Oil & Gas Geology ›› 1990, Vol. 11 ›› Issue (2): 195-201.doi: 10.11743/ogg19900208

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DISTINGUISHING OF VOLCANICS LITHOLOGY IN JIAMUHE FORMATION OF PERMIAN SYSTEM,5-8 DISTRICTS,KARAMAY OILFIELD

Kuang Lichun   

  1. Research Institute of Petroleum Exploration and Development, Xinjiang Petroleum Administration
  • Received:1988-11-04 Revised:1989-06-01 Online:1990-06-25 Published:2012-01-16

Abstract:

Since the volcanics has a quite complicated composition,it is difficult to evaluate the content of different minerals in vlcanics by log data.The volcanics of the Jiamuhe Forma-tion of Permian System,5-8 distrcts,Karamay Oilfield is divided into volcanic breccia,basalt and rhyoporphyry based on the data of cross section,and distinguished using cross-plots.The paper also provides the values of density,neutron porosity,cross section index of effective photoelectric absorption and uranium,thorium,potassium contents.