Study on Reservoir Characteristics and Main Controlling Factors of Ma-55 Submember in Sulige Area

doi:10.7657/XJPG20170106

›› 2017, Vol. 38 ›› Issue (1): 1-1.doi: 10.7657/XJPG20170106

Study on Reservoir Characteristics and Main Controlling Factors of Ma-55 Submember in Sulige Area

DU Jiangmin1, ZHANG Xiaoli2, NIE Wancai3a, XU Houwei4, LUO Chuanyou3b, GUO Ling2

(1.School of Resources, Hebei GEO University, Shijiazhuang, Hebei 050031, China; 2.Department of Geology, Northwest University, Xi’an, Shaanxi 710069, China; 3.PetroChina Changqing Oilfield Company a.Research Institute of Exploration and Development,b. Research Center of Sulige Gas Field, Xi’an, Shaanxi 710021, China; 4.Research Institute of Exploration and Development, Xinjiang Oilfield Company, PetroChina, Karamay, Xinjiang 834000, China)

Online:2019-01-01 Published:1905-07-13

Abstract

Abstract: Based on core observation and the analysis on the data of thin section, SEM, mercury injection and petrophysical property and using geophysical and geochemical methods, the paper systematically studies the reservoir characteristics of Ma-55 submember of Ordovician Majiagou formation in Sulige area, analyzes the main controlling factors influencing reservoir formation and development and predicts the distribution of favorable reservoirs. The reservoir of Ma-55 submember is dominated by argillaceous-silty dolomite and silty dolomite with the main reservoir spaces of intercrystalline pores and intercrystalline dissolved pores. The petrophysical properties of Ma-525 are better than those of Ma-515. Sedimentary facies is the material basis for reservoir formation and the microfacies of dolomite flat is the favorable sedimentary facies belt for reservoir development. Diagenesis is a significant guarantee to form favorable reservoir spaces and the constructive diagenesis such as dolomitization and dissolution are favorable to reservoir reconstruction. The tectonism is the effective supplement for reservoir development

CLC Number:

TE112.23

DU Jiangmin1, ZHANG Xiaoli2, NIE Wancai3a, XU Houwei4, LUO Chuanyou3b, GUO Ling2. Study on Reservoir Characteristics and Main Controlling Factors of Ma-55 Submember in Sulige Area[J]. , 2017, 38(1): 1-1.

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Study on Reservoir Characteristics and Main Controlling Factors of Ma-55 Submember in Sulige Area

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