نمایش نتیجه 1 تا 2 از 2 نتیجه یافت شده برای drill crew:
n: 1. the workers on a drilling or workover rig, including the driller, the derrickhand, and the rotary helpers. 2. any group of oilfield workers.
n: Consisted by operating force of drill crew or clean crew. Including driller, derrick hand and rotary helper.
a group of workers on a rig.
n: The men required to operate the drilling rig on one shift or tour. This normally comprises a driller, derrickman and two or three roughnecks.
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