WILLIS 40

Oil · District 08 · Lease #48054

Operator: OXYROCK OPERATING, LLC

Cum Oil

267k BBL

Cum Gas

1.2M MCF

casinghead

Wells

3

Production

2016-05 — 2026-04

Peak Month

2016-10

Production History

Cum Oil: 267,248 BBL Cum Gas: 1,209,630 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

5,708 BBL/mo

Di (annual)

57.5%

b-factor

0.6

EUR

254,757 BBL

R-squared

0.371

type

hyperbolic

Operator History (from monthly production reports)

2024-08 — 2026-07 OXYROCK OPERATING, LLC 24 mo
2016-05 — 2024-07 CROWNQUEST OPERATING, LLC 99 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3OXYROCK OPERATING, LLC112,0002016-10-13
2OXYROCK OPERATING, LLC212,0002016-03-18
1OXYROCK OPERATING, LLC212,0002015-12-28