/ RDLs / ISO 15926 Part 4: Core reference data - Edition 4 / BOTTOM HOLE ASSEMBLY

BOTTOM HOLE ASSEMBLY

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https://posccaesar.org/ontology/15926-4/4.0/BOTTOM_HOLE_ASSEMBLY
Definition A <BOTTOM HOLE ASSEMBLY> is a <DRILLING COMPONENT> that is the lower part of a drill string, extending from the bit to the drill pipe.