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公开(公告)号:WO2019147820A1
公开(公告)日:2019-08-01
申请号:PCT/US2019/014965
申请日:2019-01-24
Applicant: STABIL DRILL SPECIALTIES, L.L.C.
Inventor: TEODORESCU, Sorin, Gabriel , WILLIAMS, Donnie , SHORT, Lot, William , BEGGS, Robert, B. , BEGGS, Richard, E.
Abstract: A reaming tool for use in a wellbore has an elongated tubular body with an outer surface. There are at least first and second reamer sections formed on the tubular body, with the first and second reamer sections (i) being positioned circumferentially opposite one another, and (ii) each having at least two blades. The first reamer section includes at least one rounded dome insert and a majority of cutting tooth inserts, while the second reamer section includes a majority of rounded dome inserts.