RIO RICKS UPPER MORROW UNIT

Oil // district 14 // lease#7181

op: RIO PETROLEUM, INC.

cum_oil

214k BBL

cum_gas

0 MCF

wells

10

production

1996-08 — 2026-03

peak_month

2011-03

-- production_history

cum_oil: 214,348 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

4,566 BBL/mo

Di (annual)

41.7%

b-factor

0.2

EUR

164,083 BBL

R-squared

0.925

type

hyperbolic

-- wells (10)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
702RIO PETROLEUM, INC.18,7502002-03-28
602RIO PETROLEUM, INC.28,6501995-12-05
701WALKER, ROBERT EXPLORATION, INC.18,6501987-12-14
801WOODS PETROLEUM CORPORATION29,0001986-07-15
601ABRAHAM, MALOUF INC.18,6001983-02-18
301FALCON PETROLEUM CO.18,4501982-05-18
101TXO PRODUCTION CORP.18,8001982-01-29
201KERR-MCGEE CORPORATION29,3001980-08-22
501RICKS EXPLORATION CO.19,1001980-01-28
202RICKS EXPLORATION CO.19,1001979-12-20
EOF // data source: Texas Railroad Commission // 2026