00514nab a2200169 4500 20260520001012.0 260224s xxu Finding ways to improve UBD hole cleaning 12/09/06 ; 07/06/2006 2 p. Drilling Contractor Vol. 62, no. 3 (mayo/jun. 2006) ; p. 58-59 ARTICULO Zhou, Lei 48588 Underbalanced Drilling 4211 Limpieza de pozos 2795 179659 179659 0 0 0 0 247478 BAAB BAAB 2026-03-05 200039318 0 200039318 2026-03-05 23:44:33 2026-03-05 ARTICULO