42-079-31686

Final Completion

MALLET RANCH

COCHRAN County · District 8 · D C OIL COMPANY INC. · SLAUGHTER

Permits

1

Max Depth

5,100 ft

First Permit

1983-05-12

Latest Activity

1983-05-12

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1984-02-01

Shut-In

Plugged

!

EWA / Permit operator mismatch

Scheduling: D C OIL COMPANY INC. ≠ Permit: WINCHESTER ENERGY COMPANY

Resolved via: productionD C OIL COMPANY, 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 (4) Elevation 3,665 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
RED BEDS405 ft+3,260 ft
RUSTLER 1,923 ft+1,742 ft
YATES 2,973 ft+692 ft
SAN ANDRES 4,552 ft-887 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
4,873–4,971 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"482 ft285 sx
5.5"5,038 ft1,300 sx

Permit History (1)

Applications (2)

#194550 A WINCHESTER ENERGY COMPANY
received 1984-11-29
#194550 A WINCHESTER ENERGY COMPANY
received 1983-05-12

Records & Logs

5 completion filings on record.

W-2/G-1 1984-10-12
W-2/G-1 1984-05-31
W-2/G-1 1984-05-31
W-2/G-1 1984-02-28
W-2/G-1 1984-02-28

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 COCHRAN County.

Well Details

Well Number
27
Max Depth
5,100 ft
Drill Type
Vertical
County
COCHRAN
District
8
Completed
1984-02-01

Operator

Location
SUNDOWN
P-5 Status
Active (filed 2026-05-07)
Cum Oil (all leases)
839,634 bbl
Cum Gas (all leases)
905,345 mcf
Activities
OPRS/G, OPRS/O