以下为句子列表：
英文: According to the problems occurred during the first stage of five well drillings in Qianmiqiao Qianshan Structure,technical measures,such as optimal well configuration,bottom hole assembly,bit type and drilling fluid were taken during the second stage of
中文: 分析了千米桥潜山构造第一阶段5口井施工过程中遇到的技术难题，从优化井身结构、优选钻具组合、钻头优选、优选钻井液体系及组织管理等方面给出了相应的技术措施和对策，并在第二阶段5口井的施工中进行了应用，且取得了明显的效果，为大港油田千米桥潜山构造的勘探开发奠定了坚实的基础。
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英文: According to the reservoir property of the peripheral “three low”oil fields, a new type of drilling fluid -formate drilling fluid system is determined to protect the reservoirs with low pressure and low permeability.
中文: 根据外围“三低”油田的储层特性，确立了一种保护低压、低渗储层的新型钻井液——甲酸盐钻井液体系。
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英文: Compared with the performance of K2SO4 drilling fluid, both of them are suitable drilling fluid system to protect low pressure and low permeable reservoirs.
中文: 通过与K2SO4钻井液性能对比表明，两种盐水体系都是保护低压、低渗储层较为理想的钻井液体系。
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英文: Different drilling fluid systems have been used in the horizontal well drilling in North Tarim area, more specifically, polymer drilling fluid is used in the top hole of large size, and polysulfide drilling fluid for the lower interval; for the building s
中文: 塔北地区水平井上部大井眼采用聚合物钻井液体系、下部井段采用聚磺钻井液体系、造斜段及水平段采用聚磺混油钻井液体系。
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英文: Field using indicates that the polymer drilling fluid is suitable for the large size hole because of its remarkable cuttings removal ability; and polysulfide drilling fluid shows its strong inhibition, anti-sloughing and good cuttings transportation; whil
中文: 现场应用结果表明，聚合物钻井液体系解决了大井眼携岩问题；聚磺钻井液体系抑制能力、防塌能力、携岩能力强；聚磺混油钻井液体系的携带、悬浮岩屑能力及润滑性更好。
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