|Table of Contents|

Factors Affecting Productivity of Chang-8 and Chang-6 Oil-bearing Formations in Zhenjing Oilfield, Ordos Basin(PDF)

《地球科学与环境学报》[ISSN:1672-6561/CN:61-1423/P]

Issue:
2010年第02期
Page:
166-172
Research Field:
基础地质与矿产地质
Publishing date:

Info

Title:
Factors Affecting Productivity of Chang-8 and Chang-6 Oil-bearing Formations in Zhenjing Oilfield, Ordos Basin
Author(s):
DONG Wan-ping1;  LUO Jing-lan1;  ZHOU Gong-cai2;  LIU Xian1;  HUA Ai-jun2;  LI Yong-jie2; WANG Meng1
(1.State Key Laboratory of Continental Dynamics, Northwest University, Xi'an 710069, Shaanxi, China; 2.Logging Company, North China Coal-bed Gas Exploration and Development Corporation, Zhengzhou 450006, Henan, China)
Keywords:
reservoir;  micro characteristic;  productivity;  impact factor;  Chang-8 Oil-bearing Formation;  Chang-6 Oil-bearing Formation;  Zhenjing Oilfield
PACS:
TE328
DOI:
-
Abstract:
Based on detailed description and observation of drilling cores, identification of blue epoxy resin-impregnated thin sections, capillary pressure measurement and scanning electron microscope analysis, differences and major influence factors on the oil production of Chang-8 and Chang-6 Oil-bearing Formations in Zhenjing Oilfield, southwestern Ordos Basin are analyzed with well logging interpretation. The results indicate that the key factors controlling oil production of Chang-6 and Chang-8 Oil-bearing Formations include facies zone, micro characteristics of the reservoir, development of fractures and fissures, sealing conditions and reservoir damage. Therefore, according to the differences of depositional facies and reservoir micro characteristics, the development and exploitation project should be adjusted, and the percolation capacity of reservoir should be improved to increase the oil productivity of Chang-6 and Chang-8 Oil-bearing Formations based on the improvement of well construction technology.

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Last Update: 2010-06-20