00497nab a2200169 4500 20260520000607.0 260224s xxu Kessler, Calvin 20290 Walker, Mike 22239 Tool works in larger boreholes 12/09/06 ; 19/06/2003 2 p. Walker, Mike 22239 Hart's E & P Vol. 76, Issue 06 (jun. 2003) ; p. 51-53 ARTICULO 149633 149633 0 0 0 0 217452 BAAB BAAB 2026-03-04 200025626 0 200025626 2026-03-04 16:38:48 2026-03-04 ARTICULO