42-103-33802

SHUT IN

BLOCK 31 UNIT

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

Permits

1

Max Depth

9,500 ft

First Permit

1987-06-09

Latest Activity

1987-06-09

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

1987-08-24

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

Injection / Disposal

H-1 Injection Active UIC #000063851 permitted 1987-08-17

Permitted Volume

5,000 mcf/d

Max Pressure

Injection Interval

8,600–9,200 ft

Injected (12mo)

Monthly injected volume (bbl, from H-10 filings through 2025-06-01)

Lease Production

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

Formation Tops (4) Elevation 2,950 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
BARNETT SHALE (Barnett)7,831 ft-4,881 ft
MISSISSIPPI LIME (Mississippian)8,178 ft-5,228 ft
WOODFORD SHALE (Woodford)8,208 ft-5,258 ft
DEVONIAN 8,402 ft-5,452 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
8,439–9,043 ftPerforated

Casing (3)

SizeSet DepthCement
8.625"3,630 ft2,350 sx
5.5"9,400 ft1,500 sx
8.625"

Permit History (1)

Applications (1)

#331196 A ARCO OIL & GAS CO.
received 1987-06-04

Records & Logs

3 completion filings on record.

W-2/G-1 1988-08-23
W-2/G-1 1987-09-04
W-2/G-1 1987-09-11
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
K 6K
Max Depth
9,500 ft
Drill Type
Vertical
County
CRANE
District
8
Completed
1987-08-24

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