GRAVES "B"

Oil · District 8 · Lease #25688

Operator: WINDOW OPERATING CO., THE

Cum Oil

42k BBL

Cum Gas

0 MCF

Wells

6

Production

1993-01 — 2026-03

Peak Month

1993-01

Production History

Cum Oil: 42,093 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

676 BBL/mo

Di (annual)

31.6%

b-factor

0.3

EUR

36,013 BBL

R-squared

0.724

type

hyperbolic

Wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5WESTERN SKY OIL & GAS12,9001993-02-01
4WESTERN SKY OIL & GAS13,0001991-11-12
19POLK & PATTON, INC.13,0001991-08-22
3WESTERN SKY OIL & GAS22,9001991-05-21
1WESTERN SKY OIL & GAS12,9001990-11-09
2WESTERN SKY OIL & GAS13,0001989-04-07
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