GLASSCOCK -X- FEE

Oil · District 08 · Lease #30767

Operator: XTO ENERGY INC.

Cum Oil

26k BBL

Cum Gas

1.7M MCF

casinghead

Wells

4

Production

1993-01 — 2024-10

Peak Month

2001-08

Production History

Cum Oil: 25,657 BBL Cum Gas: 1,707,688 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

345 BBL/mo

Di (annual)

35.0%

b-factor

0.2

EUR

14,635 BBL

R-squared

0.712

type

hyperbolic

Operator History (from monthly production reports)

2004-08 — 2025-05 XTO ENERGY INC. 250 mo
2002-06 — 2004-07 CHEVRON U. S. A. INC. 26 mo
1993-01 — 2002-05 TEXACO E & P INC. 113 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4HXTO ENERGY INC.311,1502000-09-07
3HXTO ENERGY INC.211,1502000-08-24
2XTO ENERGY INC.110,0001987-06-17
1XTO ENERGY INC.110,0001986-04-11