WELL · 42-215-33150 · DISTRICT 4
Zamora Estella #1
Hidalgo County · Kimber (17 000) field · Vertical
Zamora Estella #1 (API 42-215-33150) is a plugged well in Hidalgo County, plugged July 31, 2019, last operated by Grizzly OP Of Delaware LLC.
The RRC has issued one drilling permit (amended once), issued October 16, 2003, permitted to 23,500 ft.
It was permitted by El Paso Production Oil & Gas CO. and has since transferred to Grizzly OP Of Delaware LLC on the wellbore schedule.
Completion filings report 3 formation tops, including Frio, Vicksburg, Lwr Vicksburg.
Operator of record
Permitted by EL Paso Production Oil & Gas Co.; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed Jun 11, 2021 · (432) 248-8160
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Grizzly OP of Delaware LLC |
| Production reports | Vanguard Operating, LLCthrough Jun 2018 |
| Latest permit | EL Paso Production Oil & Gas Co.Aug 11, 2004 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 23,500
- total depth, ft
- 2
- permits on file
- Aug 11, 2004
- last permit issued
- Mar 5, 2005
- completed
- 0
- cumulative oil, bbl
- 661K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 2005 THROUGH Jul 2019
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Mar 5, 2005
- Shut in
- —
- Plugged
- Jul 31, 2019
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 |
|---|---|---|---|---|---|---|
| Zamora, Estella G-4-210342 | Kimber (17,000) | Vanguard Operating, LLC | 1 | 0 | 661K | Jan 2005 – Jul 2019 |
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.
- 1EL Paso Production Oil & Gas Co.Jan 2005 → Mar 2006
- 2Smith Production Inc.Apr 2006 → Aug 2009
- 3Sheridan Production Company, LLCSep 2009 → Aug 2010
- 4Lime Rock Resources a, L.P.Sep 2010 → Nov 2011
- 5Lre Operating, LLCDec 2011 → Sep 2015
- 6Vanguard Operating, LLCOct 2015 → Jun 2018
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 537546-98 | Drill | EL Paso Production Oil & Gas Co. | Aug 9, 2004 | Aug 11, 2004 | Aug 26, 2004 | 23,500 |
| 537546-99 | Drill | EL Paso Production Oil & Gas Co. | Oct 15, 2003 | Oct 16, 2003 | — | 23,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-210342 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 63 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 17,124 | 17,793 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 2,990 | 17.5 | 2,300 S |
| 9.875 | 13,042 | 12.25 | 745 S |
| 5 | 18,279 | 6.75 | 955 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 | Nov 2, 2005 | Jun 7, 2005 | Yes |
| 00 | Sep 1, 2005 | — | — |
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 42-215-33150 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-215-33150 → 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/21533150, documented in the API reference.