WELL · 42-479-33797 · DISTRICT 4

Clark N. H. #7

Plugged

Webb County · Laredo (Lobo) field · Vertical

Clark N. H. #7 (API 42-479-33797) is a plugged well in Webb County, plugged March 26, 1993, last operated by Columbus Energy Corp..

The RRC has issued one drilling permit, issued December 28, 1983, permitted to 7,900 ft.

It was permitted by Consolidated Oil & Gas, Inc. and has since transferred to Columbus Energy Corp. on the wellbore schedule.

Completion filings report 5 formation tops, including Queen City, Reklaw, Corrizo Wilcox, Lobo Series.

Operator of record

Columbus Energy Corp.

Permitted by Consolidated Oil & Gas, Inc.; the EWA schedule now lists a different operator.

Tulsa, OK · P-5 Y, filed Sep 7, 2007 · 213 permits on file

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedule	Columbus Energy Corp.
Production reports	none
Latest permit	Consolidated Oil & Gas, Inc.Dec 28, 1983

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

7,900: total depth, ft
1: permits on file
Dec 28, 1983: last permit issued
May 7, 1984: completed
0: cumulative oil, bbl
0: cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Mar 1993

Regulatory status · RRC wellbore file

Schedule: OFF SCHEDULE
Completed: May 7, 1984
Shut in: —
Plugged: Mar 26, 1993

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
Clark, N. H. G-4-111393	Laredo (Lobo)	Columbus Energy Corp.	1	0	0	Jan 1993 – Mar 1993

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

Permits

Permit	Type	Operator	Received	Issued	Spud	Depth
224906-99	Drill	Consolidated Oil & Gas, Inc.	Dec 27, 1983	Dec 28, 1983	Feb 28, 1984	7,900

Completions

Completed	Lease	Field	Operator	Status	Depth
—	— G-4-111393	—	—	—	—

Formation tops

As filed on W-2/G-1. Download CSV →

Formation	MD ft
Queen CityQUEEN CITY MASSIVE	1,860
ReklawREKLAW SHALE	2,870
Corrizo Wilcox	3,060
Lobo Series	6,630
MidwayMIDWAY SHALE	7,250

Perforations

Perforated and open-hole intervals.

From	To	Type
7,072	7,086	Perforated

Casing

Strings as reported, shallowest first.

Casing in	Set at	Hole in	Cement
10.75	848	14.75	420 sx
7.625	5,696	9.875	600 sx

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	Jul 23, 1984	Jun 13, 1984	—
00	Jul 17, 1984	Jun 13, 1984	—

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 42-479-33797 → W-2, G-1, plugging reports, as PDFs
Completion packets for 42-479-33797 → 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/47933797, documented in the API reference.