WELL · 42-355-33902 · DISTRICT 4

Chapman Ranch #647

N

Nueces County · Chapman Ranch (Anderson Lo.) field  · Vertical

Chapman Ranch #647 (API 42-355-33902) is a well in Nueces County operated by Decker Operating CO. L.L.C., completed November 20, 2008.

The RRC has issued 2 drilling permits (amended once) between 2008 and 2011, permitted to 13,500 ft.

Completion filings report 7 formation tops, including Massive Catahoula, M. Catahoula, Top Firo, Frio.

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

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 scheduleDecker Operating Co. L.L.C.
Production reportsDecker Operating Co., L.L.C.through Aug 2019
Latest permitDecker Operating Co., L.L.C.May 17, 2011
13,500
total depth, ft
3
permits on file
May 17, 2011
last permit issued
Nov 20, 2008
completed
0
cumulative oil, bbl
131K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Nov 2008 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Nov 20, 2008
Shut in
—
Plugged
—

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 2 leases this well is completed on; they carry 2 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Chapman Ranch G-4-261596Chapman Ranch (Catahoula Cons.)Decker Operating Co., L.L.C.1093.6KMay 2011 – Jul 2026
Chapman Ranch G-4-243891Chapman Ranch (Anderson, Lo.)Decker Operating Co., L.L.C.1036.9KNov 2008 – May 2011

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.

  1. 1Decker Operating Co., L.L.C.Nov 2008 → Aug 2019

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
716283-99RecompletionDecker Operating Co., L.L.C.May 12, 2011May 17, 2011Apr 5, 20115,810
658085-98DrillDecker Operating Co., L.L.C.Dec 29, 2008Jun 11, 2008Jul 5, 200813,500
658085-99DrillDecker Operating Co., L.L.C.Mar 25, 2008Jun 11, 2008—13,500

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-4-243891————
—— G-4-261596————

Formation tops

As filed on W-2/G-1. Subsea from 45 ft elevation.Download CSV →

FormationMD ftSubsea
Massive Catahoula4,680-4,635
M. Catahoula4,680-4,635
Top Firo5,530-5,485
FrioTOP FRIO5,530-5,485
Lehman Sand9,890-9,845
Anderson Sand11,040-10,995
Howell Hight12,630-12,585

Perforations

Perforated and open-hole intervals.

FromToType
4,5744,582Perforated
11,68011,687Perforated
11,70411,710Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
10.752,52514.751,481 S
7.62510,3109.875772 S
4.513,0006.75224 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 →

SuffixFiledW-2 / G-1 dateLogs referenced
00Dec 20, 2011Jun 1, 2011—
00Feb 23, 2009Dec 30, 2008Yes
00Jan 14, 2009——

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.

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/35533902, documented in the API reference.