ZANT B

Oil · District 08 · Lease #41099

Operator: XTO ENERGY INC.

Fields: SPRABERRY (TREND AREA)

Cum Oil

75k BBL

Cum Gas

204k MCF

casinghead

Wells

2

Production

2011-03 — 2021-09

Peak Month

2011-06

Production History

Cum Oil: 74,867 BBL Cum Gas: 204,086 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

4,122 BBL/mo

Di (annual)

113.7%

b-factor

0.4

EUR

71,918 BBL

R-squared

0.318

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 (2)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
3703	42-173-34042	XTO ENERGY INC.	1	11,000	2011-02-28
3708	42-173-33530	XTO ENERGY INC.	2	11,000	2009-07-08