FOSTER, J. R.

Oil · District 04 · Lease #1183

Operator: RANGE PRODUCTION COMPANY

Cum Oil

80k BBL

Cum Gas

351k MCF

casinghead

Wells

15

Production

1993-01 — 2024-12

Peak Month

1998-01

Production History

Cum Oil: 79,903 BBL Cum Gas: 350,903 MCF

RRC production reported through Apr 2026 · recent months incomplete

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

Operator History (from monthly production reports)

2017-08 — 2026-07 HILCORP ENERGY COMPANY 108 mo
2017-05 — 2017-07 LINN OPERATING, LLC 3 mo
2014-08 — 2017-04 LINN OPERATING, INC. 33 mo
2006-01 — 2014-07 DEVON ENERGY PRODUCTION CO, L.P. 103 mo
2003-09 — 2005-12 DEVON LOUISIANA CORPORATION 28 mo
2001-03 — 2003-08 OCEAN ENERGY, INC. 30 mo
1999-07 — 2001-02 CLIFFWOOD PRODUCTION CO. 20 mo
1998-09 — 1999-06 RANGE PRODUCTION COMPANY 10 mo
1994-06 — 1998-08 LOMAK PRODUCTION COMPANY 51 mo
1993-01 — 1994-05 GILLRING OIL COMPANY 17 mo

Wells (15)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
19HILCORP ENERGY COMPANY18,0002006-02-06
41HILCORP ENERGY COMPANY15,2501991-09-26
58HILCORP ENERGY COMPANY15,4001978-10-20
57HILCORP ENERGY COMPANY15,3631978-09-26
49HILCORP ENERGY COMPANY15,3001978-09-19
50HILCORP ENERGY COMPANY17,5001977-08-04
1442-131-11087HILCORP ENERGY COMPANY------
1542-131-00193HILCORP ENERGY COMPANY------
2042-131-00135HILCORP ENERGY COMPANY------
2542-131-00137HILCORP ENERGY COMPANY------
2942-131-00169HILCORP ENERGY COMPANY------
3442-131-00173HILCORP ENERGY COMPANY------
3942-131-00140HILCORP ENERGY COMPANY------
4342-131-00186HILCORP ENERGY COMPANY------
4742-131-32008HILCORP ENERGY COMPANY------