WELL · 42-311-36683 · DISTRICT 1
Shannon Efs #6UH
McMullen County · Eagleville (Eagle Ford-1) field · Producing · Horizontal
Shannon Efs #6UH (API 42-311-36683) is a horizontal well in Mcmullen County operated by Silverbow Resources Oper LLC, completed November 13, 2017 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued February 8, 2017, permitted to 11,000 ft.
It was permitted by Sea Eagle Ford, LLC and has since transferred to Silverbow Resources Oper LLC on the wellbore schedule.
Completion filings report 10 formation tops, including Wilcox, Navarro, Escondido, Olmos.
Its lease has reported 2.46M barrels of oil and 3.94M mcf of gas since June 2013, last reporting in July 2026. The lease carries 7 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Sea Eagle Ford, LLC; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active (A)
- P-5 last filed
- May 22, 2026
- Permits on file
- 460
- Phone
- (713) 337-4600
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Silverbow Resources Oper LLC |
| Production reports | Silverbow Resources Oper, LLCthrough Apr 2026 |
| Latest permit | Sea Eagle Ford, LLCFeb 8, 2017 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 11,000
- total depth, ft
- 2
- permits on file
- Feb 8, 2017
- last permit issued
- Nov 13, 2017
- completed
- 2.46M
- cumulative oil, bbl
- 3.94M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jun 2013 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Nov 13, 2017
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
Surface location
28.590419, -98.436244
Permit surface location from the RRC GIS record, in McMullen County.
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; they carry 7 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Shannon Efs O-1-16859 | Eagleville (Eagle Ford-1) | Silverbow Resources Oper, LLC | 7 | 2.46M | 3.94M | Jun 2013 – Jul 2026 |
Oil, barrels lease total
Last 12 months 51,884 · prior 12 82,385(-37%)
Gas, mcf lease total
Last 12 months 44,998 · prior 12 105,348(-57%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Sea Eagle Ford, LLCJul 2013 → Jun 2022
- 2Silverbow Resources Oper, LLCJul 2022 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 822742-98 | Drill | Sea Eagle Ford, LLC | Dec 5, 2017 | Feb 8, 2017 | May 21, 2017 | 11,000 |
| 822742-99 | Drill | Sea Eagle Ford, LLC | Feb 1, 2017 | Feb 8, 2017 | May 1, 2017 | 11,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-16859 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 311 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,901 | 17,659 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 4,870 | 12.25 | 1,530 S |
| 5.5 | 17,721 | 8.75 | 3,060 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 | Apr 24, 2018 | Nov 28, 2017 | Yes |
| 00 | Jan 22, 2018 | Aug 28, 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 42-311-36683 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-311-36683 → 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.
Nearby wells and their tops
NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM
Draw a cross-section
This well's tops beside its 5 nearest neighbors, subsea-aligned so they line up regardless of surface terrain.
Tyler Ranch Efs A42-311-37458
1.0 KM · Silverbow Resources Oper, LLC · Section with this well →
| Wilcox | 4,860 | -4,518 |
| Navarro | 7,724 | -7,382 |
| Olmos | 8,689 | -8,347 |
| Anacacho | 9,837 | -9,495 |
| Austin Chalk | 10,375 | -10,033 |
| Upper EF | 10,460 | -10,118 |
| Yegua | — | |
| Frio | — |
10 TOPS · FIRST 8
Tyler Ranch Efs B42-311-37459
1.0 KM · Silverbow Resources Oper, LLC · Section with this well →
| Navarro | 7,757 | -7,415 |
| Olmos | 8,702 | -8,360 |
| Anacacho | 9,872 | -9,530 |
| Austin Chalk | 10,401 | -10,059 |
| Catahoula | — | |
| Yegua | — | |
| Wilcox | — | |
| Frio | — |
10 TOPS · FIRST 8
Tyler Ranch Efs C42-311-37460
1.0 KM · Silverbow Resources Oper, LLC · Section with this well →
| Navarro | 6,290 | -5,948 |
| Olmos | 8,702 | -8,360 |
| Anacacho | 9,877 | -9,535 |
| Austin Chalk | 10,404 | -10,062 |
| Yegua | — | |
| Catahoula | — | |
| Eagle Ford | — | |
| Escondido | — |
10 TOPS · FIRST 8
Shannon-Tyler Ranch Efs42-311-37457
1.0 KM · Silverbow Resources Oper, LLC · Section with this well →
| Navarro | 7,766 | -7,424 |
| Olmos | 8,695 | -8,353 |
| Anacacho | 9,894 | -9,552 |
| Austin Chalk | 10,427 | -10,085 |
| Upper EF | 10,502 | -10,160 |
| Yegua | — | |
| Catahoula | — | |
| Escondido | — |
10 TOPS · FIRST 8
Peeler Efs42-311-34900
2.5 KM · Texegy Operating Company LLC · Section with this well →
| Carrizo | 3,800 | -3,517 |
| Wilcox | 6,400 | -6,117 |
| Olmos | 8,850 | -8,567 |
| Eagle Ford | 10,800 | -10,517 |
Jambers42-311-36877
2.6 KM · Murphy Expl. & Prod. Co. - USA · Section with this well →
| Frio | 1,460 | -1,174 |
| Catahoula | 1,590 | -1,304 |
| Yegua | 2,890 | -2,604 |
| Wilcox | 4,957 | -4,671 |
| Navarro | 7,883 | -7,597 |
| Escondido | 8,340 | -8,054 |
| Olmos | 8,606 | -8,320 |
| Anacacho | 10,206 | -9,920 |
10 TOPS · FIRST 8
Jambers42-311-36878
2.6 KM · Murphy Expl. & Prod. Co. - USA · Section with this well →
| Frio | 1,460 | -1,174 |
| Catahoula | 1,590 | -1,304 |
| Yegua | 2,890 | -2,604 |
| Wilcox | 4,945 | -4,659 |
| Midway | 6,973 | -6,687 |
| Navarro | 7,917 | -7,631 |
| Escondido | 8,340 | -8,054 |
| Olmos | 8,654 | -8,368 |
10 TOPS · FIRST 8
Morrill Ranch42-311-37620
2.8 KM · Burlington Resources O & G Co LP · Section with this well →
| Yegua | 359 | -35 |
| Wilcox | 4,025 | -3,701 |
| Olmos | 8,696 | -8,372 |
| Austin Chalk | 10,520 | -10,196 |
| Eagle Ford | 10,584 | -10,260 |
| Navarro | — | |
| Anacacho | — | |
| Catahoula | — |
10 TOPS · FIRST 8
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/31136683, documented in the API reference.