42-421-30358

Final Completion

COLDWATER -C-

SHERMAN County · District 10 · CONOCOPHILLIPS COMPANY · COLDWATER RANCH (TONKAWA)

Permits

Max Depth

5,200 ft

First Permit

1985-09-04

Latest Activity

1997-12-05

Lifespan

12 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1986-10-20

Shut-In

—

Plugged

2009-03-12

EWA / Production operator mismatch

Scheduling: CONOCOPHILLIPS COMPANY ≠ Production: PHILLIPS PETROLEUM COMPANY (reported 1999-01)

EWA / Permit operator mismatch

Scheduling: CONOCOPHILLIPS COMPANY ≠ Permit: PHILLIPS PETROLEUM COMPANY

Resolved via: scheduling → CONOCOPHILLIPS COMPANY

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2014-11

Operator History

originally filed by PHILLIPS PETROLEUM COMPANY — asset transferred

Lease Production

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

Formation Tops (12) Elevation 3,464 ft (KB)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
RED CAVE	1,835 ft	+1,629 ft
REDCAVE	1,835 ft	+1,629 ft
PANHANDLE LIME	2,597 ft	+867 ft
PANHANDLE LM.	2,597 ft	+867 ft
HERINGTON	3,000 ft	+464 ft
HERRINGTON	3,000 ft	+464 ft
U. PENN SAND	3,934 ft	-470 ft
U. PENN SD.	3,934 ft	-470 ft
DOUGLAS	4,612 ft	-1,148 ft
U. TONKAWA SAND	4,842 ft	-1,378 ft
L. TONKAWA SAND	4,988 ft	-1,524 ft
LANSING	5,022 ft	-1,558 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 (4)

Interval	Type
1,972–1,990 ft	Perforated
2,040–2,050 ft	Perforated
4,844–4,872 ft	Perforated
4,989–5,010 ft	Perforated

Casing (2)

Size	Set Depth	Cement
8.625"	1,833 ft	1,025 sx
4.5"	5,100 ft	245 sx

Permit History (2)

#470819 Recompletion Final Completion

COLDWATER C · 4,800 ft

1997-12-05

Spud 1998-01-13

#284222 Drill Final Completion

COLDWATER "C" · 5,200 ft

1985-09-04

Applications (3)

#470819 A PHILLIPS PETROLEUM COMPANY

received 1997-12-04

#284222 A PHILLIPS PETROLEUM COMPANY

received 1986-08-22

#284222 A PHILLIPS PETROLEUM COMPANY

received 1985-09-03

Records & Logs

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

W-2/G-1 1998-09-29

W-2/G-1 1998-03-05 log on file

W-2/G-1 1998-05-28

W-2/G-1 1986-12-17 log on file

W-2/G-1 1987-01-29 log on file

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 SHERMAN County.

Well Details

Well Number: 10
Max Depth: 5,200 ft
Drill Type: Vertical
County: SHERMAN
District: 10
Operator: CONOCOPHILLIPS COMPANY
Completed: 1986-10-20

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