COX

Oil · District 08 · Lease #42095

Operator: XTO ENERGY INC.

Fields: SPRABERRY (TREND AREA)

Cum Oil

17k BBL

Cum Gas

16k MCF

casinghead

Wells

1

Production

2011-03 — 2025-08

Peak Month

2011-06

Production History

Cum Oil: 17,163 BBL Cum Gas: 15,915 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

518 BBL/mo

Di (annual)

121.1%

b-factor

0.8

EUR

15,981 BBL

R-squared

0.618

type

hyperbolic

Operator History (from monthly production reports)

2014-11 — 2026-07 XTO ENERGY INC. 141 mo

2014-07 — 2014-10 LINN OPERATING, INC. 4 mo

2011-03 — 2014-06 BERRY OIL COMP. 40 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
4	42-317-36220	XTO ENERGY INC.	2	12,000	2010-08-13