42-227-39786

PRODUCING Horizontal

TOBOSA F

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

Permits

1

Max Depth

10,000 ft

First Permit

2018-10-04

Latest Activity

2018-10-04

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

2019-10-01

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

2019-10

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 2,468 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
YATES 1,772 ft+696 ft
SAN ANDRES - HIGH FLOWS, H2S, CO (San Andres)3,476 ft-1,008 ft
GLORIETA 4,242 ft-1,774 ft
CLEARFORK - SEVERE WATER FLOWS (Clear Fork)5,026 ft-2,558 ft
SPRABERRY 6,330 ft-3,862 ft
DEAN 7,577 ft-5,109 ft
WOLFCAMP 7,701 ft-5,233 ft
COLEMAN JUNCTION
LEONARD
SEVEN RIVERS

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
42-227-39789 TOBOSA FF · CROWNQUEST OPERATING, LLC
0.0 mi
Yates 1,772'San Andres 3,476'Glorieta 4,242'Clear Fork 5,026'Spraberry 6,330'Dean 7,577'Wolfcamp 7,701'Coleman Junction Seven Rivers Leonard
42-227-42228 TOBOSA F · CROWNQUEST OPERATING, LLC
0.0 mi
Rustler 1,071'San Andres 3,472'Glorieta 4,248'Clear Fork 5,038'Spraberry 6,331'Dean 7,636'Yates Seven Rivers Santa Rosa Leonard
42-227-39738 BLUE FESCUE · CROWNQUEST OPERATING, LLC
0.1 mi
Yates 1,759'San Andres 3,453'Glorieta 4,197'Clear Fork 5,033'Spraberry 6,347'Dean 7,583'Wolfcamp 7,711'Seven Rivers Leonard Coleman Junction
42-227-39693 TOBOSA D · CROWNQUEST OPERATING, LLC
0.1 mi
Yates 1,777'San Andres 3,489'Glorieta 4,245'Clear Fork 5,041'Spraberry 6,342'Dean 7,584'Wolfcamp 7,703'Coleman Junction Leonard Seven Rivers
42-227-39788 TOBOSA D · CROWNQUEST OPERATING, LLC
0.1 mi
Yates 1,780'San Andres 3,488'Glorieta 4,256'Clear Fork 5,046'Spraberry 6,338'Dean 7,582'Wolfcamp 7,694'Leonard Seven Rivers Coleman Junction
42-227-39734 BLUE FESCUE · CROWNQUEST OPERATING, LLC
0.2 mi
Yates 1,759'San Andres 3,453'Glorieta 4,197'Clear Fork 5,033'Spraberry 6,347'Dean 7,583'Wolfcamp 7,711'Leonard Seven Rivers Coleman Junction
42-227-42227 TOBOSA FF · CROWNQUEST OPERATING, LLC
0.2 mi
Rustler 1,071'San Andres 3,472'Glorieta 4,248'Clear Fork 5,038'Spraberry 6,331'Dean 7,636'Leonard Santa Rosa Yates Seven Rivers
42-227-42226 TOBOSA D · CROWNQUEST OPERATING, LLC
0.2 mi
Rustler 1,071'San Andres 3,472'Glorieta 4,248'Clear Fork 5,038'Spraberry 6,331'Dean 7,636'Yates Seven Rivers Santa Rosa Leonard

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
8,388–15,865 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"1,051 ft925 sx
9.625"8,097 ft500 sx
5.5"16,055 ft2,055 sx

Permit History (1)

Applications (1)

#844994 A CROWNQUEST OPERATING, LLC
received 2018-09-24

Records & Logs

1 completion filing on record · 1 with log images at RRC.

W-2/G-1 2020-01-12 log on file

Completion packets open directly (post-2011 filings include attached logs). Log images can't be deep-linked — clicking copies the API for you to paste.

Lat 32.208956
Lon -101.624560

Well Details

Well Number
8AA
Max Depth
10,000 ft
Drill Type
Horizontal
County
HOWARD
District
8
Completed
2019-10-01

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