42-135-36252

U

MOSS UNIT

ECTOR County · District 8 · AGHORN OPERATING INC. · COWDEN SOUTH

Permits

1

Max Depth

4,695 ft

First Permit

1990-05-25

Latest Activity

1990-05-25

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1990-06-15

Shut-In

Plugged

2012-12-04

!

EWA / Permit operator mismatch

Scheduling: AGHORN OPERATING INC. ≠ Permit: UNION OIL COMPANY OF CALIFORNIA

Resolved via: productionAGHORN OPERATING, INC.

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

Last Production

2026-07

Lease Production

Production is reported at the lease level. View production data, decline curves, and history on the lease page.

Formation Tops (6) Elevation 2,931 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
RUSTLER 1,670 ft+1,261 ft
YATES 2,973 ft-42 ft
QUEEN 4,286 ft-1,355 ft
FOSTER4,450 ft-1,519 ft
GRAYBURG "A" (Grayburg)4,463 ft-1,532 ft
GRAYBURG "B" (Grayburg)4,666 ft-1,735 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
4,486–4,671 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"341 ft275 sx
5.5"4,695 ft1,000 sx

Permit History (1)

Applications (1)

#373855 A UNION OIL COMPANY OF CALIFORNIA
received 1990-05-25

Records & Logs

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

W-2/G-1 1991-02-19 log on file
W-2/G-1 1991-02-27
Completion packets + logs ↗ Wellbore filings ↗

Completion packets open directly (post-2011 filings include attached logs). Log images and the UL library 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 ECTOR County.

Well Details

Well Number
1421
Max Depth
4,695 ft
Drill Type
Vertical
County
ECTOR
District
8
Completed
1990-06-15

Operator

Location
ODESSA
P-5 Status
Active (filed 2025-08-06)
Cum Oil (all leases)
12,266,116 bbl
Cum Gas (all leases)
558,201 mcf
Activities
OPRS/G, OPRS/O
Total Permits
5