WELL · 42-009-41891 · DISTRICT 9
CMK #1
Archer County · Archer County Regular field · Vertical
Cmk #1 (API 42-009-41891) is a plugged well in Archer County, plugged August 23, 2010, last operated by Knobloch Albert.
The RRC has issued one drilling permit, issued October 4, 2008, permitted to 5,200 ft.
Completion filings report 3 formation tops, including Strawn, Congl, Mississippian.
Its lease has reported 824 barrels of oil since December 2008, last reporting in November 2010.
Operator of record
Graham, TX · P-5 Y, filed Jun 4, 2026 · 30 permits on file · (940) 564-6388
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Knobloch Albert |
| Production reports | Knobloch, Albertthrough Nov 2009 |
| Latest permit | Knobloch, AlbertOct 4, 2008 |
- 5,200
- total depth, ft
- 1
- permits on file
- Oct 4, 2008
- last permit issued
- Dec 28, 2008
- completed
- 824
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Dec 2008 THROUGH Nov 2010
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Dec 28, 2008
- Shut in
- —
- Plugged
- Aug 23, 2010
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 |
|---|---|---|---|---|---|---|
| CMK O-13-31379 | Archer County Regular | Knobloch, Albert | 1 | 824 | 0 | Dec 2008 – Nov 2010 |
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.
- 1Knobloch, AlbertFeb 2009 → Nov 2009
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 671637-99 | Drill | Knobloch, Albert | Sep 22, 2008 | Oct 4, 2008 | Nov 19, 2008 | 5,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-13-31379 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 8 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Strawn | 1,700 | -1,692 |
| Congl | 4,600 | -4,592 |
| MississippianMISSISSIPPI | 5,040 | -5,032 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,050 | — | Open hole |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 120 | 12.25 | 100 S |
| 4.5 | 5,150 | 7.875 | 225 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 | Oct 14, 2009 | Feb 17, 2009 | Yes |
| 00 | Sep 9, 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.
- Wellbore filings for 42-009-41891 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-009-41891 → 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/00941891, documented in the API reference.