Tiburon Oil & Gas Partners
Venture Round in 2024
Tiburon Oil & Gas Partners, based in Houston, Texas, is an energy exploration and production company. It specializes in the responsible development of upstream oil and gas assets, with a current focus on "Lease and Drill" operations in the Utica Shale Basin. The company aims to deliver energy solutions that meet client needs, leveraging innovative practices and sustainable strategies.
Ichthys Energy
Private Equity Round in 2024
Ichthys Energy is an upstream oil and gas company specializing in the aggregation and responsible development of its operated Permian Basin portfolio. The company employs a strategic approach, focusing on both operated and non-operated acquisitions, to drive significant returns in the Permian region.
Midway Energy Partners
Private Equity Round in 2024
Midway Energy Partners is an oil and gas operating company based in Midland, Texas. It specializes in the development and operation of oil and gas properties, primarily focusing on the extraction of crude oil and natural gas.
Layne Water Midstream
Private Equity Round in 2019
Layne Water Midstream Holdings, LLC is a water midstream company that specializes in providing comprehensive water solutions to upstream oil and gas companies. Established in 2016 and headquartered in The Woodlands, Texas, the company operates primarily in the Delaware and Midland basins. Its services include produced water gathering and disposal, source water delivery, produced water redelivery, and water treatment and recycling. Layne Water Midstream is distinguished by its exclusive long-term contracts with key customers, landowners, and various state entities, which support its significant infrastructure for water sourcing, transportation, and management. The company is focused on further growth to enhance the operational efficiency of its upstream clients in these vital oil-producing regions.
Prime Downhole Manufacturing
Private Equity Round in 2019
Prime Downhole Manufacturing, LLC is an engineering and manufacturing company based in Houston, Texas, specializing in the oil, gas, and aerospace industries. Established in 2015, the company produces a range of products including Torstar breakout machines, bucking units, bearings, PDC bits, and reamers. In addition to manufacturing, Prime Downhole Manufacturing offers precision machining services, contract machining for engineered downhole tools, and comprehensive maintenance and calibration programs. The company also provides in-house and field repair services, catering to the needs of companies in the upstream oil and gas sector while helping them improve operational efficiency and returns.
Saxet Minerals
Private Equity Round in 2018
Saxet Minerals is an oil and gas company specializing in the acquisition and management of mineral and royalty interests across the United States. Composed of experienced upstream exploration and production professionals, Saxet is dedicated to identifying promising opportunities that align with its strategic objectives. The company focuses on expanding its portfolio of mineral and royalty assets while delivering exceptional service to its partners and stakeholders. By leveraging its extensive industry expertise, Saxet aims to enhance its market presence and achieve long-term growth through targeted acquisitions.
Layne Water Midstream
Private Equity Round in 2018
Layne Water Midstream Holdings, LLC is a water midstream company that specializes in providing comprehensive water solutions to upstream oil and gas companies. Established in 2016 and headquartered in The Woodlands, Texas, the company operates primarily in the Delaware and Midland basins. Its services include produced water gathering and disposal, source water delivery, produced water redelivery, and water treatment and recycling. Layne Water Midstream is distinguished by its exclusive long-term contracts with key customers, landowners, and various state entities, which support its significant infrastructure for water sourcing, transportation, and management. The company is focused on further growth to enhance the operational efficiency of its upstream clients in these vital oil-producing regions.
Sierra Resources
Private Equity Round in 2017
Sierra Resources is a private oil and gas exploration and production company based in Houston, Texas. With extensive experience in various onshore basins, the company specializes in acquiring and developing unconventional oil and gas assets. Recently, Sierra Resources has concentrated its efforts on the Eagle Ford Shale, seeking to enhance its portfolio of reserves in this prolific region.
Nadel and Gussman
Private Equity Round in 2017
Nadel and Gussman is a fourth-generation, family-owned independent oil and gas production and exploration company based in Tulsa, Oklahoma, with a legacy spanning over 70 years. Founded by Isadore Nadel in the early 20th century, the company initially focused on shallow oil investments and has since expanded its operations across key basins in the United States, including the Mid-continent, ArkLaTex, and Permian regions. Nadel and Gussman is committed to ethical business practices and modern oil innovations, emphasizing environmentally safe exploration and production methods. The company specializes in both operated and non-operated opportunities, utilizing advanced horizontal drilling and completion technologies in both conventional and unconventional plays. The leadership team, which includes Stephen Heyman and Jim Adelson, continues to guide the company in its growth and development within the oil industry.
Moriah Henry Partners
Private Equity Round in 2017
Moriah Henry Partners LLC is a Midland-based exploration and production company focused on the acquisition and development of oil and gas properties in the Midland Basin of West Texas. The Company is a collaboration among Post Oak Energy Capital, Henry Energy, LP and Moriah Energy Investments, LLC.
Oryx Midstream Services
Private Equity Round in 2017
Oryx Midstream Services, LLC is a midstream company headquartered in Midland, Texas, focused on developing, acquiring, owning, and operating midstream assets primarily in the Permian Basin region. Founded in 2013, the company provides a comprehensive suite of midstream services, including natural gas gathering, compression, treating, and processing, as well as crude oil gathering, handling, and transportation. Oryx also manages natural gas liquids transportation, connecting oil and gas producers to key market hubs for delivery to domestic refineries and the U.S. export market. With a leadership team that boasts over 145 years of combined experience in the energy sector, Oryx Midstream Services aims to be a strategic partner for its clients, offering customized solutions to meet their specific business needs while ensuring efficient and cost-effective operations.
Tri-C Resources
Private Equity Round in 2017
Tri-C Resources Inc. is an oil and gas exploration and production company based in Houston, Texas. Founded in 1985, the company specializes in the acquisition and development of both domestic and foreign energy properties, with a particular focus on unconventional assets. Tri-C Resources offers comprehensive services that include the drilling, completion, and production of oil and gas wells, utilizing advanced exploration technologies to enhance efficiency and effectiveness in the field. The company primarily operates in the tertiary region of the Texas Gulf Coast, contributing to the energy sector through its strategic initiatives in exploration and production.
Mavros Minerals
Private Equity Round in 2017
Mavros Minerals is an oil and gas company focused on mineral energy assets. The company's focus lies in the acquisition of mineral and royalty interests and acting as local operators to source, analyze and execute on acquisition opportunities.
Mavros Minerals
Private Equity Round in 2016
Mavros Minerals is an oil and gas company focused on mineral energy assets. The company's focus lies in the acquisition of mineral and royalty interests and acting as local operators to source, analyze and execute on acquisition opportunities.
Crown Oil Partners
Private Equity Round in 2016
Crown Oil Partners is an oil and gas company acquiring and managing various types of oil and natural gas properties. The company was founded in 2016 and is headquartered in Midland, TX.
Moriah Henry Partners
Private Equity Round in 2016
Moriah Henry Partners LLC is a Midland-based exploration and production company focused on the acquisition and development of oil and gas properties in the Midland Basin of West Texas. The Company is a collaboration among Post Oak Energy Capital, Henry Energy, LP and Moriah Energy Investments, LLC.
UpCurve Energy
Private Equity Round in 2015
UpCurve Energy LLC is an oil and gas company based in Houston, Texas, established in 2015. The company specializes in the exploitation of mature unconventional plays, with a particular focus on the Eagle Ford, Haynesville, Bakken, and Marcellus shale formations. UpCurve Energy is engaged in the acquisition of acreage and existing wells, optimizing production through various methods, including recompletions, new development, and infill drilling. The company employs cash purchases and farm-in agreements to pursue its acquisition strategy, aiming to enhance production in prolific shale formations, particularly through horizontal completions and refracturing techniques.
Rimrock Resource Operating
Private Equity Round in 2015
Rimrock Resource Operating is an oil and energy company focused on the development, acquisition, and exploration of the oil and gas industry. The company provides services including oil transportation, well site management, water transportation, crude oil marketing, contract pumping, service and repair, roustabout, and other small services. Rimrock Resource Operating was formed in 2015 in Tulsa, OK.
PetroEdge Energy IV
Private Equity Round in 2015
PetroEdge Energy IV, LLC, established in 2014 and headquartered in Houston, Texas, is an independent oil and gas exploration company. Its primary business involves the acquisition, exploration, and exploitation of unconventional natural gas and crude oil properties, with a focus on the Eagle Ford Shale in South Texas. The company is committed to safe and environmentally responsible production methods.
Double Eagle Development
Private Equity Round in 2015
Double Eagle Development is engaged in the exploration, development, and production of crude oil and natural gas, primarily operating through horizontal and vertical methods in the Midland Basin of West Texas. Founded in 2008 and headquartered in Fort Worth, Texas, with an additional office in Midland, the company is recognized as one of the largest organic acquirers of acreage in the Permian Basin. Double Eagle focuses on acquiring oil and gas leases, working interests, mineral rights, and royalty interests, and has conducted over 10,000 lease transactions, encompassing more than 1 million acres and exceeding $4.5 billion in transaction value. The company has also been active in other regions across the United States, including South Texas, the Mid-Continent, and the Rockies, thereby establishing a significant presence in the oil and gas sector.
Oryx Midstream Services
Private Equity Round in 2014
Oryx Midstream Services, LLC is a midstream company headquartered in Midland, Texas, focused on developing, acquiring, owning, and operating midstream assets primarily in the Permian Basin region. Founded in 2013, the company provides a comprehensive suite of midstream services, including natural gas gathering, compression, treating, and processing, as well as crude oil gathering, handling, and transportation. Oryx also manages natural gas liquids transportation, connecting oil and gas producers to key market hubs for delivery to domestic refineries and the U.S. export market. With a leadership team that boasts over 145 years of combined experience in the energy sector, Oryx Midstream Services aims to be a strategic partner for its clients, offering customized solutions to meet their specific business needs while ensuring efficient and cost-effective operations.
Crown Oil Partners
Private Equity Round in 2014
Crown Oil Partners is an oil and gas company acquiring and managing various types of oil and natural gas properties. The company was founded in 2016 and is headquartered in Midland, TX.
CPX Piceance
Private Equity Round in 2014
CPX Piceance is a natural resource development company founded in 2014 and headquartered in Houston, Texas. The company specializes in the exploration and operation of oil and gas assets, with a notable focus on long-lived resources in the Piceance Basin, Denver-Julesburg Basin, and East Texas. CPX Piceance manages a substantial portfolio of non-operated oil and gas interests, primarily in the DJ and Powder River Basins. The company aims to enhance the value of its energy assets by developing drilling positions, acquiring prospective acreage at favorable valuations, and improving overall natural resource development within the energy sector.
PetroEdge Energy IV
Private Equity Round in 2013
PetroEdge Energy IV, LLC, established in 2014 and headquartered in Houston, Texas, is an independent oil and gas exploration company. Its primary business involves the acquisition, exploration, and exploitation of unconventional natural gas and crude oil properties, with a focus on the Eagle Ford Shale in South Texas. The company is committed to safe and environmentally responsible production methods.
Maverick Brothers Energy
Private Equity Round in 2013
Maverick Brothers Energy is an oil and natural gas exploration and production company based in Enid, Oklahoma. Founded in 1998, the company specializes in the horizontal development of oil and natural gas resources, primarily in western Oklahoma. Maverick Brothers Energy is engaged in the acquisition, development, and management of producing oil and gas properties. The company aims to enhance its existing leasehold and expand its portfolio by acquiring additional oil and gas assets.
Refinery Specialties
Private Equity Round in 2013
Refinery Specialties is an oilfield service company that specializes in the formulation and manufacturing of customized specialty chemicals for the oil and gas industry. The company provides a range of products, including surfactants, foaming agents, biocides, paraffin inhibitors, and emulsion breakers, aimed at enhancing oilfield production processes. In addition to product development, Refinery Specialties offers technical support and comprehensive monitoring services to ensure effective chemical application and dosage. Their approach focuses on delivering cost-effective treating programs, which include monthly reporting to identify issues and validate the chemical program's expenses. Targeting the oilfield, industrial, and water sectors, Refinery Specialties aims to optimize production and operational efficiency through its specialized chemical solutions.
Cornerstone Petroleum Petroleum
Private Equity Round in 2013
Cornerstone Petroleum Resources, LLC is an exploration and production company based in Fort Worth, Texas, specializing in the drilling and development of oil-prone shale plays. The company actively engages in the development of shale oil resources through various approaches, including joint ventures, farm-ins, and organic leasing opportunities with existing acreage owners and operators. This focus allows Cornerstone to leverage expertise in horizontal drilling and hydraulic fracturing techniques, positioning itself to serve major oil companies effectively.
Core Minerals
Private Equity Round in 2012
Core Appalachia is a privately held, independent producer and processor of natural gas in the Devonian region in Kentucky, Virginia and West Virginia. Headquartered in Charleston, West Virginia, Core’s 5,600 conventional wells are strategically positioned throughout 1.2 million acres of the southwestern Appalachian Basin to meet the growing regional demand for natural gas.
Refinery Specialties
Private Equity Round in 2012
Refinery Specialties is an oilfield service company that specializes in the formulation and manufacturing of customized specialty chemicals for the oil and gas industry. The company provides a range of products, including surfactants, foaming agents, biocides, paraffin inhibitors, and emulsion breakers, aimed at enhancing oilfield production processes. In addition to product development, Refinery Specialties offers technical support and comprehensive monitoring services to ensure effective chemical application and dosage. Their approach focuses on delivering cost-effective treating programs, which include monthly reporting to identify issues and validate the chemical program's expenses. Targeting the oilfield, industrial, and water sectors, Refinery Specialties aims to optimize production and operational efficiency through its specialized chemical solutions.
Bayou Well Services
Private Equity Round in 2011
Bayou Well Services is a provider of oilfield services operating across the United States. The company specializes in pressure pumping, fluid logistics, and rental tools, offering comprehensive solutions for various oil and gas well operations. Its service portfolio includes workover, plug and abandonment, fluid management, hydraulic fracturing, well-servicing rigs, tank rentals, and fluid transfer. Through its diverse offerings, Bayou Well Services supports the efficiency and effectiveness of oilfield operations.
Richland-Stryker Generation
Private Equity Round in 2011
Richland-Stryker Generation is a power generation company that operates gas and oil-fired peaking power generation facilities. These facilities serve PJM, a regional transmission organization which coordinates the movement of electricity in all or parts of 13 Northeast and Midwestern states and the District of Columbia.
Crown Oil Partners
Private Equity Round in 2011
Crown Oil Partners is an oil and gas company acquiring and managing various types of oil and natural gas properties. The company was founded in 2016 and is headquartered in Midland, TX.
Chaparral Energy
Private Equity Round in 2008
Chaparral Energy, Inc. is an oil and gas company based in Oklahoma City, Oklahoma, focusing on the acquisition, exploration, development, production, and operation of oil and natural gas properties in the United States, primarily in Oklahoma. It operates across approximately 210,000 net surface acres, with a significant portion—about 122,000 net acres—located in the STACK play within Canadian, Kingfisher, and Garfield counties. The company sells crude oil, natural gas, and natural gas liquids mainly to refineries and gas processing plants. As of the end of 2019, Chaparral Energy reported estimated proved reserves of approximately 96.6 million barrels of crude oil equivalent and held interests in 2,782 gross producing wells, with 866 of those being company-operated. Founded in 1988, the company has positioned itself as a key player in the oil and gas sector in the Mid-Continent region.
Black Oak Resources
Private Equity Round in 2008
Black Oak Resources is an exploration and production company focused on oil and natural gas properties. The company pursued upstream acquisition and development opportunities in the Permain Basin and Mid-Continent areas. Black Oak Resources was formed in 2008 in Austin, TX.
RAM Energy Resources
Private Equity Round in 2007
RAM Energy Resources is an oil and gas company dedicated to the development and acquisition of oil and natural gas properties. Established in 1987, the company operates primarily in Texas, Louisiana, and Oklahoma, where it manages existing oil and gas assets while pursuing new acquisition opportunities. RAM Energy Resources is involved in both the exploration and development of conventional and non-conventional oil and gas assets, as well as the drilling of oil and natural gas wells.
Breitburn Energy Partners
Private Equity Round in 2007
Breitburn Energy Partners is an oil and gas company that explores and develops oil and gas producing properties. The company's current assets consist primarily of producing and non producing crude oil reserves located in the Los Angeles Basin in California, the Wind River and Big Horn Basins in central Wyoming, the Sunniland Trend in Florida, the Permian Basin in West Texas and Michigan. Breitburn’s goal is to provide unitholders with stable and growing cash distributions.
Atlas Energy
Private Equity Round in 2007
Atlas Energy Group, LLC, established in 2011 and headquartered in Fort Worth, Texas, is engaged in the development and production of natural gas, crude oil, and natural gas liquids. The company's primary operations are in the Eagle Ford Shale in southern Texas, the Marble Falls play in the Fort Worth Basin in northern Texas, and the Mississippi Lime play in northwestern Oklahoma. Additionally, Atlas Energy invests in master limited partnerships and qualifying energy-related businesses and assets.
EV Energy Partners, L.P.(Harvest oil & gas)
Private Equity Round in 2007
EV Energy Partners is an oil and gas company that deals in the mining and drilling of oil & gas.
National Specialty Alloys
Private Equity Round in 2007
National Specialty Alloys is a company that specializes in the processing and distribution of premium stainless steel and nickel alloy bars and shapes. With a diverse inventory of nickel alloys, the company is equipped to meet a wide range of customer demands. By focusing on specialty alloys, National Specialty Alloys serves various industries that require high-quality materials tailored to specific applications. Their commitment to providing superior products positions them as a reliable partner for clients seeking expert solutions in the alloy market.
Balcones Energy
Private Equity Round in 2006
Balcones Energy is a development company designed to invest in the oilfield service and equipment sector with a particular focus on compression and artificial lift. The company's initial investment was in Precision Compression Services, which develops and produces compressor packages geared towards later life, low pressure, and/or low volume wells with an objective of lowering costs and improving well performance.
LINN Energy
Private Equity Round in 2006
LINN Energy is a Houston, Texas-based company specializing in the acquisition, exploration, and development of unconventional oil and natural gas reserves. It holds interests in approximately 150,000 net acres across the Merge, SCOOP, and STACK plays of the Anadarko Basin in Oklahoma. The company focuses on developing and acquiring long-lived properties within producing basins in the United States. LINN Energy has grown significantly since its inception in 2003, expanding from a few natural gas wells to becoming one of the top independent oil and gas companies in the U.S., with substantial proved reserves.
SandRidge Energy
Acquisition in 2006
SandRidge Energy, Inc. is an oil and natural gas company based in Oklahoma City, focused on the exploration, development, and production of crude oil, natural gas, and natural gas liquids. The company primarily operates in the Mid-Continent region and the North Park Basin of the United States, where it has a significant presence with over 1,000 net producing wells and approximately 511,000 net acres under lease. SandRidge Energy is known for its expertise in drilling low-risk, conventional oil wells, particularly in shallow carbonate reservoirs, and is a key developer of the Mississippian Oil Play. As of the end of 2019, the company reported total estimated proved reserves of approximately 89.9 million barrels of oil equivalent. SandRidge Energy has faced challenges, including a bankruptcy filing in May 2016, but continues to operate with a commitment to its business and community engagement.