42-103-32323

PRODUCING

BLOCK 31 UNIT

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

Permits

1

Max Depth

9,050 ft

First Permit

1980-07-02

Latest Activity

1980-07-02

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

1980-10-06

Shut-In

Plugged

P-5 Org Status: Active

!

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 OIL & GAS CO.

Resolved via: productionOXY USA INC.

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

Last Production

2026-07

Lease Production

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

Formation Tops (5) Elevation 2,523 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
GRAYBURG 2,985 ft-462 ft
GLORIETTA (Glorieta)4,106 ft-1,583 ft
PENN (Pennsylvanian)7,030 ft-4,507 ft
MISS (Mississippian)7,591 ft-5,068 ft
DEVONIAN 8,210 ft-5,687 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
8,224–8,884 ftPerforated
8,224–8,970 ftPerforated

Casing (5)

SizeSet DepthCement
8.625"2,500 ft935 sx
8.625"2,500 ft935 sx
2.875"8,106 ft
5.5"9,050 ft1,305 sx
5.5"9,050 ft2,005 sx

Permit History (1)

Applications (1)

#87025 A ARCO OIL & GAS CO.
received 1980-07-02

Records & Logs

3 completion filings on record.

W-2/G-1 1993-04-09
W-2/G-1 1984-12-14
W-2/G-1 1980-10-20
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
M3
Max Depth
9,050 ft
Drill Type
Vertical
County
CRANE
District
8
Completed
1980-10-06

Operator

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