STANDEFER, B.

Oil · District 09 · Lease #21505

Operator: RAY HERRING OPERATING CO., LLC

Cum Oil

29k BBL

Cum Gas

103k MCF

casinghead

Wells

3

Production

1993-01 — 2025-01

Peak Month

1997-07

Production History

Cum Oil: 28,941 BBL Cum Gas: 102,817 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

321 BBL/mo

Di (annual)

20.2%

b-factor

0.1

EUR

21,109 BBL

R-squared

0.835

type

hyperbolic

Operator History (from monthly production reports)

2016-04 — 2026-07 RAY HERRING OPERATING CO., LLC 124 mo
2014-07 — 2016-03 RAY HERRING ESTATE 21 mo
1993-11 — 2014-06 HERRING, RAY 248 mo
1993-01 — 1993-10 ATWELL, DAVID L. 10 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3RAY HERRING OPERATING CO. LLC14,8001982-07-26
2RAY HERRING OPERATING CO. LLC14,8001982-03-09
1RAY HERRING OPERATING CO. LLC14,9501981-07-24