WELL · 42-331-33866 · DISTRICT 1
Polzer #1
Milam County · Cherokee (Austin Chalk Lo.) field · Shut IN · Horizontal
Polzer #1 (API 42-331-33866) is a horizontal well in Milam County operated by Cimrod LLC, completed November 19, 2011 and listed as shut in on the RRC schedule.
The RRC has issued one drilling permit (amended twice), issued March 15, 2011, permitted to 10,000 ft.
It was permitted by Slawson Exploration Company, Inc and has since transferred to Cimrod LLC on the wellbore schedule.
Completion filings report 4 formation tops, including Navarro, Pecan Gap, Austin Chalk, Eagle Ford.
Its lease has reported 21.7K barrels of oil and 1.59K mcf of gas since November 2011, last reporting in July 2026.
Operator of record
Permitted by Slawson Exploration Company, Inc; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed Mar 4, 2026 · 3 permits on file · (504) 914-7439
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Cimrod LLC |
| Production reports | Slawson Exploration Company, Incthrough Feb 2015 |
| Latest permit | Slawson Exploration Company, IncMar 15, 2011 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,000
- total depth, ft
- 3
- permits on file
- Mar 15, 2011
- last permit issued
- Nov 19, 2011
- completed
- 21.7K
- cumulative oil, bbl
- 1.59K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Nov 2011 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Nov 19, 2011
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Delinquent
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 |
|---|---|---|---|---|---|---|
| Polzer O-1-16500 | Cherokee (Austin Chalk, Lo.) | Cimrod, LLC | 1 | 21.7K | 1.59K | Nov 2011 – Jul 2026 |
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.
- 1Slawson Exploration Company, IncNov 2011 → Sep 2014
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 711503-97 | Drill | Slawson Exploration Company, Inc | Dec 4, 2012 | Mar 15, 2011 | Jun 2, 2011 | 10,000 |
| 711503-98 | Drill | Slawson Exploration Company, Inc | Aug 30, 2011 | Mar 15, 2011 | Jun 2, 2011 | 10,000 |
| 711503-99 | Drill | Slawson Exploration Company, Inc | Mar 4, 2011 | Mar 15, 2011 | Jun 3, 2011 | 6,350 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-16500 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 467 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Navarro | 3,290 | -2,823 |
| Pecan Gap | 4,650 | -4,183 |
| Austin Chalk | 5,305 | -4,838 |
| Eagle FordEAGLEFORD | 6,146 | -5,679 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,490 | 6,372 | Open hole |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 2,640 | 12.25 | 700 S |
| 7 | 6,342 | 8.75 | 276 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 | Apr 17, 2013 | Feb 9, 2012 | 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 42-331-33866 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-331-33866 → 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/33133866, documented in the API reference.