In 2008, Flatrock Energy Advisors, LLC and EnCap Investments L.P. joined in a partnership to create a series of private equity funds to invest in the midstream sector of the North American energy industry. The combination offers a unique set of skills: deep industry expertise, significant operating experience, outstanding technical skills, industry recognition and contacts along with financial sophistication and a demonstrated track record of successful private equity investing. Learn more »

Our Team

EnCap Flatrock is led by managing partners
Bill Waldrip,
Dennis Jaggi and
Billy Lemmons.

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Principals »

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Professionals »

Current Portfolio Companies

Caballo Energy, LLC
Natural gas midstream services company targeting acquisitions and greenfield opportunities in the midcontinent region.
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Caiman Energy Logo
Midstream company working in the Marcellus shale to provide the infrastructure necessary to move natural gas products from the wellhead to market.
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Cardinal Midstream Logo
Natural gas midstream company focused on the areas of natural gas gathering, transportation, processing and treating.
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Meritage Midstream Logo
Provides producers with gathering, treating and handling of natural gas, crude oil, water and condensates. Current operations focused on the Eagle Ford shale in south Texas.
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Nuevo Midstream Logo
Midstream company operating in the Deleware Basin in west Texas and southeast New Mexico, with emphasis on the Avalon shale, Bone Springs and Wolfcamp formations.
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Rangeland Energy Logo
Develops, owns and operates crude oil, refined product and related midstream assets in growing production areas with a current emphasis on the Bakken shale in North Dakota.
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USInfrastructure Logo
Develops projects across the U.S., including gas gathering, conditioning and processing assets. Currently focused on the Marcellus, Utica, Haynesville/Bossier shale plays.
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