TY  - BOOK
AU  - Lyons,William C.
TI  - Working guide to drilling equipment and operations
SN  - 9781856178433 (pbk.) :
PY  - 2010///
CY  - Burlington, MA.
PB  - Gulf Publishing
KW  - Oil well drilling
KW  - Equipment and supplies
KW  - Gas well drilling
ER  -