WINDHAM, R.S. B

Oil · District 7C · Lease #18738

Operator: XTO ENERGY INC.

Cum Oil

251k BBL

Cum Gas

1.5M MCF

casinghead

Wells

4

Production

2014-09 — 2026-04

Peak Month

2015-08

Production History

Cum Oil: 251,110 BBL Cum Gas: 1,542,960 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

12,984 BBL/mo

Di (annual)

398.7%

b-factor

0.8

EUR

140,844 BBL

R-squared

0.848

type

hyperbolic

Operator History (from monthly production reports)

2014-09 — 2026-07 XTO ENERGY INC. 143 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1824WBXTO ENERGY INC.110,8702014-10-21
1832WBXTO ENERGY INC.110,9252014-10-17
1842WBXTO ENERGY INC.110,9702014-10-17
1841WBXTO ENERGY INC.110,8602014-05-31