UL MASON WEST UNIT

Oil · District 08 · Lease #49200

Operator: DIAMONDBACK E&P LLC

Cum Oil

2.6M BBL

Cum Gas

2.5M MCF

casinghead

Wells

11

Production

2017-07 — 2026-04

Peak Month

2018-01

Production History

Cum Oil: 2,593,282 BBL Cum Gas: 2,467,542 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

105,789 BBL/mo

Di (annual)

90.7%

b-factor

0.5

EUR

2,682,932 BBL

R-squared

0.926

type

hyperbolic

Operator History (from monthly production reports)

2017-07 — 2026-07 DIAMONDBACK E&P LLC 109 mo

Wells (11)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1JMDIAMONDBACK E&P LLC113,0002025-05-16
1WBDIAMONDBACK E&P LLC113,0002025-05-15
1WDDIAMONDBACK E&P LLC113,0002025-05-15
2MSDIAMONDBACK E&P LLC113,0002025-05-15
2WBDIAMONDBACK E&P LLC113,0002025-05-15
3JMDIAMONDBACK E&P LLC113,0002025-05-15
3WDDIAMONDBACK E&P LLC113,0002025-05-15
10LSDIAMONDBACK E&P LLC110,5902017-07-21
11LSDIAMONDBACK E&P LLC110,5902017-07-21
8LSDIAMONDBACK E&P LLC110,5002017-01-25
9LSDIAMONDBACK E&P LLC110,5002017-01-25