CHAPARRAL -A-

Oil · District 08 · Lease #27294

Operator: TWO BLACK BEARS OIL, INC.

Cum Oil

147k BBL

Cum Gas

89k MCF

casinghead

Wells

4

Production

1993-01 — 2026-04

Peak Month

1999-04

Production History

Cum Oil: 146,821 BBL Cum Gas: 88,719 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

682 BBL/mo

Di (annual)

4.6%

b-factor

0.0

EUR

159,549 BBL

R-squared

0.787

type

exponential

Operator History (from monthly production reports)

2026-03 — 2026-07 BLUE ARROW OPERATING, LLC 5 mo
2025-01 — 2026-02 DIAMONDBACK E&P LLC 14 mo
2005-08 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 233 mo
2003-11 — 2005-07 MCCABE ENERGY, INC. 21 mo
2001-05 — 2003-10 BRECK OPERATING CORP. 30 mo
1998-01 — 2001-04 TWO BLACK BEARS OIL, INC. 40 mo
1993-01 — 1997-12 SOUTHWEST ROYALTIES, INC. 60 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4BLUE ARROW OPERATING, LLC15,5002004-07-23
1BLUE ARROW OPERATING, LLC27,2001983-02-02
3BLUE ARROW OPERATING, LLC15,5001982-11-09
2BLUE ARROW OPERATING, LLC17,2001981-06-30