VASTAR-CASTILLO

Oil · District 03 · Lease #22669

Operator: PETROLEUM RESOURCE MANAGEMENT CO

Cum Oil

80k BBL

Cum Gas

58k MCF

casinghead

Wells

1

Production

1995-03 — 2006-07

Peak Month

1995-08

Production History

Cum Oil: 79,627 BBL Cum Gas: 58,069 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,568 BBL/mo

Di (annual)

38.8%

b-factor

0.0

EUR

79,338 BBL

R-squared

0.320

type

exponential

Operator History (from monthly production reports)

1998-09 — 2026-07 PARKWOOD PRODUCTION, INC. 335 mo
1995-03 — 1998-08 PETROLEUM RESOURCE MANAGEMENT CO 42 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1PARKWOOD PRODUCTION INC.18,0001994-08-09