DONNER

Oil · District 03 · Lease #23385

Operator: TRANSATLANTIC PETR (USA) CORP.

Cum Oil

1k BBL

Cum Gas

2k MCF

casinghead

Wells

1

Production

1997-12 — 2000-03

Peak Month

1998-02

Production History

Cum Oil: 1,008 BBL Cum Gas: 2,035 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

114 BBL/mo

Di (annual)

820.4%

b-factor

1.3

EUR

1,748 BBL

R-squared

0.540

type

hyperbolic

Operator History (from monthly production reports)

1999-07 — 2026-07 TRANSATLANTIC PETR (USA) CORP. 325 mo
1997-12 — 1999-06 GHP EXPLORATION CORPORATION 19 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1TRANSATLANTIC PETR (USA) CORP.27,7001997-10-21