OIL AND GAS GLOSSARY (H-P)

location - the place where a well is drilled. Also called well site.

log - a systematic recording of data, such as a driller’s log, mud log, electrical well log, or radioactivity log. Many different logs are run in wells to discern various characteristics of downhole formation. To record data.

Mmcf - Millions of cubic feet

operator - the person or company, either proprietor or lessee, actually operating a well or lease, generally the oil or gas company that engages the drilling, service, and workover contractors.

packer - a piece of downhole equipment that consists of a sealing device, a holding or setting device, and an inside passage for fluids.

plug - any object or device that blocks a hole or passageway (such as a cement plug in a borehole).

production casing - the last string of casing set in a well, inside of which is usually suspended a tubing string.

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