WEST TEXAS NATIONAL BANK

Oil · District 8A · Lease #5635

Operator: DALYN OIL CORP.

Cum Oil

331k BBL

Cum Gas

39k MCF

casinghead

Wells

9

Production

1993-01 — 2026-04

Peak Month

2002-05

Production History

Cum Oil: 330,752 BBL Cum Gas: 39,146 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,774 BBL/mo

Di (annual)

40.2%

b-factor

1.6

EUR

239,785 BBL

R-squared

0.935

type

hyperbolic

Operator History (from monthly production reports)

2020-03 — 2026-07 CROSSROADS OPERATING, LLC 77 mo
2007-04 — 2020-02 APACHE CORPORATION 155 mo
1995-08 — 2007-03 ANADARKO PETROLEUM CORPORATION 140 mo
1993-06 — 1995-07 DALYN OIL CORP. 26 mo
1993-01 — 1993-05 DALYN OIL COMPANY 5 mo

Wells (9)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2CROSSROADS OPERATING, LLC23,2002002-05-06
3CROSSROADS OPERATING, LLC23,2002002-03-08
1CROSSROADS OPERATING, LLC13,2001995-12-22
4RCROSSROADS OPERATING, LLC23,2001995-12-22
5RCROSSROADS OPERATING, LLC23,2001995-11-29
5 L42-415-02702CROSSROADS OPERATING, LLC------
6A42-415-02703CROSSROADS OPERATING, LLC------
7A42-415-02704CROSSROADS OPERATING, LLC------
842-415-30896CROSSROADS OPERATING, LLC------