WELL · 42-355-34106 · DISTRICT 4

Chapman Ranch #4038

Plugged

Nueces County · Chapman Ranch (Upper Frio Cons.) field · Vertical

Chapman Ranch #4038 (API 42-355-34106) is a plugged well in Nueces County, plugged December 21, 2018, last operated by Decker Operating CO. L.L.C..

The RRC has issued one drilling permit, issued December 2, 2014, permitted to 7,000 ft.

Completion filings report 4 formation tops, including Catahoula, Frio, Miocene (undifferentiated), Vicksburg.

Operator of record

Decker Operating Co. L.L.C.

Houston, TX · P-5 Y, filed Jan 4, 2026 · 137 permits on file · (361) 289-1641

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedule	Decker Operating Co. L.L.C.
Production reports	Decker Operating Co., L.L.C.through Sep 2016
Latest permit	Decker Operating Co., L.L.C.Dec 2, 2014

7,000: total depth, ft
1: permits on file
Dec 2, 2014: last permit issued
Jan 2, 2015: completed
0: cumulative oil, bbl
273K: cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 2015 THROUGH Dec 2018

Regulatory status · RRC wellbore file

Schedule: OFF SCHEDULE
Completed: Jan 2, 2015
Shut in: —
Plugged: Dec 21, 2018

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-4-276142	Chapman Ranch (Upper Frio Cons.)	Decker Operating Co., L.L.C.	1	0	273K	Jan 2015 – Dec 2018

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.

1Decker Operating Co., L.L.C.Jan 2015 → Sep 2016

Permits

Permit	Type	Operator	Received	Issued	Spud	Depth
801035-99	Drill	Decker Operating Co., L.L.C.	Dec 2, 2014	Dec 2, 2014	Dec 9, 2014	7,000

Completions

Completed	Lease	Field	Operator	Status	Depth
—	— G-4-276142	—	—	—	—

Formation tops

As filed on W-2/G-1. Subsea from 40 ft elevation.Download CSV →

Formation	MD ft	Subsea
CatahoulaCATAHOULA-ANAHUAC - INJECTION/DI	4,160	-4,120
CatahoulaCATAHOULA-FRIO - INJECTION/DISPO	4,160	-4,120
Frio	5,600	-5,560
Miocene (undifferentiated)MIOCENE-FLEMING(LAGARTO)-OAKVILL	—	—
Vicksburg	—	—

Perforations

Perforated and open-hole intervals.

From	To	Type
6,782	6,784	Perforated
6,788	6,798	Perforated

Casing

Strings as reported, shallowest first.

Casing in	Set at	Hole in	Cement
8.625	1,151	12.25	455 S
5.5	7,000	7.875	325 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	Mar 30, 2015	Mar 18, 2015	Yes

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 42-355-34106 → W-2, G-1, plugging reports, as PDFs
Completion packets for 42-355-34106 → 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/35534106, documented in the API reference.