SUNDAY, VERNA M.

Oil · District 7C · Lease #13943

Operator: STEPHENS, AUTRY C.

Cum Oil

58k BBL

Cum Gas

422k MCF

casinghead

Wells

4

Production

1995-11 — 2026-04

Peak Month

1996-03

Production History

Cum Oil: 57,736 BBL Cum Gas: 421,765 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

304 BBL/mo

Di (annual)

14.9%

b-factor

0.0

EUR

24,442 BBL

R-squared

0.396

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
1996-05 — 2000-08 STEPHENS, AUTRY C. 52 mo
1995-11 — 1996-04 BHP PETROLEUM (AMERICAS) INC. 6 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5DIAMONDBACK E&P LLC17,8001988-01-20
4DIAMONDBACK E&P LLC17,9501985-12-03
3DIAMONDBACK E&P LLC18,2001979-05-04
2DIAMONDBACK E&P LLC18,2001979-04-30