Our Company

Crimson Energy Partners IV, LLC ("Company") is a private, independent oil and gas company based in Fort Worth, Texas. The Company's Management has been extremely successful in employing an acquisition-led approach of finding, developing, and exploiting oil and gas reserves  in conjunction with a complimentary organic, lease and drilling plan. The Company is the fourth venture by its seasoned management team after prior successful investments with multiple private-equity providers.


Crimson Energy Company, LLC (“Crimson I”), was founded in 1998 by President, Frank F. Starr II, and Vice President, Jacob (Tripp) Rivers III, with the objective of building a private, independent oil and gas company focused on core areas in which the principals had significant experience. The assets of Crimson Energy Company, LLC. were sold to J.M. Huber in 2004.

Crimson Energy Partners II, LLC (“Crimson II”) began operations in June 2005 with funding from EnCap Investments L.P. and implemented a drilling strategy similar to its predecessor for development of its asset base. In September 2008, Crimson II sold its San Miguel and Olmos production and operations from 5,140 acres of its South Texas leasehold to Swift Energy.

Crimson Energy Partners III, LLC (“Crimson III”) began operations in December 2009 with acreage contributed from Crimson II and funding from SW Energy Capital. Drilling focused on the Eagleford, Woodbine, and Buda in Brazos County, TX. The Company sold the assets to Warburg Pincus-backed Hawkwood Energy in May 2014.

Crimson Energy Partners IV, LLC (“Crimson IV”) began operations in October, 2014 to continue its success in pursuing a lease and develop strategy. In December, 2016, Crimson IV formed a partnership with Vortus Investments to focus on Eagle Ford assets with the successful leasing of acreage in Dimmit County. The Company is currently developing this asset and seeking to expand its position in the Western Eagle Ford.

In Memory of Jacob “Tripp” Boyd Rivers

Crimson Energy was formed on April 1, 1998, by Frank Starr and Jacob “Tripp” Boyd Rivers III, over the years we successfully built and sold Crimson Energy Partners I thru IV.
Our primary area of focus was both in South Texas and Upper Gulfcoast/East Texas area, our primary focus was finding under-exploited areas in known hydrocarbon bearing basins.
Over the years we drilled several hundred wells both horizontal and vertical, Tripp was incredibly loyal as a friend and partner; he gave all he had to help build the companies.
It was with great sadness when we found out Tripp passed on August 12, 2023, at the age of 64, he will be missed as we start up Crimson Energy Partners V LLC, but we know he will be watching over us, and we will see him again.
Farewell my dear friend!