The unallowable wellbore enlargement rate (20%-30%) is the severest problem of wellbore qualities in the job area of north of Hubei.
井径扩大率超标是鄂北工区井身质量存大问题,一般都达到20%~30%,严重影成井质量。
The unallowable wellbore enlargement rate (20%-30%) is the severest problem of wellbore qualities in the job area of north of Hubei.
井径扩大率超标是鄂北工区井身质量存大问题,一般都达到20%~30%,严重影成井质量。
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