WELL · 42-211-33999 · DISTRICT 10
Big Lake 102 #1
Hemphill County · Achilles (Tonkawa) field · Vertical
Big Lake 102 #1 (API 42-211-33999) is a plugged well in Hemphill County, plugged January 10, 2013, last operated by Charter Oak Production CO. LLC.
The RRC has issued one drilling permit (amended twice), issued September 18, 2007, permitted to 13,450 ft.
Completion filings report 4 formation tops, including Douglas, Tonkawa, Cleveland, Morrow.
Operator of record
Charter Oak Production Co. LLC
Oklahoma City, OK · P-5 Y, filed Jun 4, 2026 · 12 permits on file · (405) 630-4350
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Charter Oak Production Co. LLC |
| Production reports | Charter Oak Production Co., LLCthrough Sep 2012 |
| Latest permit | Charter Oak Production Co., LLCOct 2, 2008 |
- 13,450
- total depth, ft
- 3
- permits on file
- Oct 2, 2008
- last permit issued
- May 18, 2008
- completed
- 0
- cumulative oil, bbl
- 44.2K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · May 2008 THROUGH Jan 2015
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- May 18, 2008
- Shut in
- —
- Plugged
- Jan 10, 2013
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 |
|---|---|---|---|---|---|---|
| Big Lake 102 G-14-244557 | Achilles (Tonkawa) | Charter Oak Production Co., LLC | 1 | 0 | 44.2K | May 2008 – Jan 2015 |
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.
- 1Charter Oak Production Co., LLCAug 2008 → Sep 2012
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 645445-97 | Drill | Charter Oak Production Co., LLC | Oct 30, 2009 | Oct 2, 2008 | Aug 26, 2007 | 13,450 |
| 645445-98 | Drill | Charter Oak Production Co., LLC | Aug 11, 2008 | Sep 18, 2007 | Aug 26, 2007 | 13,450 |
| 645445-99 | Drill | Charter Oak Production Co., LLC | Aug 31, 2007 | Sep 18, 2007 | Aug 26, 2007 | 13,450 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-14-244557 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,320 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,440 | 8,456 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 3,365 | 12.25 | 2,445 S |
| 4.5 | 8,697 | 6.125 | 120 S |
| 7 | 13,006 | 8.75 | 285 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 | Feb 24, 2009 | Aug 7, 2008 | Yes |
| 00 | Feb 3, 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 42-211-33999 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-211-33999 → 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/21133999, documented in the API reference.