42-317-42683

PRODUCING Horizontal

WILKINSON RANCH H

MARTIN County · District 8 · OXYROCK OPERATING LLC · SPRABERRY (TREND AREA)

Permits

2

Max Depth

10,000 ft

First Permit

2019-11-07

Latest Activity

2019-11-07

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2021-11-02

Shut-In

Plugged

P-5 Org Status: X

!

EWA / Permit operator mismatch

Scheduling: OXYROCK OPERATING LLC ≠ Permit: CROWNQUEST OPERATING, LLC

Resolved via: productionOXYROCK OPERATING, LLC

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

2019-08

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 (10) Elevation 2,536 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
YATES 1,993 ft+543 ft
GRAYBURG 3,303 ft-767 ft
SAN ANDRES - ACTIVE CO2 FLOOD; H (San Andres)3,581 ft-1,045 ft
CLEARFORK (Clear Fork)5,115 ft-2,579 ft
SPRABERRY 6,770 ft-4,234 ft
LOWER SPRABERRY (Spraberry)7,252 ft-4,716 ft
DEAN
QUEEN
SANTA ROSA
WOLFCAMP

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
42-317-42682 YELLOW PINE F · CROWNQUEST OPERATING, LLC
0.0 mi
Yates 1,981'Grayburg 3,295'San Andres 3,570'Spraberry 6,764'Dean 8,074'Wolfcamp 8,272'Cisco Queen Santa Rosa Pennsylvanian
42-317-42680 YELLOW PINE F · CROWNQUEST OPERATING, LLC
0.0 mi
Yates 1,985'Grayburg 3,287'San Andres 3,570'Spraberry 6,769'Spraberry 7,249'Queen Cisco Santa Rosa Dean Wolfcamp
42-317-43151 YELLOW PINE F · CROWNQUEST OPERATING, LLC
0.0 mi
Yates 1,988'Grayburg 3,294'San Andres 3,561'Clear Fork 5,110'Spraberry 6,771'Cisco Queen Santa Rosa Dean Wolfcamp
42-317-42287 BIGTOOTH MAPLE H · CROWNQUEST OPERATING, LLC
0.1 mi
Yates 1,954'Grayburg 3,260'San Andres 3,539'Spraberry 6,777'Dean 7,990'Wolfcamp 8,015'Santa Rosa Cisco Queen Pennsylvanian
42-317-42286 BIGTOOTH MAPLE H · CROWNQUEST OPERATING, LLC
0.1 mi
Yates 1,960'Grayburg 3,264'San Andres 3,548'Spraberry 6,770'Dean 8,069'Wolfcamp 8,225'Santa Rosa Cisco Queen Pennsylvanian
42-317-43145 YELLOW PINE E · CROWNQUEST OPERATING, LLC
0.2 mi
Yates 1,986'Grayburg 3,284'San Andres 3,563'Clear Fork 5,016'Spraberry 6,753'Spraberry 7,228'Queen Santa Rosa Dean Wolfcamp
42-317-42679 WILKINSON RANCH H · CROWNQUEST OPERATING, LLC
0.2 mi
Yates 2,025'Grayburg 3,324'San Andres 3,606'Clear Fork 5,139'Spraberry 6,794'Queen Cisco Dean Wolfcamp Santa Rosa
42-317-42678 YELLOW PINE E · CROWNQUEST OPERATING, LLC
0.2 mi
Yates 2,010'Grayburg 3,292'San Andres 3,567'Spraberry 6,760'Dean 8,044'Wolfcamp 8,201'Queen Pennsylvanian Cisco Santa Rosa Strawn

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
8,180–15,683 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"587 ft550 sx
9.625"5,030 ft1,550 sx
5.5"15,837 ft1,305 sx

Permit History (2)

Applications (2)

#858805 A OXYROCK OPERATING, LLC
received 2026-03-05
#858805 A CROWNQUEST OPERATING, LLC
received 2019-11-06

Records & Logs

2 completion filings on record · 1 with log images at RRC.

W-2/G-1 2026-02-26
W-2/G-1 2022-04-07 log on file
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 32.327133
Lon -101.713557

Well Details

Well Number
12LL
Max Depth
10,000 ft
Drill Type
Horizontal
County
MARTIN
District
8
Completed
2021-11-02

Operator

Location
HOUSTON
P-5 Status
X (filed 2026-04-22)
Cum Oil (all leases)
64,850,483 bbl
Cum Gas (all leases)
77,830 mcf
Activities
OPRS/G, OPRS/O
Total Permits
364