A New Method of Well Log Interpretation by the Sedimentary Microfacies-Lithofacies Used in the Conglomerate Reservoir
- 责任者：Shi Yanyao (State Key Laboratory of EOR ; Research Institute of Petroleum Exploration and Development ; PetroChina ; Beijing 100083 ; China) ; Song Xinmin
- 刊名：Journal of Jilin University
- 出版年：2010
- 卷期：40(3)
- 关键词：砾岩油气藏 ; conglomerate reservoir ; 新疆 ; Xinjiang
- 页码：p.707-712
- 图表：2 illus., 3 tables, 15 refs.
- 分类号：1003
- issnNo：ISSN1671-5888
- isbnNo：CN22-1343/P
For the sake of improving the well log interpretation accuracy on conglomerate reservoir and providing more reasonable parameters for reserves calculation, based on the research of mainly control factors of the conglomerate reservoir, taking Lower Karamay Formation as an example, the authors proposed a new method to get more accurate well log interpretation result, which takes the sedimentary microfacies-lithofacies as the basic interpretation interval. First, the core data was used to recognize five kinds of sedimentary microfacies-lithofacies. Then the logging interpretation model for porosity, permeability and saturation was respectively built according to the different sedimentary microfacies-lithofacies. At last the error was analysis by the old three coring well. The results showed that the accuracy of various parameters is increased at different degree and the average decrease of relative errors for porosity, permeability and saturation is 3.09%, 6.95%, 5.38%, respectively.