← Wells

42-317-30751

Final Completion

RICHARDS -45-

MARTIN County · District 8 · ENDEAVOR ENERGY RESOURCES L.P. · SULPHUR DRAW (DEAN 8790)

Permits

1

Max Depth

9,220 ft

First Permit

2018-01-19

Latest Activity

2018-01-19

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

2018-03-13

!

EWA / Production operator mismatch

Scheduling: ENDEAVOR ENERGY RESOURCES L.P. ≠ Production: DIAMONDBACK E&P LLC (reported 2026-04)

Resolved via: production → DIAMONDBACK E&P LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

BROWN, TOM INC. 1993-1994→ SMITH BROTHERS OIL & GAS, INC. 1995-1996→ WHITFIELD ENERGY 1996-1999→ EXTEX OPERATING COMPANY 1999-2002→ GRIFFIN PETROLEUM COMPANY 2002-2008→ ENDEAVOR ENERGY RESOURCES L.P. 2008-2024→ DIAMONDBACK E&P LLC 2025-2026

Lease Production

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

Oil
production & DCA →
Oil
production & DCA →

Formation Tops (3)

CSV
FormationTop Depth (MD)
SPRABERRY 7,560 ft
DEAN 8,950 ft
WOLFCAMP 9,250 ft

As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. View filings & logs at RRC ↗

Offset Well Tops (nearest 8 wells with tops)

What nearby completed wells reported.

Cross-section
✓ 42-317-46073 EL RANCHO W 86A · OVINTIV USA INC.
0.2 mi
Yates 2,516'San Andres 3,976'Clear Fork 5,857'Spraberry 7,582'Wolfcamp —Grayburg —Dean —Cisco —Queen —Santa Rosa —Pennsylvanian —
✓ 42-317-46074 EL RANCHO W 86A · OVINTIV USA INC.
0.2 mi
Yates 2,516'San Andres 3,976'Clear Fork 5,857'Spraberry 7,582'Dean 8,938'Wolfcamp 9,141'Santa Rosa —Queen —Grayburg —Cisco —
✓ 42-317-46075 EL RANCHO W 86B · OVINTIV USA INC.
0.2 mi
Yates 2,515'San Andres 3,975'Clear Fork 5,856'Spraberry 7,581'Wolfcamp —Cisco —Santa Rosa —Grayburg —Queen —Dean —
✓ 42-317-46076 EL RANCHO W 86C · OVINTIV USA INC.
0.2 mi
Yates 2,518'San Andres 3,978'Clear Fork 5,859'Spraberry 7,584'Dean 8,940'Wolfcamp —Cisco —Pennsylvanian —Grayburg —Santa Rosa —Queen —
✓ 42-317-46077 EL RANCHO W 86D · OVINTIV USA INC.
0.2 mi
Yates 2,516'San Andres 3,976'Clear Fork 5,857'Spraberry 7,582'Dean 8,938'Wolfcamp —Cisco —Grayburg —Queen —Santa Rosa —
✓ 42-317-46079 EL RANCHO W 86D · OVINTIV USA INC.
0.2 mi
Yates 2,516'San Andres 3,976'Clear Fork 5,857'Spraberry 7,582'Dean 8,938'Wolfcamp 9,141'Cisco —Queen —Santa Rosa —Pennsylvanian —Grayburg —
✓ 42-317-46080 EL RANCHO W 86E · OVINTIV USA INC.
0.2 mi
Yates 2,517'San Andres 3,977'Clear Fork 5,858'Spraberry 7,583'Dean 8,939'Wolfcamp —Cisco —Pennsylvanian —Grayburg —Santa Rosa —Queen —
✓ 42-317-41143 MOON TOWER 44-41 · PETROLEGACY ENERGY II, LLC
0.5 mi
Santa Rosa 900'Yates 2,415'Queen 3,095'Grayburg 3,547'San Andres 5,101'Spraberry 7,597'Dean 8,962'Wolfcamp 9,147'Cisco 10,259'Pennsylvanian 10,586'

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
8,955–9,103 ftPerforated
?–9,103 ftPerforated

Casing (3)

SizeSet DepthCement
12.75"369 ft375 sx
8.625"4,020 ft350 sx
4.5"9,220 ft650 sx

Permit History (1)

#835233 Field Transfer Final Completion

RICHARDS '45' · 9,220 ft

2018-01-19

Spud 1972-08-31

Applications (1)

#835233 A ENDEAVOR ENERGY RESOURCES L.P.
received 2018-01-16

Records & Logs

2 completion filings on record.

W-2/G-1 2018-01-22
W-2/G-1 1972-10-17
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.

Google Maps → Explorer Map →
Lat 32.503350
Lon -101.953781

Well Details

Well Number
1
Max Depth
9,220 ft
Drill Type
Vertical
County
MARTIN
District
8
Operator
ENDEAVOR ENERGY RESOURCES L.P.

Operator

Location
MIDLAND
P-5 Status
Active (filed 2026-06-12)
Cum Oil (all leases)
507,205,629 bbl
Cum Gas (all leases)
70,424,421 mcf
Total Permits
6,190