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综述了前苏联、美国、加拿大、法国、英国的分支井技术发展及应用情况,分析了分支井的典型应用条件和潜在经济效益。通过实例阐述1口三分支井的钻井技术特点。指出了国内外分支井技术的现状和差距, 并提出建议。
The development and application of branch wells in the former Soviet Union, the United States, Canada, France and the United Kingdom are summarized. Typical application conditions and potential economic benefits of branch wells are analyzed. An example is given to illustrate the technical characteristics of drilling in one three-branch well. Point out the current situation and the gap of the branch well technology at home and abroad, and put forward the suggestion.