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Jianghan Qinghe oil well casing replacement technology was patented

 Last Update: 2022-10-15
 Source: Internet
 Author: User

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heavy water ww2

46 hydraulic oil

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　　Recently, the radial anchoring method to replace the sleeve technology developed by Jianghan Oilfield Qinghe Oil Production Plant has won the national intellectual property invention patent
.

　　In the process of thermal recovery of heavy oil, the employees of the plant used steam injection, which caused the height of the wellhead packing box to be too high from the ground, which brought disadvantages to the safety and well control during the normal production of oil and water wells and workover operations.
influence
.
To this end, the company has specifically developed the radial anchoring method to replace the sleeve technology, and designed and developed anchors, special casing hydraulic tongs and special drill pipes with plug-in joints and other supporting tools
.

　　The application of this technology realizes safe and standardized construction, avoids operational risks, solves the technical difficulties in the construction process of overhauling and replacing casings, improves work efficiency, and takes less time to replace the wellhead casing of a well.
85% faster than usual
.

　　Up to now, the plant has completed the wellhead construction of 140 wells, saving 180,000 yuan in operating costs for a single well, and creating a cumulative profit of more than 25 million yuan
.

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