BLALOCK F

Oil · District 08 · Lease #41871

Operator: XTO ENERGY INC.

Cum Oil

81k BBL

Cum Gas

370k MCF

casinghead

Wells

3

Production

2011-08 — 2025-04

Peak Month

2013-05

Production History

Cum Oil: 80,721 BBL Cum Gas: 370,050 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,428 BBL/mo

Di (annual)

70.9%

b-factor

0.3

EUR

58,468 BBL

R-squared

0.776

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
2011-08 — 2014-06 BERRY OIL COMP. 35 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
115XTO ENERGY INC.112,0002012-04-05
113XTO ENERGY INC.212,0002011-06-07
112XTO ENERGY INC.211,5002011-01-12