42-135-35400

PRODUCING

EAST HARPER UNIT

ECTOR County · District 8 · AGHORN OPERATING INC. · HARPER

Permits

1

Max Depth

4,500 ft

First Permit

1987-02-12

Latest Activity

1987-02-12

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

1987-07-22

Shut-In

Plugged

P-5 Org Status: Delinquent

!

EWA / Permit operator mismatch

Scheduling: AGHORN OPERATING INC. ≠ Permit: SHELL WESTERN E&P INC.

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 3,020 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
RUSTLER 1,563 ft+1,457 ft
YATES 2,684 ft+336 ft
SEVEN RIVERS 2,827 ft+193 ft
QUEEN 3,283 ft-263 ft
GRAYBURG 3,864 ft-844 ft
SAN ANDRES 4,094 ft-1,074 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
4,195–4,346 ftPerforated

Casing (3)

SizeSet DepthCement
8.625"301 ft275 sx
5.5"4,500 ft1,250 sx
5.5"525 sx

Permit History (1)

Applications (1)

#326405 A SHELL WESTERN E&P INC.
received 1987-02-10

Records & Logs

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

W-2/G-1 1987-08-20 log on file
W-2/G-1 1987-08-27
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
399
Max Depth
4,500 ft
Drill Type
Vertical
County
ECTOR
District
8
Completed
1987-07-22

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