TY  - BOOK
AU  - Guo, Boyun
AU  - Ghalambor, Ali
TI  - Gas Volume Requirements for Underbalanced Drilling: Deviated Holes
SN  - 9780878148028
U1  - 622.3381 
PY  - 2002///
CY  - New York
PB  - Pennwell Book
ER  -