WELL · 42-127-36066 · DISTRICT 1
Samkat Efs #4H
Dimmit County · Briscoe Ranch (Eagleford) field · Producing · Horizontal
Samkat Efs #4H (API 42-127-36066) is a horizontal well in Dimmit County operated by Caliente Oil LLC, completed June 7, 2014 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued February 12, 2014, permitted to 9,000 ft.
It was permitted by Ranger O & G Operating, LLC and has since transferred to Caliente Oil LLC on the wellbore schedule.
Completion filings report 9 formation tops, including Escondido, Olmos, San Miguel, Austin Chalk.
Its lease has reported 663K barrels of oil and 2M mcf of gas since June 2014, last reporting in July 2026. The lease carries 9 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Ranger O & G Operating, LLC; the EWA schedule now lists a different operator.
Cedar Park, TX · P-5 Y, filed Oct 4, 2025 · (512) 434-4744
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Caliente Oil LLC |
| Production reports | Caliente Oil LLCthrough Mar 2026 |
| Latest permit | Ranger O & G Operating, LLCFeb 12, 2014 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,000
- total depth, ft
- 1
- permits on file
- Feb 12, 2014
- last permit issued
- Jun 7, 2014
- completed
- 663K
- cumulative oil, bbl
- 2M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jun 2014 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jun 7, 2014
- 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; they carry 9 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Samkat Efs O-1-18326 | Briscoe Ranch (Eagleford) | Caliente Oil LLC | 9 | 663K | 2M | Jun 2014 – Jul 2026 |
Gas, mcf lease total
Last 12 months 118,707 · prior 12 100,472(+18%)
Oil, barrels lease total
Last 12 months 9,121 · prior 12 10,534(-13%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Ranger O & G Operating, LLCJun 2014 → Jan 2016
- 2Caliente Oil LLCFeb 2016 → Mar 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 779314-99 | Drill | Ranger O & G Operating, LLC | Feb 7, 2014 | Feb 12, 2014 | Feb 28, 2014 | 9,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-18326 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 531 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| EscondidoESCONDIDO - DISPOSAL | 3,600 | -3,069 |
| OlmosOLMOS - DISPOSAL | 4,800 | -4,269 |
| San MiguelSAN MIGUEL - H2S | 5,794 | -5,263 |
| Austin ChalkAUSTIN CHALK - H2S | 6,634 | -6,103 |
| Eagle FordEAGLE FORD - H2S | 7,020 | -6,489 |
| EdwardsEDWARDS - H2S | — | — |
| GeorgetownGEORGETOWN - H2S | — | — |
| Glen RoseGLEN ROSE - DISPOSAL | — | — |
| Pearsall | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,550 | 12,503 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 2,395 | 12.25 | 916 S |
| 5.5 | 12,565 | 7.875 | 1,158 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 | Aug 17, 2015 | Aug 5, 2015 | — |
| 00 | Jul 24, 2015 | Apr 1, 2015 | Yes |
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 42-127-36066 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-127-36066 → 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/12736066, documented in the API reference.