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13:18 Oct 22, 2007
This question was closed without grading. Reason: No acceptable answer
English to Spanish translations [PRO] Tech/Engineering - Geology / filtros para pozos
English term or phrase:bumping block
contexto......If the casing can no be withdrawn by casing line, it may be pulled by jarring with the drilling tools with fishing jars attached or a bumping block or drive clamps...