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protective sleeve for auctioning drilling in drilling to great profondita'in soils of extraction of petroleum, natural gas and the like
protective sleeve for auctioning drilling in drilling to great profondita'in soils of extraction of petroleum, natural gas and the like
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机译:在石油,天然气等类似物的巨大土壤中钻探时,用于拍卖钻探的保护套
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摘要
The invention provides a protective sleeve for drill pipes used for the drilling of deep wells in the ground for the recovery of oil, natural gas or similar, this protective sleeve being attachable in the connection area of the individual drill pipe rods and comprising a resilient inner part in the form of a ring part and a protective covering of a flexible and/or elastic material surrounding this inner part, characterized by this protective sleeve comprising two half shells with tension claws on the inside and spring segments on the outside adapted to be, joined together in a hinge-like fashion to form a closed ring.
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