| 000 | 00495 a2200265 4500 | ||
|---|---|---|---|
| 001 | 47521 | ||
| 020 | _a0 | ||
| 041 | _aeng | ||
| 080 | _a622.233 Dri-1 | ||
| 245 | _aDrilling completion | ||
| 250 | _a | ||
| 260 | _aLondon | ||
| 260 | _b: Merlin Petrolium Consulting Ltd., n.d. | ||
| 260 | _c | ||
| 300 | _apt.1 | ||
| 300 | _c29 cm | ||
| 490 | _a | ||
| 100 | _a | ||
| 700 | _a | ||
| 650 | _a | ||
| 650 | _aRock-drills | ||
| 650 | _aDrilling and boring | ||
| 942 | _cBK | ||
| 942 | _2UDC | ||
| 999 |
_c61739 _d61739 |
||