Straight-pushing arc-operation beam pumping unit
A technology of beam pumping unit and arc, which is applied in the direction of mechanical equipment, production fluid, wellbore/well components, etc., can solve the problems of increasing one-time investment, increasing oil production cost, affecting the development of oilfields, etc., and achieving effective load High efficiency, lower oil recovery cost, and reduced one-time investment
Inactive Publication Date: 2011-11-16
大庆永佳电气有限公司
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Problems solved by technology
However, the pumping unit of this type of structure adopts a reducer that is difficult to process and a relatively high-power motor, so the one-time investment increases, the effective load rate is low, and the improvement of economic benefits is affected. The energy consumption is high, thus increasing the The cost of oil production affects the development of oil fields
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[0009] The present invention will be further described below in conjunction with accompanying drawing:
[0010] As shown in the accompanying drawings, the straight-push arc-running beam pumping unit includes a motor 1 fixed on the base and a beam 3 connected to the bracket through a central shaft 2, and a hinge lifting bracket 4 is connected to the tail of the beam 3 , the rear axle is connected with a connecting plate, the connecting plate is connected with the hinge lifting bracket 4, the middle hinge shaft 5 on the hinge lifting bracket 4 is biased towards the right end of the hinge plate, the length of the beam 3 is appropriately lengthened, and then the hinge lifting bracket 4 is connected to the right end of the hinge plate. The tail of the beam 3, according to the principle of leverage, also reduces the power of the motor, reduces energy consumption, realizes the purpose of saving energy, and finally achieves the purpose of reducing operating costs. The offset of the mid...
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The invention provides a beam-pumping unit that directly pushes a pitch arc. The invention solves the problems of large one-off investment, low loading factor and high energy consumption of a prior pumping unit. The invention is characterized in that the underside of a walking beam (3) behind a centre shaft (2) is connected with a chain lifting support (4); a hinge shaft (5) positioned at the middle of the chain lifting support (4) is to the right of a flap; the both tip shafts (7) on the lower side of the chain lifting support (4) are respectively connected with a slide bar (8); the slide bar (8) is connected with an inner roller shaft (10) in a slide way (9); the slide way (9) slopes backwards to connect with a base; and two tip shafts are respectively connected with an electrical motorby an actuating mechanism. The beam-pumping unit that directly pushes the pitch arc not only has high loading factor and low energy consumption in operation but has the advantage of small one-off investment.
Description
Technical field: [0001] The invention relates to a lifting device used in the field of oil production in an oil field, in particular to a beam pumping unit with direct push and arc operation. Background technique: [0002] With the development of oilfields and the continuous development of technology, there are various types of mechanical oil production equipment ranging from beam pumping units to electric submersible pumps and screw pumps to meet the needs of different production periods. At present, the pumping units used for artificial lifting are mainly beam pumping units, and the beam pumping units mainly adopt the transmission principle of four-link mechanism to achieve the purpose of lifting. However, the pumping unit of this type of structure adopts a reducer that is difficult to process and a relatively high-power motor, so the one-time investment increases, the effective load rate is low, and the improvement of economic benefits is affected. The energy consumption ...
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IPC IPC(8): E21B43/00F16H21/16
Inventor 王颜臣王再山王铎
Owner 大庆永佳电气有限公司