PIERSON, WILLIAM ESTATE

Oil · District 8A · Lease #5202

Operator: XTO ENERGY INC.

Cum Oil

810k BBL

Cum Gas

521k MCF

casinghead

Wells

11

Production

1993-01 — 2026-04

Peak Month

1993-10

Production History

Cum Oil: 810,336 BBL Cum Gas: 521,039 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

5,044 BBL/mo

Di (annual)

16.3%

b-factor

1.2

EUR

901,972 BBL

R-squared

0.777

type

hyperbolic

Operator History (from monthly production reports)

2025-05 — 2026-07 HILCORP ENERGY COMPANY 15 mo
2001-06 — 2025-04 XTO ENERGY INC. 287 mo
1993-05 — 2001-05 CROSS TIMBERS OPERATING COMPANY 97 mo
1993-01 — 1993-04 SHELL WESTERN E&P INC. 4 mo

Wells (11)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
14HILCORP ENERGY COMPANY310,8002008-06-16
10HILCORP ENERGY COMPANY210,9002007-07-27
16HILCORP ENERGY COMPANY16,2901995-08-11
22HILCORP ENERGY COMPANY27,9001995-08-03
20HILCORP ENERGY COMPANY16,9001993-11-05
19HILCORP ENERGY COMPANY16,9001993-11-03
342-165-02464HILCORP ENERGY COMPANY------
542-165-02466HILCORP ENERGY COMPANY------
642-165-02467HILCORP ENERGY COMPANY------
7 L42-165-02468HILCORP ENERGY COMPANY------
942-165-02470HILCORP ENERGY COMPANY------