WINDHAM RANCH 11

Oil · District 08 · Lease #42161

Operator: XTO ENERGY INC.

Cum Oil

56k BBL

Cum Gas

579k MCF

casinghead

Wells

2

Production

2011-09 — 2026-02

Peak Month

2011-10

Production History

Cum Oil: 55,860 BBL Cum Gas: 579,047 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,419 BBL/mo

Di (annual)

48.4%

b-factor

0.4

EUR

56,920 BBL

R-squared

0.586

type

hyperbolic

Operator History (from monthly production reports)

2014-08 — 2026-07 XTO ENERGY INC. 144 mo
2014-07 — 2014-07 LINN OPERATING, INC. 1 mo
2011-09 — 2014-06 BERRY OIL COMP. 34 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2RXTO ENERGY INC.112,0002011-08-08
1XTO ENERGY INC.112,0002011-05-03