WELL · 42-419-31578 · DISTRICT 6
Marshall Anderson #1H
Shelby County · Carthage (Haynesville Shale) field · Producing · Horizontal
Marshall Anderson #1H (API 42-419-31578) is a horizontal well in Shelby County operated by Silver Hill Energy Operating LLC, completed May 6, 2011 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued April 14, 2010, permitted to 11,800 ft.
It was permitted by Eog Resources, Inc. and has since transferred to Silver Hill Energy Operating LLC on the wellbore schedule.
Completion filings report 8 formation tops, including Austin Chalk, Duck Creek, Glen Rose, Base Mass. Anhy.
No lease production has been reported under this well’s leases.
Operator of record
Silver Hill Energy Operating LLC
Permitted by EOG Resources, Inc.; the EWA schedule now lists a different operator.
Dallas, TX · P-5 Y, filed Jan 5, 2026 · 215 permits on file · (214) 613-3744
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Silver Hill Energy Operating LLC |
| Production reports | Silver Hill Energy Operating LLCthrough Apr 2026 |
| Latest permit | EOG Resources, Inc.Apr 14, 2010 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 11,800
- total depth, ft
- 1
- permits on file
- Apr 14, 2010
- last permit issued
- May 6, 2011
- completed
- 0
- cumulative oil, bbl
- 2.76M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Feb 2011 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- May 6, 2011
- 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 |
|---|---|---|---|---|---|---|
| Marshall Anderson G-6-261574 | Carthage (Haynesville Shale) | Silver Hill Energy Operating LLC | 1 | 0 | 2.76M | Feb 2011 – Jul 2026 |
Gas, mcf lease total
Last 12 months 27,751 · prior 12 35,520(-22%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1EOG Resources, Inc.Feb 2011 → Jan 2013
- 2Fortune Resources LLCFeb 2013 → May 2022
- 3Legacy Reserves Operating LPJun 2022 → Sep 2023
- 4Silver Hill Energy Operating LLCOct 2023 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 694334-99 | Drill | EOG Resources, Inc. | Apr 13, 2010 | Apr 14, 2010 | Sep 30, 2010 | 11,800 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-6-261574 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 268 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Austin Chalk | 2,913 | -2,645 |
| Duck Creek | 3,320 | -3,052 |
| Glen Rose | 3,893 | -3,625 |
| Base Mass. Anhy | 5,539 | -5,271 |
| James Lime | 6,091 | -5,823 |
| Travis Peak | 7,103 | -6,835 |
| CV "B" Lime | 9,690 | -9,422 |
| Haynesville | 10,318 | -10,050 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 11,738 | 11,938 | Perforated |
| 11,738 | 17,604 | Perforated |
| 12,046 | 12,236 | Perforated |
| 12,339 | 12,535 | Perforated |
| 12,635 | 12,828 | Perforated |
| 12,933 | 13,131 | Perforated |
| 13,231 | 13,429 | Perforated |
| 13,529 | 13,727 | Perforated |
| 13,871 | 14,025 | Perforated |
| 14,134 | 14,325 | Perforated |
| 14,431 | 14,622 | Perforated |
| 14,722 | 14,930 | Perforated |
| 15,020 | 15,221 | Perforated |
| 15,318 | 15,516 | Perforated |
| 15,616 | 15,814 | Perforated |
| 15,914 | 16,112 | Perforated |
| 16,212 | 16,411 | Perforated |
| 16,520 | 16,710 | Perforated |
| 16,809 | 17,007 | Perforated |
| 17,107 | 17,305 | Perforated |
| 17,364 | 17,604 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 1,226 | 13.5 | 880 S |
| 7.625 | 10,496 | 9.875 | 2,025 S |
| 5 | 17,681 | 6.75 | 760 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 | Jun 8, 2012 | Mar 22, 2012 | — |
| 00 | Dec 16, 2011 | Apr 6, 2011 | 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 42-419-31578 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-419-31578 → 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/41931578, documented in the API reference.