42-227-33260

Final Completion

CLAY H. R.

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

Permits

Max Depth

3,600 ft

First Permit

1983-09-30

Latest Activity

1988-08-15

Lifespan

5 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1989-04-15

Shut-In

—

Plugged

2015-09-30

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 (6) Elevation 2,674 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
YATES	1,304 ft	+1,370 ft
SEVEN RIVERS	1,460 ft	+1,214 ft
QUEEN	1,668 ft	+1,006 ft
GRAYBURG	1,942 ft	+732 ft
SAN ANDRES	2,220 ft	+454 ft
GLORIETA	2,711 ft	-37 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
2,225–2,600 ft	Perforated
2,810–3,124 ft	Perforated
2,932–3,124 ft	Perforated

Casing (3)

Size	Set Depth	Cement
10.75"	365 ft	300 sx
2.375"	2,900 ft	—
4.5"	3,202 ft	640 sx

Permit History (2)

#349089 Recompletion Final Completion

CLAY, H. R. · 3,600 ft

1988-08-15

#217052 Drill Final Completion

CLAY, H. R. · 3,300 ft

1983-09-30

Spud 1983-10-22

Applications (2)

#349089 A EXXON CORP.

received 1988-07-19

#217052 A EXXON CORP.

received 1983-08-26

Records & Logs

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

W-2/G-1 1989-04-26 log on file

W-2/G-1 1989-05-09

W-2/G-1 1983-12-07

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: 44
Max Depth: 3,600 ft
Drill Type: Vertical
County: HOWARD
District: 8
Operator: GRAYROCK ENERGY II LLC
Completed: 1989-04-15

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