CN101187304A - High reliability double well pumping machine - Google Patents

High reliability double well pumping machine Download PDF

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Publication number
CN101187304A
CN101187304A CN 200710019115 CN200710019115A CN101187304A CN 101187304 A CN101187304 A CN 101187304A CN 200710019115 CN200710019115 CN 200710019115 CN 200710019115 A CN200710019115 A CN 200710019115A CN 101187304 A CN101187304 A CN 101187304A
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CN
China
Prior art keywords
chain
power chain
high reliability
twin
well
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Granted
Application number
CN 200710019115
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Chinese (zh)
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CN101187304B (en
Inventor
秦德福
李海东
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Changqing Petroleum Exploration Bureau
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Changqing Petroleum Exploration Bureau
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Priority to CN2007100191155A priority Critical patent/CN101187304B/en
Publication of CN101187304A publication Critical patent/CN101187304A/en
Application granted granted Critical
Publication of CN101187304B publication Critical patent/CN101187304B/en
Expired - Fee Related legal-status Critical Current
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Abstract

The invention relates to machinery for dislodging oil, natural gas, and coal bed gas, and pumping water, in particular to a double-well beam pumping unit with high reliability. The invention is characterized in that the invention comprises a left bay and right bay (13) which are vertical and fixed with cement foundation, adjustable beams (8) are transversely fixed on the upper portions of the left bay and the right bay (13), and which are parallel with ground surface, guide sheaves (9) are respectively fixed on both ends of the adjustable beams (8), polished rod eyes (12) are hung and connected on the guide sheaves (9) on both ends, a point of the polished rod eyes (12) between the guide sheaves on both ends is connected with a reverse mechanism, and both ends of the polished rod eyes (12) are respectively connected with pumping rods of a left oil well and a right oil well. The reverse mechanism is connected with a power mechanism, and the power mechanism drives the reverse mechanism to do closed curve movement, and the power mechanism drives the pumping rods of the left oil well and the right oil well to do up and down alternating motion. The invention can satisfy the requirements of various well spacing, which has he advantages of low frequency, long stroke, compact structure, small volume, energy saving, low operation cost, and convenient maintenance and operation, which is a cluster well pumping unit with high reliability.

Description

A kind of twin-well oil-pumping machine of high reliability
Technical field
The present invention relates to the twin-well oil-pumping machine of a kind of petroleum gas, coal-bed gas exploitation, water conservancy pumping machinery, particularly a kind of high reliability.
Background technology
In recent years, each oil company adopts cluster well drilling well new technology to carry out oil field development in a large number, therefore needs to adapt to the new pumping unit of cluster wells production characteristics.
Present field use oil pumper the most widely is by quadric chain, and rotatablely moving of engine is converted into pumping of sucker rod, thereby drives downhole pump.The oil pumper of this structure only is applicable to individual well, and upstroke pumping fluid, down stroke can not pumping fluid.Its floor space is big, the consumption steel are many, device is complicated, power demand is big, system effectiveness is low, and it is big to adjust the working system workload aborning.Developing the cluster well oil extractor that a kind of while pumping two well fluid, up-down stroke are all worked, is a kind of energy-efficient approach.
Chinese patent 01139505.2 discloses a kind of " energy-saving pumping unit ", its feature is: comprise a frame, be arranged on the guide slide of frame inboard, the directed slide plate that has directive wheel matches with slideway, be provided with two leading blocks at frame top, the upper and lower end of directed slide plate connects wirerope respectively, and the upper end wirerope is walked around two leading blocks and is connected with balancing weight, the lower end wirerope is connected with sucker rod, forms reciprocating type lifting oil pumping mechanism; On frame, be provided with the driving shaft that is connected with motorized speed reducer, two ends on driving shaft are fixed chain wheels respectively, two sprocket wheels are connected with duplicate sprocket by chain respectively, two duplicate sprockets are connected with other sprocket wheel by chain respectively again, be fixed with the cross-over connection axle on two chains, the pulley that matches with directed slide plate notch is loaded on the cross-over connection axle forms drive unit.It is long that " energy-saving pumping unit " has the sucker rod stroke, oil pumping rate height, and compact conformation, volume are little, in light weight, saves energy, the characteristics that make, running cost are low.But its wellhead assembly is positioned at frame inside, the workover treatment difficulty; The maintaining workload of two cover chain transmission systems is big, and its reliability reduces greatly simultaneously; The measure of the high dry running unprotect of balancing weight, safety does not have guarantee.
Another part Chinese patent 02264109.2 discloses a kind of " cluster well intelligent oil pumping machine ", its feature is being: lifting rope is located on the driving wheel of actuating unit, the lifting rope two ends are provided with polished rod eye, hang the oil pumping polish rod of two mouthfuls of wells, driving wheel and a pair of regulating wheel are linked by lifting rope, regulating wheel is located on the frame, also is provided with the lifting rope that connects balancing weight on the driving wheel.Power set adopt switched reluctance machines, and reduction box adopts planet cycloid pin gear reducer, and the power of power set output is delivered on the driving wheel by planet cycloid pin gear reducer.This utility model utilizes controller that the commutation time is set, and can solve the reversing impact problem of oil pumper well, and it is very steady to commutate.The problem of being somebody's turn to do " cluster well intelligent oil pumping machine " existence is: the power set commutation relies on electric, electronic system control, and engine, control system live load weigh, and very easily break down; The center to center distance adjustable range of a pair of regulating wheel is narrow, can not satisfy different well spacing requirements, bad adaptability; Single frame poor stability, the workover treatment difficulty; When a bite oil well broke down, whole system must be out of service, and influence is produced.
Summary of the invention
Technology point to be solved by this invention is: provides a kind of and can satisfy different well spacing requirements, and low frequency, long stroke, compact conformation, volume are little, energy-conservation, make, running cost is low, and attended operation is a kind of twin-well oil-pumping machine of high reliability easily.
The present invention seeks to realize like this, design a kind of twin-well oil-pumping machine of high reliability, it is characterized in that: which comprises at least the frame 13 of the first from left right side and concrete pedestal vertical fixing, can regulate beam 8 crosswise fixed at left and right sides frame 13 tops, and parallel to the ground; Can regulate beam 8 two ends and be fixed with leading block 9 respectively, polished rod eye 12 is articulated on the leading block 9 at two ends, and 12 1 points of polished rod eye that are between the two ends leading block 9 are connected with changement; Polished rod eye 12 two ends are connected with left and right sides well rod respectively; Changement is connected with actuating unit, and actuating unit drives changement and does the closed curve motion, drives left and right sides well rod and pumps.
The leading block 9 at described two ends connects balancing counterweight mechanism 11 respectively.
Described changement comprises power chain 4, power chain 5, commutation chain link 6 and driven sprocket 7; Power chain 4 is connected by power chain 5 with driven sprocket 7, and power chain 4 low-speed runnings make driven sprocket 7 and power chain 5 with same speed running; Between power chain 4 and driven sprocket 7, there is commutation chain link 6 to be connected on the power chain 5; Commutation chain link 6 is done the closed curve motion with power chain 4, driven sprocket 7 and power chain 5; On the commutation chain link 6 the lifting rope hitch point is arranged, the polished rod eye 12 of the right and left is suspended on the lifting rope hitch point of commutation chain link 6; Lifting rope hitch point and above-mentioned closed curve have certain normal direction offset distance, and in a service cycle of power chain 5, the lifting rope hitch point of commutation chain link 6 moves back and forth about realizing once, drag to move back and forth about polished rod eye 12 is also realized once.
Described actuating unit comprises engine 1, belt reduction unit 2 and reducer 3 at least, and engine 1 is connected with belt reduction unit 2 through belt, and belt reduction unit 2 is connected with reducer 3; Reducer 3 is connected with power chain 4 by chain, drives power chain 4 low-speed runnings.
Described engine 1 adopts motor, diesel engine or natural gas engine, and system dynamic is provided.
Described belt reduction unit 2 adopts joined v-belt to slow down.
Described reducer 3 adopts single-stage or double reduction gear.
The described beam 8 of regulating is the beam-shaped structure that a shaped steel welds.
Described commutation chain link 6 is the structural members that are fixed on power chain 5 chain links.
Advantage of the present invention is: owing to be articulated on the leading block 9 at two ends at polished rod eye 12,12 1 points of polished rod eye that are between the leading block 9 at two ends are connected with changement; Polished rod eye 12 two ends are connected with left and right sides well rod respectively; Changement is connected with actuating unit, and actuating unit drives changement and does the closed curve motion, drives left and right sides well rod and pumps.Changement comprises power chain 4, power chain 5, commutation chain link 6 and driven sprocket 7; Power chain 4 is connected by power chain 5 with driven sprocket 7, has commutation chain link 6 to be connected on the power chain 5 between power chain 4 and driven sprocket 7; On the commutation chain link 6 the lifting rope hitch point is arranged, the polished rod eye 12 of the right and left is suspended on the lifting rope hitch point of commutation chain link 6; When the lifting rope hitch point is done the closed curve motion with power chain 4, driven sprocket 7 and power chain 5; Driving left and right sides well rod pumps.This mechanical continuous automatic reversing mechanism compact conformation, volume are little, and workover treatment is convenient.Commutation process does not steadily have impact, and load fluctuation is little.
Description of drawings
The invention will be further described below in conjunction with the embodiment accompanying drawing.
Fig. 1 is the structure principle chart of the embodiment of the invention;
Fig. 2 is the example structure schematic diagram;
Fig. 3 is the structure principle chart of continuous automatic reversing mechanism.
Among the figure: 1, engine; 2, belt reduction unit; 3, reducer; 4, power chain; 5, power chain; 6, commutation chain link; 7, driven sprocket; 8, can regulate beam; 9, leading block; 10, balancing counterweight mechanism lifting rope leading block; 11, balancing counterweight mechanism; 12, polished rod eye; 13, frame.
The specific embodiment
Embodiment as shown in Figure 1 and Figure 2, independently on the frame 13 parts such as engine 1, deceleration device, continuous automatic reversing mechanism, well spacing adjusting device, balancing counterweight mechanism 11 and polished rod eye 12 are installed right two of the first from left, frame 13 bottoms are connected with the oil pumper concrete pedestal.Engine 1 adopts common alternating current generator.Can regulate beam 8 is the beam-shaped structure of shaped steel welding.It is parallel to the ground at frame 13 tops to regulate beam 8 crosswise fixed; Can regulate beam 8 two ends and be fixed with leading block 9 respectively, leading block 9 is socketed with a polished rod eye 12, and 12 1 points of polished rod eye that are between the two ends leading block 9 are connected with changement; The leading block 9 at two ends connects balancing counterweight mechanism 11 by balancing counterweight mechanism lifting rope leading block 10 respectively; Polished rod eye 12 two ends are connected with left and right sides well rod respectively; Changement is connected with actuating unit, and actuating unit drives changement and does the closed curve motion, drives left and right sides well rod and pumps.
In Fig. 2, described actuating unit comprises engine 1, belt reduction unit 2 and reducer 3 at least, and engine 1 is connected with belt reduction unit 2 through belt, and belt reduction unit 2 is connected with reducer 3; Reducer 3 is connected with power chain 4 by chain, drives power chain 4 low-speed runnings.
During work, engine 1 outputting power, power slows down through belt reduction unit 2 and reducer 3, makes power chain 4 low-speed runnings.Power chain 4 is connected by power chain 5 with driven sprocket 7, and power chain 4 low-speed runnings make driven sprocket 7 and power chain 5 with same speed running.Between power chain 4 and driven sprocket 7, there is commutation chain link 6 to be connected on the power chain 5.Commutation chain link 6 is done the closed curve motion with power chain 4, driven sprocket 7 and power chain 5.
Continuous automatic reversing mechanism among the present invention is to drag the basis that the realization of the right and left sucker rod pumps.As shown in Figure 3, it comprises power chain 4, power chain 5, commutation chain link 6 and driven sprocket 7, and A is expressed as the chain link hitch point, and B is expressed as chain link hitch point curve movement.Power chain 4 is connected by power chain 5 with driven sprocket 7, and during power chain 4 low-speed runnings, power chain 5 drives driven sprocket 7 with same speed running; At power chain 4 and driven sprocket 7 center fixed commutation chain link 6, commutation chain link 6 is connected with power chain 5, and commutation chain link 6 is the structural members that are fixed on power chain 5 chain links; This just makes commutation chain link 6 do the closed curve motion with power chain 4, driven sprocket 7 and power chain 5.On the commutation chain link 6 the lifting rope hitch point is arranged, 12 1 points of the polished rod eye of the right and left are suspended on the lifting rope hitch point of commutation chain link 6.Lifting rope hitch point and above-mentioned closed curve have certain normal direction offset distance, and in a service cycle of power chain 5, the lifting rope hitch point of commutation chain link 6 moves back and forth about realizing once, drag to move back and forth about polished rod eye 12 is also realized once.
Engine 1 among the present invention adopts motor, diesel engine or natural gas engine, and system dynamic is provided.Deceleration device 2 comprises belt reduction unit 2 and reducer 3, and belt reduction unit 2 adopts joined v-belt to slow down.Reducer 3 adopts single-stage or double reduction gear.Power chain 4, driven sprocket 7, power chain 5 and commutation chain link 6 are steelwork.Power chain 4, driven sprocket 7 also can adopt synchronous pulley; Power chain 5 also can adopt synchronous cog belt.Can regulate beam 8 and be telescopic steel welding girder construction.Leading block 9 is that steel pulley, balancing counterweight mechanism lifting rope leading block 10 are the solid steel axle.Balancing counterweight mechanism 11 is made up of the polylith structural member.Polished rod eye 12 adopts the conventional pumping unit polished rod eye.Frame 13 is the steel welding frame structure.

Claims (9)

1. the twin-well oil-pumping machine of a high reliability is characterized in that: which comprises at least the right frame (13) with the concrete pedestal vertical fixing of a first from left, can regulate beam (8) crosswise fixed at left and right sides frame (13) top, and parallel to the ground; Can regulate beam (8) two ends and be fixed with leading block (9) respectively, polished rod eye (12) is articulated on the leading block (9) at two ends, and (12) points of polished rod eye that are between the two ends leading block (9) are connected with changement; Polished rod eye (12) two ends are connected with left and right sides well rod respectively; Changement is connected with actuating unit, and actuating unit drives changement and does the closed curve motion, drives left and right sides well rod and pumps.
2. the twin-well oil-pumping machine of a kind of high reliability according to claim 1, it is characterized in that: the leading block at described two ends (9) connects balancing counterweight mechanism (11) respectively.
3. the twin-well oil-pumping machine of a kind of high reliability according to claim 1 is characterized in that: described changement comprises power chain (4), power chain (5), commutation chain link (6) and driven sprocket (7); Power chain (4) is connected by power chain (5) with driven sprocket (7), and power chain (4) low-speed running makes driven sprocket (7) and power chain (5) with same speed running; Between power chain (4) and driven sprocket (7), there is commutation chain link (6) to be connected on the power chain (5); Commutation chain link (6) is done the closed curve motion with power chain (4), driven sprocket (7) and power chain (5); On the commutation chain link (6) the lifting rope hitch point is arranged, the polished rod eye of the right and left (12) is suspended on the lifting rope hitch point of commutation chain link (6); Lifting rope hitch point and above-mentioned closed curve have certain normal direction offset distance, and in a service cycle of power chain (5), the lifting rope hitch point of commutation chain link (6) moves back and forth about realizing once, drag to move back and forth about polished rod eye (12) is also realized once.
4. the twin-well oil-pumping machine of a kind of high reliability according to claim 1, it is characterized in that: described actuating unit comprises engine (1), belt reduction unit (2) and reducer (3) at least, engine (1) is connected with belt reduction unit (2) through belt, and belt reduction unit (2) is connected with reducer (3); Reducer (3) is connected with power chain (4) by chain, drives power chain (4) low-speed running.
5. the twin-well oil-pumping machine of a kind of high reliability according to claim 4 is characterized in that: described engine (1) adopts motor, diesel engine or natural gas engine, and system dynamic is provided.
6. the twin-well oil-pumping machine of a kind of high reliability according to claim 4 is characterized in that: the deceleration of described belt reduction unit (2) employing joined v-belt.
7. the twin-well oil-pumping machine of a kind of high reliability according to claim 4 is characterized in that: described reducer (3) employing single-stage or double reduction gear.
8. the twin-well oil-pumping machine of a kind of high reliability according to claim 1 is characterized in that: describedly regulate the beam-shaped structure that beam (8) is shaped steel welding.
9. the twin-well oil-pumping machine of a kind of high reliability according to claim 3, it is characterized in that: described commutation chain link (6) is the structural member that is fixed on power chain (5) chain link.
CN2007100191155A 2007-11-20 2007-11-20 High reliability double well pumping machine Expired - Fee Related CN101187304B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2007100191155A CN101187304B (en) 2007-11-20 2007-11-20 High reliability double well pumping machine

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Application Number Priority Date Filing Date Title
CN2007100191155A CN101187304B (en) 2007-11-20 2007-11-20 High reliability double well pumping machine

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CN101187304B CN101187304B (en) 2011-11-09

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101737022A (en) * 2010-02-22 2010-06-16 刘永德 Semilunar beam through type crank outer support arm twin-well pumping unit
CN105888619A (en) * 2016-04-25 2016-08-24 王海荣 Energy-saving oil pumping device
CN106869870A (en) * 2017-04-28 2017-06-20 中国石油大学(北京) Chain drive pumping unit
CN110924902A (en) * 2019-12-12 2020-03-27 中国石油化工股份有限公司 Gear suspension gear drive load balance type oil pumping machine

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1033671A (en) * 1988-09-12 1989-07-05 大庆职工大学 Tackle pumping unit for two oil wells
CN1033672A (en) * 1988-09-12 1989-07-05 大庆职工大学 Beam-pumping unit with large amplitude for two oil wells
CN2179918Y (en) * 1993-05-05 1994-10-19 赵杰 Energy-saving counterweight balanced chain beam-pumping unit
CN2199330Y (en) * 1994-07-20 1995-05-31 石油大学(华东) Chain pumping unit without reversing frame
CN2503202Y (en) * 2001-09-12 2002-07-31 张兆喜 Wide-band beam-pumping unit
CN200946492Y (en) * 2006-06-13 2007-09-12 刘富春 Double well hydraulic oil pump unit
CN200975236Y (en) * 2006-11-29 2007-11-14 李延林 Double well wheeled type oil pumping machine

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101737022A (en) * 2010-02-22 2010-06-16 刘永德 Semilunar beam through type crank outer support arm twin-well pumping unit
CN101737022B (en) * 2010-02-22 2012-08-08 刘永德 Semilunar beam through type crank outer support arm twin-well pumping unit
CN105888619A (en) * 2016-04-25 2016-08-24 王海荣 Energy-saving oil pumping device
CN106869870A (en) * 2017-04-28 2017-06-20 中国石油大学(北京) Chain drive pumping unit
CN110924902A (en) * 2019-12-12 2020-03-27 中国石油化工股份有限公司 Gear suspension gear drive load balance type oil pumping machine

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