GRAHAM UNIT

Oil · District 06 · Lease #12892

Operator: VINTAGE PETROLEUM, INC.

Cum Oil

20k BBL

Cum Gas

68 MCF

casinghead

Wells

1

Production

1993-01 — 2016-07

Peak Month

2001-09

Production History

Cum Oil: 19,527 BBL Cum Gas: 68 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

108 BBL/mo

Di (annual)

382.0%

b-factor

1.5

EUR

3,800 BBL

R-squared

0.319

type

hyperbolic

Operator History (from monthly production reports)

2020-01 — 2020-04 ROSE CITY RESOURCES, LLC 4 mo
1999-09 — 2019-12 BROOKS PETROLEUM COMPANY 244 mo
1993-01 — 1999-08 VINTAGE PETROLEUM, INC. 80 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1ROSE CITY RESOURCES, LLC17,5251991-03-25