页岩气勘探开发技术综述

近年来,我国越来越重视对页岩气这一非常规天然气的开发研究。国内已完工了一批页岩气试采井,这预示着页岩气资源开发已开始铺开,但是页岩气开发我国还处于起步阶段,尚未进入商业性开采。页岩气的勘探开发不同于常规天然气的开发,难度较大,需要综合性的勘探技术才能完成。主要概略介绍了目前国内外关于页岩气储藏条件与地层评价方法、钻完井技术、压裂技术及固井技术等。

A SUMMARY OF EXPLORATION AND DEVELOPMENT TECHNIQUES OF SHALE GAS

In recent years our country-has paid more and more attention to development and study of shale gas, an extraordinary natural gas. A number of shale gas pilot mining shafts have been finished, signifying the start of development of shale gas resources. However, shale gas development is still in its initial stage and has not evolved into commercial mining in China. Shale gas is different from conventional natural gas in exploration and development, comparatively is more difficult and needs integrated exploration techniques to accomplish. This paper outlined storing conditions, stratigraphic evaluation methods, well drilling and completion techniques, fracturing techniques and well cementation techniques for shale gas at home and abroad.