WELL · 42-505-36147 · DISTRICT 4
Gutierrez Hector Mario #1
Zapata County · Exsun (Lobo Cons.) field · Producing · Vertical
Gutierrez Hector Mario #1 (API 42-505-36147) is a well in Zapata County operated by The Medusa Company, completed September 23, 2008 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued April 11, 2008, permitted to 14,000 ft.
It was permitted by Chesapeake Operating, Inc. and has since transferred to The Medusa Company on the wellbore schedule.
Completion filings report 3 formation tops, including Queen City, Big Blue, Lobo Unconformity.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Chesapeake Operating, Inc.; the EWA schedule now lists a different operator.
McAllen, TX · P-5 Y, filed Dec 4, 2025 · (956) 631-1166
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | The Medusa Company |
| Production reports | Safari Production Company, Inc.through Feb 2016 |
| Latest permit | Chesapeake Operating, Inc.Apr 11, 2008 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 14,000
- total depth, ft
- 1
- permits on file
- Apr 11, 2008
- last permit issued
- Sep 23, 2008
- completed
- 0
- cumulative oil, bbl
- 216K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · May 2008 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Sep 23, 2008
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Delinquent
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 |
|---|---|---|---|---|---|---|
| Gutierrez, Hector Mario G-4-239738 | Exsun (Lobo Cons.) | The Medusa Company | 1 | 0 | 216K | May 2008 – Jul 2026 |
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.
- 1Chesapeake Operating, Inc.May 2008 → Jun 2012
- 2Safari Production Company, Inc.Nov 2013 → Feb 2016
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 659148-99 | Drill | Chesapeake Operating, Inc. | Apr 8, 2008 | Apr 11, 2008 | Apr 17, 2008 | 14,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-239738 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 420 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Queen City | 2,083 | -1,663 |
| Big Blue | 6,162 | -5,742 |
| Lobo Unconformity | 8,574 | -8,154 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,776 | 8,790 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 775 | 12.25 | 262 S |
| 7 | 6,460 | 8.75 | 271 S |
| 4.5 | 10,480 | 6.25 | 500 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 | Dec 22, 2008 | Oct 16, 2008 | — |
| 00 | Oct 11, 2008 | Jun 18, 2008 | Yes |
| 00 | Oct 4, 2008 | — | — |
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 42-505-36147 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-505-36147 → 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/50536147, documented in the API reference.