SEI Operating, LLC is a highly successful, fully integrated oil and gas exploration and production company located on the Northshore of New Orleans in Mandeville, Louisiana. 

We provide comprehensive drilling, completion, stimulation engineering and field supervision services for energy-related properties throughout the United States.  Our operating areas are characterized by long-lived natural gas and oil reserves and established production capabilities with abundant growth opportunities.

SEI’s success comes as a result of using the most advanced research methods to identify drilling prospects and timely property acquisitions.  In addition, SEI’s consultants and staff are highly skilled professionals that are well known industry leaders in drilling for oil and natural gas.


Our very competent and experienced team collectively bring more than 170 years of hands-on oil and gas experience. Our geologists and engineers generate drilling prospects using petroleum geology, 2-D and 3-D geophysical techniques as well as the most advanced petroleum engineering techniques. 

Particular strengths in Field Management, Petroleum Geology, Exploration, Acquisition and Reworking wells in well-known oil and gas fields previously discovered by the majors such as Chevron, Shell Oil, Exxon and Gulf Oil.  SEI is well positioned to capitalize on extraordinary opportunities in the business of reworking mature oil and gas wells.

SEI currently operates in Louisiana, Mississippi, and Texas.  SEI’s Services Include:
- Field Development planning, installation & operation 
- Project cost & management 
- Secondary & tertiary recovery processes 
- Supervision of all business phases through completion & re-entries


Oil prices hit highest level in 7 months

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Oil Extends Gain from Three Month High on Falling US Output

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Oil Price Rally Continues, Hitting 2016 High

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Recent Flooding in Louisiana

Our thoughts and prayers here at Shale go out to the homes and families affected by the South Louisiana flooding devestation of August 2016. Find out how to help flood victims and the communities affected by the flood by following this link.

Help The Victims
  • Shale Energy International commends the efforts of individuals and groups that are helping communities and the many victims affected by the recent flooding in South Louisiana. We are committed to our home state and lending our support in the recovery efforts taking place. If you would like to lend assistance in any way, by providing goods or services, and/or making a monetary contribution to the efforts, please visit this link for more information.(Donate to LA Flood Victims Here)
    Thank you from your friends at Shale Energy International.


L.P. Brown, iii


(985) 246-3026 

1070-B W. Causeway Approach
Mandeville, LA 70471