42-391-04031

Final Completion

OCONNOR -D-

REFUGIO County · District 2 · T-C OIL COMPANY LLC · LAKE PASTURE (H-440 SAND)

Permits

Max Depth

4,625 ft

First Permit

1980-07-03

Latest Activity

1981-01-15

Lifespan

< 1 yr

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1968-08-17

Shut-In

—

Plugged

2010-09-20

EWA / Production operator mismatch

Scheduling: T-C OIL COMPANY LLC ≠ Production: T - C OIL COMPANY (reported 2010-03)

EWA / Permit operator mismatch

Scheduling: T-C OIL COMPANY LLC ≠ Permit: T - C OIL COMPANY

Resolved via: scheduling → T-C OIL COMPANY LLC

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2010-09

Operator History

originally filed by T - C OIL COMPANY — asset transferred

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

No tops on file for this well. Formation tops come from W-2/G-1 completion filings — this well has none yet, which is normal for permits that were never drilled, dry holes plugged without a filing, or wells completed before digital records. Offset-well tops can't be shown either — this well has no surface coordinates on file yet.

Check this well's filings at RRC ↗

Perforations (3)

Interval	Type
2,835–2,839 ft	Perforated
3,003–3,008 ft	Perforated
4,520–? ft	Perforated

Casing (4)

Size	Set Depth	Cement
8.625"	1,533 ft	580 sx
2.375"	2,822 ft	—
2.375"	2,979 ft	—
4.5"	4,620 ft	840 sx

Permit History (2)

#105416 Recompletion Final Completion

O'CONNOR "D" · 4,625 ft

1981-01-15

#85815 Recompletion Final Completion

O'CONNOR "D" · 4,625 ft

1980-07-03

Applications (2)

#105416 A T - C OIL COMPANY

received 1981-01-15

#85815 A T - C OIL COMPANY

received 1980-07-03

Records & Logs

4 completion filings on record.

W-2/G-1 1981-01-26

W-2/G-1 1980-07-17

W-2/G-1 1968-08-30

W-2/G-1 1984-01-12

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 REFUGIO County.

Well Details

Well Number: D-20
Max Depth: 4,625 ft
Drill Type: Vertical
County: REFUGIO
District: 2
Operator: T-C OIL COMPANY LLC
Completed: 1968-08-17

Operator

Name: T-C OIL CO, LLC
Location: REFUGIO
P-5 Status: Active (filed 2025-12-03)
Cum Oil (all leases): 13,683,333 bbl
Cum Gas (all leases): 22,912,895 mcf
Activities: CSGD/P, G/PUR, OPRS/G, OPRS/O
Total Permits: 282