DARTER-WILSON UNIT

Oil · District 09 · Lease #29517

Operator: XTO ENERGY INC.

Cum Oil

44k BBL

Cum Gas

652k MCF

casinghead

Wells

1

Production

1998-03 — 2026-04

Peak Month

2026-03

Production History

Cum Oil: 44,331 BBL Cum Gas: 652,291 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

421 BBL/mo

Di (annual)

35.4%

b-factor

1.2

EUR

48,369 BBL

R-squared

0.403

type

hyperbolic

Operator History (from monthly production reports)

2021-09 — 2026-07 BKM PRODUCTION 59 mo
2004-09 — 2021-08 XTO ENERGY INC. 204 mo
1998-03 — 2004-08 CHEVRON U. S. A. INC. 78 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1BKM PRODUCTION29,7201998-05-22