42-103-33814

Final Completion

BLOCK 31 UNIT

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

Permits

1

Max Depth

9,300 ft

First Permit

1987-08-06

Latest Activity

1987-08-06

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1988-01-18

Shut-In

Plugged

!

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 #000063852 permitted 2014-07-24

Permitted Volume

15,000 mcf/d

Max Pressure

Injection Interval

7,800–9,400 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 2,535 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
BARNETT SHALE (Barnett)7,475 ft-4,940 ft
MISSISSIPPI LIME (Mississippian)7,850 ft-5,315 ft
WOODFORD SHALE (Woodford)7,892 ft-5,357 ft
DEVONIAN 8,082 ft-5,547 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
8,129–8,903 ftPerforated

Casing (4)

SizeSet DepthCement
13.375"725 ft800 sx
8.625"3,226 ft1,750 sx
5.5"9,170 ft1,350 sx
5.5"9,170 ft1,350 sx

Permit History (1)

Applications (1)

#333825 A ARCO OIL & GAS CO.
received 1987-07-31

Records & Logs

4 completion filings on record.

W-2/G-1 1988-08-23
W-2/G-1 1988-02-19
W-2/G-1 1988-02-19
W-2/G-1 1988-02-25
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 6
Max Depth
9,300 ft
Drill Type
Vertical
County
CRANE
District
8
Completed
1988-01-18

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