42-103-32080

PRODUCING

BLOCK 31 UNIT

CRANE County · District 8 · HILCORP ENERGY COMPANY · BLOCK 31 (PENN. 7620)

Permits

2

Max Depth

9,100 ft

First Permit

1979-06-19

Latest Activity

2024-01-31

Lifespan

45 yrs

Regulatory Status

Schedule

ON SCHEDULE

Completion

2024-03-14

Shut-In

Plugged

P-5 Org Status: X

!

EWA / Production operator mismatch

Scheduling: HILCORP ENERGY COMPANY ≠ Production: OXY USA INC. (reported 2026-04)

!

EWA / Permit operator mismatch

Scheduling: HILCORP ENERGY COMPANY ≠ Permit: OXY USA INC.

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 (3) Elevation 2,577 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
CICSO7,167 ft-4,590 ft
STRAWN 7,527 ft-4,950 ft
MORROW 7,757 ft-5,180 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
42-103-34231 BLOCK 31 UNIT · OXY USA INC.
0.1 mi
Cisco 7,162'Canyon 7,388'Strawn 7,549'Atoka 7,712'Barnett 7,768'Mississippian 8,089'Woodford 8,110'Devonian 8,277'Devonian 8,280'
42-103-33943 BLOCK 31 UNIT · OXY USA INC.
0.4 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'
42-103-33995 BLOCK 31 UNIT · OXY USA INC.
0.4 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'
42-103-32652 BLOCK 31 UNIT · OXY USA INC.
0.4 mi
Grayburg 2,975'Glorieta 4,185'Glorieta 4,185'Tubb 5,020'Pennsylvanian 7,208'Barnett 7,900'Devonian 8,464'
42-103-32039 BLOCK 31 UNIT · OXY USA INC.
0.4 mi
Wolfcamp 6,761'Cisco 7,131'Canyon 7,349'Strawn 7,506'Barnett 7,529'Atoka 7,609'
42-103-32936 BLOCK 31 UNIT · OXY USA INC.
0.4 mi
Grayburg 2,976'Wolfcamp 6,880'Cisco 7,211'Canyon 7,474'Strawn 7,640'Atoka 7,751'Barnett 7,889'
42-103-32572 BLOCK 31 UNIT · OXY USA INC.
0.5 mi
Wolfcamp 6,894'Cisco 7,214'Canyon 7,517'Strawn 7,694'Atoka 7,805'Barnett 7,960'
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'

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 (2)

IntervalType
7,172–7,756 ftPerforated
8,990–9,034 ftPerforated

Casing (5)

SizeSet DepthCement
11"2,530 ft900 sx
8.625"2,530 ft900 sx
2.875"8,675 ft
7.875"9,100 ft1,825 sx
5.5"9,100 ft1,825 sx

Permit History (2)

Applications (2)

#895686 A OXY USA INC.
received 2023-12-04
#51112 A ARCO OIL & GAS CO.
received 1979-06-19

Records & Logs

2 completion filings on record.

W-2/G-1 2025-07-10
W-2/G-1 1979-09-06
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 31.471114
Lon -102.439969

Well Details

Well Number
F 5F
Max Depth
9,100 ft
Drill Type
Vertical
County
CRANE
District
8
Completed
2024-03-14

Operator

Location
HOUSTON
P-5 Status
X (filed 2026-03-27)
Cum Oil (all leases)
75,699,281 bbl
Cum Gas (all leases)
1,779,939,645 mcf
Activities
CSGD/G, CSGD/P, G/PUR, GTHS/C, GTHS/G, GTHS/O, OPRS/G, OPRS/O
Total Permits
3,430