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WEST WELCH UNIT

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

Permits

1

Max Depth

5,400 ft

First Permit

2016-10-28

Latest Activity

2016-10-28

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2023-09-28

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: productionOXY USA WTP LP

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

Lease Production

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

Formation Tops (4) Elevation 3,142 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
YATES 2,100 ft+1,042 ft
SAN ANDRES 3,500 ft-358 ft
SPRABERRY 6,400 ft-3,258 ft
SPRAYBERRY (Spraberry)6,400 ft-3,258 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
4,809–5,138 ftOpen hole

Casing (4)

SizeSet DepthCement
13.375"311 ft300 sx
8.625"1,866 ft590 sx
5.5"4,809 ft750 sx
5.5"4,809 ft750 sx

Permit History (1)

Applications (1)

#819692 A OXY USA WTP LP
received 2016-10-24

Records & Logs

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

W-2/G-1 2025-07-07
W-2/G-1 2017-05-10 log on file
W-2/G-1 1968-07-24
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
3318
Max Depth
5,400 ft
Drill Type
Vertical
County
DAWSON
District
8
Completed
2023-09-28

Operator

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