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存在的最大问题,一般都20%~30%,重影成井。
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存在的最大问题,一般都20%~30%,重影成井。
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