42-227-36399

Final Completion

GUITAR '15'

HOWARD County · District 8 · ENDEAVOR ENERGY RESOURCES L.P.

Permits

Max Depth

12,000 ft

First Permit

2010-06-04

Latest Activity

2016-03-09

Lifespan

6 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2010-10

Last Production

2026-07

Operator History

Chain of Custody

ENDEAVOR ENERGY RESOURCES L.P. 2010-2016→ QSTAR OPERATING LLC 2016-2016→ SM ENERGY COMPANY 2017-2017→ CROWNQUEST OPERATING, LLC 2017-2024→ OXYROCK OPERATING, LLC 2024-2026

Lease Production

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

Oil

production & DCA →

Formation Tops (6) Elevation 2,555 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
SPRABERRY (TA) (Spraberry)	6,400 ft	-3,845 ft
SPRABERRY (TREND AREA) (Spraberry)	6,400 ft	-3,845 ft
STRAWN	9,500 ft	-6,945 ft
STRAWN	9,525 ft	-6,970 ft
MISSISSIPPIAN	9,625 ft	-7,070 ft
UPPER MISSISSIPPIAN (Mississippian)	9,700 ft	-7,145 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 ↗

Perforations (2)

Interval	Type
7,651–9,412 ft	Perforated
7,651–10,139 ft	Perforated

Casing (3)

Size	Set Depth	Cement
12.75"	256 ft	375 sx
8.625"	4,396 ft	370 sx
5.5"	10,243 ft	1,310 sx

Permit History (2)

#814225 Recompletion Final Completion

GUITAR '15' · 10,250 ft

2016-03-09

#696906 Drill Y

GUITAR "15" · 12,000 ft

2010-06-04

Spud 2010-07-02

Applications (2)

#814225 A ENDEAVOR ENERGY RESOURCES L.P.

received 2016-03-04

#696906 A ENDEAVOR ENERGY RESOURCES L.P.

received 2010-06-02

Records & Logs

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

W-2/G-1 2016-04-06

W-2/G-1 2010-11-30 log on file

Completion packets + logs ↗ Wellbore filings ↗

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.

No GPS coordinates yet

Coordinates come from the RRC GIS backfill and usually appear within days of permit issuance. Located in HOWARD County.

Well Details

Well Number: 1
Max Depth: 12,000 ft
Drill Type: Vertical
County: HOWARD
District: 8
Operator: ENDEAVOR ENERGY RESOURCES L.P.

Operator

Name: ENDEAVOR ENGY RES L.P
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