00520nab a2200169 4500 20260608201631.0 260224s xxu R&D validates effectiveness of aphron drilling fluids 12/09/06 ; 18/05/2005 3 p. Drilling Contractor Vol. 61, no. 3 (mayo/jun. 2005) ; p. 55-58 ARTICULO Popov, Peter 36394 Growcock, Fred 36395 Growcock, Fred 36395 164772 164772 0 0 0 0 232591 BAAB BAAB 2026-03-05 200036205 0 200036205 2026-03-05 14:02:18 2026-03-05 ARTICULO