CHADBOURNE, W. FT. /GRAY SD./UN.

Oil · District 9 · Lease #5917

Operator: VANGUARD PERMIAN, LLC

Cum Oil

218k BBL

Cum Gas

0 MCF

Wells

8

Production

1993-01 — 2018-05

Peak Month

1996-10

Production History

Cum Oil: 217,830 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

9,551 BBL/mo

Di (annual)

313.1%

b-factor

0.7

EUR

105,984 BBL

R-squared

0.720

type

hyperbolic

Wells (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
25PITTENCRIEFF AMERICA, INC.56,0002024-04-26
19PITTENCRIEFF AMERICA, INC.65,7002024-04-19
5ENERVEST OPERATING, L.L.C.15,4002008-02-20
33PITTENCRIEFF AMERICA, INC.25,9001997-05-30
21PITTENCRIEFF AMERICA, INC.25,8001996-10-22
27PITTENCRIEFF AMERICA, INC.16,0001996-10-22
17W42-081-01475--------
1D42-081-00495--------
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