TEXAS · WELLS · ZAPATA COUNTY · API 42-505-33813 · DISTRICT 04
Jennings Ranch C #4
Zapata County · Charco (9900) field · SWR-10-Well · Vertical
Jennings Ranch C #4 (API 42-505-33813) is a well in Zapata County operated by Hilcorp Energy Company, completed September 2, 2004 and listed as swr-10-well on the RRC schedule.
The RRC has issued 2 drilling permits between 1998 and 2004, permitted to 12,900 ft.
It was permitted by Conocophillips Company and has since transferred to Hilcorp Energy Company on the wellbore schedule.
Completion filings report 3 formation tops, including Perdido, Wilcox, Wills Point.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Conocophillips Company; 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
- 3,454
- 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 | Conocophillips CompanyApr 6, 2004 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 12,900
- total depth, ft
- 2
- permits on file
- Apr 6, 2004
- last permit issued
- Sep 2, 2004
- completed
- 0
- cumulative oil, bbl
- 1.54M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Aug 1998 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Sep 2, 2004
- 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 |
|---|---|---|---|---|---|---|
| Jennings Ranch C G-4-170761 | Jennings Ranch (Lobo Cons.) | Hilcorp Energy Company | 1 | 0 | 1.54M | Aug 1998 – Jul 2026 |
| Jennings Ranch C G-4-204519 | Charco (9900) | Hilcorp Energy Company | 1 | 0 | 0 | Sep 2004 – Jul 2026 |
Gas, mcf lease total
Last 12 months 9,802 · prior 12 3,805(+158%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Conoco Inc.Aug 1998 → Dec 2002
- 2Conocophillips CompanyJan 2003 → Dec 2015
- 3Hilcorp Energy CompanyJan 2016 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 544081-99 | Recompletion | Conocophillips Company | Apr 5, 2004 | Apr 6, 2004 | Jul 15, 2004 | 12,900 |
| 476853-99 | Drill | Conoco Inc. | Jun 4, 1998 | Jun 4, 1998 | Jul 4, 1998 | 13,600 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Sep 2, 2004 | Jennings Ranch C G-4-204519 | Charco (9900) | Hilcorp Energy Company | SWR-10-Well · shut in Sep 1, 2004 | 12,900 |
| Sep 2, 2004 | Jennings Ranch C G-4-170761 | Jennings Ranch (Lobo Cons.) | Hilcorp Energy Company | Producing | 12,900 |
Formation tops
As filed on W-2/G-1. Subsea from 406 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Perdido | 9,573 | -9,167 |
| WilcoxBASE LOWER WILCOX | 11,035 | -10,629 |
| WilcoxBASE OF LOWER WILCOX | 11,035 | -10,629 |
| Wills Point | 12,570 | -12,164 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,781 | 9,855 | Perforated |
| 11,216 | 11,223 | Perforated |
| 11,216 | 11,520 | Perforated |
| 11,250 | 11,256 | Perforated |
| 11,506 | 11,520 | Perforated |
| 11,944 | 11,948 | Perforated |
| 11,944 | 12,012 | Perforated |
| 11,962 | 11,970 | Perforated |
| 11,980 | 11,988 | Perforated |
| 11,994 | 12,012 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 820 | 14.75 | 454 S |
| 4.5 | 1,870 | 6.75 | 560 S |
| 7.625 | 8,703 | 9.875 | 366 S |
| 4.5 | 12,870 | 6.75 | 560 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 | Feb 16, 2005 | Oct 28, 2004 | — |
| 00 | Dec 9, 2004 | — | — |
| 00 | Dec 1, 1998 | Sep 25, 1998 | Yes |
| 00 | Nov 17, 1998 | — | — |
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 42-505-33813 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-505-33813 → 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/50533813, documented in the API reference.