BLACK HAWK

Oil · District 7B · Lease #16667

Operator: ZZRON INC.

Cum Oil

12k BBL

Cum Gas

20 MCF

casinghead

Wells

1

Production

1993-01 — 2015-10

Peak Month

2001-02

Production History

Cum Oil: 12,030 BBL Cum Gas: 20 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

49 BBL/mo

Di (annual)

3.0%

b-factor

0.4

EUR

16,566 BBL

R-squared

0.457

type

hyperbolic

Operator History (from monthly production reports)

1993-12 — 2026-07 OIL & GAS OPERATIONS 392 mo
1993-05 — 1993-11 ESTORIL PRODUCING CORPORATION 7 mo
1993-01 — 1993-04 ZZRON INC. 4 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1OIL & GAS OPERATIONS15,8751980-08-21