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040 _aUPES LIBRARY
041 _aEnglish
082 _aCHA-2009BT
100 _aChand, Baishnab and KAviram
245 _aTechno-economic study on underbalanced and over balanced drilling
260 _aDehradun
_bUPES
_c2009
300 _a72
505 _aB.Tech(APE)2005-09
650 _aDissertation
650 _aEngineering
650 _aunderbalanced and over balanced drilling
700 _aC.K.Jain
942 _cTD
999 _c17301
_d17301