WINDHAM, R.S.

Oil · District 7C · Lease #13646

Operator: XTO ENERGY INC.

Cum Oil

55k BBL

Cum Gas

1.4M MCF

casinghead

Wells

2

Production

1994-07 — 2004-07

Peak Month

1995-01

Production History

Cum Oil: 55,381 BBL Cum Gas: 1,389,096 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,663 BBL/mo

Di (annual)

160.7%

b-factor

0.7

EUR

54,606 BBL

R-squared

0.944

type

hyperbolic

Operator History (from monthly production reports)

2004-08 — 2005-10 XTO ENERGY INC. 15 mo
1994-07 — 2004-07 CHEVRON U. S. A. INC. 121 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2XTO ENERGY INC.311,9301999-03-03
2TXTO ENERGY INC.311,9301999-03-03