BARNSDALL-WOLFE -B-

Oil · District 09 · Lease #34

Operator: HAYS, DAVID H.

Cum Oil

36k BBL

Cum Gas

19 MCF

casinghead

Wells

4

Production

1993-01 — 2026-04

Peak Month

2003-04

Production History

Cum Oil: 36,289 BBL Cum Gas: 19 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

134 BBL/mo

Di (annual)

4.6%

b-factor

0.0

EUR

31,560 BBL

R-squared

0.445

type

exponential

Operator History (from monthly production reports)

1996-01 — 2026-07 HAYS & CROKER PARTNERSHIP 367 mo
1993-01 — 1995-12 HAYS, DAVID H. 36 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
18HAYS & CROKER PARTNERSHIP11,4502011-03-17
17HAYS & CROKER PARTNERSHIP11,5001984-05-04
1242-009-80070HAYS & CROKER PARTNERSHIP------
442-009-10991HAYS & CROKER PARTNERSHIP------