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| 1 | 基于多指标正交方案设计的二氧化碳利用及封存参数优化显示文摘针对大民屯凹陷JG-2块高凝油油藏长期水驱导致的开发矛盾突出,增产难度大等问题,评价高含水条件下注CO2的利用及封存效果.为寻找适合工区的最佳注气方式,结合室内实验及数值模拟技术,探讨了不同含水及不同续驱手段下的驱替效果,进而结合正交试验设计原理,将采出程度、CO2滞留率、换油率及地层压力作为综合指标,对水气交替驱续驱过程中的注气时间、注气周期、注气速度、段塞比及气油比等5个因素进行了主控评价及优化研究.结果表明,注CO2水气交替驱续驱适应区块开发条件,注气速度、注气时间及气油比是影响续驱进程的主要因素.获取最佳CO2利用及封存参数:注气年限20 a,注气周期8 mon,注气速度0.5×104m^3·d^-1,段塞比2:1,气油比1500m^3·m^-3. | 喻鹏 杨付林 Kegang Ling Oyinkepreye David Orodu 杨兴业 | 2020 | 数学的实践与认识2020，50，15： | 2 |
| 2 | A rigorouscomposite- inflow-performance relationship model formultilateral wells显示文摘 | GUO Boyun ZHOU Jinkui LING Kegang | 2007 | SPE J2007，23，2： | 1 |
| 3 | Determining the permeability of tight rock with gas transient fIow显示文摘 | Ling Kegang He Jun Pei peng | 2013 | Journal of Natural Gas Sci- ence and Engineering2013，15，： | 1 |
| 4 | Improved gas resource calculation using modified material balance for overpressure gas reservoirs显示文摘 | Kegang Ling Xingru Wu He Zhang Jun He | 2014 | Journal of Natural Gas Science and Engineering2014，，： | 1 |
| 5 | Experimental investigation of gaseous solvent huff-n-puff in the Middle Bakken Formation显示文摘The efficacy of gaseous solvents in enhancing oil recovery(EOR)in unconventional reservoirs and the influence of operational and design parameters are still debated among the oil recovery research community.This work investigated the recovery-enhancing capabilities of two potent gaseous solvents,CO_(2) and ethane,in tight core samples.Laboratory huff-n-puff(H-n-P)experiments were conducted under three miscibility conditions to investigate the influence of the key operating parameters and the dependency of their impact on the miscibility conditions and gas composition.The results show that oil recovery increased with increasing pressure from below(BM)to above(AM)miscibility pressure in a non-linear trend,irrespective of the gas composition.Furthermore,the influence of the soak period was noticeably dependent on the miscibility condition,specifically more remarkable under AM conditions and less apparent under BM conditions.Likewise,the effect of the production period was more pronounced at AM conditions for both gases.Finally,the impact of rock surface area-to-volume(SA/V)was only observed at BM,where both gases recovered more oil in the core samples with high SA/V.In general,ethane showed a higher efficacy for oil recovery than CO_(2);CO_(2) recovered 21%–70%of oil in small core samples,while ethane could recover 32%–88%.The highest recovery was achieved with ethane injected under AM conditions,with a prolonged soak time,a short production period and into a core sample with a high SA/V.We believe the findings from this work will help better understand and design H-n-P EOR projects. | Samuel Asante Afari Kegang Ling Demetrius Maxey Billel Sennaoui Jerjes Hurtado Porlles | 2023 | Petroleum Science2023，20，6： | 0 |
| 6 | Study the suitability of neem seed oil for formulation of eco-friendly oil based drilling fluid显示文摘The present work intended to develop an invert emulsion drilling mud from biodegradable neem seed oil as an alternative to conventional diesel-based drilling mud.This would present comparable properties and performances with API standard requirements,ecologically friendly and at a low cost.Biodiesel produced from non-edible neem oil was used as the continuous phase in an invert emulsion-based drilling mud.Different tests to investigate the applicability of the mud for drilling applications were conducted.The rheological and lubricity tests results indicate that the neem oil biodiesel-based drilling muds are comparable with conventional diesel-based drilling muds.The produced biodiesel shows a significantly better flash point of 168℃ than the traditional diesel flash point of 70℃;indicating better fire safety than the conventional diesel.The lubricity and rheological data indicate the formulated mud with neem seed oil biodiesel fair reasonably well with conventional diesel and within the API requirements.In general,the preliminary results show that neem oil biodiesel is a potential alternative to conventional organic oil in formulating oil-based drilling mud in terms of technical and environmental analysis. | Adesina Fadairo Gbadegesin Adeyemi Temitope Ogunkunle Kegang Ling Vamegh Rasouli Elijah Effiong James Ayoo | 2021 | Petroleum Research2021，6，3： | 0 |
| 7 | An improved model for severe slugging stability criteria in offshore pipeline-riser systems显示文摘Flow assurance has been a major challenge in petroleum production systems especially in offshore operations where severe slugging is a dominant aching issue.This is characterized by pulsating flow behavior which impacts the reservoir productivity,pipeline-riser systems,and surface facilities(separator).The only means so far,of delivering reservoir fluids from offshore wells to the separator at the surface is by pipeline-riser systems where slugging is most prominent and oftentimes unavoidable.Though passive and active measures have been deployed over time to mitigate the associated problem,there is the need to develop a predictive tool for mitigating offshore slugging in the riser system.This study involves the use of a model and analysis approach to eliminate severe slugging based on the balance of forces acting on the pipeline-riser system.Modified stability criteria which consider accumulation and frictional pressure drops have been developed.The current approach is solely physicsdriven,to predict the corresponding liquid and gas velocities at which the fluctuations would be severe when producing multiphase fluids through pipeline-riser systems.By balancing the forces acting on a riser-pipeline system and accounting for frictional and accumulation effects,two hydraulic flow modeling approaches have been used in this study to improve the criteria for predicting the condition of severe slugging.The developed criteria were computed using MATLAB/Simulink and a severe slugging flow map was generated.The“new study 1”and“new study 2”showed a 16%and 13%increase respectively in predicted unstable cases than the Malekzadeh criteria.The criteria were tested at different separator pressures.The Taitel and Jansen criteria could not predict severe slugging at elevated separator pressure.Notwithstanding,the developed flow maps using the“new study 1”are more reliable than the“new study 2”.This is because the“new study 2”approach over defines the physics of severe slugging.The criteria were also tested at varying accumulation times.This was done by step increments in the order of magnitude of time.The separator pressure affects the optimal time for modeling the accumulation at the riser-base.The criteria are therefore useful for predicting optimal operating conditions for flow assurance for the pipeline-riser system in consideration. | Adesina Fadairo Chinemerem Obi Kegang Ling Vamegh Rasouli Olumuyiwa Aboaba Olumide Gbadamosi | 2022 | Petroleum Research2022，7，3： | 0 |
| 8 | 基于贝叶斯推论的致密储层水力单元预测表征技术显示文摘针对小壕兔-大16井区储层结构复杂、有利区预测困难的问题,运用贝叶斯挖掘算法,利用计算机辅助模拟手段,构建研究区精细水力单元模型,探明储层砂体发育规律。研究结果表明,基于贝叶斯推论的表征技术能高效识别储层水力单元类型,为气藏描述提供准确的地质信息;指数函数递增法在测井曲线划段过程中表现更加出色,R t测井段间样点的聚簇规律归因于储层的高含水特性;3类水力单元具有较大的原始油气储量和潜力,亦是提高气藏采收率过程中亟待突破的对象。该研究成果对预测储层有利区具有重要参考价值。 | 喻鹏 杨付林 Kegang Ling Oyinkepreye David Orodu 杨兴业 | 2020 | 特种油气藏2020，27，6： | 0 |
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