42-227-31991

CLAY, H. R.

HOWARD County · District 8 · EXXON CORP.

Permits

Max Depth

3,600 ft

First Permit

1979-10-11

Latest Activity

1988-07-19

Lifespan

9 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Injection / Disposal

HOWARD County disposal market →

H-1 Injection Plugged 2015-02-03 UIC #000067428 permitted 1995-05-17

Permitted Volume

1,000 bbl/d

Max Pressure

1,130 psi

Injection Interval

2,260–3,275 ft

Injected (12mo)

—

Operator History

Chain of Custody

ENDEAVOR ENERGY RESOURCES L.P. 2011-2021→ 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 (4) Elevation 2,714 ft (DF)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
QUEEN	1,672 ft	+1,042 ft
SAN ANDRES	2,268 ft	+446 ft
GLORIETA	2,770 ft	-56 ft
CLEARFORK (Clear Fork)	2,890 ft	-176 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
2,261–2,672 ft	Perforated
2,864–3,275 ft	Perforated
2,984–3,029 ft	Perforated

Casing (3)

Size	Set Depth	Cement
8.625"	362 ft	200 sx
2.375"	3,001 ft	—
4.5"	3,132 ft	450 sx

Permit History (2)

#349020 Recompletion

CLAY, H. R. · 3,600 ft

1988-07-19

#60251 Drill Final Completion

CLAY, H. R. · 3,140 ft

1979-10-11

Spud 1979-12-14

Applications (2)

#349020 A EXXON CORP.

received 1988-07-18

#60251 A EXXON CORP.

received 1979-10-11

Records & Logs

5 completion filings on record.

W-2/G-1 1994-06-29

W-2/G-1 1989-09-27

W-2/G-1 1980-01-31

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: 30
Max Depth: 3,600 ft
Drill Type: Vertical
County: HOWARD
District: 8
Operator: EXXON CORP.

Operator

Name: YOUNGBLOOD, C. S. III
Location: HOUSTON
P-5 Status: S (filed 1999-03-15)
Cum Oil (all leases): 215,968,885 bbl
Cum Gas (all leases): 2,000,503,710 mcf
Activities: OPRS/O
Total Permits: 19,549