42-219-34325

Final Completion

COBB TOM A

HOCKLEY County · District 8 · HILCORP ENERGY COMPANY · YELLOWHOUSE

Permits

Max Depth

4,800 ft

First Permit

1984-04-20

Latest Activity

1984-04-20

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1984-11-12

Shut-In

—

Plugged

1988-06-21

EWA / Permit operator mismatch

Scheduling: HILCORP ENERGY COMPANY ≠ Permit: RIFE OIL PROPERTIES, INC.

Resolved via: scheduling → HILCORP ENERGY COMPANY

Operator History

originally filed by RIFE OIL PROPERTIES, INC. — asset transferred

Formation Tops (5) Elevation 11 ft

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
RUSTLER ANHYDRITE (Rustler)	1,929 ft	-1,918 ft
YATES SAND (Yates)	2,428 ft	-2,417 ft
SAN ANDRES ZONE VIII (San Andres)	4,533 ft	-4,522 ft
SAN ANDRES ZONE LX (San Andres)	4,598 ft	-4,587 ft
SAN ANDRES ZONE X (San Andres)	4,668 ft	-4,657 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 (1)

Interval	Type
4,614–4,660 ft	Perforated

Casing (2)

Size	Set Depth	Cement
8.625"	428 ft	250 sx
4.5"	4,700 ft	1,400 sx

Permit History (1)

#236377 Drill Final Completion

COBB, TOM A · 4,800 ft

1984-04-20

Spud 1984-10-28

Applications (1)

#236377 A RIFE OIL PROPERTIES, INC.

received 1984-04-20

Records & Logs

2 completion filings on record · 1 with log images at RRC.

W-2/G-1 1985-01-04 log on file

W-2/G-1 1985-02-13

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 HOCKLEY County.

Well Details

Well Number: 9
Max Depth: 4,800 ft
Drill Type: Vertical
County: HOCKLEY
District: 8
Operator: HILCORP ENERGY COMPANY
Completed: 1984-11-12

Operator

Name: HILCORP ENGY CO
Location: HOUSTON
P-5 Status: X (filed 2026-03-27)
Cum Oil (all leases): 75,699,281 bbl
Cum Gas (all leases): 1,779,939,645 mcf
Activities: CSGD/G, CSGD/P, G/PUR, GTHS/C, GTHS/G, GTHS/O, OPRS/G, OPRS/O
Total Permits: 3,430