ANP -137-

Oil // district 8 // lease#28331

op: RICHEY, RAY MANAGEMENT CO., INC.

cum_oil

27k BBL

cum_gas

0 MCF

wells

1

production

1997-10 — 2019-12

peak_month

1998-01

-- production_history

cum_oil: 26,632 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

2,594 BBL/mo

Di (annual)

254.5%

b-factor

0.5

EUR

24,029 BBL

R-squared

0.821

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1MITCHELL ENERGY CORPORATION15,4001997-09-17
EOF // multi-state drilling data platform // 2026