< leases

RYAN-LYON UNIT

Oil · District 03 · Lease #13608

Operator: SMITH BROTHERS OIL & GAS, INC.

Fields: CALDWELL (AUSTIN CHALK)

Cum Oil

8k BBL

Cum Gas

66k MCF

casinghead

Wells

1

Production

1993-01 — 1997-09

Peak Month

1993-03

Production History

Cum Oil: 8,023 BBL Cum Gas: 65,930 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

254 BBL/mo

Di (annual)

47.6%

b-factor

0.0

EUR

6,374 BBL

R-squared

0.633

type

exponential

Operator History (from monthly production reports)

2000-04 — 2001-03 SMITH BROTHERS OIL & GAS, INC. 12 mo
1999-04 — 2000-03 PETRA OLEUM CORP. 12 mo
1997-02 — 1999-03 COSTILLA ENERGY, INC. 26 mo
1996-06 — 1997-01 COSTILLA PETROLEUM CORPORATION 8 mo
1995-02 — 1996-05 PARKER & PARSLEY PRODUCING L.P. 16 mo
1994-10 — 1995-01 PARKER & PARSLEY DEVELOPMENT L.P 4 mo
1994-04 — 1994-09 BRIDGE OIL COMPANY, L. P. 6 mo
1993-01 — 1994-03 SANTA FE ENERGY RESOURCES, INC. 15 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
142-051-30823SMITH BROTHERS OIL & GAS INC.18,9001980-06-18