workover rig
21Casing (borehole) — Casing is large diameter pipe that is assembled and inserted into a recently drilled section of a borehole and typically cemented into place.PurposeCasing that is cemented in place aids the drilling process in several ways: * Prevent… …
22Parker Drilling Company — Infobox Company company name = Parker Drilling company company type = Public foundation = 1934 location = 1401 Enclave Pkwy. # 600 Houston TX 77077 2054 key people = Robert L. Parker, Jr. (CEO) area served = industry = Petroleum products = Rigs… …
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