A PRELIMILARY STUDY ON TdEG ENESES OF PETROLIFEROUS DIFFRENCE IN THE ORDSVICIAN CARBONATE RESERVOIR, EASTERNORDOS BASIN
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摘要: 鄂尔多斯盆地东部下奥陶统储层含油气差异性的关键是储层储集条件的非均一性,根本原因是基底构造古隆起及凹陷、岩相古地理、成合作用和占岩溶的综合影响。其中,基底构造古隆起及凹陷是基础,岩相是条件,成岩作用是关键,古岩溶是决定性因素。Abstract: The petroliferous diffence of the Lower Ordovician reservoir rocks in the eastern Or-dos Basin is resuIted from the non-uniformly geological conditions for the reservoir rocks,which is an interaction of paleo-elevation of the basement structure,and depression,lith-facies and paleogeography,diageneLsis and paleokarstification,among those factors,paleo-elevation of the basement and depression are the foundation,lithfacies is the geological condition,diagenesi is the key to geological process, and paleokarstification is a decisive factor.
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[1] 王少昌,郝石生.那尔多斯地区下古生界天然气分布待征及远.,天然气地质研究论文集.北京:石油工业出版社,1990.49-56 [2] 覃建雄.含盐盆地中生油层的埋藏成岩作用和热化学硫酸盐还原作用.夭然气勘探与开发.1991.53(1),73-78 [3] 赵盆远等.那尔多斯及山西地块地质构造和沉积盆地的形成、演化及其与油气关系.北京:石油工业出版社,1988,3-7 [4] David M Petty. Depositional faciee,texture characteristics and reservoir properties of dolomites in Frobiaher-Alida interval in southwest north Dakoka, AAPC,1988,72(10),1032-1057 [5] Masenwllo S J. Diagenetic control on reservoir within a single depoeitional unit:Example from Frontier Formation. Poweder Runer basin podogenesie-A major diagenetic procession giant Hugoton gas field, AAPG,1988,72(2),103-117 [6] Moors C H. Controls of reservoir porosity and permeability by original faciea and diagenesie of Triassic,AAPG,1988,72(2):124-131 [7] Maaewllo S J. Sedimentologic and diagenetic controls on reservoir development at Rosrear gas field, Swan Hills Formation(Upper Devonian),central Albera:AAPG,1989, 61(3):785-797 [8] David A Budd and Vacher H L. Tectonic influences on Oadonnte deposition and diageneie, Buckhorn Aepoklahoma,Sefiment. Petr.,1991,61(1):234-240 -
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