PHILLIPS UNIT

Oil · District 08 · Lease #35110

Operator: COBRA OIL & GAS CORPORATION

Cum Oil

62k BBL

Cum Gas

83k MCF

casinghead

Wells

1

Production

1996-11 — 2006-07

Peak Month

1996-12

Production History

Cum Oil: 62,461 BBL Cum Gas: 82,522 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

998 BBL/mo

Di (annual)

26.5%

b-factor

0.0

EUR

45,219 BBL

R-squared

0.371

type

exponential

Operator History (from monthly production reports)

1996-11 — 2007-01 COBRA OIL & GAS CORPORATION 123 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1DIAMONDBACK E&P LLC311,0002007-02-06