FASKEN/ENERGEN GRAYBURG UNIT

Oil · District 10 · Lease #37101

Operator: LIBERTAD OPERATING LLC

Cum Oil

182k BBL

Cum Gas

0 MCF

Wells

15

Production

2003-04 — 2026-03

Peak Month

2003-05

Production History

Cum Oil: 181,864 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

2,087 BBL/mo

Di (annual)

13.8%

b-factor

0.0

EUR

181,861 BBL

R-squared

0.791

type

exponential

Wells (15)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
114ENERGEN RESOURCES CORPORATION15,5002003-08-20
201TENNECO OIL CO.25,5002003-07-15
202TENNECO OIL CO.25,5002003-07-15
203TENNECO OIL CO.25,5002003-07-15
203WTENNECO OIL CO.25,5002003-07-15
204TENNECO OIL CO.25,5002003-07-15
204WTENNECO OIL CO.25,5002003-07-15
113ENERGEN RESOURCES CORPORATION15,5002000-02-04
113WENERGEN RESOURCES CORPORATION15,5002000-02-04
111ENERGEN RESOURCES CORPORATION15,5001999-08-18
111WENERGEN RESOURCES CORPORATION15,5001999-08-18
112ENERGEN RESOURCES CORPORATION15,5001999-08-18
110ENERGEN RESOURCES CORPORATION15,0001999-04-29
101MOBIL PRODUCING TX. & N.M. INC.15,1001985-10-07
108MOBIL PRODUCING TX. & N.M. INC.15,1001985-10-07
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