HERNDON 'D' 489

Oil · District 10 · Lease #9151

Operator: HOLMES EXPLORATION, LLC

Cum Oil

374k BBL

Cum Gas

2.0M MCF

casinghead

Wells

3

Production

2012-10 — 2026-04

Peak Month

2013-11

Production History

Cum Oil: 373,864 BBL Cum Gas: 2,036,407 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

5,015 BBL/mo

Di (annual)

60.0%

b-factor

0.8

EUR

277,323 BBL

R-squared

0.536

type

hyperbolic

Operator History (from monthly production reports)

2012-12 — 2026-07 COURSON OIL & GAS, INC. 164 mo
2012-10 — 2012-11 HOLMES EXPLORATION, LLC 2 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
D 2HCCOURSON OIL & GAS, INC.113,0002014-03-14
3HCOURSON OIL & GAS, INC.213,0002013-06-25
4HCOURSON OIL & GAS, INC.113,0002012-07-12