W. Sebastian Bayer Prince

Founding Director and CIO

Greater Houston

About

INNOVATION & ENERGY INVESTOR -All Energies Transformation. -Discipline & complementary role Integration. -MAXX. RECOVERY FACTOR (power-oil-gas-$) PETREL Reservoir Modeling. Volume Based Modeling (VBM) SLB: AI & ML. Development, Appraisal, and Play-entry (Static to flow—modeling for geomechanics). - 3D Modeling, Testing pre-drilling. Reservoir definition based on Team-understanding. - Detailed grid design. Uniform cell elements for resource & reserve evaluations, field performance forecasting (flow-simulation), and geomechanical- models. - Optimal well placement: Dynamic behavior and 3D properties - Integrated discipline approach (PRESSURE | Petrophysical | Mechanical) - Model Based Drilling & Completions Believer in iteration tests in the simulator to improve understanding of fluid-flow behavior for rapid implementation of learnings in the Reservoir. Unconv. Shale | Conv. Plays |Geothermal: (2006 to Present) -Permian Multi-unit Mega-play (DB CBP MB) -Eagle Ford/Austin Chalk -Haynesville/Bossier -Bakken/Three Fork -Fayetteville/Moorefield -Gabon (2021 - 2024). -Gulf of Mexico (GOA/GOM), Perdido Fold Belt. USA (2003, 2016, 2018 - 2021) and MEXICO (2017). -Equatorial Guinea (2006 - 2010). -San Joaquin Basin, Midway Sunset (2005). Key Selected Publications: 1. AAPG ACE Article #90350 (Recovery Factor) Dada & Bayer, et. al., 2019 2. PETROPHYSICS, VOL. 57, NO. 6, (Inputs for deterministic modeling) Xu & Bayer, et. al., 2016 3. URTeC-2460295, (Multi-disciplinary Integration) Bayer & Wunderle, et. al., 2016 4. SPE-168973, Cook & Bayer, et. al., 2014 (Fit for Purpose Static and Dynamic Modeling in the Eagleford Shale) Goal: VALUE! Enhance every day operations through evidence based studies & interdisciplinary integrated work. Interests: Reservoir Geology and Geomechanics to Flow Integration. Conventional & Unconventional Fractured Reservoirs Other Interests: Reservoir Characterization. Fracture Networks (Natural & Completion Fracs.) based on geologic scenarios to understand matrix and fractured systems. Integration of logs, petrofacies, seismic attributes, and Micro-seismic; aligned with Geomechanical units and stress. Single well analyses and multi-well interference studies based on robust static parameters to evaluate reservoir quality and production performance. -Depositional systems to understand influence to the distribution of petrofacies. -Sequence Stratigraphy and Structural Geology; Geologic evolution of systems. -Regional Basin analysis (petroleum systems).

Experience

  • SEB Solutions LLC. (Houston, Texas, United States)
    • Chief Investment Officer (CIO)
      May 2026 - Present · 2 mos

      ENERGY and INNOVATION Sectors.

    • Founder - ENERGY INVESTOR Geothermal Energy Ventures.
      Oct 2025 - Present · 9 mos

      SEB Solutions LLC, funded and continuously active since 2021, is now focused on all Energies: Geothermal is a distinctive alternative aligned with O&G and complementary to it and to all power sources. All-Energies for an iE Transformation. iE = Integrated Energies. We see experience in O&G as a powerful tool to fast-track geothermal power generation, complementing fossil fuels to meet current and future increasing energy demand. —INVEST WITH US— Supporting the World’s Route to a Diverse & Integrated Energy Future. Please DM me to have a conversation.

  • Geological Advisor (Permian Basin) at Apache Corporation
    Oct 2024 - Sep 2025 · 1 yr

    Permian Basin — Reservoir Advisor - (MSI) Multidisciplinary Subsurface Integration. Purpose based solutions. Seamless Technical Integration - Aligned goals to deliver value. Value: More Oil & Gas for less cash. - Interdisciplinary subsurface-data. - Discipline integration. Optimize complementary-role dynamics. Quantifiable results & proven Practical Subsurface Solutions to Leader and Group (Q4 2024 to Q3 2025). Delivered complete project: 2024_2025 Basin-wide High Resolution Uniform Cell-element Model for the Permian. From Wolfcamp D (base) to the Avalon (top) including all key formations in between)

  • Founder | Principal Investigator at SEB Solutions LLC.
    Sep 2021 - Sep 2024 · 3 yrs 1 mo

    Fit-for-purpose Reservoir Modeling & Multidisciplinary technical Integration. Reservoir modeling projects for flow simulation based on field performance. Entire field to sector models. Conventional and Unconventional Reservoirs. Focused on field development, and appraisal. Modeling of the subsurface to visualize and enhance operations, see and share ideas from all Team Members, and spark Innovation. Teams working in parallel through continuous innovation to achieve common goals.

  • BHP (8 yrs 9 mos)
    • Principal-II Reservoir Geologist - Technical Integrator, Petroleum GOM (Mad Dog)
      Oct 2019 - Jul 2021 · 1 yr 10 mos

      Principal Reservoir Geologist & Technical Integrator. ONE-GOM. MAD DOG PHASE 2 ”A Team for parallel technical integration and continuous innovation to achieve common goals with co-owners.” Delivered full field static reservoir model for dynamic flow simulation studies and geomechanics (field performance). Geologic Modeling of Deepwater Reservoirs for active and future Development of The Giant Mad Dog Field (informed by VBM technology). - DETAILED STRUCTURAL FRAMEWORK. FOCUS: Fault Blocks Preserved cell element orthogonality & grid uniformity. Our Team supported well planning, production history matching, forecasting, and resource quantification. Calibrated to available data from wells & seismic. | Proven Multidisciplinary Iterative Strategy | Our Goal: Identify best value opportunities while reducing uncertainty for recommendation to Leader. We used geologic scenarios for simulation to 1.) identify optimum development plan, 2.) select best completions based on pressure regime, and 3.) integrate with Geomechanics (field/well/completion). Flat Integration with Petrophysicist, Production Geologists, Geophysicists, Reservoir Engineers (Simulation), Geomechanics, and Production Engineers. Flow-Simulation to Geomechanics loop. 1.) Preserved original seismic interpretation in simulators (Structural Geology). 2.) Delivered Model for future option of increasingly deterministic solutions through implementation of seismic products (Attributes) from QI SME. 4D Ready.

    • Principal-II Reservoir Geologist - Technical Integrator, Petroleum GOM (Atlantis)
      Jan 2019 - Sep 2019 · 9 mos

      Principal Reservoir Geologist and Technical Integrator. Atlantis Team, GOM. ATLANTIS PHASE 3 Geologic Modeling of deepwater reservoirs for well planning, with a key focus on Geomechanics. -WELLBORE STABILITY & COMPLETIONS OPTIMIZATION Delivered full field static reservoir model for Geomechanics to Flow-Simulation loop. Fit-for-purpose Model currently used for Phase III drilling campaign and future Field Development. Delivered solution ready for identification of optimum well placement and completion strategies with respect to Geomechanical behavior of field (Geomechanics to Flow LINK). Seamless Model: Fit-for-all-Disciplines. Flat Integration Project with Geomechanics Expert, Petrophysicist, Geologists, Geophisicists, Reservoir Engineers (Simulation), and Production Engineers.

    • Principal-II Reservoir Geologist, Petroleum Production Development Geoscience (GOM Production)
      Oct 2018 - Dec 2018 · 3 mos

      BHP Petroleum (Gulf of Mexico Production) Reservoir Geologist Transition Team

  • Marathon Petroleum Corporation (6 yrs 2 mos)
    • Adv. Geologist (Bakken - Three Forks)
      Jul 2010 - Oct 2012 · 2 yrs 4 mos

      Reservoir Characterization - Integrated Project Team. Team under direction of Dr. Ronald Nelson. Focused on liquid rich resource plays. Reservoir modeling of unconventional fractured reservoirs, characterization of matrix and fracture components of dual porosity systems. Type II fractured reservoir. Lead Reservoir Geologist in the construction of detailed reservoir models implemented for new methodology to improve reserve booking and the identification of best development scenarios for different areas in unconventional reservoirs. Robust geologic models tied to all available interdisciplinary data as input for type decline curve definition through history matching of cases for specific geologic scenarios. Based on the implementation of Discrete Fracture networks (DFN) used in simulation efforts for reserve evaluation, field optimization, and to high grade drilling locations and acreage. In conjunction with Reservoir Engineer, Petrophysicist, and Geophysicist, successfully completed study that changed prior practice of using single layer and single porosity models to new recommended workflow that incorporates dual porosity and multiple geo-mechanical layers for optimum reservoir characterization.

    • Geologist (Alba Field, EG, W. Africa)
      Sep 2006 - Jul 2010 · 3 yrs 11 mos

      Geologist – Central Africa Production Operations, Integrated Asset Team. Deterministic Geologic Modeling of conventional deep water reservoirs used for production history matching and forecasting. Part of team selecting re-completions to optimize access of pay behind pipe. Integrated with Simulation Reservoir Engineer to ensure new sections to be opened were optimum with respect to pressure regime in compositional hydrocarbon field. Responsible for full field static reservoir model used in dynamic simulation studies (Static to Flow-Simulation loop). Fit-for-purpose Model successfully supported yearly reserve reviews, development plans, recompletions, and facilitated communication with the partners and the government from 2006 to 2010. Re-completions identified using proven dynamic integrated methodology added 1000’s of barrels of oil per day (production) and expanded reserve base for asset (supported with pressure data and Geosciences evidence). Operated field representing significant part of production portafolio for the company.