WINDHAM RANCH 42

Oil · District 08 · Lease #40891

Operator: XTO ENERGY INC.

Cum Oil

246k BBL

Cum Gas

1.0M MCF

casinghead

Wells

8

Production

2010-11 — 2026-04

Peak Month

2013-07

Production History

Cum Oil: 246,259 BBL Cum Gas: 1,030,764 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,955 BBL/mo

Di (annual)

14.9%

b-factor

0.0

EUR

237,434 BBL

R-squared

0.431

type

exponential

Operator History (from monthly production reports)

2014-08 — 2026-07 XTO ENERGY INC. 144 mo
2014-07 — 2014-07 LINN OPERATING, INC. 1 mo
2010-11 — 2014-06 BERRY OIL COMP. 44 mo

Wells (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
7XTO ENERGY INC.112,0002011-01-25
3XTO ENERGY INC.112,0002011-01-19
4XTO ENERGY INC.112,0002011-01-19
8XTO ENERGY INC.112,0002011-01-19
5XTO ENERGY INC.212,0002010-09-16
6XTO ENERGY INC.212,0002010-09-16
1XTO ENERGY INC.212,0002010-08-19
2XTO ENERGY INC.212,0002010-08-19