COPE "84"

Oil · District 7C · Lease #14655

Operator: STEPHENS, AUTRY C.

Cum Oil

62k BBL

Cum Gas

372k MCF

casinghead

Wells

2

Production

1996-11 — 2026-04

Peak Month

1998-08

Production History

Cum Oil: 62,027 BBL Cum Gas: 372,019 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

793 BBL/mo

Di (annual)

19.5%

b-factor

0.0

EUR

48,843 BBL

R-squared

0.776

type

exponential

Operator History (from monthly production reports)

2025-01 — 2026-07 DIAMONDBACK E&P LLC 19 mo
2000-09 — 2024-12 ENDEAVOR ENERGY RESOURCES L.P. 292 mo
1996-11 — 2000-08 STEPHENS, AUTRY C. 46 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3DIAMONDBACK E&P LLC18,0001997-10-07
2DIAMONDBACK E&P LLC18,2001996-09-13