42-115-31995

Final Completion

SOUTH WELCH UNIT

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

Permits

1

Max Depth

4,985 ft

First Permit

1984-03-13

Latest Activity

1984-03-13

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1984-05-11

Shut-In

Plugged

!

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: CITIES SERVICE OIL & GAS CORP.

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 #000052398 permitted 2010-03-18

Permitted Volume

3,000 bbl/d

Max Pressure

2,250 psi

Injection Interval

4,500–5,200 ft

Injected (12mo)

26,636 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 (1) Elevation 3,087 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SAN ANDRES 4,849 ft-1,762 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
4,849–4,959 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"2,005 ft1,000 sx
5.5"4,983 ft1,150 sx

Permit History (1)

Applications (2)

#232143 A CITIES SERVICE OIL & GAS CORP.
received 1984-06-28
#232143 A CITIES SERVICE OIL & GAS CORP.
received 1984-03-06

Records & Logs

5 completion filings on record.

W-2/G-1 2023-04-19
W-2/G-1 1996-03-22
W-2/G-1 1984-06-27
W-2/G-1 1984-06-27
W-2/G-1 1984-06-27
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
2315
Max Depth
4,985 ft
Drill Type
Vertical
County
DAWSON
District
8
Completed
1984-05-11

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