BLALOCK D

Oil · District 08 · Lease #44828

Operator: XTO ENERGY INC.

Cum Oil

89k BBL

Cum Gas

507k MCF

casinghead

Wells

1

Production

2013-10 — 2026-04

Peak Month

2013-11

Production History

Cum Oil: 89,109 BBL Cum Gas: 506,826 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,659 BBL/mo

Di (annual)

148.5%

b-factor

0.7

EUR

80,637 BBL

R-squared

0.873

type

hyperbolic

Operator History (from monthly production reports)

2014-11 — 2026-07 XTO ENERGY INC. 141 mo
2014-08 — 2014-10 LINN OPERATING, INC. 3 mo
2013-10 — 2014-07 BERRY OIL COMP. 10 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
117XTO ENERGY INC.112,0002012-07-06