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在油田开发中后期 ,钻新井是边际油气田开发的主要障碍。利用 1口水平井开发多个目的层可减少勘探风险。为了节省钻水平井的费用 ,开发出一种新型的不需将技术套管下过造斜段的套管完井方式。测井和套管程序的简化节约了大量的资金。这种新型完井方式的实施不但使建井费用节约近 30 % ,而且由于从造斜点开始只需使用一个钻头就可钻穿油层 ,又节省了相当的费用
In the middle and late stages of oilfield development, drilling new wells is a major obstacle to the development of marginal oil and gas fields. Exploiting multiple target layers with 1 horizontal well reduces exploration risk. In order to save the cost of drilling horizontal wells, a new type of casing completion method without the need for technical casing over the bevel section has been developed. The simplification of logging and casing procedures has saved a lot of money. The implementation of this new completion method not only saves about 30% on well construction costs, but also saves considerable costs by drilling through the reservoir using just one bit from the point of incline