TEXAS · WELLS · ZAPATA COUNTY · API 42-505-35333 · DISTRICT 04
Laureal O. M. Estate #7
Zapata County · Charco (9900) field · SWR-10-Well · Vertical
- Fields on the latest permit · any of 2
- Charco (9900) · Jennings Ranch (Lobo Cons.)
- 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.
Laureal O. M. Estate #7 (API 42-505-35333) is a well in Zapata County operated by Hilcorp Energy Company, completed September 15, 2005 and listed as swr-10-well on the RRC schedule.
The RRC has issued one drilling permit, issued July 29, 2005, permitted to 12,020 ft.
It was permitted by Chesapeake Operating, Inc. and has since transferred to Hilcorp Energy Company on the wellbore schedule.
Completion filings report 6 formation tops, including Queen City, Wilcox, Perdido, Lobo Unconformity.
Its 2 leases have reported 2.79K barrels of oil and 618K mcf of gas since September 2005, last reporting volume in April 2026. The leases carry 2 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Chesapeake Operating, Inc.; 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 Apr 2026 |
| Latest permit | Chesapeake Operating, Inc.Jul 29, 2005 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 12,020
- total depth, ft
- 1
- permits on file
- Jul 29, 2005
- last permit issued
- Sep 15, 2005
- completed
- 2.79K
- cumulative oil, bbl
- 618K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Sep 2005 THROUGH Apr 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Sep 15, 2005
- Shut in
- —
- 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.
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 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Laurel, O. M. Estate G-4-213486 | Jennings Ranch (Lobo Cons.) | Hilcorp Energy Company | 1 | 2.79K | 618K | Sep 2005 – Apr 2026 |
| Laureal, O. M. Estate G-4-214256 | Charco (9900) | Hilcorp Energy Company | 1 | 0 | 0 | Sep 2005 – — |
Gas, mcf lease total
Last 12 months 2,277 · prior 12 2,051(+11%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Chesapeake Operating, Inc.Sep 2005 → Aug 2012
- 2Hilcorp Energy CompanyOct 2014 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 604133-99 | Drill | Chesapeake Operating, Inc. | Jul 28, 2005 | Jul 29, 2005 | Aug 14, 2005 | 13,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Sep 15, 2005 | Laureal O. M. Estate G-4-214256 | Charco (9900) | Hilcorp Energy Company | SWR-10-Well · shut in Sep 1, 2005 | 12,020 |
| Sep 15, 2005 | Laurel O. M. Estate G-4-213486 | Jennings Ranch (Lobo Cons.) | Hilcorp Energy Company | Producing | 12,020 |
Formation tops
As filed on W-2/G-1. Subsea from 480 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Queen City | 3,320 | -2,840 |
| Wilcox | 8,200 | -7,720 |
| Perdido | 9,360 | -8,880 |
| Perdido | 9,400 | -8,920 |
| Lobo Unconformity | 10,950 | -10,470 |
| Lobo 1 | 11,000 | -10,520 |
| Lobo 1 | 11,220 | -10,740 |
| Lobo 6 | 11,520 | -11,040 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,440 | 11,611 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,035 | 12.25 | 345 S |
| 7 | 8,227 | 8.75 | 575 S |
| 4.5 | 12,002 | 6.25 | 390 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 | Jun 14, 2006 | Nov 28, 2005 | — |
| 00 | May 10, 2006 | Jan 26, 2006 | — |
| 00 | Apr 25, 2006 | Oct 6, 2005 | Yes |
| 00 | Mar 1, 2006 | — | — |
| 00 | Jan 30, 2006 | — | — |
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 42-505-35333 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-505-35333 → 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/50535333, documented in the API reference.