FOSTER, J. R.

Oil // district 4 // lease#1183

op: RANGE PRODUCTION COMPANY

cum_oil

80k BBL

cum_gas

0 MCF

wells

15

production

1993-01 — 2026-03

peak_month

1993-12

-- production_history

cum_oil: 79,903 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

625 BBL/mo

Di (annual)

9.3%

b-factor

0.0

EUR

79,870 BBL

R-squared

0.349

type

exponential

-- wells (15)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
19DEVON LOUISIANA CORPORATION18,0002006-02-06
41ARCO OIL & GAS CO.15,2501991-09-26
58ATLANTIC RICHFIELD CO.15,4001978-10-20
57ATLANTIC RICHFIELD CO.15,3631978-09-26
49ATLANTIC RICHFIELD CO.15,3001978-09-19
50ATLANTIC RICHFIELD CO.17,5001977-08-04
1442-131-11087--------
1542-131-00193--------
2042-131-00135--------
2542-131-00137--------
2942-131-00169--------
3442-131-00173--------
3942-131-00140--------
4342-131-00186--------
4742-131-32008--------
EOF // data source: Texas Railroad Commission // 2026