R
- RAC – Ratio Curves
- RACI – Responsible / Accountable / Consulted / Informed
- RAM – Reliability, Availability, and Maintainability
- RAWS – Raw Stacks VSP Log
- RBP – Retrievable Bridge Plug
- RKB – Rotary Kelly Bushings
- RCA – Root Cause Analysis
- RCKST – Rig Checkshot
- RCD – Rotating Control Device
- RCI – Reservoir Characterization Instrument
- RCL – Retainer Correlation Log
- RCM – Reliability Centred Maintenance
- RCR – Remote Component Replacement (Tool)
- RCU – Remote Control Unit
- RE – Reservoir Engineer
- REOR – Reorientation Log
- RE-PE – Re-Perforation Report
- RESAN – Reservoir Analysis
- RESEV – Reservoir Evaluation
- RESFL – Reservoir Fluid
- RESI – Resistivity Log
- RESL – Reservoir Log
- RESOI – Residual Oil
- REZ – Renewable Energy Zone (United Kingdom)
- RF – Recovery Factor
- RFLNG – Ready for Liquefied Natural Gas
- RFMTS – Repeat Formation Tester
- RFSU – Ready For Start-Up
- RFT – Repeat Formation Tester
- RFTRE – Repeat Formation Tester Report
- RFTS – Repeat Formation Tester Sample
- RIGMO – Rig Move
- RIH – Run In Hole
- RITT – Riser Insertion Tube (Tool)
- RKB – Rotary Kelly Bushing (a datum for measuring depth in an oil well)
- RLOF – Rock Load-out Facility
- RMLC – Request for Mineral Land Clearance
- RMP – Reservoir Management Plan
- RMS – Ratcheting Mule Shoe
- RNT – RNT Log
- ROCT – Rotary Coring Tool
- ROP – Rate of Penetration; Rate of Perforation
- ROT – Remote Operated Tool
- ROV/WROV – Remotely Operated Vehicle/WorkClass Remotely Operated Vehicle, used for subsea construction and maintenance
- ROZ – Recoverable Oil Zone
- ROWS – Remote Operator Workstation
- RPCM – Ring Pair Corrosion Monitoring
- RPM – Revolutions Per Minute, (Rotations Per Minute)
- RROCK – Routine Rock Properties Report
- RSS – Rig Site Survey
- RSS – Rotary Steerable Systems
- RST – Reservoir Saturation Tool (Schlumberger) Log
- RTTS – Retrievable Test-Treat-Squeeze (packer)
- RWD – Reaming While Drilling
Read more about this topic: List Of Oil Field Acronyms