以前钻井深度只能达到1000英尺，但由于有了新的抽水方法，现在可以抽取比这更深的水。
Previous drilling of wells could only reach depths of 1,000 feet, but due to new pumping practices, water deeper than this can now be extracted.
简介了施工区地层，论述了钻井技术要点和成井工艺；说明了抽水试验及水质概况。
Brief introduction on strata in construction area and reviewed drilling technology and well completion technique, and meanwhile explained pumping test and water quality.
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