KEERAN ESTATE

Oil // district 2 // lease#2246

op: SUE-ANN OPERATING, L.C.

fields: KOONTZ (4750)

cum_oil

425k BBL

cum_gas

0 MCF

wells

9

production

1993-01 — 2026-03

peak_month

2007-03

-- production_history

cum_oil: 424,939 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

4,798 BBL/mo

Di (annual)

18.7%

b-factor

0.0

EUR

308,579 BBL

R-squared

0.875

type

exponential

-- wells (9)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
11SUE-ANN OPERATING, L.C.37,0002011-09-14
11RSUE-ANN OPERATING, L.C.37,0002011-09-14
10HART PETROLEUM SERVICES, INC15,3002006-06-02
2HART PETROLEUM SERVICES, INC37,2002006-05-05
9HART PETROLEUM SERVICES, INC15,3002006-04-20
3 AHART PETROLEUM SERVICES, INC25,3002004-12-02
8HART PETROLEUM SERVICES, INC25,3002004-12-02
6WOOD HI CO., INC.17,0001985-09-13
442-469-00211--------
EOF // data source: Texas Railroad Commission // 2026