← Wells

42-353-01170

Final Completion

COX E. S.

NOLAN County · District 7 · GRAYROCK ENERGY II LLC · LAKE TRAMMEL (STRAWN REEF)

Permits

1

Max Depth

6,417 ft

First Permit

2011-01-04

Latest Activity

2011-01-04

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

—

!

EWA / Permit operator mismatch

Scheduling: GRAYROCK ENERGY II LLC ≠ Permit: PLANTATION OPERATING, LLC

Resolved via: production → GRAYROCK ENERGY II, LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Injection / Disposal

H-1 Injection Active UIC #000102789 permitted 2012-07-24

Permitted Volume

1,500 bbl/d

Max Pressure

2,660 psi

Injection Interval

5,323–5,551 ft

Injected (12mo)

—

Monthly injected volume (bbl, from H-10 filings through 2025-11-01)

Operator History

Chain of Custody

ELDORADO OPERATING CO. 1993-1995→ BROTHERS OPERATING COMPANY INC. 1995-2003→ SHENANDOAH PETROLEUM CORPORATION 2003-2004→ L.C.S. PRODUCTION COMPANY 2004-2009→ PLANTATION OPERATING, LLC 2009-2011→ MERIT ENERGY COMPANY 2011-2017→ ROVER PETROLEUM OPERATING, LLC 2017-2023→ GRAYROCK ENERGY II, 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 (1) Elevation 2,470 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
CANYON SAND (Canyon)5,352 ft-2,882 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)

IntervalType
5,352–5,524 ftPerforated
?–6,279 ftPerforated

Casing (3)

SizeSet DepthCement
8.625"409 ft225 sx
4.5"5,587 ft120 sx
5.5"6,417 ft400 sx

Permit History (1)

#707435 Reenter Final Completion

LAKE TRAMMEL UNIT · 6,417 ft

2011-01-04

Spud 2011-03-15

Applications (1)

#707435 A PLANTATION OPERATING, LLC
received 2010-12-21

Records & Logs

3 completion filings on record.

W-2/G-1 2022-05-16
W-2/G-1 2011-05-02
W-2/G-1 1984-01-12
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 NOLAN County.

Well Details

Well Number
400
Max Depth
6,417 ft
Drill Type
Vertical
County
NOLAN
District
7
Operator
GRAYROCK ENERGY II LLC

Operator

Location
FORT WORTH
P-5 Status
Active (filed 2025-10-16)
Cum Oil (all leases)
1,537,532 bbl
Cum Gas (all leases)
35,084 mcf
Activities
OPRS/G, OPRS/O