42-103-30259

Final Completion

BLOCK 31 UNIT

CRANE County · District 8 · OXY USA EOR LLC · BLOCK 31 (DEVONIAN)

Permits

Max Depth

9,200 ft

First Permit

1988-06-14

Latest Activity

1998-12-30

Lifespan

11 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1989-01-05

Shut-In

—

Plugged

1993-03-04

EWA / Production operator mismatch

Scheduling: OXY USA EOR LLC ≠ Production: OXY USA INC. (reported 2026-04)

EWA / Permit operator mismatch

Scheduling: OXY USA EOR LLC ≠ Permit: ARCO PERMIAN

Resolved via: production → OXY USA INC.

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Injection / Disposal

H-1 Injection Plugged 1993-03-25 UIC #000010680 permitted 1973-11-23

Permitted Volume

2,000 mcf/d

Max Pressure

—

Injection Interval

8,469–9,081 ft

Injected (12mo)

—

Operator History

Chain of Custody

ARCO OIL & GAS CO. 1993-1994→ ARCO PERMIAN 1994-2001→ BP AMERICA PRODUCTION COMPANY 2002-2010→ OXY USA INC. 2010-2026

Lease Production

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

Formation Tops (2) Elevation 2,602 ft (DF)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
QUEEN	2,882 ft	-280 ft
GRAYBURG	2,990 ft	-388 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 (7)

Interval	Type
2,966–2,975 ft	Perforated
8,469–8,521 ft	Perforated
8,469–8,522 ft	Perforated
8,902–8,992 ft	Perforated
8,902–9,081 ft	Perforated
9,129–9,300 ft	Perforated
?–8,992 ft	Perforated

Casing (8)

Size	Set Depth	Cement
13.375"	424 ft	425 sx
13.375"	424 ft	425 sx
13.375"	427 ft	425 sx
13.375"	446 ft	425 sx
8.625"	3,624 ft	1,150 sx
8.625"	3,624 ft	1,150 sx
5.5"	9,129 ft	900 sx
5.5"	9,129 ft	1,800 sx

Permit History (2)

#481847 Reenter Final Completion

BLOCK 31 UNIT · 3,500 ft

1998-12-30

Spud 1999-02-09

#347732 Drill Final Completion

BLOCK 31 (DEVONIAN) UNIT · 9,200 ft

1988-06-14

Applications (2)

#481847 A ARCO PERMIAN

received 1998-12-30

#347732 A ARCO OIL & GAS CO.

received 1988-06-13

Records & Logs

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

W-2/G-1 1999-03-25 log on file

W-2/G-1 1999-07-29

W-2/G-1 1989-06-15

W-2/G-1 1988-07-14

W-2/G-1 1970-08-14

W-2/G-1 1984-01-12

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 CRANE County.

Well Details

Well Number: H 4H
Max Depth: 9,200 ft
Drill Type: Vertical
County: CRANE
District: 8
Operator: OXY USA EOR LLC
Completed: 1989-01-05

Operator

Name: OXY USA EOR, LLC
Location: HOUSTON
P-5 Status: Active (filed 2025-12-22)
Cum Oil (all leases): — bbl
Cum Gas (all leases): — mcf
Activities: OPRS/G, OPRS/O