TEXAS · WELLS · ZAPATA COUNTY · MARTINEZ, ANTONIO ET AL UNIT LEASE · API 42-505-30988 · DISTRICT 04

Martinez Antonio et al Unit #1

Plugged

Zapata County · Laredo (Lobo) field · Vertical

Martinez Antonio ET AL Unit #1 (API 42-505-30988) is a plugged well in Zapata County, plugged October 11, 2012, last operated by Chevron U. S. A. Inc..

The RRC has issued one drilling permit, issued April 12, 1978, permitted to 9,300 ft.

It was permitted by Gulf Oil Corp. and has since transferred to Chevron U. S. A. Inc. on the wellbore schedule.

Operator of record

Chevron U. S. A. Inc.

Permitted by Gulf Oil Corp.; the EWA schedule now lists a different operator.

Based in: Midland, TX
P-5 status: Active (A)
P-5 last filed: Jan 30, 2026
Permits on file: 9,293
Phone: (866) 212-1212

Watch this operator Watch Zapata County

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedule	Chevron U. S. A. Inc.
Production reports	Chevron U. S. A. Inc.through Mar 2007
Latest permit	Gulf Oil Corp.Apr 12, 1978

The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.

9,300: total depth, ft
1: permits on file
Apr 12, 1978: last permit issued
Jun 30, 1978: completed
0: cumulative oil, bbl
667K: cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Oct 2012

Regulatory status · RRC wellbore file

Schedule: OFF SCHEDULE
Completed: Jun 30, 1978
Shut in: —
Plugged: Oct 11, 2012

Surface location

No coordinates on the permit record yet. The RRC's GIS record usually lands within days of issuance; historical master-file permits never carry one.

Lease production

PDQ LEASE REPORTS · REPORTED THROUGH APR 2026

Texas reports oil by lease, not by well. These are the lease this well is completed on; this well is the only one on it.Why →

Lease	Field	Reporting operator	Wells	Oil, bbl	Gas, mcf	Reported
Martinez, Antonio et al Unit G-4-78043	Laredo (Lobo)	Chevron U. S. A. Inc.	1	0	667K	Jan 1993 – Oct 2012

No volumes reported on these leases in the last three years.

Chain of custody

Every operator that reported production on this well's lease, in order.

1Chevron U. S. A. Inc.May 1993 → Mar 2007

Permits

Permit	Type	Operator	Received	Issued	Spud	Depth
21986-99	Drill	Gulf Oil Corp.	Apr 12, 1978	Apr 12, 1978	—	9,300

Completions

Completed	Lease	Field	Operator	Status	Depth
Jun 30, 1978	Martinez Antonio et al Unit G-4-78043	Laredo (Lobo)	Chevron U. S. A. Inc.	Plugged	—

Casing

Strings as reported, shallowest first.

Casing in	Set at	Hole in	Cement
10.75	885	15	385 S
7.625	6,261	9.875	550 S

Completion filings

W-2 and G-1 reports on record in the RRC wellbore file, newest first. The suffix identifies the wellbore or completion event. About these reports →

Suffix	Filed	W-2 / G-1 date	Logs referenced
00	Jan 12, 1984	Aug 28, 1978	—

The source documents

Petrora holds the structured record. The scanned filings live at the RRC; these links open its search already filled in for this API.

Wellbore filings for 42-505-30988 → W-2, G-1, plugging reports, as PDFs
Completion packets for 42-505-30988 → scanned completion filings

Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward). then paste it into their search.

About this data

Permits from the RRC OGA049M master and daily daf420 files; wellbore and operator of record from the EWA schedule, weekly; completions, formation tops, casing, and perforations from the dbf900 wellbore file; production from PDQ lease reports, which lag two to three months; injection from UIC permits, H-10 reports, and TexNet daily volumes; earthquakes from the TexNet catalog.

New to these records? How to read a well page · API numbers · completion reports and tops · why production is by lease

Developers: this page as JSON is GET /v1/data/wells/50530988, documented in the API reference.