42-115-33465

INJECTION

WEST WELCH UNIT

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

Permits

1

Max Depth

5,200 ft

First Permit

2011-11-21

Latest Activity

2011-11-21

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2018-11-07

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

H-1 Injection Active UIC #000104400 permitted 2011-12-14

Permitted Volume

5,300 bbl/d

Max Pressure

2,300 psi

Injection Interval

4,600–5,200 ft

Injected (12mo)

220,659 bbl

Monthly injected volume (bbl, from H-10 filings through 2025-08-01)

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 (4) Elevation 3,117 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
RUSTLER 2,140 ft+977 ft
SEVEN RIVERS 2,313 ft+804 ft
YATES 3,019 ft+98 ft
SAN ANDRES 4,510 ft-1,393 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 (2)

IntervalType
4,934–5,015 ftPerforated
4,936–5,004 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"2,200 ft950 sx
5.5"5,198 ft840 sx

Permit History (1)

Applications (1)

#728315 A OXY USA WTP LP
received 2011-11-15

Records & Logs

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

W-2/G-1 2019-08-14
W-2/G-1 2012-07-25 log on file
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
4970
Max Depth
5,200 ft
Drill Type
Vertical
County
DAWSON
District
8
Completed
2018-11-07

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