
436
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Triolein
Triolein: Triolein is the principal component of olive oil. Triolein is a triglyc-
eride—it consists of glycerol with three ester linkages. It may be hydrolyzed
(breaking the ester linkages) to form oleate ions in a saponication reaction.
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Trip: Pulling all pipe from the well and rerunning the pipe to bottom.
Trip Gas: (1) Mud logging term. (2) Gas that enters the wellbore during a
trip of the drilling string. May be due to swabbing and/or lowering the mud
equivalent circulating density during pump shutdowns.
Trip In: Run in the hole with tubing or drill pipe.
Trip Margin: Any mud density over the amount needed to balance t