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RIDDLE

Oil · District 8A · Lease #66352

Operator: VOSKAMP EXPLORATION, INC.

Fields: SPRABERRY

Cum Oil

42k BBL

Cum Gas

682 MCF

casinghead

Wells

2

Production

1993-01 — 2026-04

Peak Month

1994-11

Production History

Cum Oil: 41,518 BBL Cum Gas: 682 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

136 BBL/mo

Di (annual)

2.5%

b-factor

0.0

EUR

46,457 BBL

R-squared

0.302

type

exponential

Operator History (from monthly production reports)

2025-10 — 2026-07 PBEX-MCM OPERATING, LLC 10 mo
2024-06 — 2025-09 PBEX OPERATIONS, LLC 16 mo
2010-06 — 2024-05 MJB PRODUCTION COMPANY, INC. 168 mo
2008-06 — 2010-05 SLAPE OIL COMPANY, INC. 24 mo
2004-09 — 2008-05 I.B.O.C. 45 mo
1999-07 — 2004-08 FOURWAY OIL CO. 62 mo
1997-01 — 1999-06 TOSCO VENTURES INC 30 mo
1994-10 — 1996-12 A.K.C. OPERATING 27 mo
1993-01 — 1994-09 VOSKAMP EXPLORATION, INC. 21 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
242-115-32578PBEX-MCM OPERATING, LLC14,8001990-03-19
142-115-32515PBEX-MCM OPERATING, LLC13,9001989-03-03