Lime Rock Partners

Operator of an oil and gas exploration company based in Midland, Texas. The company's operations are focused on acquiring and developing unconventional properties in the Delaware Basin in New Mexico and Texas.

Shelf Drilling is an offshore drilling company that specializes in providing shallow water services to the oil and gas industry. Headquartered in Dubai, the company was formed through the acquisition of 37 jackup rigs and one Swamp Barge from Transocean Inc. It focuses on the drilling and completion of exploratory and developmental offshore oil and natural gas wells, operating primarily in the contract services segment. The majority of its revenue is generated from operations in Saudi Arabia, with additional activities in Thailand, Nigeria, the United Arab Emirates, India, and other countries.

A cutting-edge start-up spun out from Statoil Research & Technology. Reveal focuses on maximizing value for operators using a breakthrough method for mapping hydraulic fractures & proppant in shales.

EV Offshore specializes in advanced downhole video and integrated sensor technology for the oil and gas industry. The company designs ruggedized camera systems capable of operating at depths of 10,000 meters and in extreme conditions of up to 175° C and 15,000 psi. Its services are utilized globally, from the North Slope of Alaska to offshore New Zealand, for various applications including mechanical inspection, well integrity assessment, and production enhancement. By combining high-quality imaging with key measurements, EV Offshore enables clients to diagnose and resolve complex wellbore issues effectively. With a success rate exceeding 95%, the company leverages its in-house research and engineering expertise to provide actionable insights to oil and gas operators, helping them clean up wellbores for optimal image quality.

Vantage Energy is an independent oil and natural gas company focused on the acquisition, development, and exploration of properties in the United States, particularly in the Appalachian Basin. The company operates through two main segments: Exploration and Production (E&P), which involves the exploration and production of oil, natural gas, and natural gas liquids, and Midstream, which provides natural gas gathering and water distribution services for its operations and third-party clients. Vantage Energy also explores tight gas sands, gas shales, and coalbed methane across various regions in North America, including the Green River, Uinta, Piceance, Cherokee, and Fort Worth areas.

Virginia Explosives & Drilling Company, Inc. ("VEDCO") delivers contract drilling and blasting services for the coal mining, quarry, and construction industries

NATCO Group is a medium-sized company that provides process equipment, systems, and services used in the production of oil and gas. Its equipment solutions include oil treating products such as dehydration and desalting products; separation products, including membrane technology, phase separation, gas scrubbing, and solid solutions; and gas conditioning solutions such as contaminant removal, gas processing, and emission control solutions. NATCO Group’s equipment solutions also comprise water quality solutions, including produced water, water injection, and brine treatment products; measurement systems such as custody transfer systems and distribution solutions; automation and controls, including subsea controls, process management controls, and process analytical solutions; and retrofits. The company is headquartered in Houston, Texas.