42-501-32766

Final Completion

MATHIS L. H.

YOAKUM County · District 8 · SHELL WESTERN E&P INC. · OWNBY (CLEAR FORK UPPER)

Permits

1

Max Depth

7,100 ft

First Permit

1984-12-11

Latest Activity

1984-12-11

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1985-02-17

Shut-In

Plugged

!

EWA / Production operator mismatch

Scheduling: SHELL WESTERN E&P INC. ≠ Production: OCCIDENTAL PERMIAN LTD. (reported 2026-04)

!

EWA / Permit operator mismatch

Scheduling: SHELL WESTERN E&P INC. ≠ Permit: TENNECO OIL CO.

Resolved via: productionOCCIDENTAL PERMIAN LTD.

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 (4)

CSV
FormationTop Depth (MD)
YATES 3,290 ft
SAN ANDRES 4,725 ft
GLORIETTA (Glorieta)6,010 ft
UPPER CLEARFORK (Clear Fork)6,310 ft

As reported by operators on W-2/G-1 completion filings (RRC wellbore records). Depths are measured depth; names appear as filed. View filings & logs at RRC ↗

Perforations (1)

IntervalType
6,664–6,948 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"2,589 ft1,365 sx
5.5"7,064 ft2,075 sx

Permit History (1)

Applications (1)

#260682 A TENNECO OIL CO.
received 1984-12-11

Records & Logs

4 completion filings on record.

W-2/G-1 2016-03-27
W-2/G-1 1985-03-12
W-2/G-1 1985-03-12
W-2/G-1 1985-04-03

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 YOAKUM County.

Well Details

Well Number
1
Max Depth
7,100 ft
Drill Type
Vertical
County
YOAKUM
District
8
Completed
1985-02-17

Operator

Location
HOUSTON
P-5 Status
Inactive (filed 1999-09-16)
Cum Oil (all leases)
103,539,803 bbl
Cum Gas (all leases)
1,149,777,929 mcf
Total Permits
2,528