WHIRLAWAY 100-101 B

Oil · District 08 · Lease #54139

Operator: MANTI TARKA PERMIAN OP, LLC

Cum Oil

561k BBL

Cum Gas

972k MCF

casinghead

Wells

1

Production

2019-09 — 2026-04

Peak Month

2022-01

Production History

Cum Oil: 560,578 BBL Cum Gas: 971,636 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

27,822 BBL/mo

Di (annual)

88.8%

b-factor

0.7

EUR

969,966 BBL

R-squared

0.895

type

hyperbolic

Operator History (from monthly production reports)

2022-12 — 2026-07 DIAMONDBACK E&P LLC 44 mo
2019-09 — 2022-11 MANTI TARKA PERMIAN OP, LLC 39 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1TBDIAMONDBACK E&P LLC210,8002019-06-21