42-131-36721

SALINAS

DUVAL County · District 4 · MAYO OIL CO.

Permits

4

Max Depth

6,850 ft

First Permit

1985-05-24

Latest Activity

1991-10-08

Lifespan

6 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

Shut-In

Plugged

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

Last Production

2005-04

Lease Production

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

Formation Tops (5) Elevation 379 ft (GL)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
HOCKLEY5,080 ft-4,701 ft
YEGUA (5900') (Yegua)5,941 ft-5,562 ft
YEGUA (5900) (Yegua)5,941 ft-5,562 ft
YEGUA (6550') (Yegua)6,592 ft-6,213 ft
YEGUA (6550) (Yegua)6,592 ft-6,213 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
5,941–5,965 ftPerforated
5,999–6,013 ftPerforated
6,796–6,806 ftPerforated

Casing (2)

SizeSet DepthCement
9.625"760 ft275 sx
4.5"6,849 ft650 sx

Permit History (4)

Applications (4)

#392383 A MAYO OIL CO.
received 1991-09-30
#334119 A RIO EXPLORATION COMPANY
received 1987-08-06
#297915 A RIO EXPLORATION COMPANY
received 1986-02-10
#275995 A RIO EXPLORATION COMPANY
received 1985-05-24

Records & Logs

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

W-2/G-1 1987-08-27 log on file
W-2/G-1 1987-09-15
W-2/G-1 1986-10-29 log on file
W-2/G-1 1987-03-18
W-2/G-1 1985-08-20 log on file
W-2/G-1 1985-08-27

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 DUVAL County.

Well Details

Well Number
2
Max Depth
6,850 ft
Drill Type
Vertical
County
DUVAL
District
4
Operator
MAYO OIL CO.

Operator

Location
SAN ANTONIO
P-5 Status
Active (filed 2025-07-17)
Cum Oil (all leases)
43,373 bbl
Cum Gas (all leases)
367,443 mcf
Total Permits
11