Current Investments

East Texas Oil & Gas
East Texas Oil & Gas

Initial Investment:2008

East Texas Oil & Gas is an independent exploration and development company formed to pursue oil and gas exploration and development activities in East Texas. The management team has over 150 years of experience in East Texas and a history of creating value in the region.
Integrated Downhole Solutions
Integrated Downhole Solutions

Initial Investment:2008

Integrated Downhole Solutions is an independent provider of mud motors and related services to the directional and performance drilling industry. The company is headquartered in Conroe, Texas.
Quality Magnetite, LLC
Quality Magnetite, LLC

Initial Investment:2008

Quality Magnetite is a Kenova, West Virginia-based distributor of magnetite to the coal preparation industry in the Central Appalachia region of the United States. Quality Magnetite serves over 60 coal preparation plants in Virginia, Kentucky, Ohio, and West Virginia. Magnetite is a form of iron ore that is used in cyclones in coal preparation plants to separate coal from rock.
Taggart Global Talen’s Marine & Fuel
Talen’s Marine & Fuel

Initial Investment:2008

Talen’s Marine & Fuel is a domestic fuel supplier, with six marine docks strategically located along the Gulf Coast and Intracoastal Waterway. Talen’s utilizes a fleet of fuel barges, tug boats, trucks, and one bulk plant facility to provide their customers with refined products, lubricants, specialty chemicals, and other ancillary services (trash hauling, fresh water, food and beverage and personnel staging for offshore work, among others).
Team CO2
Team CO2

Initial Investment:2008

Team CO2 provides onsite carbon dioxide (“CO2”) fracturing and stimulation services to oil and gas operators. The Company is headquartered in the heart of the Permian Basin in Midland, Texas.
Amercable
AmerCable Incorporated

Initial Investment:2007

AmerCable develops, manufactures and sells highly-engineered, jacketed electrical cable products, cable assemblies and customer-driven solutions for power, instrumentation and control applications for use in severe operating environments. AmerCable holds leading market positions in its targeted North American niche markets, which include marine and offshore drilling for oil and gas exploration and production, as well as underground and surface mining. AmerCable is headquartered in El Dorado, Arkansas and has additional manufacturing and distribution locations in Houston, Texas, China, and Singapore.
Deep Gulf Energy and Deep Gulf Energy II
Deep Gulf Energy and Deep Gulf Energy II

Initial Investment:2007

Deep Gulf Energy and Deep Gulf Energy II were established to fund the development of gas and oil fields in the deepwater Gulf of Mexico. Headquartered in Houston, Texas, Deep Gulf targets undeveloped fields in water depths of 1,000 to 6,000 feet with recoverable reserves of between 30 and 240 Bcfe. The management team focuses on fields prone to subsea completions and tiebacks to host facilities with capacity for additional volumes.
The Directional Drilling Company
The Directional Drilling Company

Initial Investment:2007

The Directional Drilling Company offers a complete package of premium drilling services, including directional drilling, horizontal drilling, under-balanced drilling, measurement-while-drilling, gyroscope, survey and wire-line services to large and mid-size independent oil and gas producers. DDC is headquartered in Conroe, Texas with sales and/or service facilities in Midland, Texas, Casper, Wyoming and Denver, Colorado.
Energy Future Holdings
Energy Future Holdings

Initial Investment:2007

Energy Future Holdings is an energy holding company, with a broad portfolio of energy subsidiaries, mostly in Texas, including TXU Energy, Luminant and Oncor. TXU Energy is a competitive retailer that provides electricity and related services to customers in Texas. Luminant is a competitive power generation business, including mining operations, wholesale marketing and trading operations. Oncor is a regulated electric distribution and transmission business and through its asset management expertise provides reliable delivery of electricity to consumers.
KopperGlo Fuel
KopperGlo Fuel

Initial Investment:2007

Kopper-Glo Fuel is a Central Appalachian surface mining operation located near Knoxville, Tennessee that produces high quality steam coal. Kopper-Glo currently produces approximately 700,000 tons of low sulfur, high btu coal annually.
MWD Services
MWD Services

Initial Investment:2007

MWD Services is a Lafayette, Louisiana-based independent provider of measurement while drilling services to the directional drilling market. MWD currently has a fleet of retrievable MWD tools systems and is currently servicing the directional drilling markets in Louisiana, Mississippi, and Texas. MWD’s tools are utilized by directional drillers to track the compass direction or azimuth, inclination (measured in degrees from vertical), and gamma ray response of the formation down hole.
Prize Petroleum
Prize Petroleum

Initial Investment:2007

Prize Petroleum is a Lafayette, Louisiana-based independent oil & gas exploration & development company with assets in East Texas, North Louisiana, and Michigan. The assets are characterized by stable, shallow decline production and are 100% operated by Prize.
Stone Mountain Resources
Stone Mountain Resources

Initial Investment:2007

Stone Mountain Resources is a privately held exploration and production company formed by Quintana and First Reserve Corporation. The company was formed to support Harvey Klingensmith, an experienced and well-regarded exploration and production executive, and a team of technical professionals in actively pursuing Canadian exploration and production opportunities.
Taggart Global
Taggart Global

Initial Investment:2007

Taggart Global specializes in the design, engineering, construction and operation of coal preparation plants and material handling systems worldwide. Taggart manages and provides the majority of its services from its offices in Pittsburgh, Pennsylvania, and Beijing, China. The company has operations in North America, Brazil, China, Russia and Trinidad.
AmercableBeryl Resources
Beryl Resources

Initial Investment:2006

Beryl Resources was formed to pursue attractive drill-to-earn opportunities on the Gulf of Mexico shelf. Headquartered in Houston, Beryl pursues companies operating in the upstream oil and gas industry that have staffing shortages for their projects in the Gulf of Mexico. Beryl helps solve the problem by applying its personnel and capital to execute the projects, growing its own reserves and production by earning an interest in the assets. The management team has over 200 years of experience focused exclusively on the Gulf of Mexico.
Consolidated Oil Well Services
Consolidated Oil Well Services

Initial Investment:2006

Consolidated Oil Well Services is a pressure pumping service provider of cementing, fracturing and acidizing services. Headquartered in Chanute, Kansas, Consolidated currently operates in the Cherokee, Forest City, and Powder River basins and provides services to over 300 customers. Consolidated’s nine field offices are located in Bartlesville, OK, Cushing, OK, McAlester, OK, El Dorado, KS, Eureka, KS, Ottawa, KS, Thayer, KS, Gillette, WY and Worland, WY.
Cypress E&P
Cypress E&P

Initial Investment:2006

Cypress E&P is an independent oil and gas exploration and production company focused on generating and drilling prospects primarily along the Texas Gulf Coast. The Company was formed by two leading industry principals who began their careers with Shell Oil Company and have more than 30 years experience in engineering and exploration disciplines.
Gulfstream Terminals & Marketing
Gulfstream Terminals & Marketing

Initial Investment:2006

Gulfstream Terminals and Marketing was formed by Quintana and Petromax to acquire an idled refined products terminal in Bay City, Texas. The terminal consists of 110,000 bbls of refined product storage capacity and the terminal has the ability to handle up to 6,000 bbls to service the demand of a niche refined products market located between Houston, Texas and Corpus Christi, Texas.
Quintana WellPro
Quintana WellPro

Initial Investment:2006

Quintana WellPro is a drilling and workover services company focused on the oil and gas market in Argentina. As a contract drilling and well service business, QWP provides rigs and crews to exploration and production companies so they can drill and complete oil or natural gas wells. One of QWP’s affiliates, International Petroleum Equipment (IPE), primarily owns and leases rig parts to QWP. Another of QWP’s affiliate companies, Transportes Aguila (TA), provides trucking services to drilling and workover industry throughout Argentina and South America.
XL Prospect
XL Prospect

Initial Investment:2006

XL Prospect is an early stage upstream oil and gas prospect focused on an unconventional oil resource play covering approximately 25,000 acres in Terry and Yoakum Counties, Texas. The prospect lies within the Permian Basin of West Texas and is targeting the Wolfcamp Formation at around 10,000 feet of depth as the primary objective.
Navigate Energy Services
Navigate Energy Services

Initial Investment:

Navigate Energy Services is a Houston based provider of measurement while drilling equipment. NES has developed and patented technology that enables unmanned and remote operation of their equipment. These systems can be deployed on wells where conventional MWD systems have traditionally not been cost-effective such as planned vertical wells where continuous steering is not required. NES currently provides tools and service directly to Oil & Gas operators in the U.S. Gulf Coast, Oklahoma, West Texas and U.S. Rocky Mountain regions.