HALSELL

Oil · District 09 · Lease #28550

Operator: CHOLLA PETROLEUM, INC.

Cum Oil

3k BBL

Cum Gas

8 MCF

casinghead

Wells

1

Production

1993-04 — 1993-11

Peak Month

1993-05

Production History

Cum Oil: 3,019 BBL Cum Gas: 8 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

621 BBL/mo

Di (annual)

299.7%

b-factor

0.1

EUR

2,771 BBL

R-squared

0.911

type

hyperbolic

Operator History (from monthly production reports)

1993-04 — 1994-02 CHOLLA PETROLEUM, INC. 11 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1CHOLLA PETROLEUM INC.14,9901993-03-08