THORNBURG "A"

Oil · District 7C · Lease #11655

Operator: OLSEN ENERGY INC.

Cum Oil

37k BBL

Cum Gas

120k MCF

casinghead

Wells

2

Production

1993-01 — 2004-09

Peak Month

1993-07

Production History

Cum Oil: 36,826 BBL Cum Gas: 120,221 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

399 BBL/mo

Di (annual)

8.8%

b-factor

0.0

EUR

53,743 BBL

R-squared

0.576

type

exponential

Operator History (from monthly production reports)

2003-09 — 2005-02 ARIES OPERATING, LP 18 mo
2000-05 — 2003-08 ARIES OPERATING, LLC 40 mo
1998-12 — 2000-04 FIRST RESERVE OIL & GAS CO 17 mo
1993-01 — 1998-11 OLSEN ENERGY INC. 71 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1PILGRIM ENERGY PARTNERS L.L.C.24,7002026-01-09
2PILGRIM ENERGY PARTNERS L.L.C.14,7001986-01-10