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|  | | 为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法,我们为您准备了出自英文原文的大量英语例句,供您参考。 | |
Coiled tubing drilling was introduced in the last decade, further reducing costs of horizontal well drilling.
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Enhancement of well productivity is the main goal of horizontal well drilling.
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Technology of horizontal well drilling has improved production rates both in UCG and CBM operations.
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| | Shuiping-2 Well is an exploration well with depth of 2497 m and extended horizontal section of 901. 86 m . Inorganic cationic gel mud was adopted in drilling the horizontal section . By using this mud system , problems encountered such as lost circulation , hole instability , hole cleaning were solved successfully . | | 为了更好地推进水平井钻井液的现场应用技术,论述了水平2井中出现的复杂事故、对煤层防塌及长段水平井钻井液的处理情况。试用了无机阳离子胶技术,较好地解决了井下漏失、井塌、携砂及润滑防卡等一系列问题,满足了钻井工程和保护油层的需要。 | | 文摘来源 | | According to the requirements of mudcarrying in horizontal well and the model of cuttingbed theory, the calculations are presented for annularslip velocity in the 2nd cleaning area in highly-inclinedand horizontal wells, and various factors effecting annular slip velocity analyzed. With the statistics, thecurrent annular slip velocity in some oilfields in Chinais 0. 86 ̄1. 63m/s, which can be used for reference indesign of hydraulic and rheological parameters for thecleaning area. The results show the migrat... | | 根据水平井钻井液携岩要求和岩屑床理论模型,给出了大斜度井及水平井钻井第二洗井区环空止动返速的计算方法,分析了影响环空止动返速的诸种因素。统计得出,我国目前水平井钻井第二洗井区环空止动返速为0.80~1.03m/s,可供该洗井区的水力参数及流变参数设计时参考。实例分析表明,采用环空止动返速能准确地评价第二洗井区岩屑床的运移状态。 | | 文摘来源 | | o seek a way of developing low pressure and low permeability oil reservoir,Changqing Oil Field and Xi'an Petroleum institute drilled a horizontal well in co-operation in Ausal Oil Field (North Shaanxi).The deviated depth of the well is 1658. 27m. the vertical depth is 1259. 19m and the length of the horizontal section is 236. 17m.A new low solids, non-dispersed polymer drilling fluid- AML was used in drilling the well' AML consists mainly of three kinds of additives. One is amphionic polymer(A). The second ... | | 为探索用水平井技术提高安塞油田低压低渗薄油藏的单并产量,长戾油田与西安石油学院合作钻成了一口井深1658.27m、水平并段长度236.17m的水平井—塞平一井.该井采用新研制的AML低固相钻井液在现场应用中较好地解决了井眼净化、井壁稳定、润滑防卡水平井钻井液的三大难题,配合工程措施顺利地钻成了这口井.在应用中探索了水平井使用层流携屑的措施,实现了聚合物钻井液滤失性与泥饼质量的统一,解决了两性离子聚合物钻井液抑制能力不足的缺陷,探索出钻井液复合技术,对钻井液工艺有新发展. | | 文摘来源 | |   | | << 更多相关文摘 |
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