SIBLEY

Oil · District 7B · Lease #24051

Operator: MEHAFFEY INVESTMENTS, INC.

Cum Oil

5k BBL

Cum Gas

2k MCF

casinghead

Wells

7

Production

1993-01 — 2001-02

Peak Month

1997-02

Production History

Cum Oil: 4,518 BBL Cum Gas: 1,834 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

298 BBL/mo

Di (annual)

325.3%

b-factor

0.4

EUR

1,777 BBL

R-squared

0.642

type

hyperbolic

Operator History (from monthly production reports)

2000-01 — 2005-07 BRAKA OPERATING, L.L.C. 67 mo
1999-02 — 1999-12 BRAKA OPERATING CO 11 mo
1996-06 — 1999-01 MEHAFFEY INVESTMENTS, INC. 32 mo
1993-01 — 1996-05 INTERNATIONAL BASIC RES., INC. 41 mo

Wells (7)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
I 1BRINTERNATIONAL BASIC RES. INC.14,0001988-11-23
11ABRAKA OPERATING L.L.C.19901987-05-21
10ABRAKA OPERATING L.L.C.19001987-02-26
9 ABRAKA OPERATING L.L.C.11,0001986-11-25
8 ABRAKA OPERATING L.L.C.11,0001986-09-02
2 AINTERNATIONAL BASIC RES. INC.11,0001985-03-21
1 AINTERNATIONAL BASIC RES. INC.11,3001985-01-28