MADJACK 522

Oil · District 8A · Lease #70385

Operator: STEWARD ENERGY II, LLC

Cum Oil

2.0M BBL

Cum Gas

4.6M MCF

casinghead

Wells

6

Production

2014-11 — 2026-04

Peak Month

2021-01

Production History

Cum Oil: 1,980,692 BBL Cum Gas: 4,648,208 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

37,531 BBL/mo

Di (annual)

105.8%

b-factor

2.0

EUR

3,973,294 BBL

R-squared

0.712

type

hyperbolic

Operator History (from monthly production reports)

2025-03 — 2026-07 BURK ROYALTY CO., LTD. 17 mo
2016-11 — 2025-02 STEWARD ENERGY II, LLC 100 mo
2014-11 — 2016-10 MANZANO, LLC 24 mo

Wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2HBURK ROYALTY CO., LTD.25,6002023-03-17
6HBURK ROYALTY CO., LTD.25,6002019-11-08
5HBURK ROYALTY CO., LTD.35,6002019-11-07
3HBURK ROYALTY CO., LTD.25,6002017-11-20
4HBURK ROYALTY CO., LTD.25,6002017-11-20
1HBURK ROYALTY CO., LTD.25,5002014-08-29