YATES

Oil // district 13 // lease#26358

op: M-B OPERATING CO., INC.

cum_oil

21k BBL

cum_gas

0 MCF

wells

1

production

1993-01 — 2026-03

peak_month

2001-05

-- production_history

cum_oil: 20,826 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

361 BBL/mo

Di (annual)

129.6%

b-factor

1.2

EUR

17,884 BBL

R-squared

0.434

type

hyperbolic

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2602UHOLDEN ENERGY CORPORATION213,0501986-04-08
EOF // data source: Texas Railroad Commission // 2026