TY  - GEN
AU  - Gelfgat,Yakov A.
AU  - Gelfgat,Mikhail Y.
AU  - Lopatin,Yuri S.
TI  - Advanced drilling solutions
SN  - 0878147861 (v. 1)
U1  - 622.33820947 22
PY  - 2003///
CY  - Tulsa, Oklahoma
PB  - PennWell Corp.
KW  - Oil well drilling
KW  - Russia (Federation)
KW  - BUEsh
KW  - Former Soviet Republics
KW  - ENGPET
KW  - August2015
N1  - Includes index.; Includes bibliographical references
ER  -