TY  - BOOK
AU  - Ghulam Murtaza Mahar.
AU  - Ansari, Ubedullah.
TI  - A comprative study of casing while drilling techniques and conventional casing techniques
U1  - GHU 
PY  - 2014///
CY  - MUET, Jamshoro
PB  - Petroleum & Natural Gas Engineering
KW  - Petroleum & Natural Gas Engineering
N1  - Includes References
ER  -