stroke adjusting device according to claim 1, it is characterized in that described horse head (46) also includes horse head pulley (43) and small sticks (45), described wire rope (44) is walked around some small sticks (45) and the horse head pulley (43) on the horse head (46).
8, oil pumper stroke adjusting device according to claim 1 is characterized in that the arc guide rail groove that the horse head face of described horse head (46) is arranged to coincide, and described wire rope (44) is gone up the trundle mechanism that installation can be rolled.
9, oil pumper stroke adjusting device according to claim 1, chain extension adjustment device (48) can shorten chain (53) or lengthening and fixing when it is characterized in that the stroke adjusting.
10, oil pumper stroke adjusting device according to claim 2, it is characterized in that described location pulley (49) comprises pulley (49-1), pulley support (49-2), guide rail (49-3), trapezoidal screw (49-4), by rotation trapezoidal screw (49-4), location pulley (49) is moved up and down with respect to wire rope backstay (50).
11, a kind of oil pumper stroke control method, one end of described wire rope (44) is linked to each other with sucker rod (47) by polished rod eye (51), then the other end of described wire rope (44) is walked around horse head (46), link to each other with a Height Adjustable fixedly connected mechanism again, by adjusting fixedly connected mechanism relative altitude position up and down, thereby change horse head (46) and wire rope (44) length of fixedlying connected between the mechanism, realize that sucker rod (47) upper and lower displacement changes, and makes the oil pumper changes stroke.
12, oil pumper stroke control method according to claim 10, described Height Adjustable fixedly connected mechanism comprises chain extension adjustment device (48), chain (53), location pulley (49), wire rope backstay (50), described wire rope backstay (50) bottom links to each other with oil pumping unit base (34), top links to each other with oil pumper support (41) upper end, described location pulley (49) can be installed on the wire rope backstay (50) up or down, described chain extension adjustment device (48) is fixed on oil pumping unit base (34), and described wire rope (44) passes location pulley (49) and couples together with chain extension adjustment device (48).
13, oil pumper stroke control method according to claim 11 is adjusted pulley (49) position, location up and down at wire rope backstay (50), regulates to realize stroke.
14, oil pumper stroke control method according to claim 10 links to each other the wire rope end with any position of oil pumper support (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510083838 CN1896456A (en) | 2005-07-14 | 2005-07-14 | Beam-pumping unit stroke adjusting method and adjuster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510083838 CN1896456A (en) | 2005-07-14 | 2005-07-14 | Beam-pumping unit stroke adjusting method and adjuster |
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| Publication Number | Publication Date |
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| CN1896456A true CN1896456A (en) | 2007-01-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510083838 Pending CN1896456A (en) | 2005-07-14 | 2005-07-14 | Beam-pumping unit stroke adjusting method and adjuster |
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| CN (1) | CN1896456A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102155190A (en) * | 2011-05-10 | 2011-08-17 | 高林 | Pulley stroke-lengthening beam pumping unit |
| CN101270638B (en) * | 2008-04-14 | 2011-11-16 | 王颜臣 | Straight-pushing arc-operation beam pumping unit |
| CN104975816A (en) * | 2014-04-14 | 2015-10-14 | 陕西延长石油(集团)有限责任公司研究院 | Automatic torsion release device for oil sucking machine hair braid |
| CN110454119A (en) * | 2019-09-21 | 2019-11-15 | 陈志国 | A kind of pumping unit does not stop to take out automatic touch pump machanism |
| CN114016937A (en) * | 2021-11-14 | 2022-02-08 | 韩一泉 | Deblocking workover rig |
-
2005
- 2005-07-14 CN CN 200510083838 patent/CN1896456A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101270638B (en) * | 2008-04-14 | 2011-11-16 | 王颜臣 | Straight-pushing arc-operation beam pumping unit |
| CN102155190A (en) * | 2011-05-10 | 2011-08-17 | 高林 | Pulley stroke-lengthening beam pumping unit |
| CN104975816A (en) * | 2014-04-14 | 2015-10-14 | 陕西延长石油(集团)有限责任公司研究院 | Automatic torsion release device for oil sucking machine hair braid |
| CN110454119A (en) * | 2019-09-21 | 2019-11-15 | 陈志国 | A kind of pumping unit does not stop to take out automatic touch pump machanism |
| CN114016937A (en) * | 2021-11-14 | 2022-02-08 | 韩一泉 | Deblocking workover rig |
| CN114016937B (en) * | 2021-11-14 | 2023-11-24 | 通化石油化工机械制造有限责任公司 | Deblocking workover rig |
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Open date: 20070117 |