کلمه bailer یافت شد:
n: a long, cylindrical container fitted with a valve at its lower end, used to remove water, sand, mud, drilling cuttings, or oil from a well in cable-tool drilling.
n: A long, cylindrical container, fitted with a valve at its lower end, used to remove water, sand, mud, oil, or junk and debris from a well.
a hollow tube with a trap door or ball seat, run on wireline, which can be used to spot or remove solid material from a well bore.
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