W. L. GRAY ET AL UNIT

Oil · District 03 · Lease #23630

Operator: SUE-ANN PRODUCTION COMPANY

Cum Oil

133k BBL

Cum Gas

28k MCF

casinghead

Wells

1

Production

1999-02 — 2014-04

Peak Month

1999-12

Production History

Cum Oil: 133,480 BBL Cum Gas: 28,021 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,895 BBL/mo

Di (annual)

17.5%

b-factor

0.0

EUR

129,559 BBL

R-squared

0.706

type

exponential

Operator History (from monthly production reports)

2021-10 — 2026-07 ATLAS OPERATING LLC 58 mo
1999-07 — 2021-09 SUE-ANN OPERATING, L.C. 267 mo
1999-02 — 1999-06 SUE-ANN PRODUCTION COMPANY 5 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2ATLAS OPERATING LLC66,9102014-12-12