How to clean tubing and sucker rod automatically during operation?
During loading operations in oilfield, surface of tubing and sucker rod always is stained with more crude oil when tubing and sucker rods are loaded out.
In traditional workover, generally, operators will not take care of them. Crude oil that sticking on the surface of the […]
How to drain crude oil without oil drain?
The invention relates to a sucker-rod pumps for the operation of oil wells. Drain valve sucker rod pump includes a housing with a through channel and a drain device. Discharge device made in the form of a piston mounted in the bore. Boring connects a passage with […]
How to product heavy oil by heating sucker rod pump
Thermal methods are inevitable in heavy oil/bitumen recovery. Different types of “aqueous” methods such as cyclic steam and hot water injection, in-situ combustion, hot water and steam flooding, and steam assisted gravity drainage have been widely applied over decades. Currently, non-aqueous heating methods, generally named […]
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