42-311-31449

Final Completion

MATULA ROBERT

MCMULLEN County · District 1 · TEXAS SECONDARY OIL CORPORATION · DEBBY (MIRANDO UP)

Permits

Max Depth

1,000 ft

First Permit

1980-04-22

Latest Activity

1993-10-18

Lifespan

13 yrs

Regulatory Status

Schedule

OFF SCHEDULE

Completion

1980-05-13

Shut-In

—

Plugged

—

EWA / Permit operator mismatch

Scheduling: TEXAS SECONDARY OIL CORPORATION ≠ Permit: HARMONY DRILLING COMPANY, INC.

Resolved via: scheduling → TEXAS SECONDARY OIL CORPORATION

Production Summary

Cum Oil

— bbl

Cum Gas

— mcf

First Production

1993-01

Last Production

2026-07

Operator History

Chain of Custody

TANOS PRODUCTION, INC. 1993-1994→ HARMONY DRILLING COMPANY, INC. 1993-1994→ TEXAS SECONDARY OIL CORPORATION 1994-2017

Lease Production

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

Formation Tops (3) Elevation 265 ft (GR)

CSV

Formation	Top Depth (MD)	Subsea (+above / −below SL)
WHITSETT	1 ft	+264 ft
HOCKLEY	642 ft	-377 ft
GOVT WELLS	900 ft	-635 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
944–949 ft	Perforated
1,098–1,100 ft	Perforated

Casing (2)

Size	Set Depth	Cement
4.5"	1,134 ft	106 sx
4.5"	1,134 ft	—

Permit History (2)

#416929 Recompletion Final Completion

MATULA, ROBERT · 980 ft

1993-10-18

Spud 1993-10-04

#78902 Drill Final Completion

MATULA, ROBERT · 1,000 ft

1980-04-22

Applications (2)

#416929 A HARMONY DRILLING COMPANY, INC.

received 1993-10-11

#78902 A MESQUITE LAND & MINERALS, INC.

received 1980-04-22

Records & Logs

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

W-2/G-1 1993-10-25 log on file

W-2/G-1 1993-11-09

W-2/G-1 1980-06-30

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 MCMULLEN County.

Well Details

Well Number: 1A
Max Depth: 1,000 ft
Drill Type: Vertical
County: MCMULLEN
District: 1
Operator: TEXAS SECONDARY OIL CORPORATION
Completed: 1980-05-13

Operator

Name: TEXAS SECONDARY OIL CORP
Location: DEVINE
P-5 Status: Active (filed 2025-11-12)
Cum Oil (all leases): 1,287,984 bbl
Cum Gas (all leases): 584,207 mcf
Activities: G/PUR, GTHS/G, OPRS/G, OPRS/O
Total Permits: 304