WELL · 42-479-41216 · DISTRICT 1
Piloncillo #D 4H
Webb County · Briscoe Ranch (Eagleford) field · Horizontal
Piloncillo #D 4H (API 42-479-41216) is a horizontal well in Webb County operated by Shell Western E&P, completed May 22, 2011.
The RRC has issued one drilling permit (amended twice), issued March 8, 2011, permitted to 15,000 ft.
Completion filings report 3 formation tops, including Austin Chalk, Eagle Ford, Buda.
Its 2 leases have reported 28K barrels of oil and 500K mcf of gas since December 2010, last reporting in July 2026. The leases carry 3 wells, so these are lease totals, not this well alone.
Operator of record
- Based in
- Houston, TX
- P-5 status
- Delinquent (D)
- P-5 last filed
- Jan 4, 2021
- Permits on file
- 1,756
- Phone
- (832) 337-0694
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Shell Western E&P |
| Production reports | SN Operating, LLCthrough Jul 2015 |
| Latest permit | Shell Western E&PMar 8, 2011 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 15,000
- total depth, ft
- 3
- permits on file
- Mar 8, 2011
- last permit issued
- May 22, 2011
- completed
- 28K
- cumulative oil, bbl
- 500K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Dec 2010 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- May 22, 2011
- 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 2 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 |
|---|---|---|---|---|---|---|
| Piloncillo G-1-270572 | Briscoe Ranch (Eagleford) | TBM Catarina, LLC | 1 | 0 | 226K | May 2011 – Jul 2026 |
| Piloncillo O-1-15331 | Briscoe Ranch (Eagleford) | Shell Western E&P | 2 | 28K | 274K | Dec 2010 – Dec 2013 |
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.
- 1Shell Western E&PDec 2010 → Aug 2012
- 2SN Operating, LLCDec 2014 → Jul 2015
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 711471-97 | Drill | Shell Western E&P | Sep 26, 2011 | Mar 8, 2011 | Mar 26, 2011 | 15,000 |
| 711471-98 | Drill | Shell Western E&P | Jun 22, 2011 | Mar 8, 2011 | — | 15,000 |
| 711471-99 | Drill | Shell Western E&P | Mar 3, 2011 | Mar 8, 2011 | — | 10,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-1-270572 | — | — | — | — |
| — | — O-1-15331 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 647 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Austin Chalk | 7,735 | -7,088 |
| Eagle Ford | 8,493 | -7,846 |
| Eagle Ford | 8,495 | -7,848 |
| Buda | 8,748 | -8,101 |
| Buda | 8,750 | -8,103 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,474 | 13,846 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 3,453 | 12.25 | 1,172 S |
| 5.5 | 14,063 | 8.75 | 2,402 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 | Dec 10, 2013 | Sep 16, 2013 | Yes |
| 00 | Dec 14, 2011 | Jun 10, 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 42-479-41216 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-479-41216 → 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/47941216, documented in the API reference.