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近年来我国能源需求不断增加,需充分利用地下油气的资源,因此对油气钻井的各种技术、成本以及环境保护等方面提出了更高标准。与常规钻井方式相比,小井眼水平井具有水平井高产能和小井眼低环保节约的特点。采用小小井眼水平井技术为开发微观未波及油气区提供了机会,另外,由于存在大量老井,小井眼水平井再钻技术也将发挥它的积极作用。本文主要对小井眼水平井技术进行分析。
In recent years, China’s energy demand continues to increase, the need to make full use of underground oil and gas resources, oil and gas drilling for a variety of technologies, costs and environmental protection and so put forward a higher standard. Compared with the conventional drilling method, the slim hole horizontal well has the characteristics of high productivity of horizontal well and low environmental protection of slim hole. The use of a small borehole horizontal well offers the opportunity to develop a microscopic and undisturbed oil and gas zone. In addition, because of the presence of a large number of older wells, the re-drilling of slim borehole horizontal wells will also play an active role. This paper mainly analyzes the technology of slim hole horizontal well.