Profile

• Apr 2014 - Mar 2018: Waseda University, Department of Resources and Environmental Engineering, B.E.
• Apr 2018 - Mar 2020: Waseda University, Department of Earth Sciences, Resources and Environmental Engineering, M.E.
• Apr 2020 - Aug 2024: INPEX Corporation, Reservoir Engineer
• Sep 2024 - present : Texas A&M University, Department of Petroleum Engineering, Ph.D. Student

The link to my LinkedIn account: LINK

Study Notes

• Mathematics for the Curious Mind
  • Cauchy-Riemann Equations
  • Cauchy's Integral Theorem
  • Cauchy's Integral Formula
  • Inverse Fourier Transform Calculation Example using Cauchy's Integral Formula
  • Laplace Transform of the Convolution Integral
  • Divergence and Curl
  • Understanding Volume in n Dimensions Using Determinant
  • Understanding Change of Variables in Integration: Why the Jacobian Determinant Appears
  • Gaussian Integral
• Programming
  • Automatic Differentiation: N-th Order Derivetive Using a Metaprogramming Technique (C++)
• Reservoir Engineering
  • An Elegant Method for Incorporating the Wellbore Storage Effect in the Laplace Domain
• Others
  • Somewhere on Earth, Antipodal Points Must Share a Temperature
  • What Happens If We Try to Add Another Imaginary Unit?
  • Why Radians?
  • Do We Have to Worry About Units in Petroleum Engineering Equations?

Publications

1. Masaru Sawata Shuichi Okuda, Shigeki Iwata and Masanori Kurihara, “Development of Program Coupling Flow Simulator and Analytical Solution for Simple One-dimensional Rock Deformation,” CSMH-9 (2017).
2. Masaru Sawata, Shigeki Iwata, Norio Tenma and Masanori Kurihara, “Development of Program Coupling Flow Simulator with Geomechanics Simulator Using Adaptive Mesh Refinement Model and Analytical Solution for Simple One-Dimensional Rock Deformation,” SPWLA 24th Formation Evaluation Symposium of Japan (2018).
3. Shigeki Iwata, Masaru Sawata, Ryo Nagasawa, Masanori Kurihara, Norio Tenma, Koya Akamine and Akira Takiguchi “Research on coupling simulator predicting methane hydrate dissociation and production performances with geo-mechanical simulator in short computational time,” Journal of the Japanese Association for Petroleum Technology (2019).
4. Takafumi Kawanami, Shigeki Iwata, Masaru Sawata, Masanori Kurihara, Norio Temma, Koya Akamine, and Akira Takiguchi. “Examination on Practical Coupling Methods of Flow Simulator and Geomechanical Simulator for Predicting Methane Hydrate Dissociation and Production Behavior,” SPWLA 26th Formation Evaluation Symposium of Japan (2021).
5. Masaaki Tange, Takeshi Hiraiwa, Khuloud Tareq Khlaifi, Risa Sakurai, Sami, Bahri, Abdalla Abdelfattah Abed, Hiroshi Uematsu, Ken Makishima, Yuto Inokuma, Masaru Sawata, Sultan Hamdan Alkaabi, and Hideharu Yonebayashi, “Managing Adequate Gas EOR for Unstable Asphaltene Stability Field? Asphaltene Flow Assurance Pre-Risk Assessment Case Study for CO2, Enriched Gas, and Lean Gas Options,” Middle East Oil, Gas and Geosciences Show (2023).
6. Masaaki Tange, Takeshi Hiraiwa, Khuloud Tareq Khlaifi, Risa Sakurai, Sami Bahri, Abdalla Abdelfattah Abed, Hiroshi Uematsu, Ken Makishima, Yuto Inokuma, Masaru Sawata, Sultan Hamdan Alkaabi, and Hideharu Yonebayashi, “Asphaltene Flow Assurance Pre-Risk Evaluation Case Study to Establish Guidelines for CCUS in Arabian Gulf Carbonate Oil Field,” the SPE Reservoir Characterisation and Simulation Conference and Exhibition (2023).
7. Hideharu Yonebayashi, Takeshi Hiraiwa, Khuloud Tareq Khlaifi, Risa Sakurai, Yuto Inokuma, Sami Bahri, Abdalla Abdelfattah Abed, Yuto Inokuma, Ken Makishima, Masaaki Tange, Masaru Sawata, and Sultan Hamdan Alkaabi, “Managing Stealth Asphaltene Flow Assurance Potential Risk in Gas Injection Field Based on Data Science Using Over 20 years Accumulated Dataset,” ADIPEC (2023).
8. Takeshi Hiraiwa, Masaaki Tange, Khuloud Tareq Khlaifi, Risa Sakurai, Sami Bahri, Abdalla Abdelfattah Abed, Yuto Inokuma, Masaru Sawata, Mohammad Fattahi Mehraban, Robert Stalker, and Gordon Graham, Sultan Hamdan Alkaabi, and Hideharu Yonebayashi. "Holistic and Mechanism-Focused Evaluation of Low Salinity Waterflood in Carbonate Reservoirs? Fluid-Fluid Interaction Screening and Core Floods." Paper presented at the ADIPEC (2023).
9. Masaaki Tange, Takeshi Hiraiwa, Khuloud Tareq Khlaifi, Risa Sakurai, Sami Bahri, Abdalla Abdelfattah Abed, Hiroshi Uematsu, Ken Makishima, Yuto Inokuma, Masaru Sawata, Sultan Hamdan Alkaabi, and Hideharu Yonebayashi, “Asphaltene Flow Assurance Risk Evaluation Case Study to Establish Guidelines for CCUS in Arabian Gulf Carbonate Oil Field,” SPE Journal (2023).
10. Hideharu Yonebayashi, Takeshi Hiraiwa, Masaaki Tange, Masaru Sawata, Khuloud Tareq Khlaifi, Risa Sakurai, Sami Bahri, Yuto Inokuma, Sultan Hamdan Alkaabi, Mohammad Fattahi Mehraban, Robert Stalker, and Gordon Graham, "Engineered Low Salinity Waterflood In Carbonate Reservoirs―Boosting Fluid-fluid Interaction And Oil Recovery By Cost Effective Additives," IPTC (2024).
11. Hideharu Yonebayashi, Takeshi Hiraiwa, Masaaki Tange, Masaru Sawata, “A State-of-the-Art Low Salinity Water EOR in Carbonate Reservoir? Boosting Oil Recovery by Exploring Additives,” SPE Conference at Oman Petroleum & Energy Show (2024).
12. Masaru Sawata, Masaaki Tange, Takeshi Hiraiwa, Ryuichi Kanamori, Abdalla Abdelfattah Abed, and Hideharu Yonebayashi, “Numerical Interpretation Of Core Flood Experiments For Low Salinity Water With And Without A Boosting Agent Using Ensemble Smoother With Multiple Data Assimilation,” the 2024 SPE Improved Oil Recovery Conference (2024).

Presentations

1. “Development of Program Coupling Flow Simulator and Analytical Solution for Simple One-dimensional Rock Deformation,” Comprehensive Symposium on Methane Hydrate 9 (2017).
2. “Development of Program Coupling Flow Simulator with Geomechanics Simulator Using Adaptive Mesh Refinement Model and Analytical Solution for Simple One-Dimensional Rock Deformation,” Japanese Association for Petroleum Technology (2018).
3. “Development of Program Coupling Flow Simulator with Geomechanics Simulator Using Adaptive Mesh Refinement Model and Analytical Solution for Simple One-Dimensional Rock Deformation,” SPWLA 24th Formation Evaluation Symposium of Japan (2018).
4. “Numerical Interpretation Of Core Flood Experiments For Low Salinity Water With And Without A Boosting Agent Using Ensemble Smoother With Multiple Data Assimilation,” the 2024 SPE Improved Oil Recovery Conference (2024).