42-103-33813

PRODUCING

BLOCK 31 UNIT

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

Permits

1

Max Depth

9,350 ft

First Permit

1987-08-05

Latest Activity

1987-08-05

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

1987-12-15

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 (4) Elevation 2,535 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
BARNETT SHALE (Barnett)7,548 ft-5,013 ft
MISSISSIPPI LIME (Mississippian)7,935 ft-5,400 ft
WOODFORD SHALE (Woodford)7,973 ft-5,438 ft
DEVONIAN 8,175 ft-5,640 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
8,660–9,006 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"718 ft800 sx
8.625"3,200 ft1,750 sx
5.5"9,250 ft1,300 sx

Permit History (1)

Applications (1)

#333827 A ARCO OIL & GAS CO.
received 1987-07-31

Records & Logs

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

W-2/G-1 1987-12-31 log on file
W-2/G-1 1988-01-08
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
X 5
Max Depth
9,350 ft
Drill Type
Vertical
County
CRANE
District
8
Completed
1987-12-15

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