SOUTHEAST LUTHER/FUSSELMAN/ UNIT

Oil // district 10 // lease#20583

op: WALSH & WATTS, INC.

cum_oil

5.1M BBL

cum_gas

0 MCF

wells

42

production

1993-01 — 2026-03

peak_month

1997-09

-- production_history

cum_oil: 5,076,936 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

19,362 BBL/mo

Di (annual)

6.8%

b-factor

1.2

EUR

5,300,308 BBL

R-squared

0.657

type

hyperbolic

-- wells (42)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2502CHESAPEAKE OPERATING, INC.112,0002005-08-25
1302CHESAPEAKE OPERATING, INC.112,0002005-08-17
502WICHESAPEAKE OPERATING, INC.110,5002005-01-26
801WICHESAPEAKE OPERATING, INC.110,5002005-01-26
902CHESAPEAKE OPERATING, INC.310,5002005-01-26
903CHESAPEAKE OPERATING, INC.210,5002005-01-26
1003CHESAPEAKE OPERATING, INC.110,5002005-01-04
603CHESAPEAKE OPERATING, INC.110,5002005-01-04
2802EP OPERATING LIMITED PARTNERSHIP210,1001994-11-23
2802HEP OPERATING LIMITED PARTNERSHIP210,1001994-11-23
2802HWEP OPERATING LIMITED PARTNERSHIP210,1001994-11-23
2303EP OPERATING COMPANY210,0001990-05-23
2901EP OPERATING COMPANY110,1001987-05-19
3002EP OPERATING COMPANY110,1001987-05-19
2605EP OPERATING COMPANY110,0001987-02-23
2602XENSERCH OIL COMPANY110,0001984-03-12
2604ENSERCH OIL COMPANY110,0001984-02-17
2604WENSERCH OIL COMPANY110,0001984-02-17
2103ENSERCH EXPLORATION, INC110,0001982-01-21
2103WENSERCH EXPLORATION, INC110,0001982-01-21
2203ENSERCH OIL COMPANY110,0001982-01-21
2603ENSERCH EXPLORATION, INC110,0001981-12-31
1904WENSERCH EXPLORATION, INC110,0001981-08-24
1001W42-227-03675--------
100242-227-04365--------
1301WS42-227-03652--------
140142-227-03674--------
1501WS42-227-03658--------
150242-227-03659--------
1701W42-227-03677--------
180242-227-01961--------
2101W42-227-03253--------
210242-227-03254--------
220142-227-01965--------
220242-227-01966--------
2301X42-227-30710--------
240142-227-04284--------
260142-227-04068--------
2801W42-227-01968--------
300142-227-01962--------
50142-227-03665--------
60142-227-03663--------
EOF // data source: Texas Railroad Commission // 2026