| 本文已被：浏览次 下载次 |
码上扫一扫！ |
|
|
|
| Sedimentary characteristics of Cretaceous Hutubihe formation in hinterland of Junggar Basin |
|
YANG You-xing1,2,JIN Zhen-kui1,2,WANG Pu3
|
|
(1.College of Geosciences in China University of Petroleum, Beijing 102249，China ;2. State Key Laboratory of Petroleum Resource and Prospecting in China University of Petroleum, Beijing 102249, China ;3. PetroChina Coalbed Methane Company Limited, Beijing 10002S,China)
|
| Abstract: |
| Based on the principle and methods of sedimentology，the sedimentary characteristics of Cretaceous Hutubihe formation of Dixi 12 well block in Junggar Basin were analyzed by using well-logging，core data and the setting of this area. Hie results show that Hutubihe formation's lithologic character is fine sandstone，gray siltstone，argillaceous siitstone，brown mudstone alternate layers. Dixi 12 well block is arid braided river. And the microfacies are river channel, channel bar, embankment and flood plain. Tlie source of the deposits comes from the northwest and southeast orientation. Hutubihe formation is divided into 14 substratas. The braided channels are mainly developed in K^8 substrata. The braided channel becomes more and more wider in K, h,7-^ hj5 substratas. In , the braided channel becomes weak. The braided channel becomes wider and separates in Kjh^-Kj h2J |
| Key words: petroleum prospecting petroleum geology sedimentology reservoirs lithology Junggar Basin Hutubi formation braided river |
|
|