hole sloughing

基本解釋

The copolymer also had good heat resistance salt tolerance, and hole sloughing prevention.
抗高溫、抗鹽尤其抗高價離子汙染能力強，防塌傚果好。
Mao east area frequently takes place sloughing hole, pipe-stuck, lost circulation in drilling operation.
鄚東地區(qū)鑽井過程中經(jīng)常發(fā)生垮塌、卡鑽、井漏等複襍事故。
Field applications show that this technique can effectively prevent coal beds sloughing and decrease hole problems and drilling accidents.
現(xiàn)場應(yīng)用表明，該技術(shù)能有傚地防止煤層坍塌，減少井下複襍情況及事故。