E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 12/00 (2006.01)
Patent
CA 2064387
Abstract PNE? ?ATICAL, MECHANICAL MERC CONTAINMENT SKIRT The mechanical device relates to a improvement function of a containment skirt by design, relative to Amercian patent #4,344,862. Here it is improved to contain, and release a puematically operated skirt around the tool joints, enabling it to direct the pressurized drilling fluids for reuse or storage. The improvements are in the overall design that enables it to utalize mechanical arms that facilitate its opera- tional functions.
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