GLASSCOCK -L- FEE

Oil · District 08 · Lease #32273

Operator: XTO ENERGY INC.

Cum Oil

711k BBL

Cum Gas

1.8M MCF

casinghead

Wells

10

Production

1993-01 — 2019-11

Peak Month

1996-05

Production History

Cum Oil: 711,396 BBL Cum Gas: 1,773,823 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

12,433 BBL/mo

Di (annual)

55.8%

b-factor

0.6

EUR

569,861 BBL

R-squared

0.874

type

hyperbolic

Operator History (from monthly production reports)

2004-08 — 2020-10 XTO ENERGY INC. 195 mo
2002-06 — 2004-07 CHEVRON U. S. A. INC. 26 mo
1993-01 — 2002-05 TEXACO E & P INC. 113 mo

Wells (10)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
13XTO ENERGY INC.18,6002011-07-25
11XTO ENERGY INC.18,3001996-02-16
10XTO ENERGY INC.18,3001995-10-20
9XTO ENERGY INC.28,3501995-01-26
8XTO ENERGY INC.18,3501994-12-14
7XTO ENERGY INC.28,3501993-07-21
6XTO ENERGY INC.18,3001991-02-07
6DXTO ENERGY INC.18,3001991-02-07
5XTO ENERGY INC.18,3101990-12-17
4XTO ENERGY INC.28,4001989-03-31