< leases

OLD SWITCHEROO 418

Oil · District 8A · Lease #71097

Operator: STEWARD ENERGY II, LLC

Fields: PLATANG (SAN ANDRES) ,U-LAZY -S- (ELLENBURGER)

Cum Oil

386k BBL

Cum Gas

1.7M MCF

casinghead

Wells

5

Production

2018-08 — 2026-04

Peak Month

2021-05

Production History

Cum Oil: 386,342 BBL Cum Gas: 1,705,083 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

15,608 BBL/mo

Di (annual)

80.4%

b-factor

0.8

EUR

679,159 BBL

R-squared

0.947

type

hyperbolic

Operator History (from monthly production reports)

2025-03 — 2026-07 BURK ROYALTY CO., LTD. 17 mo
2021-02 — 2025-02 STEWARD ENERGY II, LLC 49 mo
2020-06 — 2021-01 MONADNOCK RESOURCES OP CO, LLC 8 mo
2018-08 — 2018-09 CML EXPLORATION, LLC 2 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6H42-501-37061BURK ROYALTY CO., LTD.16,0002018-11-07
7H42-501-37060BURK ROYALTY CO., LTD.16,0002018-11-06
1H42-501-37006BURK ROYALTY CO., LTD.15,3182018-05-11
3H42-501-36996BURK ROYALTY CO., LTD.25,3182018-04-23
5H42-501-36908BURK ROYALTY CO., LTD.15,2952017-11-20