CAMPBELL

Oil // district 1 // lease#15900

op: RIO-TEX, INC.

cum_oil

938 BBL

cum_gas

0 MCF

wells

1

production

2010-11 — 2014-03

peak_month

2010-11

-- production_history

cum_oil: 938 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

194 BBL/mo

Di (annual)

981.9%

b-factor

1.6

EUR

4,429 BBL

R-squared

0.756

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2RIO-TEX, INC.16,0002010-06-14
EOF // data source: Texas Railroad Commission // 2026