WELL · 42-355-33721 · DISTRICT 4

Chapman Ranch #10

Plugged

Nueces County · Mobil-David (Frio 12 600) field · Vertical

Chapman Ranch #10 (API 42-355-33721) is a plugged well in Nueces County, plugged January 2, 2013, last operated by Apache Corporation.

The RRC has issued one drilling permit, issued April 20, 2005, permitted to 13,100 ft.

It was permitted by Westport Oil And Gas Company, LP and has since transferred to Apache Corporation on the wellbore schedule.

Completion filings report 3 formation tops, including Tex Miss, Anderson, Howell Height.

Operator of record

Apache Corporation

Permitted by Westport Oil and Gas Company, LP; the EWA schedule now lists a different operator.

Houston, TX · P-5 Y, filed Oct 4, 2025 · 9,754 permits on file · (713) 296-6400

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedule	Apache Corporation
Production reports	none
Latest permit	Westport Oil and Gas Company, LPApr 20, 2005

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

13,100: total depth, ft
1: permits on file
Apr 20, 2005: last permit issued
Jul 20, 2005: completed
0: cumulative oil, bbl
0: cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jul 2005 THROUGH Jan 2013

Regulatory status · RRC wellbore file

Schedule: OFF SCHEDULE
Completed: Jul 20, 2005
Shut in: —
Plugged: Jan 2, 2013

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
Chapman Ranch G-4-213793	Mobil-David (Frio 12,600)	Apache Corporation	1	0	0	Jul 2005 – Jan 2013

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

Permits

Permit	Type	Operator	Received	Issued	Spud	Depth
560798-99	Drill	Westport Oil and Gas Company, LP	Apr 20, 2005	Apr 20, 2005	Jun 2, 2005	13,100

Completions

Completed	Lease	Field	Operator	Status	Depth
—	— G-4-213793	—	—	—	—

Formation tops

As filed on W-2/G-1. Subsea from 34 ft elevation.Download CSV →

Formation	MD ft	Subsea
Tex Miss	9,445	-9,411
Anderson	11,130	-11,096
Howell Height	12,180	-12,146

Perforations

Perforated and open-hole intervals.

From	To	Type
12,210	12,218	Perforated
12,278	12,284	Perforated
12,310	12,318	Perforated
12,388	12,398	Perforated

Casing

Strings as reported, shallowest first.

Casing in	Set at	Hole in	Cement
13.375	2,505	17.5	1,410 S
9.625	10,672	12.25	615 S
4.5	12,656	5.5	175 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	May 10, 2006	Oct 28, 2005	Yes
00	Feb 8, 2006	—	—

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 42-355-33721 → W-2, G-1, plugging reports, as PDFs
Completion packets for 42-355-33721 → 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/35533721, documented in the API reference.