International Oil and Gas Conference and Exhibition in China 2010
DOI: 10.2118/130924-ms
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Successful Application of the New Double-effect Protector in Deep Well Drilling

Abstract: This paper discusses a new double-effect protector (DEP). The serious wear of casing and drill pipe brings huge economic losses in drilling. On the basis of the traditional technology, a new DEP is designed, to reduce the wear of casing and drill pipe. The DEP's volume, which can be worn, increases 14% than the traditional protector's. As design and optimization by CAE software, the maximum stress, which is caused by the contacting collision&friction, is greatly lowered. As design and optimization by using… Show more

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