SAN DIEGO - November 21, 2011 (Investorideas.com Energy Newswire) Osage Exploration and Development, Inc. (OTCBB: OEDV) announced today that it has increased its land position targeting the Mississippian Lime in the Nemaha Ridge project to 20,000 net acres. Osage also announced the commencement of drilling its first salt water disposal well on the Company�s prospect by Slawson Exploration Company, the Operator and 45% owner of the project. Osage retains 25% ownership and a third partner, US Energy Development Corporation, owns 30%.

 This is the final precedent step to drilling the first Horizontal Mississippian well on the prospect acreage.

 "The culmination of our scientific work, land acquisition, and Slawson Exploration's well planning and design takes on an immediate relevance to the Osage shareholder," stated Kim Bradford, Chairman and CEO of Osage Exploration and Development. �Based on the success in the Mississippian by SandRidge Energy, Chesapeake Energy, Range Resources, Devon Energy, Continental Resources, Eagle Energy, and others, we are moving forward aggressively and confidently with drilling our block.�

For a visual depiction of the horizontal drilling technique that will be utilized in the Nemaha Ridge project, click on the video link below:

http://www.osageexploration.com/video/index.htm

About Osage Exploration and Development, Inc.

Based in San Diego, California, with production offices in Oklahoma City, Oklahoma, and executive offices in Bogot�, Colombia, Osage Exploration and Development, Inc. is an independent exploration and production company with interests in oil and gas wells and prospects in the U.S. and Colombia. www.osageexploration.com

About Slawson Exploration Company, Inc.

Headquartered in Wichita, Kansas, with regional offices in Denver, Houston, and Oklahoma City, Slawson began oil and gas exploration in 1957. http://www.slawsoncompanies.com/exploration.html

About U.S. Energy Development Corporation

U.S. Energy Development Corporation was formed in 1980 as a successor to Oilmark & Company, Inc., founded in 1978. The company has consistently been ranked among the Top 50 Independent Oil & Natural Gas Drillers in the United States and is one of the largest drillers in both New York and Pennsylvania. Since 1980, U.S. Energy has acted as operator with respect to the drilling of more than 2,500 wells. www.usedc.com

Safe Harbor Statement

The information in this release includes certain forward-looking statements as defined by the Securities and Exchange Commission that are based on assumptions that in the future may prove not to have been accurate. Those statements and Osage Exploration and Development, Inc. are subject to a number of risks, including production variances from expectations, volatility of product prices, inability to raise sufficient capital to fund its operations, environmental risks, competition, government regulation, and the ability of the Company to execute its business strategy, among others.

Contact:

Osage Exploration and Development, Inc.

Kim Bradford, President and CEO

Phone: 619-677-3956

Fax: 619-677-3964

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www.osageexploration.com

or

Portage Equity Market Advisors, LLC

Jack Zedlitz, Managing Advisor

Phone: 405-230-1182

This email address is being protected from spambots. You need JavaScript enabled to view it.

www.portagellc.com

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Disclosure : (6 months starting May 24, 2011 thirty five hundred per month, 100,000 144 shares)