DARBY FEE

Oil · District 01 · Lease #13723

Operator: SELLERS LEASE SERVICE, INC.

Cum Oil

36k BBL

Cum Gas

2k MCF

casinghead

Wells

1

Production

1993-05 — 2026-04

Peak Month

1993-07

Production History

Cum Oil: 36,359 BBL Cum Gas: 2,476 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

178 BBL/mo

Di (annual)

8.4%

b-factor

0.8

EUR

39,040 BBL

R-squared

0.438

type

hyperbolic

Operator History (from monthly production reports)

2024-11 — 2026-07 BRAZOS GEOLOGICAL CONSULTING LT 21 mo
2008-04 — 2024-10 SELLERS LEASE SERVICE, INC. 199 mo
1994-05 — 2008-03 D & M COMPANY 167 mo
1993-05 — 1994-04 HEARTLAND RESOURCES, INC. 12 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2BRAZOS GEOLOGICAL CONSULTING LT12,5001993-03-23