WELL · 42-479-36286 · DISTRICT 4
Zimmerman #1
Webb County · LA Perla (Lobo Cons.) field · Vertical
Zimmerman #1 (API 42-479-36286) is a plugged well in Webb County, plugged July 26, 2006, last operated by Samson Lone Star LP.
The RRC has issued one drilling permit, issued April 10, 1995, permitted to 10,350 ft.
It was permitted by Samson Hydrocarbons Company and has since transferred to Samson Lone Star LP on the wellbore schedule.
Completion filings report 5 formation tops, including La Mangana (Wilcox 7800), Laperla(Wilcos,Lwr), La Perla (Wilcox 6800), La Perla (Wilcox, Lower).
Operator of record
Permitted by Samson Hydrocarbons Company; the EWA schedule now lists a different operator.
Tulsa, OK · P-5 Y, filed Nov 5, 2010 · 1,644 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Samson Lone Star LP |
| Production reports | Samson Lone Star LPthrough Sep 2001 |
| Latest permit | Samson Hydrocarbons CompanyApr 10, 1995 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,350
- total depth, ft
- 1
- permits on file
- Apr 10, 1995
- last permit issued
- Jun 26, 1995
- completed
- 0
- cumulative oil, bbl
- 1.5M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jun 1995 THROUGH Jul 2006
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jun 26, 1995
- Shut in
- —
- Plugged
- Jul 26, 2006
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 |
|---|---|---|---|---|---|---|
| Zimmerman G-4-154722 | LA Perla (Wilcox, Lower) | Samson Lone Star LP | 1 | 0 | 1.5M | Jun 1995 – Jul 2006 |
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.
- 1Samson Hydrocarbons CompanyJun 1995 → Jul 1996
- 2Samson Lone Star LPAug 1996 → Sep 2001
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 434715-99 | Drill | Samson Hydrocarbons Company | Apr 10, 1995 | Apr 10, 1995 | May 1, 1900 | 10,350 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-154722 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 18 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| LA Mangana (Wilcox 7800) | 10,350 | -10,332 |
| Laperla(wilcos,lwr) | 10,350 | -10,332 |
| LA Perla (Wilcox 6800) | 10,350 | -10,332 |
| LA Perla (Wilcox, Lower) | 10,350 | -10,332 |
| Wildcat | 10,350 | -10,332 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,626 | 6,642 | Perforated |
| 8,843 | 8,862 | Perforated |
| 8,873 | 8,877 | Perforated |
| 8,883 | 8,885 | Perforated |
| 8,918 | 8,946 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 910 | 12.25 | 370 S |
| 7 | 7,148 | 8.5 | 350 S |
| 2.875 | 9,172 | 6 | 370 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 26, 2006 | Oct 14, 2005 | — |
| 00 | Mar 27, 1996 | Jan 31, 1996 | — |
| 00 | Nov 7, 1995 | Jul 19, 1995 | Yes |
| 00 | Jul 26, 1995 | — | — |
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 42-479-36286 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-479-36286 → 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/47936286, documented in the API reference.