TY  - BOOK
AU  - Samuel,G.Robello
AU  - Liu,Xiushan
TI  - Advanced drilling engineering: principles and designs 
SN  - 1933762349
PY  - 2009///
CY  - Houston, TX
PB  - Gulf Pub.
KW  - Oil well drilling
KW  - Gas well drilling
N1  - Includes bibliographical references and index
ER  -