42-227-32210

Final Completion

CLAY H. R.

HOWARD County · District 8 · GRAYROCK ENERGY II LLC · HOWARD GLASSCOCK (CONSOLIDATED)

Permits

Max Depth

3,600 ft

First Permit

1980-07-10

Latest Activity

1988-07-20

Lifespan

8 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1989-05-10

Shut-In

—

Plugged

2017-06-26

EWA / Permit operator mismatch

Scheduling: GRAYROCK ENERGY II LLC ≠ Permit: EXXON CORP.

Resolved via: production → GRAYROCK ENERGY II, LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

EXXON CORP. 1993-2000→ EXXON MOBIL CORPORATION 2000-2003→ SCYTHIAN, LTD. 2003-2006→ ENDEAVOR ENERGY RESOURCES L.P. 2006-2021→ OAK PRAIRIE OPERATIONS, LLC 2021-2024→ 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.

Formation Tops (5) Elevation 2,701 ft (DF)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
SEVEN RIVERS	1,471 ft	+1,230 ft
QUEEN	1,680 ft	+1,021 ft
GRAYBURG	1,956 ft	+745 ft
SAN ANDRES	2,230 ft	+471 ft
GLORIETA	2,732 ft	-31 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 (3)

Interval	Type
2,237–2,635 ft	Perforated
2,822–3,200 ft	Perforated
?–3,006 ft	Perforated

Casing (3)

Size	Set Depth	Cement
8.625"	378 ft	200 sx
2.875"	2,947 ft	—
4.5"	3,148 ft	450 sx

Permit History (2)

#349019 Recompletion Final Completion

CLAY, H. R. · 3,600 ft

1988-07-20

#86332 Drill Final Completion

CLAY, H. R. · 3,175 ft

1980-07-10

Spud 1980-08-07

Applications (2)

#349019 A EXXON CORP.

received 1988-07-18

#86332 A EXXON CORP.

received 1980-07-10

Records & Logs

4 completion filings on record.

W-2/G-1 1989-06-06

W-2/G-1 1989-06-27

W-2/G-1 1980-09-23

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: 31
Max Depth: 3,600 ft
Drill Type: Vertical
County: HOWARD
District: 8
Operator: GRAYROCK ENERGY II LLC
Completed: 1989-05-10

Operator

Name: GRAYROCK ENERGY II, LLC
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