42-071-31600

SOUTH MAYES GAS UNIT NO. 12

CHAMBERS County · District 3 · EXXON CORP.

Permits

2

Max Depth

12,955 ft

First Permit

1984-08-09

Latest Activity

1987-06-08

Lifespan

3 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

Shut-In

Plugged

Production Summary

Cum Oil

bbl

Cum Gas

mcf

First Production

1993-01

Last Production

2008-01

Operator History

Chain of Custody

Lease Production

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

Formation Tops (6) Elevation 31 ft (DF)

CSV
FormationTop Depth (MD)Subsea (+above / −below SL)
FRIO 1 (Frio)9,164 ft-9,133 ft
FRIO 5 (Frio)10,120 ft-10,089 ft
FRIO 10 (Frio)10,881 ft-10,850 ft
FRIO 15 (Frio)11,792 ft-11,761 ft
FRIO 17 (Frio)11,984 ft-11,953 ft
FRIO 19 (Frio)12,344 ft-12,313 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
12,344–12,368 ftPerforated
12,372–12,380 ftPerforated

Casing (2)

SizeSet DepthCement
10.75"3,144 ft1,815 sx
7.625"12,480 ft3,820 sx

Permit History (2)

Applications (2)

#331318 A EXXON CORP.
received 1987-06-08
#247744 A EXXON CORP.
received 1984-08-08

Records & Logs

2 completion filings on record.

W-2/G-1 1985-06-24
W-2/G-1 1985-07-12

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 CHAMBERS County.

Well Details

Well Number
1
Max Depth
12,955 ft
Drill Type
Vertical
County
CHAMBERS
District
3
Operator
EXXON CORP.

Operator

Location
HOUSTON
P-5 Status
S (filed 1999-03-15)
Cum Oil (all leases)
215,968,885 bbl
Cum Gas (all leases)
2,000,503,710 mcf
Activities
OPRS/O
Total Permits
19,549