42-227-32420

Final Completion

CLAY H. R.

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

Permits

Max Depth

3,600 ft

First Permit

1981-04-27

Latest Activity

1988-08-15

Lifespan

7 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1989-03-22

Shut-In

—

Plugged

2022-07-08

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 2,719 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
YATES	1,338 ft	+1,381 ft
SEVEN RIVERS	1,486 ft	+1,233 ft
QUEEN	1,704 ft	+1,015 ft
GRAYBURG	1,978 ft	+741 ft
SAN ANDRES	2,270 ft	+449 ft
GLORIETA	2,774 ft	-55 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
2,275–2,655 ft	Perforated
2,908–3,050 ft	Perforated
2,962–3,225 ft	Perforated

Casing (3)

Size	Set Depth	Cement
8.625"	358 ft	200 sx
2.375"	2,780 ft	—
4.5"	3,265 ft	450 sx

Permit History (2)

#349093 Recompletion Final Completion

CLAY, H. R. · 3,600 ft

1988-08-15

#116103 Drill Final Completion

CLAY, H. R. · 3,250 ft

1981-04-27

Spud 1981-06-25

Applications (2)

#349093 A EXXON CORP.

received 1988-07-19

#116103 A EXXON CORP.

received 1981-04-27

Records & Logs

5 completion filings on record.

W-2/G-1 1989-04-06

W-2/G-1 1989-04-19

W-2/G-1 1981-08-17

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: 35
Max Depth: 3,600 ft
Drill Type: Vertical
County: HOWARD
District: 8
Operator: GRAYROCK ENERGY II LLC
Completed: 1989-03-22

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