< leases

SCHAEFFER, T.

Oil · District 01 · Lease #813

Operator: VINTAGE PETROLEUM, INC.

Fields: LARREMORE

Cum Oil

4k BBL

Cum Gas

36 MCF

casinghead

Wells

1

Production

1993-01 — 2011-03

Peak Month

1994-04

Production History

Cum Oil: 4,240 BBL Cum Gas: 36 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

63 BBL/mo

Di (annual)

25.6%

b-factor

0.0

EUR

2,921 BBL

R-squared

0.390

type

exponential

Operator History (from monthly production reports)

2011-12 — 2026-07 MAVERICK ENERGY GROUP, INC. 176 mo
2011-08 — 2011-11 BENCHMARK TEXAS PETROLEUM, LLC. 4 mo
1999-09 — 2011-07 CENTEX PIPE & EQUIPMENT, INC. 143 mo
1997-04 — 1999-08 VINTAGE PETROLEUM, INC. 29 mo
1996-08 — 1997-03 BURLINGTON RESOURCES OIL&GAS CO. 8 mo
1996-03 — 1996-07 MERIDIAN OIL INC. 5 mo
1993-07 — 1996-02 MERIDIAN OIL PRODUCTION INC. 32 mo
1993-01 — 1993-06 SCHLACHTER, DAVID A. 6 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
142-055-02966MAVERICK ENERGY GROUP INC.12,5002017-05-09