HAIR SPLITTER 454

Oil · District 8A · Lease #70465

Operator: STEWARD ENERGY II, LLC

Cum Oil

1.4M BBL

Cum Gas

4.4M MCF

casinghead

Wells

5

Production

2016-06 — 2026-04

Peak Month

2017-04

Production History

Cum Oil: 1,394,549 BBL Cum Gas: 4,427,176 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

29,639 BBL/mo

Di (annual)

56.0%

b-factor

1.2

EUR

2,556,724 BBL

R-squared

0.840

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
2016-06 — 2016-10 MANZANO, LLC 5 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
35HBURK ROYALTY CO., LTD.111,0002022-04-07
4HBURK ROYALTY CO., LTD.15,6002017-01-19
2HBURK ROYALTY CO., LTD.15,6002017-01-06
1HBURK ROYALTY CO., LTD.19,0002015-09-29
3HBURK ROYALTY CO., LTD.19,0002015-09-29