42-409-31301

MAYO-OWENS GAS UNIT "B"

SAN PATRICIO County · District 4 · MOBIL PRODUCING TX. & N.M. INC.

Permits

Max Depth

13,500 ft

First Permit

1978-12-27

Latest Activity

1985-08-05

Lifespan

7 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

—

Shut-In

—

Plugged

—

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2000-03

Injection / Disposal

W-14 Disposal Plugged 2000-03-15 UIC #000088962 permitted 1999-06-10

Permitted Volume

5,000 bbl/d

Max Pressure

1,500 psi

Injection Interval

3,000–4,350 ft

Injected (12mo)

—

Lease Production

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

Gas

production & DCA →

Formation Tops (4) Elevation 48 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
ANDERSON	10,047 ft	-9,999 ft
MAYO	10,290 ft	-10,242 ft
HATCH	10,775 ft	-10,727 ft
LO. HURON	11,613 ft	-11,565 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)

Interval	Type
10,047–10,131 ft	Perforated
10,290–10,324 ft	Perforated

Casing (7)

Size	Set Depth	Cement
20"	310 ft	750 sx
20"	310 ft	—
13.375"	4,500 ft	2,520 sx
13.375"	4,500 ft	—
2.375"	10,215 ft	—
9.625"	10,291 ft	1,000 sx
9.625"	10,291 ft	—

Permit History (4)

#281688 Recompletion U

MAYO-OWENS GAS UNIT "B" · 11,754 ft

1985-08-05

#123297 Recompletion

OWEN, L.J.A. ET AL · 10,275 ft

1981-05-21

#118394 Recompletion

MAYO-OWEN GAS UNIT · 10,275 ft

1981-05-18

#39642 Drill Final Completion

MAYO-OWEN GAS UNIT · 13,500 ft

1978-12-27

Spud 1979-01-10

Applications (4)

#281688 A MOBIL PRODUCING TX. & N.M. INC.

received 1985-08-02

#123297 A MOBIL PRODUCING TX. & N.M. INC.

received 1981-05-21

#118394 A MOBIL PRODUCING TX. & N.M. INC.

received 1981-05-18

#39642 A MOBIL OIL CORPORATION

received 1978-12-27

Records & Logs

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

W-2/G-1 1985-12-30 log on file

W-2/G-1 1979-07-23

Completion packets + logs ↗ Wellbore filings ↗

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 SAN PATRICIO County.

Well Details

Well Number: 3
Max Depth: 13,500 ft
Drill Type: Vertical
County: SAN PATRICIO
District: 4
Operator: MOBIL PRODUCING TX. & N.M. INC.

Operator

Name: SUPERIOR OIL CO, THE
Location: SPRING
P-5 Status: Active (filed 2025-06-04)
Cum Oil (all leases): 181,898,111 bbl
Cum Gas (all leases): 1,950,074,148 mcf
Activities: CSGD/G, GTHS/C, GTHS/G
Total Permits: 6,763