STANALAND RANCH

Oil · District 7B · Lease #25123

Operator: REEF EXPLORATION, INC. (A-1)

Cum Oil

16k BBL

Cum Gas

31 MCF

casinghead

Wells

4

Production

1993-01 — 2002-08

Peak Month

1994-11

Production History

Cum Oil: 16,454 BBL Cum Gas: 31 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

434 BBL/mo

Di (annual)

46.1%

b-factor

0.0

EUR

11,268 BBL

R-squared

0.824

type

exponential

Operator History (from monthly production reports)

1995-08 — 2004-01 GRUY PETROLEUM MANAGEMENT CO. 102 mo
1993-01 — 1995-07 REEF EXPLORATION, INC. (A-1) 31 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3 RM. E. OPERATING & SERVICES, INC.13,9001991-04-22
3CGRUY PETROLEUM MANAGEMENT CO.13,8001989-11-10
3 BGRUY PETROLEUM MANAGEMENT CO.14,0001988-12-23
3GRUY PETROLEUM MANAGEMENT CO.14,0001988-09-20