TEXAS · WELLS · ZAPATA COUNTY · MARTINEZ, FELIPE ET AL LEASE · API 42-505-33785 · DISTRICT 04

Martinez Felipe et Al #4

Plugged

Zapata County · Cisco-Benavides (Lobo Cons.) field · Vertical

Martinez Felipe ET AL #4 (API 42-505-33785) is a plugged well in Zapata County, plugged December 18, 2012, last operated by Chevron U. S. A. Inc..

The RRC has issued one drilling permit, issued April 6, 1998, permitted to 9,500 ft.

Completion filings report one formation top, including Lobo Unconformity.

Operator of record

Chevron U. S. A. Inc.

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 Jun 2009
Latest permit	Chevron U. S. A. Inc.Apr 6, 1998

9,500: total depth, ft
1: permits on file
Apr 6, 1998: last permit issued
Aug 20, 1998: completed
0: cumulative oil, bbl
1.29M: cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · May 1998 THROUGH Dec 2012

Regulatory status · RRC wellbore file

Schedule: OFF SCHEDULE
Completed: Aug 20, 1998
Shut in: —
Plugged: Dec 18, 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, Felipe et Al G-4-169015	Francisco (Lobo 8200)	Chevron U. S. A. Inc.	1	0	1.29M	May 1998 – Dec 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 1998 → Jun 2009

Permits

Permit	Type	Operator	Received	Issued	Spud	Depth
475072-99	Drill	Chevron U. S. A. Inc.	Apr 6, 1998	Apr 6, 1998	Apr 16, 1998	9,500

Completions

Completed	Lease	Field	Operator	Status	Depth
Aug 20, 1998	Martinez Felipe et Al G-4-169015	Cisco-Benavides (Lobo Cons.)	Chevron U. S. A. Inc.	Plugged	—

Formation tops

As filed on W-2/G-1. Subsea from 375 ft elevation.Download CSV →

Formation	MD ft	Subsea
Lobo Unconformity	7,900	-7,525
Lobo Unconformity	9,700	-9,325

Perforations

Perforated and open-hole intervals.

From	To	Type
7,918	7,928	Perforated
8,168	8,178	Perforated

Casing

Strings as reported, shallowest first.

Casing in	Set at	Hole in	Cement
9.625	1,095	12.25	450 S
7	6,790	8.75	280 S
2.875	8,940	6.125	420 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 →

Filed	W-2 / G-1 date	Logs referenced
Dec 7, 2009	Oct 16, 2009	—
Oct 8, 1998	Sep 21, 1998	—
Jul 31, 1998	Jun 11, 1998	Yes
Jul 29, 1998	—	—

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 42-505-33785 → W-2, G-1, plugging reports, as PDFs
Completion packets for 42-505-33785 → 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/50533785, documented in the API reference.