DEE UNIT

Oil · District 03 · Lease #13235

Operator: U. S. OPERATING, INC.

Cum Oil

23k BBL

Cum Gas

61k MCF

casinghead

Wells

1

Production

1993-01 — 1998-03

Peak Month

1993-03

Production History

Cum Oil: 23,455 BBL Cum Gas: 61,264 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

457 BBL/mo

Di (annual)

10.2%

b-factor

0.2

EUR

63,009 BBL

R-squared

0.481

type

hyperbolic

Operator History (from monthly production reports)

1993-01 — 2008-08 U. S. OPERATING, INC. 188 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1U. S. OPERATING INC.210,0002008-04-01