42-317-33288

Final Completion

SLAUGHTER 79

MARTIN County · District 8 · ENDEAVOR ENERGY RESOURCES L.P. · SULPHUR DRAW (DEAN 8790)

Permits

1

Max Depth

9,400 ft

First Permit

1985-11-21

Latest Activity

1985-11-21

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1985-12-09

Shut-In

Plugged

2020-06-03

!

EWA / Permit operator mismatch

Scheduling: ENDEAVOR ENERGY RESOURCES L.P. ≠ Permit: MARCUM DRILLING CO.

Resolved via: schedulingENDEAVOR ENERGY RESOURCES L.P.

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

Last Production

2020-10

Lease Production

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

Formation Tops (4) Elevation 2,751 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
UPPER SPRAYBERRY (Spraberry)7,525 ft-4,774 ft
LOWER SPRAYBERRY (Spraberry)8,050 ft-5,299 ft
JO MILLS8,390 ft-5,639 ft
DEAN 8,890 ft-6,139 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
8,894–9,152 ftPerforated

Casing (3)

SizeSet DepthCement
13.375"368 ft360 sx
8.625"3,980 ft412 sx
5.5"9,400 ft840 sx

Permit History (1)

Applications (1)

#290749 A MARCUM DRILLING CO.
received 1985-10-29

Records & Logs

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

W-2/G-1 1986-01-07 log on file
W-2/G-1 1986-01-14
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 MARTIN County.

Well Details

Well Number
2
Max Depth
9,400 ft
Drill Type
Vertical
County
MARTIN
District
8
Completed
1985-12-09

Operator

Location
MIDLAND
P-5 Status
Active (filed 2026-06-12)
Cum Oil (all leases)
507,205,629 bbl
Cum Gas (all leases)
70,424,421 mcf
Total Permits
6,190