MITCHELL, J.

Oil · District 05 · Lease #3864

Operator: SOUTHWEST OPERATING, INC.-TYLER

Cum Oil

25k BBL

Cum Gas

189 MCF

casinghead

Wells

1

Production

2007-11 — 2025-10

Peak Month

2008-04

Production History

Cum Oil: 25,207 BBL Cum Gas: 189 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

186 BBL/mo

Di (annual)

6.3%

b-factor

0.0

EUR

33,739 BBL

R-squared

0.448

type

exponential

Operator History (from monthly production reports)

2007-11 — 2026-07 SOUTHWEST OPERATING, INC.-TYLER 225 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1SOUTHWEST OPERATING INC.-TYLER18,8002007-11-06