METHOD FOR DRIVAGE OF UNSTABLE ROCKS AT DRILLING OIL AND GAS WELLS
摘要
A method for drivage of unstable rocks at drilling oil and gas wells includes drilling in interval of bed with unstable rocks and strengthening the walls of the well in the interval with water solution CMC with following increase of its concentration.
申请公布号
UA77461(U)
申请公布日期
2013.02.11
申请号
UA20120010721U
申请日期
2012.09.12
申请人
LIMITED LIABILITY COMPANY &ldquo,YUG-NEFTEGAZ&rdquo,
