PRYOR (CADDO CONGLOMERATE) UNIT

Oil · District 09 · Lease #24499

Operator: WHISKEY RIVER OIL & GAS LLC

Cum Oil

167k BBL

Cum Gas

340k MCF

casinghead

Wells

13

Production

1993-01 — 2026-04

Peak Month

1994-03

Production History

Cum Oil: 166,970 BBL Cum Gas: 339,853 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

991 BBL/mo

Di (annual)

11.9%

b-factor

0.6

EUR

159,485 BBL

R-squared

0.683

type

hyperbolic

Operator History (from monthly production reports)

2025-10 — 2026-07 SCHALK OIL COMPANY, INC. 10 mo
2023-02 — 2025-09 CROCKETT OPERATING, LLC 32 mo
2019-07 — 2023-01 WHISKEY RIVER OIL & GAS LLC 43 mo
2002-11 — 2019-06 CD CONSULTING & OPERATING CO. 200 mo
2002-04 — 2002-10 DEVON ENERGY OPERATING CO., L.P. 7 mo
2001-01 — 2002-03 MITCHELL ENERGY COMPANY L.P. 15 mo
1993-01 — 2000-12 MITCHELL ENERGY CORPORATION 96 mo

Wells (13)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
701SCHALK OIL COMPANY, INC.26,0002006-06-02
102SCHALK OIL COMPANY, INC.36,0001993-07-14
706SCHALK OIL COMPANY, INC.16,0001988-06-28
704USCHALK OIL COMPANY, INC.36,3001988-01-25
707SCHALK OIL COMPANY, INC.26,1001987-12-09
705SCHALK OIL COMPANY, INC.16,0001985-01-15
802SCHALK OIL COMPANY, INC.16,0001985-01-15
803SCHALK OIL COMPANY, INC.16,0001985-01-15
702SCHALK OIL COMPANY, INC.26,0001984-09-17
801SCHALK OIL COMPANY, INC.15,8901984-09-14
703 USCHALK OIL COMPANY, INC.16,3001983-04-11
601SCHALK OIL COMPANY, INC.26,2501978-08-09
501SCHALK OIL COMPANY, INC.16,0001977-09-22