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R
R
R&R: Read and record.
R&W: Reservoir and wells.
Rabbit: A drift dropped through tubulars on the rig oor before joint
makeup.
RACI: See Royal Australian Chemical Institute.
Rack: (1) A pipe storage rack. (2) Evenly spaced parallel metal bars or
rods located in the inuent channel to remove rags, rocks, and cans from
wastewater.
Racking Back Pipe: To stand pipe in the derrick.
RAD: See Radioactive densitometer.
Radial Cutting Torch: A tubing cutting tool that uses thermite plasma.
Radial Darcy Law: The Darcy equation describing radial movement of uids
in laminar ow through porous media.
Radial Stress (Tubular): Stresses inward