Open source software for discrete fracture network engineering, two and three dimensional applications. Shalestight oil reservoir simulation modelling workflows. The past two decades have borne remarkable progress in our understanding of flow mechanisms and numerical simulation approaches of shale gas reservoir, with much larger number of publications in. Easy to use and couple with economics software forecasting production in shale gas reservoirs a better assessment of reserves. To be able to capture the complex nature of shale gas reservoirs, different storage and flow mechanisms must be taken into. Todays technology helps us reduce our environmental footprint, cut down the number of drilled wells, and lower costs. Gas desorption and diffusion processes with instant and timedependent sorption options exercise 3. The simulation results indicate that the scheme of oil shale comprehensive utilization has several advantages over oil shale retorting.
The inlet shale gas is fed into the absorption column, t100, at a flow rate of 171,200 kghr, at 6900 kpa psi and around 50c transform software and services. Modeling complexities of natural fracturing key in gas. Numerical simulation of shale gas multiscale seepage mechanism. Study of gas production from shale reservoirs with multistage. Unconventional reservoirs frequently have nano darcy. Shale gas and tight oil reservoir simulation 1st edition. Subsequently, the impacts of the kerogen system, transfer model, kerogen permeability, inorganic matrix permeability, fracture permeability and langmuir parameters on the shale gas reservoir performance were examined. Forecasting production in shale gas reservoirs a better. However, the gas generation rate reached the maximum value of around 75 mlg toc when the maturity of the yanchang shale ro was 1.
Shale is a growing prospect in this world with decreasing conventional sources of fossil fuel. Spe references csugspe 1pp shale gas modeling workflow. Ansys cfd for oil and gas and structural mechanics software for oil and gas production use advanced simulation and analytical solutions to aid in studying thermal profiles, structural integrity, slugging, and hydrate and wax formation. In this paper, an apparent permeability model which covers continue, slip, transition, and molecular flow and geomechanical effect was presented. Process design, simulation and integration of dimethyl ether dme production from shale gas by direct and indirect methods. Process design, simulation and integration of dimethyl. The simulation results indicate that the scheme of oil shale comprehensive utilization has several advantages over oil shale retorting or combustion merely, and about 0. Ansys cfd for oil and gas and structural mechanics software for oil and gas production use advanced simulation and analytical solutions. Fracman hydraulic fracture simulation answers key shale gas questions july 12, 2017 for ultralow permeability rocks like shale, production of gas or oil is all about the fractures both induced and naturally occurring.
For some time, it has been understood that the acoustic characteristics of rocks are complicated by stratification. Production simulation is an important method to evaluate the stimulation effect of refracturing. Therefore, a production simulation model based on coupled fluid flow and geomechanics in triple. The ability to use simulation to investigate the sensitivity of production to reservoir parameters is particularly important for reservoirs such as shale gas reservoirs where traditional core measurements. Secondly, the seepage mathematical model is solved by using finite difference, and the results are compared with commercial software. The compositional reservoir simulation model incorporates as much. Add powerful applications such as network simulation, forecasting, transportation management and gas quality tracking. This model mainly includes the movement of shale gas from tight. Planar fracture complex fracture networks creating fractures from microseismic data using builder this course will teach attendees how to effectively simulate an unconventional reservoir using gem and successfully apply uncertainty. They proposed an efficient reservoirsimulation approach by integrating the commercial simulator, economic model. Shale reservoir medium consists of organic matter kerogen, inorganic matter, natural fractures, and hydraulic fractures. Unconventional oil, gas and liquids rich reservoirs shale gas. Study of gas production from shale reservoirs with multi. The composition of the inlet shale is shown in table 1 of the appendix a american petroleum institute, 2011.
However, the gas generation rate reached the maximum value of around 75 mlg toc when the maturity of the yanchang. Perform sensitivity analyses and history matches for a tight reservoir using cmost. A fully three dimensional semianalytical model for shale gas. Adsorption effect of organic pore on shale gas is under the influence of many factors including pore shape, 0diameter, maturity of organic matter, category of organic matter and water saturation 21, however, the paper, based on basic research, builds cnt model to represent organic pore under the ideal condition for the first time. An opensource framework for generic numerical modeling of unconventional shale and tight gas reservoirs. Accurate simulation of shalegas reservoirs onepetro. We are an engineering consulting firm which delivers worldclass and advanced engineering simulation and cfd consulting services via our team of experienced and professional engineering simulation experts who works collaboratively with oil and gas clients and energy companies in singapore and other. Collaborate with schlumberger petrotechnical experts to employ a comprehensive seismictosimulation workflow for constructing and calibrating a 3d dualporosity reservoir model that integrates core, log, seismic, and production data to identify the key production drivers of matrix. Simulate coal bed methane, shale gas, shale oil, and naturally fractured reservoirs. Simulation provides the means to both model gas production and produced water. This toolset is specifically designed to improve efficiency for the fast pace of land development. Modelling of shale, tight oil and gas reservoirs training course for reservoir simulation engineers and other oil and gas professionals.
From microseismic to simulation a horn river case study o joint paper with cmg and nexen iptc14940 evaluation in data rich fayatteville shale gas plays integrating physicsbased reservoir simulations with data driven approaches for. Practical solution apply cmgs industryleading hydraulic fracture simulation workflow to model shale or tight oilgas reservoirs. George is a graduate of university of wyoming with a b. Fracman hydraulic fracture simulation answers key shale gas questions. Development of shale gas has transformed the energy outlook of us in the past decade. Run simulation models for primary and enhanced cbm recovery using petrel re exercise 2. Thus, it is apparent from the results of the hydrocarbon generation simulation experiments of shale that the gas generation capacity of the yanchang shale is greater than that of us barnett shale. Optional gas adsorption model can be added to simulate shale gas reservoirs. Yu and sepehrnoori 2014 have used cmg software to optimize shale gas production 6, 7. Gas is stored as free gas in natural fractures and matrix pore structure, and as. Development of a shale oil eor project begins with the development of an accurate compositional reservoir simulation model.
They proposed an efficient reservoirsimulation approach by integrating the commercial simulator, economic model, design of experiment, and responsesurface methodology with a global optimization search engine. Ansys cfd for oil and gas and structural mechanics software for oil and gas production use advanced simulation and analytical solutions to aid in studying thermal profiles, structural integrity, slugging, and. Indirect and direct process simulation of commercial dme plant was carried out by aspen plus. Numerical simulation on multistage fractured horizontal wells in. Use valuable and accurate information for continuous operations. The shale gas feedstock was taken from one of the wells in barnett shale play.
The ability to use simulation to investigate the sensitivity of production to reservoir parameters is particularly important for reservoirs such as shale gas reservoirs where traditional core measurements are difficult or impractical to perform. In recent years, with breakthroughs in exploration and development of shale gas, experts are increasingly involved in studying physical data of rock in shale strata vernik et al. Resfrac hydraulic fracturing and reservoir simulation. From microseismic to simulation a horn river case study ojoint paper with cmg and nexen iptc. This study basically focuses on numerical simulation of shale gas flow. Triplecontinuum modeling of shale gas reservoirs considering. Much research has been conducted on the propagation characteristics of ultrasonic. Presented is a practical and systematic approach to using surveillance data. Model entire lifecycle of unconventional reservoirs only hydraulic fracturing workflow that models single and multiple wells design, evaluate, and optimize field development planning quickly achieve accurate and reliable eur forecasts simulate and analyze. Eclipse simulation of naturally fractured reservoirs. In order to utilize numerical simulation as a tool in optimizing well design, one needs to develop a model that. Molecular simulation of shale gas adsorption in organic. Pdf improved numerical simulation for shale gas reservoirs.
Modeling complexities of natural fracturing key in gas shales. Shale gas and tight oil reservoir simulation delivers the latest research and applications used to better manage and interpret simulating production from shale gas and tight oil reservoirs. Flow mechanism and simulation approaches for shale gas. From microseismic to simulation a horn river case study o joint paper with cmg and nexen iptc14940 evaluation in data rich fayatteville shale gas plays integrating physicsbased reservoir simulations with data driven approaches for uncertainty reduction. Request more info unconventional reservoirs frequently have nanodarcy permeabilities, complex fracture networks from natural or induced fractures, and adsorbed gas in organic materials in the rock matrix. Figuring out the flow mechanism is of great significance for. Use of process simulation for gas compression, cryogenics, gas liquefaction, gas. Request more info unconventional reservoirs frequently have nanodarcy permeabilities, complex fracture networks from. Next, a finite element simulation software, comsol multiphysics, was used to solve the mathematical model. Oil and natural gas research the portfolio is advancing technologies to improve hydrocarbon recovery efficiency, reduce the operational risks of production, improve the performance of our nations pipeline infrastructure, and characterize resources in emerging basins and plays. From microseismic to simulation a horn river case study.
Numerical simulation of the environmental impact of. Simulation in oil and gas industry is at the heart of what we do at broadtech engineering. Simulation is a powerful tool for well and refinery optimization, pipeline network design, storage management, and many other challenges in the oil and gas industries. Resfrac software is the only commercial threedimensional, fully compositional simulator to seamlessly couple hydraulic fracturing, wellbore, geomechanical, and reservoir simulation.
Collaborate with schlumberger petrotechnical experts to employ a comprehensive seismicto. Model entire lifecycle of unconventional reservoirs only hydraulic fracturing. Simulation system model building and structural optimization. Natural fracturing is critical to enhancing stimulation treatment design and optimizing well performance. Fracman hydraulic fracture simulation answers key shale gas. Unconventional reservoirs frequently have nanodarcy. A dual porosity dual permeability shale gas reservoir simulation model was constructed to simulate gas production from shale reservoirs with multistage hydraulic fracturing horizontal well with considering multiple flow mechanisms, including. Starting with basic fundamentals, the book then includes real field data that will not only generate reliable reserve estimation, but also predict the. The compositional reservoir simulation model incorporates as much geological, geophysical, petrophysical, reservoir fluids and well completion and production data as possible, in order to develop an accurate mathematical representation of the reservoir and wells.
Numerical simulation of ultrasonic wave transmission. Shale gas reservoirs sgrs are organicrich formations, which serve as both reservoir and source rock together. Modelling of shale, tight oil and gas reservoirs computer. Credible forecasting and reliable risk management demand simulation software. Learn how to apply gems advanced functionality to model shale andor tight oil and gas. Shale ior llc is now a fullservice provider for ior in the unconventional arena. Unconventional reservoirs frequently have nanodarcy permeabilities, complex fracture networks from natural or induced fractures, and adsorbed gas in organic materials in the rock matrix. Fracman hydraulic fracture simulation answers key shale. The dual media model is widely used in various commercial software.
Numerical simulation of shale gas multiscale seepage. Adsorption effect of organic pore on shale gas is under the influence of many factors including pore shape, 0diameter, maturity of organic matter. Two challenges exist for modeling gas transport in shale. Modeling and simulation of gas flow behavior in shale. Process design, simulation and integration of dimethyl ether. Resfracs unique modeling capability and expertise provide industryleading insight into the development of shale resources. The thermal simulation experiments on hydrocarbon generation of the barnett shale samples toc 4. Gem is the worlds leading reservoir simulation software for compositional, chemical and unconventional reservoir modelling. With the growth in demand for natural gas, there is impending need for the development of the. Reservoir modeling in shalegas reservoirs the exploitation of unconventional. This pap er distinguishes gas flo w in shale gas b y flowing media.
Maximize performance in a major gas shale play with widely variable reservoir quality. We are using advanced technology developed and refined over 60 years to safely unlock resources of natural gas trapped tightly inside dense rock in extremely fine pores. Figuring out the flow mechanism is of great significance for the efficient development of shale gas. Safe, efficient, and profitable development of shale natural gas resources depends on achieving a clear understanding of the role of natural fractures in shale gas production. Integrated seismictosimulation workflow identifies highest. Reservoir modeling in shalegas reservoirs computer modelling. For ultralow permeability rocks like shale, production of gas or oil is all about the fractures both induced and.
This semianalytical model is verified with a commercial software and an. Forecasting production in shale gas reservoirs a better assessment of reserves occidental petroleum corporation gcs reservoir study group anadarko petroleum convention center 10th may krunal joshi, reservoir engineer forecasting production in shale gas reservoirs a better assessment of reserves. To be able to capture the complex nature of shale gas reservoirs, different storage and flow mechanisms must be taken into consideration. D ue to the differe nces of p ore sizes of those two media, gas flo w mechanisms are different. Software packages cover a wide range of possibilities and may provide support in finding solutions in the exploitation, evaluation, field development planning, production of unconventional assets. The petrel shale suite module is designed for companies working onshore planning and drilling horizontal wells. This paper discusses a workflow used in developing a numerical shale gas model for nexens horn river shale gas reservoir. Therefore, a production simulation model based on coupled fluid flow and geomechanics in triple continuum including kerogen, an inorganic matrix, and a fracture network is proposed considering the multiscale flow characteristics of shale gas, the induced stress of fracture opening, and the pore.
We are an engineering consulting firm which delivers worldclass and advanced engineering simulation and cfd. Shale gas has experienced considerable growth in some countries, including. From microseismic to simulation a horn river case study o joint paper with cmg and nexen iptc14940 evaluation in. Add powerful applications such as network simulation. Therefore, the biggest limitation of dual media model in shale gas simulation is the. Although every shale formation is somewhat different, there can be significant variations in. Coupling numerical simulation and machine learning to model shale gas production at different time resolutions. Export a simulation case with multiple porosity for shale gas.
In contrast, tight and shale gas does not flow easily and resources are often spread over a much larger area, making it harder to access. Coupling numerical simulation and machine learning to model. The complexity of the gas transport mechanism in microfractures and nanopores is caused by the feature of multiscale and multiphysics. Subsequently, the impacts of the kerogen system, transfer model, kerogen permeability. Identify and model different hydraulic fracture methods, including. Coupling numerical simulation and machine learning to. Nov 11, 2014 spe references csugspe 1pp shale gas modeling workflow. Thermal simulation an overview sciencedirect topics.
1432 1110 1164 317 352 1109 303 610 226 832 455 844 1457 762 979 20 1086 129 1114 1156 1338 1362 690 856 1426 648 446 1496 99 1101 929 1413 356 162 65 537 531 1017 1301