| 000 | 00620nam a22001337a 4500 | ||
|---|---|---|---|
| 008 | 140202b ck ||||| |||| 00| 0 spa d | ||
| 090 | _a8033137020 | ||
| 245 | 1 | 0 | _aPetroleum engineer international |
| 264 | _aDallas : Energy Publications, 1983 | ||
| 362 | 1 | _a(Mar. 1983) ; 52 p. | |
| 505 | 0 | 0 | _aDrilling contractors with rotary land rigs in U.S. -- U.S. contract rotary land drilling rigs -- Drilling |
| 505 | 0 | 0 | _acontractors with rotary land rigs in Canada -- Canadian contract rotary land drilling rigs -- International |
| 505 | 0 | 0 | _arotary land drilling contractors -- International contract rotary land drilling rigs. |
| 999 |
_c18493 _d18493 |
||