TEXAS · WELLS · ZAPATA COUNTY · TREVINO, J. B. LEASE · API 42-505-34005 · DISTRICT 04
Trevino J. B. #4
Zapata County · San Ygnacio (Wilcox) field · Producing · Vertical
Trevino J. B. #4 (API 42-505-34005) is a well in Zapata County operated by Merit Energy Company, completed October 15, 2000 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued September 16, 1999, permitted to 8,900 ft.
It was permitted by Samson Lone Star LP and has since transferred to Merit Energy Company on the wellbore schedule.
Completion filings report 4 formation tops, including Lobo Conformity, Lobo Unconformity, Lobo 3, Lobo 6.
Its lease has reported 15 barrels of oil and 1.05M mcf of gas since November 1999, last reporting volume in April 2026.
Operator of record
Permitted by Samson Lone Star LP; the EWA schedule now lists a different operator.
- Based in
- Dallas, TX
- P-5 status
- Active (A)
- P-5 last filed
- Nov 7, 2025
- Permits on file
- 1,049
- Phone
- (972) 701-8377
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Merit Energy Company |
| Production reports | Merit Energy Companythrough Apr 2026 |
| Latest permit | Samson Lone Star LPSep 16, 1999 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,900
- total depth, ft
- 2
- permits on file
- Sep 16, 1999
- last permit issued
- Oct 15, 2000
- completed
- 15
- cumulative oil, bbl
- 1.05M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Nov 1999 THROUGH Apr 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Oct 15, 2000
- 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 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, J. B. G-4-175539 | San Ygnacio (Wilcox) | Merit Energy Company | 1 | 15 | 1.05M | Nov 1999 – Apr 2026 |
Gas, mcf lease total
Last 12 months 6,713 · prior 12 4,398(+53%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Samson Lone Star LPNov 1999 → Jun 2007
- 2Samson Lone Star, LLCJul 2007 → Apr 2008
- 3Pogo Producing Company LLCMay 2008 → Aug 2011
- 4Plains Exploration & Prod. Co.Sep 2011 → Feb 2012
- 5OXY USA Inc.Mar 2012 → Apr 2017
- 6Merit Energy CompanyMay 2017 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 487638-98 | Drill | Samson Lone Star LP | Jan 13, 2000 | Sep 16, 1999 | Oct 6, 1999 | 8,900 |
| 487638-99 | Drill | Samson Lone Star LP | Sep 16, 1999 | Sep 16, 1999 | — | 9,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Oct 15, 2000 | Trevino J. B. G-4-175539 | San Ygnacio (Wilcox) | Merit Energy Company | Producing | 8,900 |
Formation tops
As filed on W-2/G-1. Subsea from 375 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Lobo Conformity | 6,720 | -6,345 |
| Lobo Unconformity | 6,720 | -6,345 |
| Lobo 3 | 8,194 | -7,819 |
| Lobo 6 | 8,421 | -8,046 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,202 | 8,207 | Perforated |
| 8,216 | 8,218 | Perforated |
| 8,426 | 8,434 | Perforated |
| 8,426 | 8,572 | Perforated |
| 8,501 | 8,506 | Perforated |
| 8,511 | 8,520 | Perforated |
| 8,562 | 8,572 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 898 | 12.25 | 320 S |
| 7 | 1,842 | 8.75 | 180 S |
| — | 5,895 | — | 225 S |
| 2.875 | 9,183 | 6 | 430 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 | Nov 30, 2000 | Oct 20, 2000 | — |
| 00 | Feb 24, 2000 | Dec 29, 1999 | Yes |
| 00 | Feb 3, 2000 | — | — |
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 42-505-34005 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-505-34005 → scanned completion filings
Log images filed since 2004 open from the RRC's log search for this well; none are loaded here 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/50534005, documented in the API reference.