42-255-30202

Final Completion [SWD] Water

LILLIAN MCDOWELL GAS UNIT

KARNES County · District 2 · MOBIL PRODUCING TX. & N.M. INC. · KENEDY SW. (SLIGO)

Permits

Max Depth

16,300 ft

First Permit

1987-10-09

Latest Activity

2005-10-13

Lifespan

18 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1974-05-10

Shut-In

—

Plugged

1991-03-21

EWA / Permit operator mismatch

Scheduling: MOBIL PRODUCING TX. & N.M. INC. ≠ Permit: CASKIDS OPERATING COMPANY

Resolved via: scheduling → MOBIL PRODUCING TX. & N.M. INC.

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

2005-10

Last Production

2026-07

Injection / Disposal

KARNES County disposal market →

W-14 Disposal Active UIC #000092714 permitted 2011-05-17

Permitted Volume

10,000 bbl/d

Max Pressure

1,250 psi

Injection Interval

2,500–3,000 ft

Injected (12mo)

1,932,967 bbl

Monthly injected volume (bbl, from H-10 filings through 2025-11-01)

Operator History

originally filed by CASKIDS OPERATING COMPANY — asset transferred

Lease Production

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

Formation Tops (3) Elevation 519 ft (KB)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
TOP OF PAY	2,500 ft	-1,981 ft
P.B. DEPTH	3,200 ft	-2,681 ft
SLIGO	16,300 ft	-15,781 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)

Interval	Type
2,906–2,946 ft	Perforated
8,008–8,021 ft	Perforated
15,655–15,814 ft	Perforated

Casing (9)

Size	Set Depth	Cement
16"	36 ft	60 sx
16"	71 ft	—
7.625"	3,173 ft	475 sx
10.75"	3,983 ft	1,570 sx
10.75"	3,984 ft	1,570 sx
10.75"	3,984 ft	1,570 sx
5.5"	15,100 ft	—
7.625"	15,344 ft	1,135 sx
7.625"	15,344 ft	1,135 sx

Permit History (2)

#607827 Reenter Final Completion [SWD] Water

MCDOWELL SWD · 3,200 ft

2005-10-13

Spud 2003-01-02

#337184 Recompletion U

LILLIAN MCDOWELL GAS UNIT · 16,300 ft

1987-10-09

Applications (2)

#607827 A CASKIDS OPERATING COMPANY

received 2005-10-13

#337184 A MOBIL PRODUCING TX. & N.M. INC.

received 1987-10-09

Records & Logs

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

W-2/G-1 2021-11-29

W-2/G-1 2005-10-13

W-2/G-1 2005-12-19

W-2/G-1 1989-01-20 log on file

W-2/G-1 1984-06-11

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 KARNES County.

Well Details

Well Number: 1D
Max Depth: 16,300 ft
Drill Type: Vertical
County: KARNES
District: 2
Operator: MOBIL PRODUCING TX. & N.M. INC.
Completed: 1974-05-10

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