WELL · 42-203-35266 · DISTRICT 6
Herrin Sylvia & Sandra GU 1 #3H
Harrison County · Carthage (Haynesville Shale) field · Producing · Horizontal
Herrin Sylvia & Sandra GU 1 #3H (API 42-203-35266) is a horizontal well in Harrison County operated by Comstock Oil & Gas LLC, completed April 11, 2017 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued January 13, 2017, permitted to 11,300 ft.
It was permitted by Covey Park Resources LLC and has since transferred to Comstock Oil & Gas LLC on the wellbore schedule.
Completion filings report 10 formation tops, including Blossom, Goodland, Glen Rose, Rodessa.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Covey Park Resources LLC; the EWA schedule now lists a different operator.
Frisco, TX · P-5 Y, filed Jun 4, 2026 · 237 permits on file · (800) 929-4884
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Comstock Oil & Gas LLC |
| Production reports | Comstock Oil & Gas, LLCthrough Apr 2026 |
| Latest permit | Covey Park Resources LLCJan 13, 2017 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 11,300
- total depth, ft
- 1
- permits on file
- Jan 13, 2017
- last permit issued
- Apr 11, 2017
- completed
- 0
- cumulative oil, bbl
- 6.7M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Apr 2017 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Apr 11, 2017
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
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 |
|---|---|---|---|---|---|---|
| Herrin, Sylvia & Sandra GU 1 G-6-283214 | Carthage (Haynesville Shale) | Comstock Oil & Gas, LLC | 1 | 0 | 6.7M | Apr 2017 – Jul 2026 |
Gas, mcf lease total
Last 12 months 177,560 · prior 12 230,344(-23%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Covey Park Resources LLCApr 2017 → Aug 2019
- 2Comstock Oil & Gas, LLCSep 2019 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 820587-99 | Drill | Covey Park Resources LLC | Nov 21, 2016 | Jan 13, 2017 | Feb 9, 2017 | 11,300 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-6-283214 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 381 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Blossom | 2,663 | -2,282 |
| Goodland | 2,935 | -2,554 |
| Glen Rose | 5,220 | -4,839 |
| Rodessa | 5,282 | -4,901 |
| PettitPETTET | 6,009 | -5,628 |
| Travis Peak | 6,340 | -5,959 |
| Cotton Valley | 8,387 | -8,006 |
| NacatochNACATOCH - OVER PRESSURED, WATER | — | — |
| Paluxy | — | — |
| Woodbine | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 11,475 | 15,986 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 16 | 1,176 | 20 | 1,290 S |
| 10.75 | 5,926 | 13.5 | 2,020 S |
| 5.5 | 9,950 | 6.75 | 835 S |
| 7.625 | 10,126 | 9.875 | 765 S |
| 5 | 16,121 | 6.75 | 835 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 13, 2018 | Sep 21, 2017 | 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 42-203-35266 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-203-35266 → 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/20335266, documented in the API reference.