WELL · 42-505-36444 · DISTRICT 4
Trevino B #9
Zapata County · Roleta (Wilcox Consolidated) field · Producing · Vertical
Trevino B #9 (API 42-505-36444) is a well in Zapata County operated by Merit Energy Company, completed November 28, 2009 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued June 18, 2009, permitted to 11,000 ft.
It was permitted by Coronado Energy E&P Company, LLC and has since transferred to Merit Energy Company on the wellbore schedule.
Completion filings report 5 formation tops, including Big Blue, Asche Sand, Roleta A, Roleta B.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Coronado Energy E&P Company, LLC; the EWA schedule now lists a different operator.
Dallas, TX · P-5 Y, filed Sep 4, 2025 · 1,049 permits on file · (972) 628-1559
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Merit Energy Company |
| Production reports | Cantera Operating, LLCthrough Jul 2015 |
| Latest permit | Coronado Energy E&P Company, LLCJun 18, 2009 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 11,000
- total depth, ft
- 1
- permits on file
- Jun 18, 2009
- last permit issued
- Nov 28, 2009
- completed
- 0
- cumulative oil, bbl
- 4.88K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Nov 2009 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Nov 28, 2009
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
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 |
|---|---|---|---|---|---|---|
| Trevino "B" G-4-256350 | Roleta (Wilcox Consolidated) | Merit Energy Company | 1 | 0 | 4.88K | Nov 2009 – 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.
- 1Coronado Energy E&P Company, LLCNov 2009 → Aug 2010
- 2Cantera Operating, LLCJun 2015 → Jul 2015
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 681932-99 | Drill | Coronado Energy E&P Company, LLC | Jun 8, 2009 | Jun 18, 2009 | Sep 5, 2009 | 11,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-256350 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 344 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Big Blue | 7,275 | -6,931 |
| Asche Sand | 7,680 | -7,336 |
| Roleta A | 8,150 | -7,806 |
| Roleta B | 8,480 | -8,136 |
| Roleta C | 8,850 | -8,506 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,318 | 8,326 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 765 | 12.25 | 340 S |
| 7 | 7,395 | 8.75 | 200 S |
| 4.5 | 9,304 | 6.25 | 175 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 | Jul 28, 2010 | Jun 11, 2010 | Yes |
| 00 | Jun 30, 2010 | — | — |
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 42-505-36444 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-505-36444 → 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/50536444, documented in the API reference.