WRIGHT

Oil · District 08 · Lease #33999

Operator: COBRA OIL & GAS CORPORATION

Cum Oil

71k BBL

Cum Gas

11 MCF

casinghead

Wells

1

Production

1993-11 — 1998-05

Peak Month

1995-01

Production History

Cum Oil: 70,940 BBL Cum Gas: 11 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

4,047 BBL/mo

Di (annual)

145.4%

b-factor

0.2

EUR

41,749 BBL

R-squared

0.865

type

hyperbolic

Operator History (from monthly production reports)

1993-11 — 1999-02 COBRA OIL & GAS CORPORATION 64 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
7ACOBRA OIL & GAS CORPORATION111,0001993-09-08