WELL · 42-021-31138 · DISTRICT 3
Cook Walter Jr. #2
Bastrop County · Serbin (Taylor Sand) field · Vertical
Cook Walter JR. #2 (API 42-021-31138) is a plugged well in Bastrop County, plugged May 7, 2014, last operated by Riley Exploration Opg CO LLC.
The RRC has issued one drilling permit, issued December 14, 1987, permitted to 5,600 ft.
It was permitted by Discorbis Oil CO. and has since transferred to Riley Exploration Opg CO LLC on the wellbore schedule.
Completion filings report 3 formation tops, including Carrizo, Navarro, Taylor.
Its lease has reported 25K barrels of oil and 66K mcf of gas since January 1993, last reporting in August 2017. The lease carries 2 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Discorbis Oil Co.; the EWA schedule now lists a different operator.
LA Grange, TX · P-5 Y, filed Nov 2, 2018 · 63 permits on file · (405) 485-8200
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Riley Exploration Opg Co LLC |
| Production reports | Riley Exploration Opg Co, LLCthrough Nov 2015 |
| Latest permit | Discorbis Oil Co.Dec 14, 1987 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 5,600
- total depth, ft
- 1
- permits on file
- Dec 14, 1987
- last permit issued
- Feb 16, 1988
- completed
- 25K
- cumulative oil, bbl
- 66K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Aug 2017
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Feb 16, 1988
- Shut in
- —
- Plugged
- May 7, 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; they carry 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Cook, Walter Jr. O-3-19796 | Serbin (Taylor Sand) | Riley Exploration Opg Co, LLC | 2 | 25K | 66K | Jan 1993 – Aug 2017 |
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.
- 1Discorbis Oil CompanyJan 1993 → Jul 2013
- 2Riley Exploration Opg Co, LLCAug 2013 → Nov 2015
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 340213-99 | Drill | Discorbis Oil Co. | Dec 14, 1987 | Dec 14, 1987 | — | 5,600 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-3-19796 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 396 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,246 | 5,297 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 640 | 12.25 | 282 S |
| 4.5 | 5,448 | 7.875 | 1,407 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, 1988 | Mar 11, 1988 | — |
| 00 | Mar 26, 1988 | — | — |
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 42-021-31138 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-021-31138 → 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/02131138, documented in the API reference.