GLOSSARY

Subsea Wellhead

A wellhead installed on the sea floor and controlled remotely from ...
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Semi-submersible Rig

Mobile drilling platform with floats or pontoons submerged to give stability ...
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Tar sands

Another name for oil sands. A deposit of sand saturated with ...
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Tertiary recovery

The third major phase of crude oil recovery that involves using ...
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Tight gas

Gas with very low flow rates. Found in sedimentary layers of ...
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Three-dimensional Seismic / 3-D Seismic

Three-dimensional images created by bouncing sound waves off underground rock formations; ...
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tcf

Trillion (a million million) Cubic Feet (of Gas)
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Ultimate potential

An estimate of recoverable reserves that will have been produced by ...
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Undiscovered recoverable resources

Those resources estimated to be recoverable from accumulations believed to exist ...
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