acidic rocks acid rocksacidiferousacidization acidizingacidization of wellsacidization tools acidizing toolsacidize vacoustic bop controlacoustic locationacoustic location systemacoustic measuring system moduleacoustic positioningacoustic positioning system apsacoustic release deviceacoustic transponder transponderactivation loggingactive mudactive mud pit active pit mud pit sumpactive mud tankactive sonaractive thrust of earthactivity coefficientactual pressureactual thicknessactualboring time actual drilling timeacutely foldedacyclic hydrocarbonadamantineadamantine drilladapter adaptor stem extensionadapter flangeadditive dopeadherenceadhesionadhesion coefficientadhesive oil filmadhesive power of cement slurryadhesive water attached wateradjacent rock adjoining rockadjacent strata adjacent bedsadjustable expanding reameradjusting rodadriftadsorbed gasadsorption treatment adsorption treatingadult stageadvance bore holeadvance of the tool feed of the tooladvanced genusaeolian rock atmospheric rock eolian rockaerated
