BUTTERNUT 55-1-39-27 B

Oil · District 08 · Lease #58193

Operator: ANADARKO E&P ONSHORE LLC

Cum Oil

431k BBL

Cum Gas

1.8M MCF

casinghead

Wells

1

Production

2022-08 — 2026-04

Peak Month

2022-09

Production History

Cum Oil: 431,453 BBL Cum Gas: 1,750,310 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

58,352 BBL/mo

Di (annual)

165.3%

b-factor

0.0

EUR

424,286 BBL

R-squared

0.574

type

exponential

Operator History (from monthly production reports)

2022-08 — 2026-07 ANADARKO E&P ONSHORE LLC 48 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
13HANADARKO E&P ONSHORE LLC213,0002021-12-14