APPARATUS AND METHODS FOR SEALING AROUND THE OPENING TO AN UNDERGROUND BOREHOLE
摘要
Apparatus useful for providing a liquid-tight seal around an opening formed in the earth's surface of an underground borehole includes a clamp and at least one platform. The clamp is configured to engage a wall extending around the borehole and the platform is configured to extend outwardly from the clamp over the earth's surface adjacent to the borehole.
申请公布号
CA2923992(A1)
申请公布日期
2015.04.16
申请号
CA20142923992
申请日期
2014.09.28
申请人
NEWPARK MATS & INTEGRATED SERVICES LLC
发明人
DUGAS, AARON WILLIAM;DURIO, KENNETH EDWARD;MCDOWELL, JAMES KERWIN;BORDELON, RANDY PAUL;EDWARDS, RICHARD LAMAR