42-103-30862

Final Completion

BLOCK 31 UNIT

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

Permits

1

Max Depth

9,100 ft

First Permit

1988-06-15

Latest Activity

1988-06-15

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

2019-03-14

Shut-In

Plugged

2024-06-24

!

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 Plugged 2024-07-18 UIC #000010684 permitted 1974-01-10

Permitted Volume

3,500 mcf/d

Max Pressure

Injection Interval

8,531–9,059 ft

Injected (12mo)

Monthly injected volume (bbl, from H-10 filings through 2019-06-01)

Lease Production

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

Formation Tops (10) Elevation 2,593 ft (KB)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
QUEEN 2,893 ft-300 ft
GRAYBURG 3,027 ft-434 ft
WFMP (Wolfcamp)6,931 ft-4,338 ft
CISCO 7,261 ft-4,668 ft
CANYON 7,437 ft-4,844 ft
STRAWN 7,614 ft-5,021 ft
ATOKA 7,790 ft-5,197 ft
MRRW7,846 ft-5,253 ft
MSPL8,242 ft-5,649 ft
WDFD8,275 ft-5,682 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 (6)

IntervalType
8,528–8,550 ftPerforated
8,531–8,540 ftPerforated
8,531–9,059 ftPerforated
8,909–9,061 ftPerforated
8,915–8,994 ftPerforated
9,003–9,059 ftPerforated

Casing (6)

SizeSet DepthCement
8.625"2,560 ft900 sx
8.625"2,560 ft900 sx
8.625"2,560 ft900 sx
5.5"9,100 ft1,320 sx
5.5"9,100 ft1,320 sx
5.5"9,100 ft1,320 sx

Permit History (1)

Applications (1)

#347734 A ARCO OIL & GAS CO.
received 1988-06-13

Records & Logs

5 completion filings on record.

W-2/G-1 2019-05-15
W-2/G-1 1990-03-07
W-2/G-1 1989-06-12
W-2/G-1 1988-07-14
W-2/G-1 1974-01-21
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
M 3M
Max Depth
9,100 ft
Drill Type
Vertical
County
CRANE
District
8
Completed
2019-03-14

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