< leases

ECTOR 'BF' FEE

Oil · District 08 · Lease #34397

Operator: XTO ENERGY INC.

Fields: YORK (GRAYBURG)

Cum Oil

65k BBL

Cum Gas

326k MCF

casinghead

Wells

4

Production

1995-01 — 2026-04

Peak Month

1996-10

Production History

Cum Oil: 65,023 BBL Cum Gas: 326,460 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,389 BBL/mo

Di (annual)

369.0%

b-factor

1.7

EUR

62,497 BBL

R-squared

0.863

type

hyperbolic

Operator History (from monthly production reports)

2012-05 — 2026-07 DIAMOND S ENERGY COMPANY 171 mo
2004-11 — 2012-04 DABB ENERGY COMPANY 90 mo
2004-08 — 2004-10 XTO ENERGY INC. 3 mo
2002-06 — 2004-07 CHEVRON U. S. A. INC. 26 mo
1995-01 — 2002-05 TEXACO E & P INC. 89 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
342-135-37021DIAMOND S ENERGY COMPANY14,0001995-02-14
642-135-37019DIAMOND S ENERGY COMPANY14,0001995-02-14
742-135-37016DIAMOND S ENERGY COMPANY14,0001995-02-14
142-135-36641DIAMOND S ENERGY COMPANY512,7001993-04-19