42-033-31506

Horizontal

WEST JO-MILL UNIT

BORDEN County · District 8 · CONOCOPHILLIPS COMPANY

Permits

Max Depth

7,600 ft

First Permit

1991-10-14

Latest Activity

2004-05-26

Lifespan

13 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Injection / Disposal

H-1 Injection Active UIC #000087656 permitted 2004-12-14

Permitted Volume

1,500 bbl/d

Max Pressure

1,500 psi

Injection Interval

7,450–7,493 ft

Injected (12mo)

53,168 bbl

Monthly injected volume (bbl, from H-10 filings through 2025-08-01)

Operator History

Chain of Custody

PHILLIPS PETROLEUM COMPANY 1993-2002→ CONOCOPHILLIPS COMPANY 2003-2018→ GREAT WESTERN DRILLING COMPANY 2018-2024→ BASIN OIL & GAS OPERATING, LLC 2024-2025→ JO MILL OIL COMPANY LLC 2025-2026

Lease Production

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

Oil

production & DCA →

Formation Tops (6) Elevation 2,695 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
RUSTLER	1,438 ft	+1,257 ft
YATES	1,956 ft	+739 ft
SAN ANDRES	3,275 ft	-580 ft
CLEAR FORK	5,005 ft	-2,310 ft
CLEARFORK (Clear Fork)	5,005 ft	-2,310 ft
SPRABERRY	6,460 ft	-3,765 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)

Interval	Type
7,450–7,493 ft	Perforated

Casing (3)

Size	Set Depth	Cement
13.375"	375 ft	450 sx
8.625"	4,500 ft	1,200 sx
5.5"	7,600 ft	500 sx

Permit History (2)

#546141 Recompletion

WEST JO-MILL UNIT · 7,546 ft

2004-05-26

#391953 Drill U

WEST JO-MILL UNIT · 7,600 ft

1991-10-14

Spud 1991-11-19

Applications (2)

#546141 A CONOCOPHILLIPS COMPANY

received 2004-05-25

#391953 A PHILLIPS PETROLEUM COMPANY

received 1991-09-16

Records & Logs

6 completion filings on record · 3 with log images at RRC.

W-2/G-1 2024-02-12

W-2/G-1 1998-06-24

W-2/G-1 1992-05-01 log on file

W-2/G-1 1992-05-07

Completion packets + logs ↗ Wellbore filings ↗

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: 909W
Max Depth: 7,600 ft
Drill Type: Horizontal
County: BORDEN
District: 8
Operator: CONOCOPHILLIPS COMPANY

Operator

Name: CONOCOPHILLIPS CO
Location: MIDLAND
P-5 Status: Active (filed 2026-02-03)
Cum Oil (all leases): 82,638,100 bbl
Cum Gas (all leases): 2,799,661,718 mcf
Activities: CSGD/G, CSGD/P, G/PUR, GTHS/C, GTHS/G, GTHS/O, OPRS/G, OPRS/O
Total Permits: 3,280