Because of the factors of isotopic contamination, unreasonable pipe structure of water injection wells, existence of big pore formation,cement channeling and poor well performance, the well logging data of injectivity profile accuracy is influenced.

Discussion On Geology and Isotope Characters of Jiusangou Gold Deposit in Wangqing,Jilin Province;

Gas isotope characteristics analysis in the south of eastern sag in Liaohe Basin;

Primary discussion on isotope characteristics of coalbed gas of Qinshui basin;

Study on characteristics of S,Pb isotopes of the Pb-Zn deposits,Au deposits in Xicheng area and their metallogenic relationship;

Comparative studies on Pb isotope ratios of corrosion rinds and metal cores of bronze vessels;

Based on a systematic lithologic and sedimentary facies analysis,this paper deals in detail with Pb isotope characteristics of dolomite and associated limestone in the Long'eni-Angdar Co ancient oil accumulation.