42-115-32652

Final Completion

WEST WELCH UNIT

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

Permits

1

Max Depth

4,970 ft

First Permit

1991-01-03

Latest Activity

1991-01-03

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1991-08-10

Shut-In

Plugged

2023-03-13

!

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 INC.

Resolved via: productionOXY USA WTP LP

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

Last Production

2026-07

H-1 Injection Plugged 2023-04-25 UIC #000077194 permitted 2002-01-11

Permitted Volume

5,000 bbl/d

Max Pressure

2,400 psi

Injection Interval

4,906–4,938 ft

Injected (12mo)

Monthly injected volume (bbl, from H-10 filings through 2023-08-01)

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 (2) Elevation 3,128 ft

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
YATES 2,978 ft+150 ft
SAN ANDRES 4,442 ft-1,314 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
4,906–4,938 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"1,959 ft900 sx
5.5"4,970 ft850 sx

Permit History (1)

Applications (1)

#382928 A OXY USA INC.
received 1990-12-31

Records & Logs

5 completion filings on record · 2 with log images at RRC.

W-2/G-1 1993-04-05
W-2/G-1 1991-09-23
W-2/G-1 1991-02-05 log on file
W-2/G-1 1991-02-05 log on file
W-2/G-1 1991-02-13
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
720
Max Depth
4,970 ft
Drill Type
Vertical
County
DAWSON
District
8
Completed
1991-08-10

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