TEXAS · WELLS · MCMULLEN COUNTY · SHANNON EFS LEASE · API 42-311-35690 · DISTRICT 01
Shannon Efs #2H
McMullen County · Eagleville (Eagle Ford-1) field · Producing · Horizontal
Shannon Efs #2H (API 42-311-35690) is a horizontal well in Mcmullen County operated by Crescent Energy Operating LLC, completed March 13, 2014 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued October 18, 2013, permitted to 10,797 ft.
It was permitted by Sea Eagle Ford, LLC and has since transferred to Crescent Energy Operating LLC on the wellbore schedule.
Completion filings report 4 formation tops, including Olmos, Anacacho, Austin Chalk, Eagle Ford.
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
- Aug 28, 2025
- Permits on file
- 54
- 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, LLCOct 18, 2013 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,797
- total depth, ft
- 2
- permits on file
- Oct 18, 2013
- last permit issued
- Mar 13, 2014
- 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
- Mar 13, 2014
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active – Extension (X)
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; 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 |
|---|---|---|---|---|---|---|
| 771478-98 | Drill | Sea Eagle Ford, LLC | Nov 1, 2013 | Oct 18, 2013 | Feb 4, 2014 | 12,600 |
| 771478-99 | Drill | Sea Eagle Ford, LLC | Oct 9, 2013 | Oct 18, 2013 | — | 12,600 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Mar 13, 2014 | Shannon Efs O-1-16859 | Eagleville (Eagle Ford-1) | Crescent Energy Operating LLC | Producing | 10,797 |
Formation tops
As filed on W-2/G-1. Subsea from 298 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Olmos | 8,609 | -8,311 |
| Anacacho | 10,077 | -9,779 |
| Austin Chalk | 10,428 | -10,130 |
| Eagle Ford | 10,497 | -10,199 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 11,066 | 17,904 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 4,950 | 12.25 | 1,655 S |
| 5.5 | 17,990 | 8.75 | 2,690 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 | Jul 1, 2014 | May 12, 2014 | Yes |
| 00 | Jan 17, 2014 | Dec 13, 2013 | 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 42-311-35690 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-311-35690 → 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/31135690, documented in the API reference.