42-033-31836

PRODUCING

JO-MILL UNIT

BORDEN County · District 8 · JO MILL OIL COMPANY LLC · JO-MILL (SPRABERRY)

Permits

1

Max Depth

8,000 ft

First Permit

2003-01-09

Latest Activity

2003-01-09

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2003-03-05

Shut-In

Plugged

P-5 Org Status: X

!

EWA / Permit operator mismatch

Scheduling: JO MILL OIL COMPANY LLC ≠ Permit: CHEVRON U. S. A. INC.

Resolved via: productionJO MILL OIL COMPANY LLC

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

Last Production

2026-07

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Formation Tops (5) Elevation 2,619 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
RUSTLER 1,283 ft+1,336 ft
YOAKUM2,664 ft-45 ft
SAN ANDRES 3,446 ft-827 ft
CLEARFORK (Clear Fork)4,647 ft-2,028 ft
LOWER SPRABERRY (Spraberry)6,764 ft-4,145 ft

As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. Subsea = reported elevation − measured depth (negative = below sea level; vertical wellbores only). View filings & logs at RRC ↗

Perforations (1)

IntervalType
7,226–7,276 ftPerforated

Casing (3)

SizeSet DepthCement
11.75"316 ft250 sx
8.625"4,134 ft1,500 sx
5.5"7,555 ft830 sx

Permit History (1)

Applications (1)

#527136 A CHEVRON U. S. A. INC.
received 2003-01-09

Records & Logs

2 completion filings on record · 1 with log images at RRC.

W-2/G-1 2003-03-26 log on file
W-2/G-1 2003-04-15

Completion packets open directly (post-2011 filings include attached logs). Log images can't be deep-linked — clicking copies the API for you to paste.

No GPS coordinates yet

Coordinates come from the RRC GIS backfill and usually appear within days of permit issuance. Located in BORDEN County.

Well Details

Well Number
3446
Max Depth
8,000 ft
Drill Type
Vertical
County
BORDEN
District
8
Completed
2003-03-05

Operator

Location
FORT WORTH
P-5 Status
Active (filed 2025-07-09)
Cum Oil (all leases)
4,349,903 bbl
Cum Gas (all leases)
— mcf
Activities
OPRS/O