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STUDY ON TRANSPORTATION NUMERICAL SIMULATION OF COALBED METHANE RESERVOIR

Journal of Hydrodynamics 2003年第6期15卷 63-67页

作者： RenDong-mei ZhangLie-hui ZhuShui-qiao GraduateSchool SouthwestPetroleumInstituteChengdu610500China schoolofpetroleumengineering SouthwestPetroleumInstituteChengdu610500China

Coalbed methane is an unconventional gas resource and its special storage andmigration laws need a series of evaluations and predictions. By analyzing the flowingcharacteristics of coalbed methane reservoir and using the known results for the dynamic predictionof natural gas reservoir, a three-dimensional mathematical model for the two-phase flow in coalbedmethane reservoir was established. In this model the Langmuir isothermal adsorption law, the firstFick law and the second Fick law were applied to consider the absorption and diffusion of coalbedmethane. The governing equations were discrctized in a finite-difference form, and a full-implicitsimulator (CBM- GW3D) for three-dimensional two-phase flow was developed. The field data of coalbedmethane wells located at Liupanshui, Guizhou was used to verify the reliability of this model. Thispaper also presented the result of the sensitivity analysis for some factors. And this result provedthe reliability and validity of this model.

关键词： coalbed methane reservoir numerical simulation mathematical model

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Research of emulsifying capacity of functional polymers under high salinity and high temperature

Research of emulsifying capacity of functional polymers unde...

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中国化学会第十六届胶体与界面化学会议

作者： Bauyrzhan Sarsenbekuly Hongbin Yang Zhu Zhou Zeeshan A Lashari Wanli Kang schoolofpetroleumengineering ChinaUniversityofPetroleum(EastChina)

For polymeric emulsifiers,there are no mounted criteria for the effect of concentration change on emulsion *** a criterion,the overlapping concentration(C~*),may act for the preparation o

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Performance of Fiber Cement Slurry in the Oil and Gas Well Cementation

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Petroleum Science 2005年第2期2卷 88-91页

作者： BuYuhuan WangRuihe ChengRongchao LiYuhai schoolofpetroleumengineering ChinaUniversityofPetroleumDongying257061China CementationCo.ofHuangheDrillingCompanyLimted ShengliOilfieldDongying257000China

Based on a carbon fiber cement slurry system developed in the previous work, the relationship between the carbon fiber and the performance of the cement slurry was experimentally investigated. Results show that the use of fiber has no effect on the slurry rheological mode, but influences its rheological behavior. When the fiber proportion ranges from 0.12% to 0.19% and the fiber length from 400 to 1,400 μm, the slurry rheological behavior can be improved. Under the normal pressure, the use of fiber can shorten the thickening time of the cement slurry. When the proportion of the constant-length fiber increases, the water loss of the cement slurry decreases first and then increases, and when the fiber length increases (the fiber proportion being kept constant), the water loss shows the same trend. This indicates that there are optimal values for the fiber length and proportion, which vary under the experimental conditions in the following respective ranges: 0.12%-0.37% and 700-1,400 μm .

关键词： Cement slurry carbon fiber rheological behavior thickening time water loss

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