42-115-31964

Unperfed Completion

WEST WELCH UNIT

DAWSON County · District 8 · OXY USA WTP EOR LLC · WELCH

Permits

Max Depth

5,300 ft

First Permit

1984-02-27

Latest Activity

2017-03-20

Lifespan

33 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2016-09-20

Shut-In

—

Plugged

2018-02-07

EWA / Production operator mismatch

Scheduling: OXY USA WTP EOR LLC ≠ Production: OXY USA WTP LP (reported 2026-04)

EWA / Permit operator mismatch

Scheduling: OXY USA WTP EOR LLC ≠ Permit: OXY USA WTP LP

Resolved via: production → OXY USA WTP LP

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

OXY USA INC. 1993-2000→ OXY USA WTP LP 2001-2026

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 (1) Elevation 3,128 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
SAN ANDRES	4,825 ft	-1,697 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
4,825–4,917 ft	Perforated

Casing (2)

Size	Set Depth	Cement
8.625"	2,015 ft	1,000 sx
5.5"	4,825 ft	1,150 sx

Permit History (2)

#824099 Recompletion Unperfed Completion

WEST WELCH UNIT · 5,300 ft

2017-03-20

Spud 2016-09-08

#230560 Drill Final Completion

WEST WELCH UNIT · 4,950 ft

1984-02-27

Spud 1984-03-16

Applications (2)

#824099 A OXY USA WTP LP

received 2017-03-06

#230560 A CITIES SERVICE OIL & GAS CORP.

received 1984-02-13

Records & Logs

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

W-2/G-1 2017-01-26 log on file

W-2/G-1 1984-04-10

Completion packets + logs ↗ Wellbore filings ↗

Completion packets open directly (post-2011 filings include attached logs). Log images and the UL library 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 DAWSON County.

Well Details

Well Number: 4832
Max Depth: 5,300 ft
Drill Type: Vertical
County: DAWSON
District: 8
Operator: OXY USA WTP EOR LLC
Completed: 2016-09-20

Operator

Name: OXY USA WTP EOR, LLC
Location: HOUSTON
P-5 Status: Active (filed 2026-01-07)
Cum Oil (all leases): — bbl
Cum Gas (all leases): — mcf
Activities: OPRS/G, OPRS/O