42-115-32636

PRODUCING Horizontal

WEST WELCH UNIT

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

Permits

Max Depth

5,200 ft

First Permit

1990-10-19

Latest Activity

2005-01-14

Lifespan

14 yrs

Regulatory Status

Schedule

ON SCHEDULE

Completion

2005-08-13

Shut-In

—

Plugged

—

P-5 Org Status: Active

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 3,113 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
SAN ANDRES	4,300 ft	-1,187 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 (3)

Interval	Type
4,611–4,918 ft	Perforated
4,702–4,941 ft	Perforated
4,902–4,913 ft	Perforated

Casing (2)

Size	Set Depth	Cement
8.625"	1,950 ft	900 sx
5.5"	4,990 ft	850 sx

Permit History (2)

#556108 Recompletion Final Completion

WEST WELCH UNIT · 5,200 ft

2005-01-14

Spud 2005-06-26

#379339 Drill Final Completion

WEST WELCH UNIT · 5,090 ft

1990-10-19

Spud 1990-11-10

Applications (2)

#556108 A OXY USA WTP LP

received 2005-01-12

#379339 A OXY USA INC.

received 1990-10-12

Records & Logs

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

W-2/G-1 2006-01-03

W-2/G-1 1990-12-20 log on file

W-2/G-1 1991-01-07

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: 3930
Max Depth: 5,200 ft
Drill Type: Horizontal
County: DAWSON
District: 8
Operator: OXY USA WTP EOR LLC
Completed: 2005-08-13

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