42-219-34989

Final Completion

COBB TOM A

HOCKLEY County · District 8 · HILCORP ENERGY COMPANY · YELLOWHOUSE

Permits

1

Max Depth

4,800 ft

First Permit

1986-08-18

Latest Activity

1986-08-18

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1986-10-15

Shut-In

Plugged

1989-07-11

!

EWA / Permit operator mismatch

Scheduling: HILCORP ENERGY COMPANY ≠ Permit: HANOVER ENERGY INC.

Resolved via: schedulingHILCORP ENERGY COMPANY

Operator History

originally filed by HANOVER ENERGY INC. — asset transferred

Formation Tops (4) Elevation 3,576 ft

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
RUSTLER ANHYDRITE (Rustler)1,928 ft+1,648 ft
YATES SAND (Yates)2,432 ft+1,144 ft
SAN ANDRES ZONE VIII (San Andres)4,580 ft-1,004 ft
SAN ANDRES ZONE IX (San Andres)4,616 ft-1,040 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)

IntervalType
4,558–4,688 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"420 ft250 sx
5.5"4,558 ft1,100 sx

Permit History (1)

Applications (1)

#305361 A HANOVER ENERGY INC.
received 1986-08-18

Records & Logs

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

W-2/G-1 1986-11-17 log on file
W-2/G-1 1986-11-27

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
12
Max Depth
4,800 ft
Drill Type
Vertical
County
HOCKLEY
District
8
Completed
1986-10-15

Operator

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
3,439