WELL · 42-479-31386 · DISTRICT 4

Matrix Land Co. #7

Webb County · Owen (Olmos) field · Producing · Vertical

Matrix Land CO. #7 (API 42-479-31386) is a well in Webb County operated by Escondido Resources Oper CO LLC, completed February 5, 1977 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued August 20, 2024, permitted to 6,200 ft.

Completion filings report 3 formation tops, including Wilcox, Escondido, Olmos.

No lease production has been reported under this well’s leases.

Operator of record

Escondido Resources Oper Co LLC

Houston, TX · P-5 Y, filed Dec 4, 2025 · 162 permits on file · (713) 662-0332

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedule	Escondido Resources Oper Co LLC
Production reports	Escondido Resources Oper Co, LLCthrough Apr 2026
Latest permit	Escondido Resources Oper Co, LLCAug 20, 2024

6,200: total depth, ft
1: permits on file
Aug 20, 2024: last permit issued
Feb 5, 1977: completed
0: cumulative oil, bbl
385K: cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule: ON SCHEDULE
Completed: Feb 5, 1977
Shut in: —
Plugged: —

Operator's P-5 on the schedule: Active

Surface location

27.922782, -99.484950

OpenStreetMap → · Google Maps →

Permit surface location from the RRC GIS record, in Webb County.

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
Matrix Land Co. G-4-70770	Owen (Olmos)	Escondido Resources Oper Co, LLC	1	0	385K	Jan 1993 – Jul 2026

Gas, mcf lease total

Last 12 months 1,615 · prior 12 5,314(-70%)

Chain of custody

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

1Kaiser-Francis Oil CompanyJan 1993 → Mar 2009
2Escondido Resources II, LLCApr 2009 → Mar 2015
3Escondido Resources Oper Co, LLCApr 2015 → Apr 2026

Permits

Permit	Type	Operator	Received	Issued	Spud	Depth
902121-99	Recompletion	Escondido Resources Oper Co, LLC	Aug 19, 2024	Aug 20, 2024	Jan 17, 1977	6,200

Completions

Completed	Lease	Field	Operator	Status	Depth
—	— G-4-70770	—	—	—	—

Formation tops

As filed on W-2/G-1. Subsea from 786 ft elevation.Download CSV →

Formation	MD ft	Subsea
Wilcox	4,965	-4,179
Escondido	5,818	-5,032
Olmos	7,471	-6,685

Perforations

Perforated and open-hole intervals.

From	To	Type
5,773	5,994	Perforated

Casing

Strings as reported, shallowest first.

Casing in	Set at	Hole in	Cement
9.625	924	13.25	620 S
5.5	6,125	7.875	930 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	May 7, 2024	—

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 42-479-31386 → W-2, G-1, plugging reports, as PDFs
Completion packets for 42-479-31386 → 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.

Nearby wells and their tops

NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM

Draw a cross-section

This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.

Open the cross-section →

Cerrito Julius42-479-44821

0.6 KM · Escondido Resources Oper Co, LLC · Section with this well →

Wilcox	4,628	-3,855
Escondido	5,752	-4,979
Olmos	6,943	-6,170
Eagle Ford	11,335	-10,562
Catahoula	—
Yegua	—
Queen City	—
Jackson	—

10 TOPS · FIRST 8

Cerrito Julius42-479-44816

0.6 KM · Escondido Resources Oper Co, LLC · Section with this well →

Wilcox	4,700	-3,928
Escondido	5,764	-4,992
Olmos	6,987	-6,215
Austin Chalk	10,870	-10,098
Edwards	—
Catahoula	—
Cook Mountain	—
Yegua	—

11 TOPS · FIRST 8

Cerrito I42-479-41258

0.8 KM · Escondido Resources Oper Co, LLC · Section with this well →

Wilcox	4,946	-4,138
Wilcox	4,946	-4,138
Escondido	5,817	-5,009
Olmos	7,806	-6,998

Cerrito Matrix Unit D42-479-43743

1.1 KM · Escondido Resources Oper Co, LLC · Section with this well →

Wilcox	1,350	-634
Escondido	5,637	-4,921
Jackson	—
Edwards	—
Eagle Ford	—
Cook Mountain	—
Catahoula	—
Yegua	—

10 TOPS · FIRST 8

Cerrito Matrix Unit D42-479-43742

1.1 KM · Escondido Resources Oper Co, LLC · Section with this well →

Wilcox	1,350	-634
Olmos	5,511	-4,795
Escondido	5,641	-4,925
Edwards	—
Catahoula	—
Cook Mountain	—
Eagle Ford	—
Jackson	—

10 TOPS · FIRST 8

Cerrito42-479-43736

1.1 KM · Escondido Resources Oper Co, LLC · Section with this well →

Wilcox	1,350	-634
Escondido	5,616	-4,900
Olmos	7,290	-6,574
Eagle Ford	11,155	-10,439
Yegua	—
Jackson	—
Edwards	—
Cook Mountain	—

10 TOPS · FIRST 8

Cerrito42-479-43735

1.1 KM · Escondido Resources Oper Co, LLC · Section with this well →

Wilcox	1,350	-633
Escondido	5,613	-4,896
Olmos	7,286	-6,569
Eagle Ford	11,167	-10,450
Jackson	—
Yegua	—
Sligo	—
Queen City	—

11 TOPS · FIRST 8

Cerrito42-479-43734

1.2 KM · Escondido Resources Oper Co, LLC · Section with this well →

Wilcox	1,350	-633
Escondido	5,607	-4,890
Olmos	7,285	-6,568
Eagle Ford	11,144	-10,427
Cook Mountain	—
Yegua	—
Catahoula	—
Queen City	—

10 TOPS · FIRST 8

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/47931386, documented in the API reference.