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MALLET UNIT

COCHRAN County · District 8 · HILCORP ENERGY COMPANY · SLAUGHTER

Permits

1

Max Depth

5,200 ft

First Permit

1987-05-18

Latest Activity

1987-05-18

Lifespan

< 1 yr

Regulatory Status

Schedule

ON SCHEDULE

Completion

1987-07-13

Shut-In

Plugged

P-5 Org Status: X

!

EWA / Permit operator mismatch

Scheduling: HILCORP ENERGY COMPANY ≠ Permit: MOBIL PRODUCING TX. & N.M. INC.

Resolved via: productionHILCORP ENERGY COMPANY

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 (3) Elevation 3,636 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
SAN ANDRES 4,191 ft-555 ft
1ST SLAUGHTER4,933 ft-1,297 ft
2ND SLAUGHTER4,997 ft-1,361 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 (3)

IntervalType
4,925–4,929 ftPerforated
4,935–4,988 ftPerforated
4,998–5,022 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"474 ft350 sx
5.5"5,065 ft1,150 sx

Permit History (1)

Applications (1)

#330114 A MOBIL PRODUCING TX. & N.M. INC.
received 1987-05-11

Records & Logs

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

W-2/G-1 1987-08-05 log on file
W-2/G-1 1987-08-05

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
1141
Max Depth
5,200 ft
Drill Type
Vertical
County
COCHRAN
District
8
Completed
1987-07-13

Operator

Location
HOUSTON
P-5 Status
X (filed 2026-03-27)
Cum Oil (all leases)
75,699,281 bbl
Cum Gas (all leases)
1,779,939,645 mcf
Activities
CSGD/G, CSGD/P, G/PUR, GTHS/C, GTHS/G, GTHS/O, OPRS/G, OPRS/O
Total Permits
3,435