PHILLIPS 39

Oil · District 08 · Lease #38958

Operator: DIAMONDBACK E&P LLC

Cum Oil

294k BBL

Cum Gas

523k MCF

casinghead

Wells

3

Production

2008-04 — 2026-04

Peak Month

2011-06

Production History

Cum Oil: 293,666 BBL Cum Gas: 522,771 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,995 BBL/mo

Di (annual)

83.6%

b-factor

1.3

EUR

291,601 BBL

R-squared

0.367

type

hyperbolic

Operator History (from monthly production reports)

2015-06 — 2026-07 DIAMONDBACK E&P LLC 134 mo
2008-04 — 2015-05 COBRA OIL & GAS CORPORATION 86 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4DIAMONDBACK E&P LLC112,0002011-10-31
3DIAMONDBACK E&P LLC212,0002011-08-01
2DIAMONDBACK E&P LLC212,0002008-05-16