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MAIS UNIT

Oil · District 03 · Lease #12760

Operator: SMITH BROTHERS OIL & GAS, INC.

Fields: CALDWELL (AUSTIN CHALK)

Cum Oil

16k BBL

Cum Gas

166k MCF

casinghead

Wells

2

Production

1993-01 — 1997-03

Peak Month

1993-03

Production History

Cum Oil: 15,800 BBL Cum Gas: 166,093 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

459 BBL/mo

Di (annual)

28.4%

b-factor

0.0

EUR

19,316 BBL

R-squared

0.399

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 (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
242-051-30633SMITH BROTHERS OIL & GAS INC.19,0001980-02-22
142-051-30510SMITH BROTHERS OIL & GAS INC.19,0001979-11-28