TY  - GEN
AU  - Navarro,Armando
TI  - Environmentally  safe drilling practices
U1  - 622.3381 
PY  - 1995///
CY  - Oklahoma
PB  - Penwell Books
KW  - Gas well drilling
KW  - Environmental aspects.
KW  - Oil well drilling
KW  - Environmental aspects
N1  - Includes bibliography and index
ER  -