Carrizo Oil & Gas, Inc. is a Houston-based independent energy company engaged in the exploration, development and production of natural gas and oil. Carrizo stock is listed on NASDAQ under the symbol CRZO. Carrizo's operations are focused in the Barnett Shale area in North Texas and in proven, producing natural gas and oil geological trends along the onshore Gulf Coast in Texas and Louisiana, primarily in the Miocene, Wilcox, Frio, and Vicksburg trends. Carrizo also has continuing operations in proven productive trends along the onshore Gulf Coast in Texas and Louisiana.

The company has accumulated significant expertise in the drilling and completion of complex extended reach horizontal wells in resource shales. Their business strategy is to leverage this core competency in pursuing exploitation and development opportunities in the most prospective North American natural gas resource shale regions. This strategy has led to significant success in the Barnett Shale of the Fort Worth Basin where we are one of the lowest cost, fastest growing operators.

Contact Information for Royalty Owners - Tel. (713) 358-6490

Those who own gas royalties and oil royalties are an important group to Carrizo Oil & Gas. If you receive oil royalty or gas royalty from a lease under production by Carrizo Oil & Gas, you can contact them at (713) 358-6490.

Carrizo Oil & Gas Production Volume Verification

If you are a lease holder (lessor) currently under production by Carrizo Oil & Gas you can verify your oil and gas production volumes by visiting How to Verify Your Oil and Gas Production Volumes. This page includes links to the state agencies that record oil and gas production data and also covers the basics of how oil and gas is measured.