UL MASON UNIT

Oil · District 08 · Lease #45925

Operator: DIAMONDBACK E&P LLC

Cum Oil

1.4M BBL

Cum Gas

1.9M MCF

casinghead

Wells

4

Production

2014-05 — 2026-04

Peak Month

2016-09

Production History

Cum Oil: 1,374,761 BBL Cum Gas: 1,908,556 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

48,085 BBL/mo

Di (annual)

175.0%

b-factor

1.0

EUR

1,479,014 BBL

R-squared

0.911

type

hyperbolic

Operator History (from monthly production reports)

2014-05 — 2026-07 DIAMONDBACK E&P LLC 147 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6LSDIAMONDBACK E&P LLC110,5002015-07-31
7LSDIAMONDBACK E&P LLC110,5002015-07-31
2LSDIAMONDBACK E&P LLC111,0002014-06-25
1HDIAMONDBACK E&P LLC111,0002013-12-02