42-451-31644

ROBERTSON, JOHN D. "C"

TOM GREEN County · District 7 · MARATHON OIL COMPANY

Permits

2

Max Depth

9,100 ft

First Permit

1985-10-31

Latest Activity

1994-09-22

Lifespan

9 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

Shut-In

Plugged

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

Last Production

2018-05

Lease Production

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

Formation Tops (4) Elevation 2,240 ft (GR)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
CANYON LIME (Canyon)4,349 ft-2,109 ft
CANYON SAND (Canyon)4,470 ft-2,230 ft
UPPER STRAWN (Strawn)4,794 ft-2,554 ft
MAIN STRAWN4,940 ft-2,700 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
4,530–4,536 ftPerforated

Casing (2)

SizeSet DepthCement
8.625"404 ft280 sx
5.5"5,033 ft1,295 sx

Permit History (2)

Applications (2)

#428190 A MARATHON OIL COMPANY
received 1994-09-19
#288798 A MARATHON OIL COMPANY
received 1985-10-31

Records & Logs

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

W-2/G-1 1985-12-16 log on file
W-2/G-1 1985-12-24

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 TOM GREEN County.

Well Details

Well Number
27
Max Depth
9,100 ft
Drill Type
Vertical
County
TOM GREEN
District
7

Operator

Location
HOUSTON
P-5 Status
Active (filed 2025-08-14)
Cum Oil (all leases)
183,150,113 bbl
Cum Gas (all leases)
1,013,063,895 mcf
Activities
CSGD/P, G/PUR
Total Permits
3,707