WELL · 42-355-30801 · DISTRICT 4
Chapman J. O. #120
Nueces County · Chapman Ranch (Miocene Cons.) field · Vertical
Chapman J. O. #120 (API 42-355-30801) is a plugged well in Nueces County, plugged May 20, 2014, last operated by Decker Operating CO. L.L.C..
The RRC has issued 2 drilling permits between 1997 and 2001, permitted to 5,060 ft.
It was permitted by Shana Petroleum Company and has since transferred to Decker Operating CO. L.L.C. on the wellbore schedule.
Completion filings report 4 formation tops, including Frio, Lagarto, Oakville, Catahoula.
Operator of record
Permitted by Shana Petroleum Company; the EWA schedule now lists a different operator.
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 Oct 2004 |
| Latest permit | Shana Petroleum CompanyMar 2, 2001 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 5,060
- total depth, ft
- 2
- permits on file
- Mar 2, 2001
- last permit issued
- May 7, 2001
- completed
- 0
- cumulative oil, bbl
- 18.5K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH May 2014
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- May 7, 2001
- Shut in
- —
- Plugged
- May 20, 2014
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 3 leases this well is completed on; they carry 3 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Chapman, J. O. G-4-182863 | Chapman Ranch (Miocene Cons.) | Decker Operating Co., L.L.C. | 1 | 0 | 18.5K | May 2001 – May 2014 |
| Chapman, J.O. O-4-12724 | Chapman Ranch (Catahoula,mass-C) | Shana Petroleum Company | 1 | 0 | 0 | Jul 1997 – Jul 2001 |
| Chapman, J. O. O-4-8806 | Chapman Ranch (Catahoula, Mass-D | Shell Western E&P Inc. | 1 | 0 | 0 | Jan 1993 – Dec 1997 |
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.
- 1Shana Petroleum CompanyMay 2001 → Apr 2002
- 2Neg Operating LLCMay 2002 → Mar 2004
- 3Decker Operating Co., L.L.C.Jul 2004 → Oct 2004
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 506013-99 | Recompletion | Shana Petroleum Company | Mar 2, 2001 | Mar 2, 2001 | Apr 30, 2001 | 4,645 |
| 462631-99 | Recompletion | Shell Western E&P Inc. | May 19, 1997 | May 19, 1997 | Jul 21, 1997 | 5,060 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-182863 | — | — | — | — |
| — | — O-4-8806 | — | — | — | — |
| — | — O-4-12724 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 40 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,016 | 3,020 | Perforated |
| 4,686 | 4,696 | Perforated |
| — | 4,838 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,325 | 13.75 | 600 S |
| 4.5 | 5,060 | 7.875 | 800 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 | Aug 10, 2001 | May 31, 2001 | Yes |
| 00 | Jun 22, 2001 | — | — |
| 00 | Dec 30, 1997 | Oct 8, 1997 | Yes |
| 00 | Dec 15, 1997 | Dec 13, 1976 | — |
| 00 | Jan 12, 1984 | Dec 13, 1976 | — |
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 42-355-30801 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-355-30801 → 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/35530801, documented in the API reference.