HELEN

Oil · District 10 · Lease #5112

Operator: NATURAL GAS ANADARKO COMPANY

Cum Oil

10k BBL

Cum Gas

8k MCF

casinghead

Wells

1

Production

1993-01 — 2024-11

Peak Month

2009-10

Production History

Cum Oil: 9,622 BBL Cum Gas: 8,372 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

57 BBL/mo

Di (annual)

110.4%

b-factor

1.0

EUR

2,507 BBL

R-squared

0.625

type

hyperbolic

Operator History (from monthly production reports)

1993-01 — 2026-07 NATURAL GAS ANADARKO COMPANY 403 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1403NATURAL GAS ANADARKO COMPANY19,9501981-11-25