Post Oak Energy Capital

Layne Water Midstream Holdings, LLC specializes in providing comprehensive water services to upstream oil and gas companies, primarily in the Delaware and Midland basins. Founded in 2016 and based in The Woodlands, Texas, the company focuses on water collection, recycling, and disposal, offering solutions that include produced water gathering, source water delivery, and water treatment. Layne Water Midstream operates significant infrastructure for water sourcing and management, underpinned by exclusive long-term contracts with key customers and landowners, including state organizations. This strategic positioning enables the company to support its clients effectively in their upstream operations and aims for further growth in the region.

Prime Downhole Manufacturing is an engineering company that provides machining, fabrication, and services to the oil, gas, and aerospace industries. The company offers machine maintenance and calibration programs with in-house or field repair services. Prime Downhole Manufacturing was established in 2015 and is headquartered in Houston, TX.

Saxet III Minerals is a privately held oil and gas company based in Houston, Texas, specializing in the acquisition and management of mineral and royalty interests across the United States. The company actively seeks opportunities to acquire both working interests and mineral interests, leveraging the expertise of industry veterans to generate exploration projects in various basins. Saxet's operations encompass investments not only in oil and gas but also in related sectors, including metals and minerals. Through its strategic approach, Saxet aims to enhance its portfolio and drive growth in the energy market.

Layne Water Midstream Holdings, LLC specializes in providing comprehensive water services to upstream oil and gas companies, primarily in the Delaware and Midland basins. Founded in 2016 and based in The Woodlands, Texas, the company focuses on water collection, recycling, and disposal, offering solutions that include produced water gathering, source water delivery, and water treatment. Layne Water Midstream operates significant infrastructure for water sourcing and management, underpinned by exclusive long-term contracts with key customers and landowners, including state organizations. This strategic positioning enables the company to support its clients effectively in their upstream operations and aims for further growth in the region.

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 assets. Recently, Sierra Resources has concentrated its efforts on the Eagle Ford Shale, focusing on the acquisition and development of oil and gas reserves in this region.

Nadel and Gussman is a fourth-generation, family-owned independent oil and gas production and exploration company based in Tulsa, Oklahoma, with a history spanning over 70 years. Founded by Isadore Nadel in the 1920s, the company originally focused on shallow oil investments and has since expanded its operations across various regions in the United States, including the Mid-continent, ArkLaTex, and Permian basins. The leadership team, which includes Stephen Heyman and Jim Adelson, emphasizes ethical business practices and innovation in oil production. Nadel and Gussman employs environmentally safe methods, concentrating on both operated and non-operated opportunities that utilize horizontal drilling and completion technology in both conventional and unconventional plays. The company has made significant contributions to the oil industry and the local community throughout its history.

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, LLC is a midstream company established in 2013 and headquartered in Midland, Texas. It specializes in developing, acquiring, owning, and operating midstream assets primarily in the Permian Basin region. The company provides a comprehensive range of midstream services, including natural gas gathering, compression, treating, processing, as well as crude oil gathering, handling, and transportation. Additionally, Oryx offers transportation services for natural gas liquids. By focusing on the needs of oil and gas producers in the United States, Oryx Midstream Services aims to be a strategic partner, delivering tailored solutions to enhance operational efficiency. The company is backed by a team with over 145 years of combined experience in the energy sector.

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.

Tri-C Resources Inc. is an oil and gas exploration and production company based in Houston, Texas, founded in 1985. The company focuses on the acquisition, development, and exploration of both domestic and foreign energy properties, particularly in the Texas Gulf Coast region. Tri-C Resources specializes in the drilling, completion, and production of oil and gas wells, utilizing advanced exploration technologies to enhance its operations. The company is primarily engaged in the development of unconventional assets, aiming to leverage its expertise to maximize resource extraction and efficiency.

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 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 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 LLC, an oil and gas company, focuses on the exploitation of mature unconventional plays. It focuses on acquiring acreage and existing wells and optimizing production through a combination of recompletions, new development, and infill development. The company was founded in 2015 and is headquartered in Houston, Texas.

Rimrock Resource Partners is an oil and energy company established in 2015 and headquartered in Tulsa, Oklahoma. The company specializes in the acquisition, development, and exploration of oil and gas assets, primarily focusing on the Mid-Continent region. Rimrock Resource Partners offers a range of services that include oil transportation, well site management, water transportation, crude oil marketing, and contract pumping, among others. By facilitating the distribution of energy, the company aims to support clients in the energy sector and enhance their operational efficiency.

PetroEdge Energy III, LLC, an independent energy company, engages in the acquisition, exploration, and exploitation of unconventional natural gas and crude oil properties. Its activities are focused on the lower Eagleford in Brazos and Burleson Counties, Texas. The company is also developing an inventory of opportunities in the Cretaceous Shelf Margin. PetroEdge Energy III, LLC was incorporated in 2004 and is based in Houston, Texas.

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, LLC is a midstream company established in 2013 and headquartered in Midland, Texas. It specializes in developing, acquiring, owning, and operating midstream assets primarily in the Permian Basin region. The company provides a comprehensive range of midstream services, including natural gas gathering, compression, treating, processing, as well as crude oil gathering, handling, and transportation. Additionally, Oryx offers transportation services for natural gas liquids. By focusing on the needs of oil and gas producers in the United States, Oryx Midstream Services aims to be a strategic partner, delivering tailored solutions to enhance operational efficiency. The company is backed by a team with over 145 years of combined experience in the energy sector.

CPX Piceance is a natural resource development company established in 2014 and headquartered in Houston, Texas. The company is primarily engaged in the exploration and operation of oil and gas assets, with a notable presence in the Piceance Basin, Denver-Julesburg Basin, and East Texas. CPX Piceance has a substantial portfolio of non-operated oil and gas interests, particularly in the DJ and Powder River Basins. The company focuses on enhancing the value of its energy assets through strategic drilling initiatives and acquiring additional acreage at favorable prices, thereby contributing to the advancement of natural resource development within the energy sector.

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.

PetroEdge Energy III, LLC, an independent energy company, engages in the acquisition, exploration, and exploitation of unconventional natural gas and crude oil properties. Its activities are focused on the lower Eagleford in Brazos and Burleson Counties, Texas. The company is also developing an inventory of opportunities in the Cretaceous Shelf Margin. PetroEdge Energy III, LLC was incorporated in 2004 and is based in Houston, Texas.

Maverick Brothers Energy specializes in the exploration and production of oil and natural gas properties, primarily focusing on horizontal development in western Oklahoma. Founded in 1998 and headquartered in Enid, Oklahoma, the company aims to enhance its existing leasehold through investment proceeds while also pursuing the acquisition of additional oil and gas assets. Maverick Brothers Energy is dedicated to the strategic management and development of its producing properties, positioning itself as a significant player in the energy sector.

Refinery Specialties is an oilfield service company that specializes in formulating and manufacturing a range of customized specialty chemicals for the oil and gas industry. Their product offerings include surfactants, foaming agents, biocides, paraffin inhibitors, and emulsion breakers, which are essential for oilfield production and processing. In addition to manufacturing, the company provides technical support and comprehensive monthly monitoring and reporting to help clients optimize chemical usage, identify problem areas, and ensure proper dosing, ultimately justifying the costs associated with their chemical programs. Refinery Specialties serves various sectors, including production, pipeline, refinery, and gas plants, focusing on delivering cost-effective solutions tailored to meet industry needs.

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 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 is an oilfield service company that specializes in formulating and manufacturing a range of customized specialty chemicals for the oil and gas industry. Their product offerings include surfactants, foaming agents, biocides, paraffin inhibitors, and emulsion breakers, which are essential for oilfield production and processing. In addition to manufacturing, the company provides technical support and comprehensive monthly monitoring and reporting to help clients optimize chemical usage, identify problem areas, and ensure proper dosing, ultimately justifying the costs associated with their chemical programs. Refinery Specialties serves various sectors, including production, pipeline, refinery, and gas plants, focusing on delivering cost-effective solutions tailored to meet industry needs.

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.

Provider of oilfield services across the United States. The company offers a range of services, including workover, plug and abandonment, fluid management, hydraulic fracturing, well-servicing rigs, tank rentals and fluid transfer.

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.

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.

Chaparral Energy, Inc. engages in the acquisition, exploration, development, production, and operation of oil and natural gas properties primarily in Oklahoma, the United States. The company sells crude oil, natural gas, and natural gas liquids primarily to refineries and gas processing plant. Its 210,000 net surface acres are located in the Mid-Continent region, approximately 122,000 net acres are located in the STACK play primarily in Canadian, Kingfisher, and Garfield counties. As of December 31, 2019, the company’s estimated proved oil and natural gas reserves were 96.6 million barrels of crude oil equivalent; and had an interest in 2,782 gross producing wells, including 866 gross company operated wells. Chaparral Energy, Inc. was founded in 1988 and is headquartered in Oklahoma City, Oklahoma.

RAM Energy Resources is an oil and gas company focused on the development and acquisition of oil and natural gas properties. The company focused its efforts in Texas, Louisiana, and Oklahoma where it managed and developed oil and gas properties while seeking acquisition opportunities, since 1987.

National Specialty Alloys a specialty alloy processor and distributor of premium stainless steel and nickel alloy bars and shapes.

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 Group, LLC is engaged in the development and production of natural gas, crude oil, and natural gas liquids across various regions in the United States. The company has significant interests in the Eagle Ford Shale in southern Texas, the Marble Falls play in the Fort Worth Basin, and the Mississippi Lime play in northwestern Oklahoma. Additionally, Atlas Energy focuses on the Appalachian Basin for its natural gas production. It sponsors and manages tax-advantaged investment partnerships to finance the exploration and development of its properties. Founded in 2011 and headquartered in Fort Worth, Texas, Atlas Energy aims to leverage its assets and partnerships to enhance its operational capabilities in the energy sector.

SandRidge Energy, based in Oklahoma City, engages in the exploration, development, and production of oil, natural gas, and natural gas liquids, primarily in the Mid-Continent and North Park Basin regions of the United States. The company focuses on drilling low-risk, conventional oil wells in shallow carbonate reservoirs and is recognized as a key developer of the Mississippian Oil Play. As of December 31, 2019, SandRidge operated 1,013 net producing wells and held approximately 511,000 net acres under lease, with total estimated proved reserves of 89.9 million barrels of oil equivalent. The company also participates in various business activities, including drilling and oil field services. In May 2016, SandRidge Energy filed for reorganization under Chapter 11 of the United States Bankruptcy Code.

LINN Energy is an independent oil and natural gas company based in Houston, Texas. The company focuses on the acquisition, exploration, and development of unconventional oil and natural gas reserves, primarily through its equity interest in Roan Resources LLC. LINN Energy holds interests in approximately 150,000 net acres within the Merge, SCOOP, and STACK plays of the Anadarko Basin in Oklahoma. As of December 31, 2013, the company had approximately 6.4 trillion cubic feet equivalent of proved reserves in producing U.S. basins. Through its strategic efforts, LINN Energy aims to maximize cash flow from a diverse portfolio of long-life oil and natural gas assets.

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.