FOSTER -A-

Oil · District 1 · Lease #9521

Operator: XTO ENERGY INC.

Cum Oil

81k BBL

Cum Gas

0 MCF

Wells

2

Production

1993-01 — 2026-03

Peak Month

1994-12

Production History

Cum Oil: 80,725 BBL Cum Gas: 0 MCF

Decline Curve Analysis

qi

395 BBL/mo

Di (annual)

6.1%

b-factor

0.0

EUR

74,549 BBL

R-squared

0.391

type

exponential

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2AROYAL OIL & GAS CORP.19,6501984-01-13
1AROYAL OIL & GAS CORP.212,2001979-12-11
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