全部文献期刊会议图书|学者科研项目
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作者:Guanhua Ni , Zhao Li , Hongchao Xie
来源:[J].Powder Technology(IF 2.024), 2018, Vol.323, pp.60-68
摘要:Abstract(#br)In order to study the mechanism and relief method of coal seam water blocking effect (WBE) to improve the efficiency of gas drainage, the causes and the influencing factors of the coal seam WBE are analyzed, and the critical micelle concentration (CMC), surface tensi...
作者:Guanhua Ni , Weimin Cheng , Baiquan Lin ...
来源:[J].Journal of Natural Gas Science and Engineering, 2016, Vol.31, pp.596-602
摘要:Abstract(#br)The phenomenon that gas permeability decreases because of the water retention is known as water blocking effect (WBE), especially in the later period of gas drainage, the WBE is more serious. In order to improve the coal seam gas drainage performance as required in ...
作者:Qian Liu , Yusen Guo , Fenghua An ...
来源:[J].International Journal of Mining Science and Technology, 2016, Vol.26 (4), pp.615-621
摘要:Abstract(#br)To research techniques for removing the water blocking effect caused by hydraulic applications in coal seams, the use of surfactants is proposed, based on the mechanics of the water blocking effect. Centrifugal experiments were used to validate the effects of using ...
作者:Yanhui Yang , Ling Lin , Mengxi Li ...
来源:[J].Applied Sciences, 2019, Vol.9 (16)
摘要:... The water blocking effect (WBE) is one of the physical effects that controls the production of CBM. To alleviation WBE, it is necessary to study its mechanisms at the molecular level. In this study, we used a combined first-principles calculation and molecular simulation appr...
作者:Weimin Cheng , Guanhua Ni , Quangui Li ...
来源:[J].Arabian Journal for Science and Engineering, 2017, Vol.42 (9), pp.3839-3847
摘要:In this paper, a series of experiments were conducted to reveal differences in pore connectivity between different ranks of coal, as well as their variations under the coupled effects of water and heat. The results demonstrated that the pore connectivity of coal undergoes three s...
作者:Qinghe Niu , Liwen Cao , Shuxun Sang ...
来源:[J].Journal of Natural Gas Science and Engineering, 2019, Vol.61, pp.215-225
摘要:... Injecting CO 2 into the wet coal causes a higher PALR than the dry coal, which can be owned to the synthesized influences of the CO 2 adsorption swelling, moisture-induced swelling and water blocking effect. The temperature first reduces the permeability of CO 2 bearing ...
作者:Ni Guanhua , Xie Hongchao , Li Shang ...
来源:[J].Advanced Powder Technology(IF 1.65), 2019, Vol.30 (5), pp.940-951
摘要:... In order to increase the acidification damage effect, in this paper, the effects of anion surfactant named Sodium Dodecyl Sulfate (SDS) on the pressure relief and enlarge permeability effect of compound solution acidified coal were studied from four aspects: mechanical charac...
作者:Dheiaa K. Alfarge , Mingzhen Wei , Baojun Bai
来源:[J].Fuel(IF 3.357), 2017, Vol.207, pp.226-239
摘要:Abstract(#br)Polymer solutions and gels are frequently used to control excessive water production in oil and gas wells by reducing the permeability to water flow to a greater extent than to oil or gas flow (Relative Permeability Modifiers, RPM, or disproportionate permeability re...
作者:Pufu Xiao , Zhengming Yang , Xuewu Wang ...
来源:[J].Journal of Petroleum Science and Engineering(IF 0.997), 2017, Vol.149, pp.765-771
摘要:Abstract(#br)This paper aims to study the effect of four kinds of CO 2 injection schemes, namely water–alternating-gas (CO 2 /water), immiscible flooding, miscible flooding, and cyclic CO 2 injection, in Daqing peripheral extra/ultra-low permeability reservoirs. Physical simu...
作者:Xianbo Su , Qian Wang , Haixiao Lin ...
来源:[J].Fuel(IF 3.357), 2018, Vol.233, pp.539-551
摘要:... Additionally, the stimulation effect is evaluated according to the calculation of the reservoir permeability and the drainage conditions. Results show that the low-damage fracturing fluid has good compatibility with the reservoirs, and can effectively prevent the reservoir to...

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