Xinjiang Petroleum Geology ›› 2006, Vol. 27 ›› Issue (4): 493-497.

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Re-Discussion of Relationship between Petroleum and Sand-Type Uranium Deposit

ZHANG Jing-lian, WEI Ping-sheng, ZHANG Hu-quan, CHEN Qi-lin   

  1. Northwest Branch, Research Institute of Petroleum Exploration and Development, PetroChina, Lanzhou, Gansu 730020, China
  • Received:2006-02-21 Online:2006-08-01 Published:2020-10-19

Abstract: The relationship between petroleum and sand-type uranium deposit is increasingly concerned. There exists paragenetic relationship between uranium ores and petroleum trace elements (Re, Ni and V, etc.), which indicates that they might be all originated from deep sources. The tracing and dating by Pb, Sr, Nd isotopes in crude and bitumen also prove the nature of deep sources. The deposition and formation of sand-ype uranium ores are related with reduction of hydrocarbon, especially with methane and hydrogen. Based on these deep source features and origin relationship between crude oil and uranium, the general criterion for finding out large oil and gas fields is presented, that is, as long as a sand-type uranium deposit is found with low-velocity and highly-conductive zones in the mid-crust, the target of large oil and gas fields could be delineated.

Key words: crude oil, sand-type uranium deposit, trace element, isotope, mid-crust, deep source, relationship

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