GLOSSARY

Injury

Physical harm or damage to a person resulting from traumatic contact ...
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Injury Severity Rate

Number of days lost per one million man hours worked.
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Joint Operative Body

An agreement among working interest owners describing how a well is ...
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Jacket

Supporting (concrete base or steel legs) structure for an offshore installation.
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Jack-Up Rig

Mobile drilling platform with retractable legs used in shallow waters less ...
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Kick

Back pressure in well from invading oil / gas / water.
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Killing a well

Filling bore with drilling mud of suitable density to stop flow ...
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Light crude oil

Liquid petroleum that has a low density and flows freely at ...
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Limestone

Calcium carbonate-rich sedimentary rocks in which oil or gas reservoirs are ...
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