Home Personnel Engineering Operations Software Contact Us

 

Personnel

Reuven Hollo
Reservoir and Acquisition Engineering

Dr. Hollo has founded and operated Sigma Energy Corporation since 1982.   He is also the President and founder of Aries Resources LLC a Houston based oil and gas company.  Dr. Hollo has a BSc from the University of Alberta, Canada, an MBA from the University of Houston and a PhD from the University of Texas in Austin.   He is a Professional Engineer registered in the state of Texas (PE).  Dr. Hollo has over 30 years of experience in the oil and gas industry specializing in oil and gas appraisal, acquisition and operations.  Dr. Hollo is an Adjunct Professor at the University of Houston teaching Petroleum Economics and Acquisitions. 

Steve Lockwood
Geological Engineering

Mr. Lockwood holds B.Sc degree in Geology from Arizona State University and a MSc In Petroleum Engineering from the University of Houston. He is a certified Petroleum Geologist . Mr. Lockwood has over 30 years of experience in the oil business. Previous employment includes Miller Energy (Exploration Manager), Transco Exploration Company (Senior Exploration Geologist), Capital Appraisal Group, Inc. (Petroleum Engineer/Appraiser), and Pend Orielle Oil and Gas Company (Staff Geologist).

Brandi Nolet
Accounting 

Ms. Nolet attended Texas Christian University and the University of Texas at Arlington. She has worked in the oil and gas industry since 1990 and has been employed by Sigma Energy since 1996.  Ms. Nolet has managed Sigmas’ accounting systems since Sigmas’ inception.

Stacey Moore
Administrative Assistant

Ms. Moore is currently pursuing an accounting degree at the University of Houston-Downtown. She has been working at Aries Operating LP since 1998. Starting as a receptionist, today, Ms. Moore maintains accounting, engineering and several other departments throughout in the company.

Carol Sumner
Information Technology - Software

Ms. Sumner has over 30 years experience in scientific computing and software development,  including working on a remote sensing contract for NASA/JSC and on the academic computing staff of Central Oklahoma University.  She has also served on the Board of Directors of the Geoshare User's Group, a petroleum data exchange standards organization.  She is a graduate of the University of Alabama.

Ali Daneshy
Operations - Hydraulic Fracturing
Daneshy Consultants International

Dr. Daneshy is recognized worldwide as a technical expert and pioneer in Hydraulic Fracturing.  Dr. Daneshy has over 38 years of industry experience in both the technology and application of Hydraulic Fracturing.  Dr. Daneshy has designed, and executed numerous fracturing treatments around the world.  He has been a technical advisor and consultant for oil and gas companies in the US, Middle East, Europe, and Africa.  Dr. Daneshy is a professor at the University of Houston and a recipient of the Society of Petroleum Engineers Distinguished Service award for contributions to Hydraulic Fracturing.    Dr.  Daneshy received his PHD from the University of Missouri-Rolla in 1969. 

Mark Mullinix
Operations and Production Management

Mr. Mullinix has over 30 years experience in the operation and reservoir management of oil and gas properties.  His experience includes operating onshore and offshore wells in the Permian Basin, Mid Continent, South and East Texas, Williston Basin, Michigan and Offshore Gulf of Mexico.  He has conducted drilling, workover, and stimulation operations.  His experience includes working for Apache, Ranger Oil, Aries Operating, El Paso and Phoenix Exploration.   He is a graduate of Texas A&I University (1975) where he received a BS in Engineering.