Oil and Gas Terms Beginning with “R” — Page 7

Pertaining to a borehole wall that is rough. Read more →

Rugosity in petroleum engineering and borehole geophysics refers to the roughness or irregularity of the borehole wall surface — specifically, the variations in borehole diameter and surface texture that occur on a… Read more →

In well logging a run is a single operation in which a logging tool, or toolstring, is lowered into a borehole on wireline and then retrieved while it records measurements of the formation and the wellbore. The term… Read more →

Run in hole (RIH), abbreviated from the full phrase "run in hole" and used interchangeably with the verb "trip in," describes the operation of lowering any tubular string, tool string, or downhole assembly into the… Read more →

A running squeeze is a cementing remediation technique in which cement slurry is pumped down the drill pipe or tubing, exits through the bottom of the pipe while the pipe is being slowly pulled upward (run off), and is… Read more →

A running tool is a downhole device used to transport, position, and set (or retrieve) completion equipment such as packers, liner hangers, bridge plugs, nipples, and safety valves to their intended depth in the… Read more →

A rupture disk (also called a burst disk or pressure relief disk) is a non-reclosing, one-time-use pressure relief device consisting of a thin metal, graphite, or composite membrane that is designed to rupture at a… Read more →