WELL · 42-105-39191 · DISTRICT 7
Riggs 20 #4
Crockett County · Hunt-Baggett (Strawn) field · Vertical
Riggs 20 #4 (API 42-105-39191) is a well in Crockett County operated by Chesapeake Operating Inc., completed August 28, 2004.
The RRC has issued 3 drilling permits (amended twice) between 2004 and 2008, permitted to 10,000 ft.
Completion filings report 5 formation tops, including Clear Fork, Canyon, Strawn, Devonian.
No lease production has been reported under this well’s leases.
Operator of record
Oklahoma City, OK · P-5 Y, filed Jul 4, 2026 · 13,061 permits on file · (405) 935-7500
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Chesapeake Operating Inc. |
| Production reports | Red Stag Operating, LLCthrough Apr 2026 |
| Latest permit | Chesapeake Operating, Inc.Jul 18, 2008 |
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
- 5
- permits on file
- Jul 18, 2008
- last permit issued
- Aug 28, 2004
- completed
- 0
- cumulative oil, bbl
- 134K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Aug 2004 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Aug 28, 2004
- Shut in
- —
- Plugged
- —
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 3 leases this well is completed on; they carry 3 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Riggs "20" G-9-209598 | Baggett (Canyon) | Red Stag Operating, LLC | 1 | 0 | 57.8K | Nov 2004 – Jul 2026 |
| Riggs 20 G-9-244438 | Hunt-Baggett (Strawn) | Red Stag Operating, LLC | 1 | 0 | 69.7K | Mar 2008 – Jul 2026 |
| Riggs "20" G-9-207323 | Hunt-Baggett (Strawn) | Chesapeake Operating, Inc. | 1 | 0 | 6.06K | Aug 2004 – Nov 2004 |
Gas, mcf lease total
Last 12 months 1,027 · prior 12 531(+93%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Chesapeake Operating, Inc.Sep 2004 → Aug 2012
- 2Enervest Operating, L.L.C.Sep 2012 → Jan 2019
- 3Bedrock Production, LLCFeb 2019 → Aug 2025
- 4Bedrock Energy Partners, LLCSep 2025 → Dec 2025
- 5Red Stag Operating, LLCJan 2026 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 663752-99 | Recompletion | Chesapeake Operating, Inc. | Jun 4, 2008 | Jul 18, 2008 | Mar 18, 2008 | 10,000 |
| 557989-99 | Recompletion | Chesapeake Operating, Inc. | Feb 22, 2005 | Feb 22, 2005 | — | 9,100 |
| 540678-97 | Drill | Concho Exploration Inc | Apr 16, 2004 | Jan 14, 2004 | May 24, 2004 | 10,000 |
| 540678-98 | Drill | Concho Exploration Inc | Apr 9, 2004 | Jan 14, 2004 | — | 8,700 |
| 540678-99 | Drill | Concho Exploration Inc | Jan 13, 2004 | Jan 14, 2004 | — | 8,700 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-9-207323 | — | — | — | — |
| — | — G-9-209598 | — | — | — | — |
| — | — G-9-244438 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,331 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Clear ForkCLEARFORK | 2,486 | -155 |
| CanyonTOP OF CANYON | 5,078 | -2,747 |
| CanyonCANYON 8000A | 8,001 | -5,670 |
| Strawn | 9,087 | -6,756 |
| Devonian | 9,371 | -7,040 |
| Ellenburger | 9,508 | -7,177 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,024 | 8,122 | Perforated |
| 9,148 | 9,204 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,266 | 12.25 | 335 S |
| 4.5 | 10,012 | 7.875 | 1,360 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 6, 2009 | Jul 24, 2008 | — |
| 00 | Jan 29, 2009 | — | — |
| 00 | Oct 20, 2005 | May 26, 2005 | Yes |
| 00 | Jul 22, 2005 | — | — |
| 00 | Jun 17, 2005 | Nov 1, 2004 | Yes |
| 00 | Apr 6, 2005 | — | — |
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 42-105-39191 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-105-39191 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. 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/10539191, documented in the API reference.