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artificial intelligence:New age of transformation in petroleum upstream

Petroleum Research 2022年第1期7卷 106-114页

作者： Parth Solanki Dhruv Baldaniya Dhruvikkumar Jogani Bhavesh Chaudhary Manan Shah Ameya Kshirsagar School of Petroleum Technology Pandit Deendayal Petroleum UniversityGandhinagar382007GujaratIndia Department of Chemical Engineering School of TechnologyPandit Deendayal Petroleum UniversityGandhinagar382007GujaratIndia Department of Information Technology Symbiosis Institute of TechnologyPuneMaharashtraIndia

In the Oil and Gas industry,the implementation of artificial intelligence techniques gives advantages of better use of existing *** provides better future outcomes,which makes it an essential technology in the operations of the *** this paper,the implementation of artificial intelligence techniques for good planning,determination of reservoir rock properties,drilling optimization and production facilities are *** precise knowledge of permeability and porosity,reservoir engineers can develop robust reservoir development plan and manage hydrocarbon recovery *** porosity prediction,wire-line log data and seismic attributes are used in artificial intelligence-based *** prediction has been discussed by considering the different types of well-log data in the modeling of artificial intelligence techniques to predict single-phase *** of specific developed problems during the determination of permeability in the actual experiment is also *** intelligence techniques are used in the design and accurate analysis of the drilling *** assists in the selection of drill bit and drilling-related *** a reservoir cannot produce naturally,we can select a suitable artificial lift and design the production system using artificial intelligence *** EOR methods,SADA and NAVA knowledge base systems are *** intelligence can help in optimizing production,improve production efficiency and recovery of hydrocarbons.

关键词： artificial neural network Enhanced oil recovery Fuzzy logic system artificial lift Permeability Porosity

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Influence of wellhead pressure and water cut in the optimization of oil production from gas lifted wells

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Petroleum Research 2022年第2期7卷 253-262页

作者： S.Hari Shanker Krishna Manav Patel Pooja Bhatia Rakesh Kumar Vij Drilling Cementing&Stimulation(DCS)Research CentrePandit Deendayal Energy UniversityKnowledge CorridorRaysanGandhinagarGujarat382426India School of Petroleum Technology Pandit Deendayal Energy UniversityKnowledge CorridorRaysanGandhinagarGujarat382426India

The worldwide increase in energy demand necessitates the development and optimization of marginal oil fields for *** this regard,effective and economic production of fluids are heavily relied upon the artificial lift techniques as the reservoir's natural energy may not be able to deliver the fluids to the *** lift is a widely practised and successful method that is suitable for rejuvenating the oil production from such *** this study,the influence of critical parameters like water cut,wellhead pressure(WHP)and gas-lift gas injection rate on the output from a gas lifted well was analysed.A significant reduction in the oil production was observed with the increase in water *** a fixed gas injection rate of 1 Mmscf/day,the production decreased by 26.90%when the water cut increased from 15%to 30%and further by 50.80%when the water cut reached 45%.An increase in the gas injection rate from 1 Mmscf/day to 8 Mmscf/day resulted in an increase in the production rate by 29.21%,40.48%and 56.56%for 15%,30%,and 45%water cut conditions,*** was observed that there is a drop in the oil rate with the increase in WHP for a constant gas injection *** increase in the WHP from 100 psi to 300 psi resulted in a drop in the oil production rate by 11.01%,11.78%and 12.74%for 15%,30%and 45%water cut conditions,*** study sheds light on the significance of optimizing the critical parameters to maximize the production from a well,with severely affected productivity,using a continuous gas lift system.

关键词： artificial lift Continuous gas lift Productivity Water cut Wellhead pressure

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Optimization of gas lift system for well performance improvement in Asmari formation:A techno-economic perspective

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Petroleum Research 2024年第1期9卷 115-124页

作者： Hari Sreenivasan Jash Patel Dev Jain Setu Patel Isaac Wilson Shanker Krishna Drilling Cementing&Stimulation(DCS)Research CentreDepartment of Petroleum EngineeringSchool of Energy Technology(SoET)Pandit Deendayal Energy University(PDEU)Knowledge CorridorRaysanGandhinagarGujarat382426India

Well productivity in the Asmari carbonate formation of southwest Iran has decreased in recent years as a result of production *** production rate must be maintained below 1500 STB/day to prevent water *** this study,a gas lift well is modeled using data from one of the producing wells of this *** analysis is performed using lift-gas injection rates and wellhead pressures at different reservoir pressures and water cut conditions to optimize *** aspects are considered to optimize the artificial gas injection rates at different tubing head pressures and water cut *** the lift-gas injection rate from 0.4 MMscf/day to 1 MMscf/day enhances the oil production rate by 37.71%and 43.89%for 10%and 30%water cut conditions,*** injection rates of 5.2 MMscf/day and 5.4 MMscf/day are determined to be economically optimal for 30%water cut with tubing head pressures of 260 psig and 270 psig,respectively.

关键词： Production enhancement artificial lift Gas lift Asmari carbonate formation Techno-economic analysis Well productivity

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Computational fluid dynamic(CFD)modelling of transient flow in the intermittent gas lift

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Petroleum Research 2020年第2期5卷 144-153页

作者： Nagham Amer Sami Zoltan Turzo Petroleum and Natural Gas Institute Faculty of Earth Science and EngineeringUniversity of Miskolc3515MiskolcHungary Department of Petroleum Engineering College of EngineeringUniversity of BaghdadAljadrea10071BaghdadIraq

A computational fluid dynamics model(CFD)is developed for intermittent gas lift *** simulation is conducted for a test section of 18 m vertical tube with 0.076 m in diameter using air as injection gas and oil as a formation *** results obtained from the CFD model are validated with the experiment results from the *** current study shows that computational modeling is a proven simulation program for predicting intermittent gas lift characteristics and the transient flow parameters that are changing with time and position in the coordinate *** model can predict the slug velocity behavior for different injection *** slug velocity profile shows three regions;the first region is the rapid acceleration at the initial time of injection,the second region shows the nearly constant velocity until the slug reaches the surface and the third region is again the rapid acceleration when the liquid starts to ***,the results obtained from this model show that as the gas injection pressure increases,the liquid slug velocity increase,and the region of the constant velocity *** effect of the injection time on the liquid production rate has been studied for two different gas injection pressures of 40 psig and 50 *** developed model shows that more than 50%of the liquid production is coming from after flow period.

关键词： Intermittent gas lift Slug velocity Transient flow CFD artificial lift

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