WINDHAM, R.S.

Oil · District 7C · Lease #18917

Operator: XTO ENERGY INC.

Cum Oil

233k BBL

Cum Gas

1.2M MCF

casinghead

Wells

4

Production

2014-03 — 2026-04

Peak Month

2015-08

Production History

Cum Oil: 232,663 BBL Cum Gas: 1,193,209 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

11,920 BBL/mo

Di (annual)

120.0%

b-factor

0.4

EUR

197,247 BBL

R-squared

0.880

type

hyperbolic

Operator History (from monthly production reports)

2014-03 — 2026-07 XTO ENERGY INC. 149 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2813WBXTO ENERGY INC.211,1502014-09-03
2814WBXTO ENERGY INC.211,2002014-09-03
2824WBXTO ENERGY INC.211,1502014-07-21
2823XTO ENERGY INC.211,1502013-09-18