TEXAS · WELLS · ZAPATA COUNTY · ALEXANDER "A" LEASE · API 42-505-35050 · DISTRICT 04
Alexander A #1
Zapata County · Exsun (Lobo Cons.) field · Temp Abandoned · Vertical
- Fields on the latest permit · any of 2
- Cisco-Benavides (Lobo Cons.) · Exsun (Lobo)
- Not one formation; the well must be completed in one of them, and no target formation is stated. The district's wildcat field is also on the permit.
Alexander A #1 (API 42-505-35050) is a well in Zapata County operated by Hilcorp Energy Company, completed September 23, 2004 and listed as temp abandoned on the RRC schedule, shut in March 1, 2012.
The RRC has issued one drilling permit, issued July 16, 2004, permitted to 11,516 ft.
It was permitted by Laredo Energy and has since transferred to Hilcorp Energy Company on the wellbore schedule.
Completion filings report 3 formation tops, including Wilcox, Lobo Unconformity, Wills Point.
Its lease has reported 340 barrels of oil and 76.7K mcf of gas since September 2004, with no volume in the three years through April 2026.
Operator of record
Permitted by Laredo Energy; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Mar 27, 2026
- Permits on file
- 3,458
- Phone
- (713) 209-2400
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Hilcorp Energy Company |
| Production reports | Hilcorp Energy Companythrough Feb 2012 |
| Latest permit | Laredo EnergyJul 16, 2004 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 11,516
- total depth, ft
- 1
- permits on file
- Jul 16, 2004
- last permit issued
- Sep 23, 2004
- completed
- 340
- cumulative oil, bbl
- 76.7K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · SEP 2004 THROUGH FEB 2012
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Sep 23, 2004
- Shut in
- Mar 1, 2012
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
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.
Wells nearby
Every well with a location on file around this well, in any state, nearest first.
Texas locations come from drilling permits, so most older Texas wells have none and are not listed.
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 |
|---|---|---|---|---|---|---|
| Alexander "A" G-4-205611 | Exsun (Lobo Cons.) | Hilcorp Energy Company | 1 | 340 | 76.7K | Sep 2004 – Feb 2012 |
No volumes reported on these leases in the last three years.
Wells named Alexander A
Hilcorp Energy Company's other wells filed under this lease name in Zapata County, newest permit first. The RRC gives a gas well its own lease number, so the name is what joins the wells of a unit.
Loading the lease's wellsChain of custody
Every operator that reported production on this well's lease, in order.
- 1Laredo EnergySep 2004 → Mar 2005
- 2Chesapeake Operating, Inc.Apr 2005 → Feb 2012
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 548335-99 | Drill | Laredo Energy | Jul 16, 2004 | Jul 16, 2004 | — | 13,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Sep 23, 2004 | Alexander A G-4-205611 | Exsun (Lobo Cons.) | Hilcorp Energy Company | Temp Abandoned · shut in Mar 1, 2012 | 11,516 |
Formation tops
As filed on W-2/G-1. Subsea from 479 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Wilcox | 4,900 | -4,421 |
| Lobo Unconformity | 9,700 | -9,221 |
| Wills Point | 11,400 | -10,921 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,048 | 10,061 | Perforated |
| 10,341 | 10,392 | Perforated |
| 10,777 | 10,788 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 750 | 12.25 | 300 S |
| 7 | 7,595 | 8.75 | 635 S |
| 4.5 | 11,517 | 6.125 | 365 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | May 6, 2005 | Nov 24, 2004 | Yes |
| 00 | Jan 26, 2005 | — | — |
Well logs
The RRC's map lists this well among those with logs online. Its monthly inventories loaded here, which start in July 2006, list none for it, so none are itemized.
Open the RRC's log search for this well ↗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 42-505-35050 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-505-35050 → scanned completion filings
The logs loaded for this well are under Well logs, with the RRC's log search for it.
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/50535050, documented in the API reference.