42-227-32458

Final Completion

CLAY H. R.

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

Permits

Max Depth

3,600 ft

First Permit

1981-05-20

Latest Activity

1988-08-15

Lifespan

7 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1989-03-02

Shut-In

—

Plugged

2022-07-12

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 2,699 ft (GL)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
YATES	1,342 ft	+1,357 ft
SEVEN RIVERS	1,450 ft	+1,249 ft
QUEEN	1,674 ft	+1,025 ft
GRAYBURG	1,942 ft	+757 ft
SAN ANDRES	2,212 ft	+487 ft
GLORIETA	2,708 ft	-9 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
2,240–2,540 ft	Perforated
2,760–3,154 ft	Perforated
3,059–3,154 ft	Perforated

Casing (3)

Size	Set Depth	Cement
8.625"	349 ft	200 sx
2.375"	3,122 ft	—
4.5"	3,202 ft	450 sx

Permit History (2)

#349092 Recompletion Final Completion

CLAY, H. R. · 3,600 ft

1988-08-15

#120125 Drill Final Completion

CLAY, H.R. · 3,200 ft

1981-05-20

Spud 1981-07-06

Applications (2)

#349092 A EXXON CORP.

received 1988-07-19

#120125 A EXXON CORP.

received 1981-05-20

Records & Logs

5 completion filings on record.

W-2/G-1 1989-03-24

W-2/G-1 1989-04-05

W-2/G-1 1988-03-22

W-2/G-1 1981-10-01

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: 38
Max Depth: 3,600 ft
Drill Type: Vertical
County: HOWARD
District: 8
Operator: GRAYROCK ENERGY II LLC
Completed: 1989-03-02

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