< leases

FIRST AND FIRST 397

Oil · District 8A · Lease #71102

Operator: STEWARD ENERGY II, LLC

Fields: PLATANG (SAN ANDRES)

Cum Oil

69k BBL

Cum Gas

84k MCF

casinghead

Wells

2

Production

2020-06 — 2026-04

Peak Month

2021-11

Production History

Cum Oil: 68,861 BBL Cum Gas: 84,159 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,032 BBL/mo

Di (annual)

99.0%

b-factor

2.0

EUR

221,668 BBL

R-squared

0.769

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

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
7H42-501-36758BURK ROYALTY CO., LTD.25,3352017-01-10
3H42-501-36754BURK ROYALTY CO., LTD.25,3352017-01-06