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- Title
STUDY ON SENSITIVITY OF LOW-PERMEABILITY RESERVOIRS OF WUQI OILFIELD CHANG 6.
- Authors
FENG-XIA LI; ZHENG-KU WANG; HONG-LI LIU
- Abstract
Based on the characteristics of Wuqi Oilfield Chang 6 reservoir, the paper has researched the speed sensitivity, water-sensitivity, acid sensitivity, salt sensitivity, alkali sensitivity and stress sensitivity of the reservoir rock. The results of the reservoir rock show that the speed-sensitivity damage is weak speed-sensitivity; the damage extent to water-sensitivity is weak water-sensitivity from no water sensitivity to medium, the damage extent of the acid sensitivity is weak, the damage extent of the salt-sensitivity is from being moderate to weakness to no salt sensitivity, and the damage extent of the alkali sensitivity is no alkali sensitivity. The experiment of stress sensitivity research also shows the loss rate of penetration is very strong.
- Subjects
RESERVOIR rocks; CLAY minerals; SILTSTONE; SANDSTONE; QUARTZ
- Publication
Oxidation Communications, 2015, p1739
- ISSN
0209-4541
- Publication type
Article