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Pumping unit

A technology of pumping units and hollow sucker rods, which is applied in the fields of exploitation fluid, wellbore/well parts, earthwork drilling and production, etc., can solve the problems of low load rate, high energy consumption, low efficiency, etc., and achieves strong practicability and structural simple effect

Inactive Publication Date: 2014-01-22
SHAANXI HI TECH ENERGY DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In order to solve the problems of high energy consumption and low efficiency in oil pumping operations, two methods are commonly used: improving the motor and developing a new type of pumping unit. However, the load rate of the driving motor of the pumping unit is generally low at present, and it still needs to be improved and improved.

Method used

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  • Pumping unit

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Embodiment Construction

[0009] A pumping unit of the present invention comprises a machine base 1, a motor 2 is arranged on the machine base 1, the motor 2 is connected to a gearbox 3 and a gearbox 3 through a belt pulley, the machine base 1 is also provided with a sprocket seat 4, and the chain wheel seat 4 is respectively provided with upper sprocket 5 and lower sprocket 6, is connected by chain between upper and lower sprocket 6, and the connecting line between upper and lower sprocket 6 midpoints is perpendicular to the horizontal plane, and commutator 7 is connected on the chain , the base 1 is respectively provided with a chain wheel and a pulley, the upper end of the commutator 7 is connected to the solid sucker rod through the wire rope of the chain wheel, and the lower end of the commutator 7 is connected to the hollow sucker rod through the pulley; there are two upper pulleys 8, The connecting line between the middle points of the two upper pulleys 8 is parallel to the horizontal plane, whic...

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Abstract

The invention relates to a pumping unit which comprises a base. A motor is arranged on the base and connected with a gearbox through a belt wheel, a chain wheel seat is further arranged on the gearbox and the base and provided with an upper chain wheel and a lower chain wheel, the upper chain wheel is connected with the lower chain wheel through a chain, the connecting line between the midpoint of the upper chain wheel and the midpoint of the lower chain wheel is perpendicular to the horizontal plane, the chain is connected with a reverser, the base is provided with a chain wheel and a belt wheel, the upper end of the reverser is connected with a solid sucker rod through a steel wire rope of the chain wheel, and the lower end of the reverser is connected with a hollow sucker rod through the belt wheel. The pumping unit is simple in structure and strong in practicability.

Description

technical field [0001] The invention relates to a pumping unit in oil exploitation. Background technique [0002] At present, the total number of various types of pumping units in various oil fields in my country has exceeded 100,000 units. Calculated on the basis of an average motor capacity of 40 kW, the total installed capacity is more than 4×10 6 kW, and the part actually converted into useful work is less than the total. 42% of the energy consumption, that is, 2.32 x 106 kW·h of electric energy per hour is wasted in load balancing and transmission mechanism. Calculated according to the national large-scale industrial electricity charge standard - ￥0.848 / (kW·h), this will bring economic losses of about ￥18 billion to the oil field every year. In order to solve the problems of high energy consumption and low efficiency in oil pumping operations, two methods are commonly used: improving the motor and developing a new type of pumping unit. However, the load rate of the driv...

Claims

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Application Information

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IPC IPC(8): E21B43/00
Inventor 张淑芬
Owner SHAANXI HI TECH ENERGY DEV