TY  - BOOK
AU  - Chugh,,Chandra Parkash
TI  - Drilling  technology  handbook
SN  - 0878143688
U1  - 622.3381 20
PY  - 1994///
CY  - New Delhi
PB  - Oxford & IBH Co.PVT.
KW  - Oil well drilling rigs
KW  - Electric driving
KW  - Silicon-controlled rectifiers
N1  - Includes bibligraphical references and index
ER  -