ERD UNIT

Oil · District 01 · Lease #17671

Operator: PREMIER MINERALS, INC.

Fields: FAIRFIELD

Cum Oil

13k BBL

Cum Gas

0 MCF

Wells

8

Production

2013-09 — 2026-04

Peak Month

2013-10

Production History

Cum Oil: 12,546 BBL Cum Gas: 0 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

350 BBL/mo

Di (annual)

202.6%

b-factor

1.4

EUR

16,222 BBL

R-squared

0.642

type

hyperbolic

Operator History (from monthly production reports)

2022-05 — 2026-07 JM CALK OPERATING, LLC 51 mo
2013-09 — 2022-04 PREMIER MINERALS, INC. 104 mo

Wells (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
10JM CALK OPERATING, LLC11,5002013-12-18
11JM CALK OPERATING, LLC11,5002013-12-18
9JM CALK OPERATING, LLC11,5002013-12-18
1JM CALK OPERATING, LLC11,5002013-08-01
2JM CALK OPERATING, LLC11,5002013-08-01
3JM CALK OPERATING, LLC11,5002013-08-01
4JM CALK OPERATING, LLC11,5002013-08-01
5JM CALK OPERATING, LLC11,5002013-08-01