收稿日期: 2009-03-27
修回日期: 2009-06-16
网络出版日期: 2009-10-10
Application of Structural Diagram in Predicting GeologicPosition Depth in Kela 2 Gas Field Drilling
Received date: 2009-03-27
Revised date: 2009-06-16
Online published: 2009-10-10
郑广全,常志强,许建华,王洪峰,孙勇 . 井约束变速成图预测复杂盐岩层位方法在克拉2气田的应用[J]. 天然气地球科学, 2009 , 20(5) : 754 -758 . DOI: 10.11764/j.issn.1672-1926.2009.05.754
The surface of Kela 2 gas field is hills, stormed cracks and rivers; it's difficult to collect and process seismic data. Above the reservoir of interest is high and cliffy formation which has variable lithofacies and thickness, and has developed salt bed, gypsum, mud and hi\|pressure aquifer. To prevent leak, check, overflow and blowout, it's necessary to predict geologic position depth accurately. We elaborate the limitation and error of adjacent well position depth correlation method and seismic profile method through examples, and present a method that uses structural diagrams to predict geologic position depth under complex structures. The application of the new method increased the accuracy in predicting complex geologic position depth of the Kela 2 gas field, achieving good results. The method can be for reference in instructing drilling geologic design and drilling trace on other comparable or wide spacing fields.
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