PIERSON, WILLIAM ESTATE

Oil · District 8A · Lease #68865

Operator: XTO ENERGY INC.

Cum Oil

20k BBL

Cum Gas

14k MCF

casinghead

Wells

6

Production

2005-11 — 2010-10

Peak Month

2007-05

Production History

Cum Oil: 20,210 BBL Cum Gas: 13,594 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

848 BBL/mo

Di (annual)

153.7%

b-factor

0.3

EUR

9,386 BBL

R-squared

0.870

type

hyperbolic

Operator History (from monthly production reports)

2005-11 — 2011-08 XTO ENERGY INC. 70 mo

Wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
15HILCORP ENERGY COMPANY411,0662013-07-09
15RHILCORP ENERGY COMPANY411,0662013-07-09
11HILCORP ENERGY COMPANY111,0452009-05-27
14HILCORP ENERGY COMPANY310,8002008-06-16
10HILCORP ENERGY COMPANY210,9002007-07-27
13HILCORP ENERGY COMPANY19881994-08-09