GLASSCOCK -U- FEE

Oil · District 08 · Lease #25434

Operator: XTO ENERGY INC.

Cum Oil

258k BBL

Cum Gas

38 MCF

casinghead

Wells

8

Production

1993-01 — 2022-12

Peak Month

1995-03

Production History

Cum Oil: 258,255 BBL Cum Gas: 38 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,892 BBL/mo

Di (annual)

9.3%

b-factor

0.0

EUR

242,835 BBL

R-squared

0.967

type

exponential

Operator History (from monthly production reports)

2004-08 — 2026-07 XTO ENERGY INC. 264 mo
2002-06 — 2004-07 CHEVRON U. S. A. INC. 26 mo
1993-01 — 2002-05 TEXACO E & P INC. 113 mo

Wells (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6WXTO ENERGY INC.21,6901994-01-18
7XTO ENERGY INC.11,7501994-01-11
8WSXTO ENERGY INC.17501993-12-10
5XTO ENERGY INC.21,6551985-04-18
3DXTO ENERGY INC.11,6451984-09-06
4XTO ENERGY INC.11,6901984-09-06
2XTO ENERGY INC.11,7001984-07-30
1XTO ENERGY INC.11,7001979-04-24