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Henan coal-to-chemical gas treatment technology is internationally leading
Recently, the key technology research project of Goodjet Gas extraction drilling sealing materials and processes independently developed by Henan Coal Chemical Group Research Institute has been identified as reaching the international leading level
.
The Goodjet hole sealing material developed in this project has superior performance, which overcomes the defects of traditional chemical hole sealing materials such as low strength and poor sealing.
The developed two-end self-plugging hole sealing technology can locate the hole sealing at any hole sealing depth, and the pressure sealing hole
can be realized with one grouting injection.
Field application shows that Goodjet self-plugging and sealing process at both ends is simple, easy to operate, high sealing efficiency, low cost, and the gas extraction concentration is significantly improved
.
(Wang Chun)