OPERATIONS

Built to Perform. Positioned to Scale.

Focused on Cash Flow. Engineered for the Future.

WHERE DO WE OPERATE?

Goldstone Oil & Gas operates across two of the most productive and economically resilient oil and natural gas regions in the United States. Our strategy is centered on the acquisition and development of large, contiguous acreage positions in proven resource plays, supported by disciplined capital deployment and operational execution.

Goldstone’s multi-basin operating platform is designed to support scalable development programs, optimize infrastructure utilization, and deploy capital across assets with repeatable performance characteristics and long-term development runway.

As part of this approach, Goldstone continuously evaluates ways to maximize the value of its commodity production by expanding how and where energy is delivered to end markets.

Core Operating Areas

Permian Basin

Goldstone maintains a growing presence in the Permian Basin, the most prolific oil-producing region in North America. Our operations focus on scalable horizontal development across stacked pay intervals, leveraging repeatable drilling and completion designs to drive capital efficiency, operational consistency, and long-term recovery.

South Texas / Eagle Ford Basin

In South Texas, Goldstone operates and invests in infrastructure-rich assets with established production history and attractive development potential. Our strategy emphasizes disciplined development, operational optimization, and consistent cash flow generation across contiguous acreage positions.

Integrated Energy & Digital Infrastructure

Goldstone is advancing a forward-looking energy strategy designed to maximize the value of its oil and natural gas production across multiple end-use pathways.

In addition to traditional natural gas marketing and sales, Goldstone is expanding its focus to include supplying natural gas directly to energy-intensive digital infrastructure, including AI data centers and bitcoin mining operations. By aligning upstream production with high-demand power and compute applications, Goldstone seeks to enhance realized commodity value, improve margin resilience, and create additional avenues for long-term cash flow generation.

These initiatives reflect Goldstone’s commitment to innovation, operational flexibility, and the evolving role of natural gas as a foundational fuel for both industrial growth and next-generation digital infrastructure.

Land Stewardship and Community Commitment

Goldstone operates with a long-term perspective—earning trust through disciplined execution, responsible development, and direct engagement with the landowners and communities where we work. Our current operations are based in Texas, and we apply consistent operating standards designed to support safety, professionalism, and respect for the land across every phase of development.
 
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Operating Standards
•Responsible development practices guided by established operating procedures and disciplined field execution
•Thoughtful surface planning to minimize footprint and protect land use and long-term property value
•Safety-first operating culture supported by training, contractor oversight, and continuous improvement
•Environmental performance management, including spill prevention, emissions awareness, waste handling, and responsible water use
•Landowner partnership and transparency, with clear points of contact and proactive coordination throughout the lifecycle of operations
•Reclamation and restoration practices aligned with landowner objectives and site-specific conditions

Operating Philosophy

Goldstone’s operations are guided by a disciplined, cash-flow-driven approach designed to support long-term profitability and sustainable growth.
 
Our operating model emphasizes:
•Development of assets capable of generating durable free cash flow across commodity cycles
•Disciplined capital allocation focused on high-return development opportunities
•Operational efficiency and cost control to support strong margins and capital durability
•Integration of acquisitions into a unified operating platform to enhance scale and economic performance
•Commitment to safety, environmental stewardship, and operational discipline
 
Goldstone prioritizes reinvestment in high-quality assets while maintaining a clear focus on capital efficiency and the long-term return on invested capital.

Goldstone’s objective is to operate with discipline, accountability, and respect—building lasting relationships locally while establishing operating standards designed to scale globally.

For More Information

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Fay Matsukage

Senior Attorney

Fay Matsukage serves as Senior Attorney for Goldstone Oil & Gas, providing strategic legal guidance across the company’s corporate, securities, and capital markets activities. With over 35 years of legal experience, Fay advises Goldstone’s executive team on complex matters involving business development, regulatory compliance, private and public offerings, mergers and acquisitions, and general corporate governance. In her role, Fay supports Goldstone’s broader growth initiatives by ensuring the company’s transactions and fundraising activities meet the highest standards of SEC and state-level compliance. Her work includes oversight of corporate structuring, investor documentation, and securities filings that underpin Goldstone’s expansion strategy. In addition to her work with Goldstone, Fay is a senior attorney with Doida Law Group, where she has established a national reputation in securities and corporate law. She previously spent 19 years as a partner at a Denver-based firm, focusing on initial public offerings, equity and debt transactions, and regulatory compliance. Fay holds an “AV” rating from the Directory of Lawyers in the United States — the highest distinction for legal ability and ethical standards. She earned her J.D. from the University of Denver in 1979 and her B.A. from Colorado College in 1976, graduating summa cum laude and Phi Beta Kappa

Pablo Paez

Senior Reservoir Engineering & Development Manager

Pablo Paez serves as Senior Reservoir Engineering & Development Manager for Goldstone Oil & Gas, bringing more than twenty-eight years of experience in oil and gas field development across U.S. and international unconventional basins. His background spans subsurface characterization, full-cycle development planning, reserves maturation, and multidisciplinary team leadership, with deep technical and operational expertise across both unconventional and conventional reservoirs. Prior to joining Goldstone, Mr. Paez held senior leadership roles at Chevron and Pan American Energy, where he led asset development programs in the Permian Basin and Argentina’s Vaca Muerta play. Earlier in his career, he served as a reservoir engineer across multiple asset types, including unconventional resource plays, tight gas, waterflood, and EOR developments. Mr. Paez holds a Bachelor of Science in Petroleum Engineering from Universidad Nacional de Cuyo, Argentina.

Jason Wilson

Geoscience & Operations

Jason Wilson serves as a Geoscience and Operations management for Goldston Oil & Gas. Mr. Wilson has more than twenty-five years of experience spanning public and private energy corporations. His expertise includes subsurface evaluation, drilling and completion operations, acquisitions and divestitures, and full-cycle project management. During his tenure as geologist for the Eagle Ford division at Magnum Hunter Resources, Mr. Wilson conducted the core geologic evaluations that identified key leasing areas fundamental to the company’s Eagle Ford development program. He also oversaw a multi-rig drilling program, applying effective development strategies, reservoir analysis, and completion optimization techniques that helped grow the asset to a valuation of approximately $1 billion. Mr. Wilson’s technical and operational background includes extensive work across major North American basins, including the Permian Basin, East Texas Basin, Eagle Ford and Austin Chalk plays, the Williston Basin, and the Appalachian Basin. He holds both a B.S. and M.S. in Geology from Texas A&M University.


Andrew P. Calerich

Managing Partner & Chief Financial Officer

Andrew P. Calerich serves as the Chief Executive Officer and Chief Financial Officer. He has over 35 years of experience in upstream oil and gas finance across public and private companies. He is the Founder, CEO, and Director of Thunder Basin Resources LLC (2017–2024), an upstream E&P company focused on the Powder River Basin in Wyoming. Previously, he served as a private investor from 2010 to 2017. Earlier in his career, he was the CFO, President, and Director of American Oil & Gas, Inc. from 2003 to 2010, leading the company through its sale to Hess Corporation for over $600 million. Andrew has deep expertise in corporate and financial functions, including SEC compliance, corporate governance, stockholder administration, capital markets, investor relations, and human resources.

Enrique Carrillo

Managing Partner

Enrique Carrillo is the Managing Partner, Chief Executive Officer, and Executive Director of the Board of Goldstone Oil & Gas, a U.S.-based independent energy company focused on the acquisition, development, and operation of oil and gas assets supporting the modernization of America’s energy infrastructure. Mr. Carrillo brings more than a decade of experience across upstream operations, asset development, and energy infrastructure. Prior to founding Goldstone Oil & Gas, he founded and led multiple oilfield services, construction, and environmental companies operating across major U.S. producing basins, providing extensive field-level execution experience and operational scale. As Chief Executive Officer, Mr. Carrillo leads corporate strategy, capital formation, and operational performance. His leadership is defined by speed of execution, disciplined capital allocation, and institutional governance, positioning Goldstone to scale efficiently while delivering durable, long-term value for investors, stakeholders, and host communities.