GEG - Geothermal Energy and Geofluids

Research Interests

My research interests include subsurface flow simulation, model calibration, optimization, flow diagnostics, data analytics, and physics-based data-driven methods.

Publications

GEG ownGroup by TypeGroup by YearOriginal Citation

Found 28 itemsFilters: Smart Matching

Refereed Journals

13 publications

2022

3 publications across 3 journals

A Physics-Based Proxy for Surface and Subsurface Coupled Simulation Models

Yang, C., He, J., Onishi, T., Du, S., Wang, Z., Guan, X., Chen, J., and Wen, X.-H.

2022Journal Article Peer-ReviewedSPE Journal 27, pp. 1962–1972

DOI: 10.2118/204004-pa

An Efficient Deep Learning-Based Workflow for CO2 Plume Imaging Considering Model Uncertainties Using Distributed Pressure and Temperature Measurements

Nagao, M., Yao, C., Onishi, T., Chen, H., Datta-Gupta, A., and Mishra, S.

2022Journal Article Peer-ReviewedSSRN Electronic Journal

DOI: 10.2139/ssrn.4280048

Streamline Tracing and Applications in Dual-Porosity Dual-Permeability Models

Onishi, T., Tanaka, S., Chen, H., Kam, D., Xie, J., Wang, Z., Wen, X.-H., and Datta-Gupta, A.

2022Journal Article Peer-ReviewedSPE Journal 27, pp. 1943–1961

DOI: 10.2118/203993-pa

2021

3 publications across 3 journals

Computing Pressure Front Propagation Using the Diffusive-Time-of-Flight in Structured and Unstructured Grid Systems via the Fast-Marching Method

Chen, H., Onishi, T., Park, J., and Datta-Gupta, A.

2021Journal Article Peer-ReviewedSPE Journal 26, pp. 1366–1386

DOI: 10.2118/201771-pa

Evaluation of Relationship Between Post-injection Plume Stability and Leakage Risks

Pawar, R. J., Chu, S., Makedonska, N., Onishi, T., and Harp, D. R.

2021Journal Article Peer-ReviewedSSRN Electronic Journal

DOI: 10.2139/ssrn.3820715

Parameterization of embedded discrete fracture models (EDFM) for efficient history matching of fractured reservoirs

Kim, H., Onishi, T., Chen, H., and Datta-Gupta, A.

2021Journal Article Peer-ReviewedJournal of Petroleum Science and Engineering 204, pp. 108681–108681

DOI: 10.1016/j.petrol.2021.108681

2020

2 publications across 2 journals

Assessment of relationship between post-injection plume migration and leakage risks at geologic CO2 storage sites

Pawar, R. J., Chu, S., Makedonska, N., Onishi, T., and Harp, D. R.

2020Journal Article Peer-ReviewedInternational Journal of Greenhouse Gas Control 101, pp. 103138–103138

DOI: 10.1016/j.ijggc.2020.103138

Streamline tracing and applications in embedded discrete fracture models

Chen, H., Onishi, T., Olalotiti-Lawal, F., and Datta-Gupta, A.

2020Journal Article Peer-ReviewedJournal of Petroleum Science and Engineering 188, pp. 106865–106865

DOI: 10.1016/j.petrol.2019.106865

2019

5 publications across 5 journals

Development of quantitative metrics of plume migration at geologic CO₂ storage sites

Harp, D. R., Onishi, T., Chu, S., Chen, B., and Pawar, R. J.

2019Journal Article Peer-ReviewedGreenhouse Gases: Science and Technology 9, pp. 687–702

DOI: 10.1002/ghg.1903

Modeling Hydraulically Fractured Shale Wells Using the Fast-Marching Method With Local Grid Refinements and an Embedded Discrete Fracture Model

Xue, X., Yang, C., Onishi, T., King, M. J., and Datta-Gupta, A.

2019Journal Article Peer-ReviewedSPE Journal 24, pp. 2590–2608

DOI: 10.2118/193822-pa

Optimizing CO2- and Field-Gas-Injection EOR in Unconventional Reservoirs Using the Fast-Marching Method

Iino, A., Onishi, T., and Datta-Gupta, A.

2019Journal Article Peer-ReviewedSPE Reservoir Evaluation & Engineering 23, pp. 261–281

DOI: 10.2118/190304-pa

Post-Combustion Carbon Dioxide Enhanced-Oil-Recovery Development in a Mature Oil Field: Model Calibration Using a Hierarchical Approach

Olalotiti-Lawal, F., Onishi, T., Kim, H., Datta-Gupta, A., Fujita, Y., and Hagiwara, K.

2019Journal Article Peer-ReviewedSPE Reservoir Evaluation & Engineering 22, pp. 998–1014

DOI: 10.2118/187116-pa

Potential CO2 and brine leakage through wellbore pathways for geologic CO2 sequestration using the National Risk Assessment Partnership tools: Application to the Big Sky Regional Partnership

Onishi, T., Nguyen, M. C., Carey, J. W., Will, B., Zaluski, W., Bowen, D. W., Devault, B. C., Duguid, A., Zhou, Q., Fairweather, S. H., Spangler, L. H., and Stauffer, P. H.

2019Journal Article Peer-ReviewedInternational Journal of Greenhouse Gas Control 81, pp. 44–65

DOI: 10.1016/j.ijggc.2018.12.002

Proceedings Refereed

10 publications

2023

2 publications

A Fast History Matching and Optimization Tool and its Application to a Full Field with More than 1,000 Wells

Ren, G., Wang, Z., Lin, Y., Onishi, T., Guan, X., and Wen, X.-H.

2023Presentation Peer-ReviewedSPE Reservoir Simulation Conference

DOI: 10.2118/212188-ms

Reservoir Connectivity Identification and Robust Production Forecasting Using Physics Informed Machine Learning

Nagao, M., Datta-Gupta, A., Onishi, T., and Sankaran, S.

2023Presentation Peer-ReviewedSPE Reservoir Simulation Conference

DOI: 10.2118/212201-ms

2022

1 publication

An Efficient Deep Learning-Based Workflow for CO2 Plume Imaging Using Distributed Pressure and Temperature Measurements

Nagao, M., Yao, C., Onishi, T., Chen, H., and Datta-Gupta, A.

2022Presentation Peer-ReviewedSPE Annual Technical Conference and Exhibition

DOI: 10.2118/210309-ms

2021

2 publications

An Efficient Deep Learning-Based Workflow Incorporating a Reduced Physics Model for Subsurface Imaging in Unconventional Reservoirs

Onishi, T., Chen, H., Datta-Gupta, A., and Mishra, S.

2021Presentation Peer-ReviewedSPE Annual Technical Conference and Exhibition

DOI: 10.2118/206065-ms

Robust CO2 Plume Imaging Using Joint Tomographic Inversion of Distributed Pressure and Temperature Measurements

Yao, C., Chen, H., Onishi, T., Datta-Gupta, A., Mawalkar, S., Mishra, S., and Pasumarti, A.

2021Presentation Peer-ReviewedSPE Annual Technical Conference and Exhibition

DOI: 10.2118/206249-ms

2020

2 publications

Application of Combined Streamline Based Reduced-Physics Surrogate and Response Surface Method for Field Development Optimization

Tanaka, S., Onishi, T., Kam, D., Dehghani, K., and Wen, X.-H.

2020Presentation Peer-ReviewedInternational Petroleum Technology Conference

DOI: 10.2523/iptc-19958-ms

Rapid Simulation Accounting for Well Interference in Unconventional Reservoirs using Fast Marching Method

Iino, A., Jung, H. Y., Onishi, T., and Datta-Gupta, A.

2020Presentation Peer-ReviewedProceedings of the 8th Unconventional Resources Technology Conference

DOI: 10.15530/urtec-2020-2468

2018

2 publications

Numerical Simulation of EOR from Wettability Alteration in Tight Oil Reservoir with Multiple Hydraulic Fractures

Jung, H. Y., Onishi, T., and Datta-Gupta, A.

2018Presentation Peer-ReviewedSPE Annual Technical Conference and Exhibition

DOI: 10.2118/191409-ms

Rapid Field-Scale Well Spacing Optimization in Tight and Shale Oil Reservoirs Using Fast Marching Method

Iino, A., Onishi, T., Olalotiti-Lawal, F., and Datta-Gupta, A.

2018Presentation Peer-ReviewedProceedings of the 6th Unconventional Resources Technology Conference

DOI: 10.15530/urtec-2018-2901376

2015

1 publication

Development of Two Geostatistical Programs: Program-1 for Estimating Categorical Variable Distribution by Multiple-Point Statistics; Program-2 for Optimizing Estimates by Program-1 Applying Genetic Algorithm

Aoi, E., Onishi, T., and Kurihara, M.

2015Presentation Peer-ReviewedTalk (Contributed) at SPWLA 21st Formation Evaluation Symposium of Japan

URL

Proceedings Non-Refereed

2 publications

2019

2 publications

Fast Marching Method Based Rapid Simulation Accounting for Gravity

Onishi, T., Iino, A., Jung, H. Y., and Datta-Gupta, A.

2019PresentationProceedings of the SPE/AAPG/SEG Asia Pacific Unconventional Resources Technology Conference

DOI: 10.15530/ap-urtec-2019-198249

Quantitative risk assessment of geologic CO2 storage using plume mobility metrics

Pawar, R. J., Chen, B., Chu, S., Onishi, T., Makedonska, N., and Harp, D. R.

2019PresentationTalk (Contributed) at AGU Fall Meeting

URL

Theses

2 publications

2021

1 publication across 1 thesis

Effective Reservoir Management for Unconventional Reservoirs Using the Fast Marching Method and Machine Learning

Onishi, T.

2021PhD Thesis Peer-ReviewedPhD Thesis, Texas A&M University

URL

2017

1 publication across 1 thesis

Effective Modeling Approaches for CO2 EOR Developments

Onishi, T.

2017Master's Thesis Peer-ReviewedMSc Thesis, Texas A&M University

URL

Other

1 publication

2020

1 publication

Imaging Pressure Front Propagation in Complex Fracture Networks Using the Fast Marching Method and Diffusive Time of Flight

Datta-Gupta, A., Chen, H., and Onishi, T.

2020Other

URL

Dr. Tsubasa Onishi

Scientific ID

Research Interests

Publications

Refereed Journals

2022

2021

2020

2019

Proceedings Refereed

2023

2022

2021

2020

2018

2015

Proceedings Non-Refereed

2019

Theses

2021

2017

Other

2020

Refereed Journals

2022

2021

2020

2019

Proceedings Refereed

2023

2022

2021

2020

2018

2015

Proceedings Non-Refereed

2019

Theses

2021

2017

Other

2020