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Oil & gas
Terms concerning oil and gas as a fossil fuel and natural resource.
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Oil & gas > Drilling 
crown block
Oil & gas; Drilling
The fixed set of pulleys (called sheaves) located at the top of the derrick or mast, over which the drilling line is threaded. The companion blocks to these pulleys are the ...
jet velocity
Oil & gas; Drilling
The exit velocity of the drilling fluid after it accelerates through bit nozzles.
pressure hunt
Oil & gas; Drilling
The evaluation of various well parameters in an attempt to identify when the pore pressure in a drilling well is changing. A team consisting of geologists, engineers and most of ...
measurements-while-drilling
Oil & gas; Drilling
The evaluation of physical properties, usually including pressure, temperature and wellbore trajectory in three-dimensional space, while extending a wellbore. MWD is now standard ...
activity of aqueous solutions
Oil & gas; Drilling
The escaping tendency, or vapor pressure, of water molecules in an aqueous solution compared with that of pure water, typically abbreviated a w . Activity is expressed ...
Sub-categories
- corrosion inhibition (0)
- Downhole (49)
- Drilling (9514)
- Environmental management (93)
- Fuel handling (16)
- Horizontal directional drilling (7)
- Offshore oil exploration (2047)
- Oil (4406)
- Oil & gas instrumentation (856)
- Oilfield (22159)
- Pipeline related (90)