CONCHO, WILLIE

Oil · District 7C · Lease #13362

Operator: SUNDOWN OIL OPERATING, LLC

Cum Oil

1.7M BBL

Cum Gas

283k MCF

casinghead

Wells

10

Production

1993-01 — 2026-04

Peak Month

1993-05

Production History

Cum Oil: 1,718,615 BBL Cum Gas: 282,632 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

19,087 BBL/mo

Di (annual)

18.8%

b-factor

0.0

EUR

1,216,339 BBL

R-squared

0.956

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 (10)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
10SUNDOWN OIL OPERATING, LLC12,2501993-08-18
9SUNDOWN OIL OPERATING, LLC12,2501993-03-11
7SUNDOWN OIL OPERATING, LLC22,3001991-11-15
8SUNDOWN OIL OPERATING, LLC22,3001991-11-15
6SUNDOWN OIL OPERATING, LLC22,3001991-09-13
5SUNDOWN OIL OPERATING, LLC23,8001991-07-30
4SUNDOWN OIL OPERATING, LLC22,6001991-07-11
3SUNDOWN OIL OPERATING, LLC22,3001991-07-03
2SUNDOWN OIL OPERATING, LLC22,3001991-05-30
1SUNDOWN OIL OPERATING, LLC23,9001991-04-10