TY - BOOK AU - Inglis,T.A. TI - Directional drilling T2 - Petroleum engineering and development studies, SN - 0860107167 (vol. 2, hardback) U1 - 622.3381 22 PY - 1987/// CY - London PB - Graham & Trotman KW - Directional drilling KW - BUEsh KW - ENGPET KW - June2015 KW - October2015 N1 - Index : p. 249-257; Include glossary; Includes bibliographical references ER -