Cardinal Energy Group
OTCMKTS:CEGXCardinal Energy Group, Inc. engages in the exploration, development, exploitation, and production of oil and natural gas in the United States. It owns various working interests in oil and gas leases located in Texas. The company sells its oil and gas products to domestic purchasers of oil and gas production. Cardinal Energy Group, Inc. was incorporated in 2007 and is based in Abilene, Texas.
GeoPetro Resources
OTCMKTS:GEORGeoPetro Resources Co. is an independent oil and natural gas company, which engages in exploration, development, drilling and production of oil and gas properties. It holds interest in Madisonville, Lokern and Cook Inlet projects. The company was founded by Stuart J. Doshi in August 1994 and is headquartered in San Francisco, CA.
ION Geophysical
NYSE:IOION Geophysical Corporation provides data-driven decision-making to offshore energy, and ports, and defense industries worldwide. The company operates through two segments, E&P Technology & Services and Operations Optimization. The E&P Technology & Services segment creates digital data assets and delivers services to help E&P companies improve decision-making and reduce risk. This segment includes two synergistic groups, imaging and reservoir services, and ventures. The company's Imaging and Reservoir Services group provides data processing, imaging, and reservoir services that improve image quality and subsurface insights, helping E&P companies reduce exploration and production risk, evaluate and develop reservoirs, and increase production. Its Imaging and Reservoir Services group develops and applies proprietary processing algorithms through its imaging engine to data owned or licensed by its customers to translate raw data into subsurface images. The Operations Optimization segment develops mission-critical subscription offerings and provides engineering services that enable operational control and optimization offshore. This segment includes the company's Optimization Software & Services and Devices offerings. The company's Optimization Software & Services group provides survey design, command, and control software systems and related services for marine towed streamer and seabed operations. Its Devices offerings group develops intelligent equipment controlled by its software to optimize operations. The company sells its services and products through a direct sales force consisting of employees and international third-party sales representatives. ION Geophysical Corporation was formerly known as Input/Output, Inc. and changed its name to ION Geophysical Corporation in 2007. The company was founded in 1968 and is headquartered in Houston, Texas. On April 12, 2022, ION Geophysical Corporation along with its affiliates, filed a voluntary petition for reorganization under Chapter 11 in the U.S. Bankruptcy Court for the Southern District of Texas.
ReoStar Energy
OTCMKTS:REOSReoStar Energy Corporation engages in the exploration, development, and acquisition of oil and gas properties primarily in Texas. It owns approximately 9,000 acres of leasehold, which include 5,000 acres of exploratory and developmental prospects, as well as 4,000 acres of enhanced oil recovery prospects. The company was formerly known as Goldrange Resources, Inc. and changed its name to ReoStar Energy Corporation in November 2004. ReoStar Energy Corporation was incorporated in 2004 and is headquartered in Fort Worth, Texas.
Saratoga Resources
OTCMKTS:SARASaratoga Resources, Inc., an independent oil and natural gas company, acquires, exploits, develops, and produces crude oil and natural gas properties in the United States. Its properties consist of approximately 51,500 acres under leases, including 31,700 acres gross/net located in the transitional coastline in protected in-bay environments on parish and state leases in south Louisiana; and 19,800 acres gross/net under federal leases in the shallow Gulf of Mexico shelf. As of December 31, 2014, the company had proved reserves of 10.2 million barrels of crude oil equivalent (MMBoe), including 5.8 million barrels of oil (MMBbls), and 26.6 billion cubic feet (Bcf) of natural gas; and 25.9 MMBoe comprising of 10.4 MMBbls, and 93.2 Bcf of natural gas. Saratoga Resources, Inc. was founded in 1990 and is headquartered in Houston, Texas.