42-115-32262

Final Completion

SOUTH WELCH UNIT

DAWSON County · District 8 · CITIES SERVICE OIL & GAS CORP.

Permits

Max Depth

5,044 ft

First Permit

1985-05-29

Latest Activity

1986-01-06

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Injection / Disposal

DAWSON County disposal market →

H-1 Injection Active UIC #000060007 permitted 1993-04-07

Permitted Volume

850 bbl/d

Max Pressure

2,225 psi

Injection Interval

4,450–6,250 ft

Injected (12mo)

1 bbl

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

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 (3) Elevation 3,107 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
GRAYBURG	4,238 ft	-1,131 ft
LOVINGTON	4,409 ft	-1,302 ft
SAN ANDRES	4,897 ft	-1,790 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)

Interval	Type
4,897–4,997 ft	Perforated

Casing (2)

Size	Set Depth	Cement
8.625"	2,004 ft	1,000 sx
5.5"	5,044 ft	1,150 sx

Permit History (2)

#295230 Drill Final Completion

SOUTH WELCH UNIT · 5,044 ft

1986-01-06

#276374 Drill

SOUTH WELCH UNIT · 5,000 ft

1985-05-29

Applications (2)

#295230 A CITIES SERVICE OIL & GAS CORP.

received 1985-11-06

#276374 A CITIES SERVICE OIL & GAS CORP.

received 1985-05-28

Records & Logs

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

W-2/G-1 2025-06-17

W-2/G-1 1989-09-22

W-2/G-1 1985-11-05 log on file

W-2/G-1 1986-01-21

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: 105
Max Depth: 5,044 ft
Drill Type: Vertical
County: DAWSON
District: 8
Operator: CITIES SERVICE OIL & GAS CORP.

Operator

Name: CITIES SERVICE OIL & GAS CORP
Location: TULSA
P-5 Status: Inactive (filed 1988-02-19)
Total Permits: 584