TEXFEL -103-

Oil · District 08 · Lease #25375

Operator: SOUTHWEST ROYALTIES, INC.

Cum Oil

59k BBL

Cum Gas

371k MCF

casinghead

Wells

3

Production

1993-01 — 2018-07

Peak Month

1999-10

Production History

Cum Oil: 59,029 BBL Cum Gas: 370,567 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

338 BBL/mo

Di (annual)

8.2%

b-factor

0.0

EUR

48,698 BBL

R-squared

0.586

type

exponential

Operator History (from monthly production reports)

2024-01 — 2026-07 LAST MILE PRODUCTION, LLC 31 mo
2018-09 — 2023-12 ISKANDIA ENERGY OPERATING, INC. 64 mo
2017-12 — 2018-08 NBL PERMIAN LLC 9 mo
1993-01 — 2017-11 SOUTHWEST ROYALTIES, INC. 299 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3LAST MILE PRODUCTION LLC16,8501979-05-01
4LAST MILE PRODUCTION LLC17,8501979-05-01
1LAST MILE PRODUCTION LLC16,6001979-01-23