Float collar and plug for use in wells
作者： Friedrich H. Langer Langer
DOI:
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摘要: A plug (10) is provided with a cavity (34) containing pieces of glass (35). When the drilled out ruptured and disturbed (35) facilitates drilling (10). The made plurality separate distinct wiper elements (13) spacer (14) which can be assembled to required configuration before use. may adapted sit on float collar having hollow tubular body (102) seal plate (110) disposed across fixed thereto. has an outwardly extending (113) sealingly contacts inner surface bore for allowing fluid pass.
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