GRAHAM

Oil · District 7B · Lease #28668

Operator: HOLLEY OPERATING, L. L. C.

Cum Oil

43k BBL

Cum Gas

0 MCF

Wells

4

Production

1999-09 — 2025-04

Peak Month

2001-03

Production History

Cum Oil: 43,402 BBL Cum Gas: 0 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

531 BBL/mo

Di (annual)

15.5%

b-factor

0.0

EUR

41,013 BBL

R-squared

0.850

type

exponential

Operator History (from monthly production reports)

2004-03 — 2025-07 HOLLEY OPERATING, L. L. C. 257 mo
1999-09 — 2004-02 GRAHAM, TOM DRILLING CO. 54 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4HOLLEY OPERATING L. L. C.12,2002001-11-28
3HOLLEY OPERATING L. L. C.12,2002000-07-06
2HOLLEY OPERATING L. L. C.12,2002000-01-26
1HOLLEY OPERATING L. L. C.12,2001999-06-02