GALLS UNIT

Oil · District 03 · Lease #21076

Operator: SANCHEZ-O'BRIEN OIL & GAS CORP.

Cum Oil

30k BBL

Cum Gas

213k MCF

casinghead

Wells

2

Production

1993-01 — 2002-11

Peak Month

1993-07

Production History

Cum Oil: 30,208 BBL Cum Gas: 212,525 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,226 BBL/mo

Di (annual)

106.3%

b-factor

0.5

EUR

26,694 BBL

R-squared

0.809

type

hyperbolic

Operator History (from monthly production reports)

1995-12 — 2003-01 SAGE ENERGY COMPANY 86 mo
1995-09 — 1995-11 LEMON, RICHARD G. 3 mo
1994-10 — 1995-08 CONCORD OPERATING INCORPORATED 11 mo
1993-01 — 1994-09 SANCHEZ-O'BRIEN OIL & GAS CORP. 21 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1SAGE ENERGY COMPANY29,6501997-03-13
1HSAGE ENERGY COMPANY29,6501997-03-13