Exploration and Development of Oil and Natural Gas
Our current focus is on responsible development, leveraging cutting-edge technology and applying decades of experience to maximize the recovery of oil and gas for optimum financial returns.

Areas of Operation
Rio is currently exploring and producing oil and gas in the Anadarko Basin (Texas Panhandle and Western Oklahoma), the Hardeman Basin (North Texas), Delaware Basin (West Texas), the Fayetteville Basin (Arkansas) and the Utica Basin (Ohio).

Delivering Value in the Anadarko Basin
The Anadarko Basin is a cornerstone of Rio Petroleum's operations. With years of experience in this prolific region, we have developed a knowledge base and a strong portfolio of assets. Our commitment to innovation and operational excellence drives our continued success.

A small, oil-rich basin in North Central Texas
Although the basin's rock volume is dominated by Pennsylvanian and Permian shales and sandstone, the basin's hydrocarbon production is mainly oil from the lower Mississippian carbonates. The Hardeman Basin is part of the Bend Arch-Fort Worth Basin Province, which is drained by the Colorado, Brazos, and Pease Rivers

Horizontal drilling and multi-zone developments are being used to unlock the vast resources that remain in this historic oil and natural gas field
Current focus is in the oil-rich Wolfcamp, Bone Spring, and Delaware formations (section thickness approx. 4,000’). Drilling activity is yielding phenomenal production, driving high-margin growth for the company. Rio’s mineral position is an amazing platform for future growth.

The natural gas giant below the Marcellus with stacked plays in the Appalachian Basin produce multiple oil and natural gas pay zones
Most of the drilling activity in the Utica Shale has occurred in eastern Ohio. The Utica Shale is proving to be rich in oil and natural gas liquids. The Ohio Department of Natural Resources estimates a recoverable Utica Shale potential between 1.3 and 5.5 billion barrels of oil and between 3.8 and 15.7 trillion cubic feet of natural gas. The thickness of the Utica Shale is variable. Throughout most of its extent, it ranges in thickness from less than 100 feet to over 300 feet.

A dry natural gas reservoir located in the Arkoma basin of north central Arkansas.
One of the first U.S. shale plays to be developed en masse, the Fayetteville is a black organic-rich rock of Mississippian age that underlies much of northern Arkansas and adjacent states.
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