The breakthrough of gas usually occur during low permeability reservoir development, that lead to recovery efficiency fall.
低渗透油藏注气开发极容易发生气窜，导致采收率降低。
That's an efficiency breakthrough that could work no matter what form of fuel -- coal, natural gas from shale, solar -- ends up powering the grid in the coming century.
这种技术是一种重大突破。无论本世纪的主宰能源是来自岩层的煤、天然气还是太阳能，它都同样适用。
As a new method in the field of EDM, micro-EDM deposition (EDD) in gas is a big breakthrough in traditional manufacture.
气中微细电火花沉积加工作为电火花加工领域的一种新方法，是传统加工方法的一大突破。
Which established foundation for the breakthrough and mechanism research on the activity coefficient of the new type of welding gas in the world .
为全世界的新型焊割气在活度值上的突破及机理研究奠定了基础。
Consolidate the advantages of hydropower and thermal power units and make breakthrough in key technologies of gas, wind and nuclear power units in order to realize localization of these technologies.
强化水电和火电机组的优势，突破燃气、风电和核电机组的关键技术，实现国产化。
The term is most commonly applied to water or gas breakthrough, where the water or gas injected to maintain reservoir pressure via injection Wells breaks through to one or more of the producing Wells.
此术语最普遍地应用于水或气的突破，这时为了保持储层压力经注入井注入的水或气突入一口或多口生产井。
All the water invasion gas reservoirs are manifested as the characteristics of fracture water breakthrough.
活跃水侵气藏均表现为裂缝水窜的特征。
In recent years the discoveries of the gas reservoirs are an important breakthrough in Denying Formation, which displays a good natural gas exploring prospect in old carbonate strata of Sichuan Basin.
近年来在灯影组地层中的重大突破，为四川盆地在老地层中天然气的勘探展示了良好前景。
In the light of CMM characteristics, the electrically controlled gas mixer is applied to make internal combustion engine suitable for CMM power generation to realize a breakthrough in CMM utilization.
瓦斯发电机组针对煤矿瓦斯的特点，应用电控燃气混合器等技术，使内燃机应用于煤矿瓦斯发电，实现瓦斯利用的重大突破。
A big breakthrough of natural gas exploration were made in petroliferous Changling Faulted Depression, and high quality source rocks were also developmented in this region.
长岭断陷是一个富气凹陷，天然气勘探取得较大突破，其深层发育了优质的烃源岩。
But a process that could dramatically reduce the amount of energy it takes to produce cement or the amount of CO2 cement puts out could be a breakthrough in terms of reducing greenhouse gas emissions.
然而，要大幅度降低生产水泥所需要的能源消耗，或减少二氧化碳的排放量，以达到减少温室气体排放的目的，在生产工序上仍需做出很大突破。
If undertaking improvement on unsubstantial technical sectors, it is expected a breakthrough in exploration of the coal seam gas in the Liupanshui area.
指出针对薄弱技术环节进行改进，六盘水地区煤层气勘探可望取得突破。
The prediction for gas water breakthrough time, which usually ignores the impact of precipitation of condensate oil, results in significant difference between prediction and realistic results.
以往气井见水时间预测通常忽略了凝析油析出的影响，因此造成预测结果与实际结果有较大差异。
Prepositive polymer slug displacement can decrease the effect by the formation heterogeneity, prevent the gas breakthrough and improve the displacement sweep efficiency of the injective gas.
对于地层非均质性的影响，通过注入聚合物段塞调驱，能起到防止气窜，增加注入气驱扫效率。
It has proved that this novel system is of good effect for shallow gas zone in well-cementing and gas breakthrough has been effectively controlled.
现场初步试验证明，该套水泥浆体系对于浅层气固井具有较好的效果，有效地控制了气窜现象的发生。
In recent years this technology has been fully developed to be used in the desulfurization of coke oven gas, producing breakthrough results, and thereby providing...
近年来，又全力开发NHD技术在焦炉气脱硫中的应用，并取得了突破性的成果，为实现焦炉气制甲醇技术的工业化提供了有效的脱硫工艺。
Finally, the mechanism of enhanced foam system on the control gas breakthrough has being studied and discussed.
本文最后对强化泡沫体系控制气窜的机理进行了研究与探讨。
The paper gives the basic formulas and discusses on overcoming the restricting conditions in multi-solution method and the prediction method of water breakthrough time, well Zhong-63 in Xu-2 gas re...
文中给出基本公式，讨论克服多解性的约束条件以及见水时间预测方法，并以中坝须二气藏中63井为计算实例。
The paper gives the basic formulas and discusses on overcoming the restricting conditions in multi-solution method and the prediction method of water breakthrough time, well Zhong-63 in Xu-2 gas re...
文中给出基本公式，讨论克服多解性的约束条件以及见水时间预测方法，并以中坝须二气藏中63井为计算实例。
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