نمایش نتیجه 331 تا 340 از 18673 نتیجه یافت شده برای O:
along hole depth or measured depth.
anchor handling vessel.
n: a surveying instrument consisting of sighting device, index, and reading or recording device.
abbr: American Institute of Mining, Metallurgical, and Petroleum Engineers.
American Institute of Mining, Metallurgical and Petroleum Engineers.
Australian Institute of Petroleum.
American Institute of Professional Geologists.
Standard density of dry air, free of CO2 at 0oC is 1.292 g/L.
n: a roller cone bit that is specially designed for air or gas drilling. It is very similar to a regular bit, but features screens over the bearings to protect them from clogging with cuttings and thicker hardfacing on the shirttail to protect them from abrasive, high-velocity air or gas drilling fluid.
جعبه ی هوا
buoyancy device on a Spar.
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