A
- AADE – American Association of Drilling Engineers
- AAPG – American Association of Petroleum Geologists
- AAODC – American Association of Oilwell Drilling Contractors (obsolete; superseded by IADC)
- AAV – Annulus Access Valve
- ABAN – Abandonment, (also as AB)
- ABSA – Alberta Boilers Safety Association
- ACHE – Air-Cooled Heat Exchanger
- ACOU – Acoustic
- ACQU – Acquisition log
- ADROC – advanced rock properties report
- ADT – Applied Drilling Technology, ADT log
- AFE – Authorisation For Expenditure, a process of submitting a business proposal to investors
- AFP – Active Fire Protection
- AGRU – acid gas removal unit
- AHBDF – along hole (depth) below Derrick floor
- AHD – along hole depth
- AIRG – airgun
- AIRRE – airgun report
- AIT – array induction tool
- AL – appraisal license (United Kingdom), a type of onshore licence issued before 1996
- ALARP – as low as reasonably practicable
- ALC – aertical seismic profile acoustic log calibration report
- ALR – acoustic log report
- aMDEA – activated methyldiethanolamine
- AMS – auxiliary measurement service log
- AMSL – above mean sea level
- AMV – annulus master valve
- ANACO – analysis of core logs report
- ANARE – analysis report
- AOF – absolute open flow
- AOFP – absolute open-flow potential
- APD – application for permit to drill
- API – American Petroleum Institute: both the organisation and measure of oil weight (API gravity) in ºAPI
- APPRE – appraisal report
- APS – active pipe support
- ARACL – array acoustic log
- ARESV – analysis of reservoir
- ARI – azimuthal resistivity image
- ARRC – array acoustic report
- ART – actuator running tool
- AS – array sonic processing log
- ASI – ASI log
- ASME – American Society of Mechanical Engineers
- ASP – array sonic processing report
- ASTM – American Society for Testing and Materials
- ASCSSV – annulus surface controlled sub-surface valve
- ASV – annular safety valve
- ATD – application to drill
- AV – annular velocity or apparent viscosity
- AVO – amplitude versus offset (geophysics)
- AWB/V – annulus wing block/valve (XT)
- AWO – approval for well operation
Read more about this topic: List Of Oil Field Acronyms