42-079-00226

SOUTH MALLET UNIT

COCHRAN County · District 8 · SANDRIDGE TERTIARY, LLC

Permits

2

Max Depth

5,400 ft

First Permit

1987-09-02

Latest Activity

2008-06-11

Lifespan

21 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

Shut-In

Plugged

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

Last Production

2026-07

Injection / Disposal

H-1 Injection Active UIC #000064402 permitted 2025-07-10

Permitted Volume

1,000 bbl/d

Max Pressure

2,495 psi

Injection Interval

4,990–5,094 ft

Injected (12mo)

45,134 bbl

Monthly injected volume (bbl, from H-10 filings through 2025-12-01)

Lease Production

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

Formation Tops (1) Elevation 3,638 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SAN ANDRES 5,005 ft-1,367 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 (2)

IntervalType
5,000–5,020 ftOpen hole
?–5,000 ftPerforated

Casing (3)

SizeSet DepthCement
10.75"258 ft135 sx
7"4,996 ft175 sx
4.5"5,094 ft280 sx

Permit History (2)

Applications (2)

#662290 A SANDRIDGE TERTIARY, LLC
received 2008-05-19
#335315 A TENNECO OIL CO.
received 1987-08-31

Records & Logs

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

W-2/G-1 2022-06-16
W-2/G-1 1988-05-02 log on file
W-2/G-1 1984-01-12

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
312W
Max Depth
5,400 ft
Drill Type
Vertical
County
COCHRAN
District
8

Operator

Location
MIDLAND
P-5 Status
Inactive (filed 2012-03-20)
Cum Oil (all leases)
1,192,446 bbl
Cum Gas (all leases)
— mcf
Total Permits
20