42-103-30773

BLOCK 31 UNIT

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

Permits

1

Max Depth

9,150 ft

First Permit

2026-09-25

Latest Activity

2026-09-25

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1973-05-29

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: HILCORP ENERGY COMPANY

Resolved via: production → OXY 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 (3) Elevation 2,585 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
BARNETT 7,843 ft-5,258 ft
WOODFORD 8,235 ft-5,650 ft
DEVONIAN 31 (Devonian)8,429 ft-5,844 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 ↗

Offset Well Tops (nearest 8 wells with tops)

What nearby completed wells reported.

Cross-section
✓ 42-103-33583 BLOCK 31 UNIT · OXY USA INC.
0.7 mi
Wolfcamp 6,879'Pennsylvanian 7,194'Cisco 7,390'Atoka 7,740'Barnett 7,797'Woodford 8,120'Devonian 8,326'
✓ 42-103-10548 BLOCK 31 UNIT · OXY USA INC.
0.7 mi
Grayburg 3,066'Wolfcamp 6,938'Pennsylvanian 7,287'Atoka 7,753'
✓ 42-103-33163 BLOCK 31 UNIT · OXY USA INC.
1.0 mi
Grayburg 3,066'Glorieta 4,246'Pennsylvanian 7,290'Atoka 7,753'Devonian 8,816'
✓ 42-103-33943 BLOCK 31 UNIT · OXY USA INC.
1.0 mi
Canyon 7,350'Strawn 7,534'Atoka 7,647'Barnett 7,764'Barnett 7,772'Mississippian 8,062'Woodford 8,080'Devonian 8,257'
✓ 42-103-31285 BLOCK 31 UNIT · OXY USA INC.
1.0 mi
Grayburg 2,907'Glorieta 4,099'Glorieta 4,099'Pennsylvanian 7,293'Pennsylvanian 7,293'Atoka 7,609'Devonian 8,210'
✓ 42-103-33864 BLOCK 31 UNIT · OXY USA INC.
1.2 mi
Barnett 7,925'Mississippian 8,278'Woodford 8,295'Devonian 8,467'San Andres —Mississippian —Rustler —Grayburg —Barnett —San Angelo —Glorieta —Woodford — +2 more
✓ 42-103-33995 BLOCK 31 UNIT · OXY USA INC.
1.2 mi
Canyon 7,411'Strawn 7,566'Atoka 7,677'Barnett 7,735'Woodford 8,140'Mississippian 8,210'Devonian 8,277'Devonian 8,300'
✓ 42-103-33098 BLOCK 31 UNIT · OXY USA INC.
1.3 mi
Grayburg 3,008'Glorieta 4,234'Barnett 7,988'

Nearest wells within 10 mi (surface locations). Click wells to select them, then open the cross-section to compare tops side by side (max 6 wells per section, including this one).

Perforations (1)

IntervalType
8,460–9,039 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"415 ft590 sx
8.833"3,615 ft1,120 sx
5.5"9,150 ft1,110 sx

Permit History (1)

Applications (1)

#918855 A HILCORP ENERGY COMPANY
received 2026-09-21

Records & Logs

2 completion filings on record.

W-2/G-1 2015-10-22
W-2/G-1 1973-06-13
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.

Lat 31.484131
Lon -102.457621

Well Details

Well Number
K 3K
Max Depth
9,150 ft
Drill Type
Vertical
County
CRANE
District
8
Completed
1973-05-29

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