Brookside Energy Limited, formerly Red Fork Energy Limited, is an Australia-based company, engaged in the exploration and appraisal of and development and production of oil and gas. The Company's segments include Oil and gas exploration and Corporate. The Oil and gas exploration segment includes assets, including acquisition cost of exploration licenses and all expenses related to the projects in the United States. The Corporate segment includes treasury, corporate and regulatory expenses arising from operating on Australian Securities Exchange (ASX) listed entity. Its assets include cash and cash equivalents, and investments in financial assets. The Company, through its subsidiary BRK Oklahoma Holdings, LLC, invested in the United States focused energy start-up, Black Mesa Production, LLC.