gas displacement

In order to improve its development effect, 2 areas with low curved or high curved river type thick layer have been selected to be tested with immiscible natural gas displacement.

为了改善开发效果，选择低、高弯度河型厚油层两个试验区进行了注天然气非混相驱先导性矿场试验。

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Modified method for calculating the reserve of reservoir with gas cap using displacement characteristic curves

改进的水驱特征曲线计算地质储量方法

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The key to reconstruction lies in the following technologies, such as ash cleaning, switching on-line, the bag protection, flue gas displacement, operation reliability, maintenance economy, dust emission concentration, air leakage rate, filtering bag performance and service life etc.

改造中主要把握了清灰技术、在线切换检修技术、滤袋保护技术、烟气置换技术、设备运行可靠性、运行检修经济性、粉尘排放质量浓度、系统漏风率、滤袋性能及使用寿命等关键部分。

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A miscible gas displacement of the oil is advantageous, because valuable heavy components will at the end be contained in a phase with a fairly high mobility.

混相驱油有许多优点，许多有价值的重组分将最终呈现具有高运移性的相态。

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Study on Gas Displacement Technique for the Commissioning of Gas Transmission Pipeline

长距离天然气管道投产置换技术研究

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Gas injection immiscible displacement has been selected to improve recovery efficiency in Wenwu block of Tuba oilfield.

温五区块是吐哈油田利用注气非混相驱提高采收率的试验区块。

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To improve the recovery efficiency and result of production, based on the experience of successful foam displacement in the limestone fracture reservoirs in Baise Oilfield, a pilot test is conducted with foam assisted miscible gas displacement.

为提高区块采收率和开发效果，借鉴百色油田灰岩裂缝性油藏空气泡沫驱的成功经验，开展了泡沫辅助混气水驱先导性试验。

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Aiming at this issue, CO2 was injected into a certain oilfield to carry on water alternating gas displacement by adopting Eclipse software to accomplish correlation study through numerical simulation on six different sets of developing adjustment schemes.

针对这一问题，应用Eclipse软件对某油田注入CO2进行水气交替驱等6套开发调整方案进行了数值模拟对比研究。

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The long core flooding of water alternate gas displacement experimentation on Ma 36 is mainly used to compare and determine the displacement effect between the pattern of water injection and gas injection.

马36井区长岩心气（氮）水交替非混相驱替试验主要用于对比和确定注水、注气（氮）交替驱替方式下的驱油效率和驱油效果。

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This case of study also shows water alternating gas displacement in horizontal wells is the best way for both storing CO2 in geological way and enhancing recovery factor of oil and gas fields.

研究结果还表明，水平井水气交替驱是地质储存CO2、提高石油采收率的最优方法，该方法累计产油量最大，储集的CO2也最多。

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The Numerical Simulation Research of the Water Alternate Nitrogen Gas Foam Displacement

氮气泡沫、水交替驱采油数值模拟研究

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Programs Comparison on Gas Displacement for Commissioning of Anping-Ji'nan Gas Pipeline

安济天然气长输管道置换投产方案的比选

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Pilot Study on Foam Assisted Miscible Gas Displacement in Block Lun 16

仑16块泡沫辅助混气水驱先导性试验研究

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Experiment research of water alternating gas immiscible displacement EOR technology in fractured low permeability reservoir

低渗透裂缝性油藏水气交注非混相驱提高采收率研究

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This paper introduces the development, the merits and defects of gas displacement, and the emission of flue gas in China.

介绍了气体驱替的发展历程及各种气体驱替的优缺点，重点介绍了烟道气驱的发展概况以及我国烟道气排放情况。

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By comparing the two kinds of gas displacement technology, namely one with single cup pig and one without cup pig, a conclusion is drawn that the latter is a more ideal one at present.

通过对采用单隔离器和无隔离器的两种天然气置换工艺进行分析比较，得出了无隔离器的氮气隔离置换工艺是目前比较理想的天然气置换工艺。

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For the porous media will affect the phase behavior and miscibility and mechanisms during gas displacement, the suggestion were made that further experimental and theoretical researches should be done on gas injection in fractured reservoirs regarding the effects of porous media.

多孔介质将影响流体相态、油气混相性及气驱油机理，建议加强考虑双重介质特性的注气驱相关室内实验研究和混相理论研究。

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The theoretical study on water's driving gas displacement as for double medium of coal petrography

煤岩双重介质注水驱气渗流的理论研究

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It is shown that certain injection pressure is necessary for gas miscible displacement of oil to be carried on.

注气压力是形成油气混相驱替的必要条件；

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Risk and countermeasures of gas injection displacement technology in Suizhong 36-1 oil field

绥中36-1油田气驱替技术的风险与对策

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The intensive study on the characteristics of two phase flow and gas water displacement, the effects of gas storage capacity for various structure of aquifer gas storages by the advance reservoir simulation software from foreign software company.

通过采用国外成熟的商业化数值模拟软件，对不同构造特点的含水层在建库过程中的气驱多相渗流特征、气水前缘运动规律和对库容的影响进行了研究；

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Improvement of "the Measurement of the Molar Gas Constant R by Displacement method"

置换法测定摩尔气体常数R的教改研究

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At the same time, more cross-hole information would be obtained, which will provide the solid foundation for gas injection displacement in Wenwu block.

通过应用获得了更多的井间信息，也为该项技术的扩展应用提供了借鉴。

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The article introduces choices of direct purge on gas transmission system displacement method, determination of purge criteria, its technological process and control, then its reliability.

介绍城市煤气输配系统置换方式的选择、置换参数的确定、置换工艺流程及指标的控制，说明直接置换方式的可靠性。

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Based on the equipment, two experimental methods of competition adsorption on multicomponent gas mixture and displacement adsorption for gases displacing methane in coal has been established.

建立了煤对混合气体的竞争吸附和置换吸附实验方法。

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Optimal Design Scenario for Overall Pigging Drying and Gas Displacement of Gas Transmission Pipeline Project

济齐天然气管道通球干燥与置换投产过程分析

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In our country, tracer technology has widely used in the water displacement reservoirs, but it was hardly used in the gas displacement reservoirs. The gas tracer technology for testing and interpretation is only in the initial stages.

在我国示踪剂测试解释技术仅仅用于水驱油藏，而气驱油藏的示踪剂测试解释技术才刚刚起步。

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There is initial start pressure difference whatever for water flooding or water/ gas alternating displacement. So, increasing injection pressure should be done to start gas injection.

不论是水驱还是水气交替，都存在初始启动压差，要考虑增大注入压力以启动注气工程。

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Meanwhile, the EOS application should have a widespread prospect in near-critical hydrocarbon development and injection gas displacement development.

同时它的发展在近临界油、气藏开发工程、注气驱油藏开发工程中具有广泛的应用前景。

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On Gas Displacement Technology of Nitrogen Isolation Method for Long-distance Transmission Pipeline

天然气长输管道氮气隔离法投产置换工艺研究

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