STUDY OF ALLUVIAL FAN SEDIMENTARY FACIES BASED ON GEOSTATISTICAL SEISMIC INVERSION-TAKE THE C OILFIELD OF XINJIANG AS AN EXAMPLE

ZHAO Lei; SHI Liangliang; KE Ling; HE Tingting; ZHANG Zheng; XU Xueliang

2017 Vol. 23, No. 5

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ZHAO Lei, SHI Liangliang, KE Ling, HE Tingting, ZHANG Zheng, XU Xueliang. STUDY OF ALLUVIAL FAN SEDIMENTARY FACIES BASED ON GEOSTATISTICAL SEISMIC INVERSION-TAKE THE C OILFIELD OF XINJIANG AS AN EXAMPLE[J]. Journal of Geomechanics, 2017, 23(5): 686-694.

Citation:

STUDY OF ALLUVIAL FAN SEDIMENTARY FACIES BASED ON GEOSTATISTICAL SEISMIC INVERSION-TAKE THE C OILFIELD OF XINJIANG AS AN EXAMPLE

1.
Sinopec Exploration & Production Research Institute, Beijing 100083, China
2.
PetroChina Changqing Oilfield Company No.6 Oil Production Plant, Xi'an 710200, Shannxi, China
3.
Research Institute China National Offshore Oil CORP, Beijing 100028, China
4.
Geophysical Exploration Academy of China Metallurgical Geology Bureau, Baoding 071051, Hebei, China
5.
CNPC Logging QingHai BU while drilling(log) Projects, Delingha 736202, Qinghai, China

Received Date: 03 March 2017

Publish Date: 25 October 2017

Abstract

Abstract

The C oilfield of Xinjiang is in the early development period which has few well data and large well spacing. The study of sedimentary facies using seismic inversion data can improve the research accuracy. The two methods are used for seismic inversion studies, namely constrained sparse pulse inversion and geostatistical inversion. The former is limited by seismic resolution and the vertical resolution can't meet the research demand. The latter can improve the vertical resolution. The sedimentary facies distribution is obtained by the geostatistical inversion of the reservoir thickness distribution map and the sedimentary facies pattern is summarized. This method solves the problem in describing the sedimentary facies in the exploration stage and the better results are obtained.
- geostatistics /
- seismic inversion /
- alluvial fan /
- sedimentary facies

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References

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