收稿日期: 2004-07-25
修回日期: 2004-09-23
网络出版日期: 2004-12-20
基金资助
四川省重点学科项目(编号:SZD0414)资助.
RESERVOIR CHARACTERISTICS AND PREDICTION OF FAVORABLEREGIONS OF T1j22 IN DACHIGANJING STRUCTURAL BELT
Received date: 2004-07-25
Revised date: 2004-09-23
Online published: 2004-12-20
刘宏,蔡正旗,郑超, 张荣义 . 大池干井构造带嘉二~2储层特征及有利区预测[J]. 天然气地球科学, 2004 , 15(6) : 614 -618 . DOI: 10.11764/j.issn.1672-1926.2004.06.614
Presently the T1j22 stratum have become the important stratum of oil and gas exploration in Dachiganjing structural belt of east Sichuan, through comprehensive researches of reservoir sedimentary feature、 reservoir physical property、reservoir influential factor and reservoir prediction, we find that the T1j22 reservoir pore spaces were dominated by crystal-to-crystal pores and corrosion pores, and the reservoir type was defined as fracture-pore type. The reservoirs were classified in four types, and in this area reservoirs mainly belong to type Ⅲ,however, in the stratum profile, type Ⅰand type Ⅱ were few distributed, and formed 1~2 high porosity section. The reservoir physical property were primarily dominated by sedimentary facies、corrosion and dolomization. Through reservoir prediction, it indicated that the reservoir in Mainan structure and Mopan-Laowan buried structure which located in short limb and bottom wall were finely developed ,this two areas were the primary area for the further exploration and drill site design in Dachiganjing structural belt.
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