WOOLSEY, IMA JEAN #4

Oil · District 09 · Lease #28574

Operator: ULTRA OIL & GAS, INC.

Cum Oil

3k BBL

Cum Gas

60 MCF

casinghead

Wells

1

Production

1993-05 — 1998-08

Peak Month

1993-05

Production History

Cum Oil: 3,237 BBL Cum Gas: 60 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

278 BBL/mo

Di (annual)

303.4%

b-factor

1.0

EUR

5,528 BBL

R-squared

0.873

type

hyperbolic

Operator History (from monthly production reports)

1993-05 — 2002-07 ULTRA OIL & GAS, INC. 111 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4ULTRA OIL & GAS INC.13,2001993-03-08