ANP -135-

Oil // district 8 // lease#28713

op: RICHEY, RAY MANAGEMENT CO., INC.

cum_oil

17k BBL

cum_gas

0 MCF

wells

1

production

1999-12 — 2019-12

peak_month

2000-01

-- production_history

cum_oil: 16,593 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

2,326 BBL/mo

Di (annual)

602.1%

b-factor

1.3

EUR

45,963 BBL

R-squared

0.865

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1UMITCHELL ENERGY CORPORATION25,4001999-10-19
EOF // multi-state drilling data platform // 2026