LUBKE

Oil · District 7C · Lease #13363

Operator: SUNDOWN OIL OPERATING, LLC

Cum Oil

1.0M BBL

Cum Gas

167k MCF

casinghead

Wells

7

Production

1993-01 — 2026-04

Peak Month

1993-03

Production History

Cum Oil: 1,020,806 BBL Cum Gas: 166,579 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

7,035 BBL/mo

Di (annual)

8.5%

b-factor

0.0

EUR

978,882 BBL

R-squared

0.434

type

exponential

Operator History (from monthly production reports)

2025-05 — 2026-07 SUNDOWN OIL OPERATING, LLC 15 mo
1993-01 — 2025-04 MARSHALL & WINSTON, INC. 388 mo

Wells (7)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
10SUNDOWN OIL OPERATING, LLC33,9001992-06-02
9SUNDOWN OIL OPERATING, LLC22,3001992-04-08
6SUNDOWN OIL OPERATING, LLC22,4001992-01-16
5SUNDOWN OIL OPERATING, LLC22,3001991-11-21
2SUNDOWN OIL OPERATING, LLC33,8001991-09-13
3SUNDOWN OIL OPERATING, LLC22,3001991-09-13
1SUNDOWN OIL OPERATING, LLC23,8001991-07-30