Research on Application of SDC Sensitive Attribute Analysis Technique in
Horizontal Well Trajectory Optimal Design

doi:10.11885/j.issn.1674-5086.2013.09.11.02

Abstract

Abstract:

Most of continental clastic rock reservoirs in Sichuan basin are low permeability reservoirs，although oil and gas resources are rich，the single well production is generally low，so it needs to transform from multi-wells with low production to less wells with high production，from low efficient development to high efficient development. Now the main means in the main reservoirs Xujiahe of Sichuan basin is the horizontal well technology，the main problem we are facing is how to find the high quality reservoir development zones and the high gas zones. With many horizontal well drilling failures occurred in recent years，it is an urgent need to use geophysical technology in the design of horizontal wells and the evaluation of the track. Seismic reservoir prediction technology can provide a more reliable goal for geological target optimization，but it rarely involved in horizontal well trajectory design，geosteering and following the tracks. How to make use of seismic attribute technology to improve the reliability of the forecast analysis and real-time guidance is the core and the key. By studying the theory and method of seismic attribute optimization technology，using SDC sensitive attribute analysis technique to optimize horizontal well trajectory design can improve the success rate of horizontal well geosteering drilling and reservoir drilling rate.

Key words: Seismic attributes, Sensitive attributes analysis, Horizontal well, Trajectory design

Ding Feng1, Lu Bo2, Yin Cheng1, Zhu Shijun1, Liao Ximing1. Research on Application of SDC Sensitive Attribute Analysis Technique in Horizontal Well Trajectory Optimal Design[J]. 西南石油大学学报(自然科学版), DOI: 10.11885/j.issn.1674-5086.2013.09.11.02.

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Research on Application of SDC Sensitive Attribute Analysis Technique in Horizontal Well Trajectory Optimal Design

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