Tamboesai, Emrizal Mahidin2014-01-232014-01-232014-01-23wahyu sari yenihttp://hdl.handle.net/123456789/5304To understand genetically relation between the old oil well ( X, Y and Z ) production having the same physical properties in WKP Chevron and a new well ( W ). The biomarker Stearana studies were conducted using Petroleum Geochemistry. Fingerprint of crude oils from GC-MS Analysis show that the genetic correlation among them are positive. However the new oil well W had a higher positive correlation to the well Z compared to the old well X and Yenbiomarkerstereanapetroleum geochemistryGC-MSUR-Scientific Work Lecturer