GRANBURY

Oil · District 03 · Lease #19381

Operator: TEXAS OPERATING PARTNERS LLC

Cum Oil

287k BBL

Cum Gas

90k MCF

casinghead

Wells

8

Production

1993-01 — 2026-04

Peak Month

1993-07

Production History

Cum Oil: 287,318 BBL Cum Gas: 90,141 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,701 BBL/mo

Di (annual)

11.2%

b-factor

0.0

EUR

287,688 BBL

R-squared

0.587

type

exponential

Operator History (from monthly production reports)

2025-12 — 2026-07 TEXAS OPERATING PARTNERS LLC 8 mo
2022-08 — 2025-11 H.E.R. OPERATING, LLC 40 mo
2007-04 — 2022-07 FOUNDATION ENERGY MANAGEMENT LLC 184 mo
1999-01 — 2007-03 EXCO RESOURCES, INC. 99 mo
1994-03 — 1998-12 JACOBI-JOHNSON ENERGY, INC. 58 mo
1993-01 — 1994-02 BERGMAN OPERATING, INC. 14 mo

Wells (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8TEXAS OPERATING PARTNERS LLC43,5001997-03-26
6TEXAS OPERATING PARTNERS LLC13,5001987-04-30
7TEXAS OPERATING PARTNERS LLC13,5001987-04-30
1TEXAS OPERATING PARTNERS LLC13,5001986-06-25
2TEXAS OPERATING PARTNERS LLC13,5001986-06-25
3TEXAS OPERATING PARTNERS LLC13,5001986-06-25
4TEXAS OPERATING PARTNERS LLC13,5001986-06-25
5TEXAS OPERATING PARTNERS LLC13,5001986-06-25