Drilling & Wells

Aker Kvaerner maritime hydraulics

As Low As Reasonably Practicable

Automatic Mode Function

Alaska North Slope

Association for Payment Clearing Services

Annular Pressure Buildup

Application for Permit to Drill

Activity Proposal Form

atomic packing factor

American Petroleum Institute

Advanced Process Manager (Honeywell)

Application Processing Platform (Honeywell)

appropriation

anisotropic prestack depth migration

Annular Pressure While Drilling

AnderReamer

Annular Seal Assembly

Accelerated SAP

AMERICAN SOCIETY OF HEATING, REFRIGERATING AND AIR CONDITIONING ENGINEERS

Auxiliary Safety Isolation Device