WELL · 42-359-30336 · DISTRICT 10
CS Jr. A #1
Oldham County · Wildcat field · Vertical
CS JR. A #1 (API 42-359-30336) is a plugged well in Oldham County, plugged August 18, 2014, last operated by Cambridge Production Inc..
The RRC has issued one drilling permit, issued January 5, 2011, permitted to 7,500 ft.
Completion filings report 3 formation tops, including Brown Dolomite, Missourian Lime, Des Moines.
Operator of record
Amarillo, TX · P-5 Y, filed Feb 7, 2020 · 60 permits on file · (806) 206-9408
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Cambridge Production Inc. |
| Production reports | none |
| Latest permit | Cambridge Production, Inc.Jan 5, 2011 |
- 7,500
- total depth, ft
- 1
- permits on file
- Jan 5, 2011
- last permit issued
- Mar 22, 2011
- completed
- 0
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jul 2012 THROUGH Feb 2015
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Mar 22, 2011
- Shut in
- —
- Plugged
- Aug 18, 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 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 |
|---|---|---|---|---|---|---|
| CS, Jr. "A" O-14-8947 | Wildcat | Cambridge Production, Inc. | 1 | 0 | 0 | Jul 2012 – Feb 2015 |
No volumes reported on these leases in the last three years.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 707823-99 | Drill | Cambridge Production, Inc. | Jan 3, 2011 | Jan 5, 2011 | Jan 20, 2011 | 7,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-14-8947 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 3,574 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Brown Dolomite | 3,690 | -116 |
| Missourian Lime | 5,036 | -1,462 |
| Des Moines | 5,701 | -2,127 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,444 | 5,448 | Perforated |
| 5,552 | 5,575 | Perforated |
| 5,620 | 5,622 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 505 | 17.5 | 475 S |
| 9.625 | 2,546 | 12.25 | 425 S |
| 7 | 5,085 | 8.75 | 875 S |
| 4.5 | 5,855 | 6.125 | 350 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 | Jul 24, 2014 | Oct 18, 2013 | 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 42-359-30336 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-359-30336 → 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/35930336, documented in the API reference.