WELL · 42-395-31272 · DISTRICT 3
Margarita #1
Robertson County · Mumford N. (CV Sands) field · Horizontal
Margarita #1 (API 42-395-31272) is a horizontal well in Robertson County operated by Williams Clayton Energy Inc., completed March 12, 2010.
The RRC has issued 3 drilling permits (amended once) between 2007 and 2013, permitted to 20,000 ft.
Completion filings report 5 formation tops, including Austin Chalk, Eagle Ford, Pettit, Knowles.
No lease production has been reported under this well’s leases.
Operator of record
- Based in
- Houston, TX
- P-5 status
- Delinquent (D)
- P-5 last filed
- Apr 11, 2017
- Permits on file
- 1,139
- Phone
- (281) 872-3100
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Williams Clayton Energy Inc. |
| Production reports | Williams, Clayton Energy, Inc.through Feb 2014 |
| Latest permit | Williams, Clayton Energy, Inc.Jul 26, 2013 |
- 20,000
- total depth, ft
- 4
- permits on file
- Jul 26, 2013
- last permit issued
- Mar 12, 2010
- completed
- 0
- cumulative oil, bbl
- 115K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 2008 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Mar 12, 2010
- 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 |
|---|---|---|---|---|---|---|
| Margarita E Unit G-3-277823 | Giddings (Eagleford) | Wildfire Energy Operating LLC | 1 | 0 | 0 | Sep 2013 – Jul 2026 |
| Margarita G-5-259357 | Mumford, N. (CV Sands) | Williams, Clayton Energy, Inc. | 1 | 0 | 4.47K | Mar 2010 – Aug 2014 |
| Margarita G-5-251408 | Mumford, N. (Cotton Valley Lime) | Williams, Clayton Energy, Inc. | 1 | 0 | 111K | Jan 2008 – Mar 2010 |
No volumes reported on these leases in the last three years.
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Williams, Clayton Energy, Inc.Oct 2008 → Feb 2014
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 766976-99 | Recompletion | Williams, Clayton Energy, Inc. | Jul 24, 2013 | Jul 26, 2013 | Aug 5, 2013 | 7,200 |
| 699778-99 | Recompletion | Williams, Clayton Energy, Inc. | Jul 28, 2010 | Aug 4, 2010 | Mar 2, 2010 | 18,280 |
| 636504-98 | Drill | Williams, Clayton Energy, Inc. | Nov 9, 2009 | Apr 12, 2007 | Apr 29, 2007 | 18,280 |
| 636504-99 | Drill | Williams, Clayton Energy, Inc. | Apr 4, 2007 | Apr 12, 2007 | Apr 29, 2007 | 20,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-5-251408 | — | — | — | — |
| — | — G-5-259357 | — | — | — | — |
| — | — G-3-277823 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 249 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Austin Chalk | 6,225 | -5,976 |
| Austin ChalkBASE AUSTIN CHALK | 6,408 | -6,159 |
| Eagle FordEAGLEFORD | 6,408 | -6,159 |
| Pettit | 9,760 | -9,511 |
| Knowles | 13,768 | -13,519 |
| Bossier | 14,300 | -14,051 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 13,810 | 13,830 | Perforated |
| 14,810 | 14,920 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 16 | 3,004 | 22 | 4,455 S |
| 7 | 6,378 | 8.5 | 119 S |
| 11.875 | 10,226 | 14.75 | 3,160 S |
| 9.625 | 13,877 | 10.625 | 845 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 | Sep 17, 2015 | Mar 19, 2015 | — |
| 00 | Mar 30, 2011 | Nov 23, 2010 | — |
| 00 | Jul 7, 2010 | Mar 11, 2008 | Yes |
| 00 | Oct 5, 2009 | — | — |
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 42-395-31272 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-395-31272 → 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/39531272, documented in the API reference.