Accounting Department
Norma Pratt - Accountant

Norma Pratt joined Rio Petroleum, Inc in January
of 1987 as the Receptionist.  During the last 30
years she has worked as Production Analyst,
Division Order Analyst and Administrative
Assistant to Barrett W. Pierce.  Norma was
moved to the Accounting Department as a Staff
Accountant in 2005.  Norma graduated from
Caprock High School and continues to take
courses in Business and Accounting at Amarillo
College.  She has been a member of the Desk and
Derrick Club of Amarillo for 23 years.
Michelle Nava - Accountant

Mrs. Nava began her oil & gas career as a Staff Accountant
with Rio after graduating in 2005 from West Texas A&M
University with a BBA in Accounting.  In 2013, she
graduated from West Texas A&M University with a
Masters in Professional Accounting.  Throughout her
combined 14 years with Rio, she has been an active
member of the Desk and Derrick Club of Amarillo and has
served in several positions on the board.  Mrs. Nava’s
duties include aspects of the revenue, joint interest,
accounts receivable, accounts payable, financial reporting
and tax reporting processes of multiple entities.  In
addition to her oil and gas experience, Mrs. Nava
accounting duties have also included agriculture and she
completed the Master Marketer and TEPAP Unit 1 through
Texas A&M Agrilife Extension in 2016.