UNIVWANDA

Oil · District 08 · Lease #40217

Operator: XTO ENERGY INC.

Cum Oil

131k BBL

Cum Gas

655k MCF

casinghead

Wells

3

Production

2010-06 — 2023-12

Peak Month

2011-07

Production History

Cum Oil: 130,908 BBL Cum Gas: 655,019 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,987 BBL/mo

Di (annual)

73.5%

b-factor

0.7

EUR

122,842 BBL

R-squared

0.716

type

hyperbolic

Operator History (from monthly production reports)

2014-11 — 2026-07 XTO ENERGY INC. 141 mo
2010-06 — 2014-10 LINN OPERATING, INC. 53 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
25BXTO ENERGY INC.111,3502010-07-29
25NXTO ENERGY INC.111,3502010-07-29
2515XTO ENERGY INC.111,3502010-02-16