WELL · 42-163-32609 · DISTRICT 1
Gersdorff #1
Frio County · Pearsall (Austin Chalk) field · Horizontal · Sidetrack
Gersdorff #1 (API 42-163-32609) is a plugged horizontal well in Frio County, plugged July 26, 2011, last operated by Anadarko E&P Company LP.
The RRC has issued 2 drilling permits between 1990 and 1992, permitted to 9,800 ft.
It was permitted by Union Pacific Resources Company and has since transferred to Anadarko E&P Company LP on the wellbore schedule.
Completion filings report 2 formation tops, including Anacacho, Austin Chalk.
Its lease has reported 2.79K barrels of oil and 1.12K mcf of gas since January 1993, last reporting in November 2011.
Operator of record
Permitted by Union Pacific Resources Company; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Inactive (I)
- P-5 last filed
- Sep 27, 2012
- Permits on file
- 2,635
- Phone
- (832) 636-3130
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Anadarko E&P Company LP |
| Production reports | Union Pacific Resources Companythrough Aug 1993 |
| Latest permit | Union Pacific Resources CompanyDec 23, 1992 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,800
- total depth, ft
- 2
- permits on file
- Dec 23, 1992
- last permit issued
- Feb 20, 1993
- completed
- 2.79K
- cumulative oil, bbl
- 1.12K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Nov 2011
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Feb 20, 1993
- Shut in
- —
- Plugged
- Jul 26, 2011
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 |
|---|---|---|---|---|---|---|
| Gersdorff O-1-12443 | Pearsall (Austin Chalk) | Anadarko E&P Company LP | 1 | 2.79K | 1.12K | Jan 1993 – Nov 2011 |
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.
- 1Union Pacific Resources CompanyFeb 1993 → Aug 1993
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 407611-99 | Recompletion · sidetrack | Union Pacific Resources Company | Dec 23, 1992 | Dec 23, 1992 | Jan 14, 1993 | 9,800 |
| 367850-99 | Drill | GLG Energy, L.P. | Dec 20, 1989 | Jan 2, 1990 | Jan 21, 1990 | 9,100 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Feb 20, 1993 | Gersdorff O-1-12443 | Pearsall (Austin Chalk) | Anadarko E&P Company LP | Plugged | — |
| Feb 20, 1993 | Gersdorff O-1-12443 | Pearsall (Austin Chalk) | Anadarko E&P Company LP | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 511 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Anacacho | 5,095 | -4,584 |
| Austin Chalk | 5,326 | -4,815 |
| Austin Chalk | 5,863 | -5,352 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,583 | 8,770 | Perforated |
| 5,615 | 9,500 | Perforated |
| 5,863 | 5,975 | Perforated |
| 6,089 | 8,739 | Perforated |
| 6,181 | 9,398 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 663 | 12.25 | 237 S |
| 9.625 | 663 | 12.5 | 237 S |
| 7 | 5,540 | 8.5 | 531 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 | May 6, 1993 | Mar 17, 1993 | Yes |
| 00 | Apr 20, 1990 | Apr 10, 1990 | Yes |
| 00 | Apr 18, 1990 | — | — |
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 42-163-32609 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-163-32609 → 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/16332609, documented in the API reference.