WELL · 42-127-38937 · DISTRICT 1
Tocquigny Efs #12H
Dimmit County · Briscoe Ranch (Eagleford) field · Producing · Horizontal
Tocquigny Efs #12H (API 42-127-38937) is a horizontal well in Dimmit County operated by Atlas Operating LLC, completed November 10, 2024 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued June 27, 2024, permitted to 6,400 ft.
It was permitted by Three C Exploration, LLC and has since transferred to Atlas Operating LLC on the wellbore schedule.
Completion filings report 9 formation tops, including Escondido, Olmos, San Miguel, Austin Chalk.
Its lease has reported 458K barrels of oil and 3.37M mcf of gas since July 2011, last reporting in July 2026. The lease carries 8 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Three C Exploration, LLC; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed Oct 4, 2025 · 78 permits on file · (281) 893-9400
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Atlas Operating LLC |
| Production reports | Atlas Operating LLCthrough Mar 2026 |
| Latest permit | Three C Exploration, LLCJun 27, 2024 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 6,400
- total depth, ft
- 1
- permits on file
- Jun 27, 2024
- last permit issued
- Nov 10, 2024
- completed
- 458K
- cumulative oil, bbl
- 3.37M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jul 2011 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Nov 10, 2024
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: H
Surface location
28.402694, -99.996120
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Dimmit County.
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 8 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Tocquigny Efs O-1-15862 | Briscoe Ranch (Eagleford) | Atlas Operating LLC | 8 | 458K | 3.37M | Jul 2011 – Jul 2026 |
Oil, barrels lease total
Last 12 months 65,940 · prior 12 16,252(+306%)
Gas, mcf lease total
Last 12 months 145,397 · prior 12 110,646(+31%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Redemption Oil & Gas, LLCAug 2011 → Jun 2014
- 2Sea Eagle Ford, LLCJul 2014 → Aug 2019
- 3Atlas Operating LLCSep 2019 → Mar 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 900877-99 | Drill | Three C Exploration, LLC | Jun 26, 2024 | Jun 27, 2024 | Jun 29, 2024 | 6,400 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-15862 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 25 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| EscondidoESCONDIDO - DISPOSAL | 1,470 | -1,445 |
| OlmosOLMOS - DISPOSAL | 2,449 | -2,424 |
| San MiguelSAN MIGUEL - H2S | 3,625 | -3,600 |
| Austin ChalkAUSTIN CHALK - H2S | 4,817 | -4,792 |
| Eagle FordEAGLE FORD - H2S | 5,812 | -5,787 |
| EdwardsEDWARDS - H2S | — | — |
| GeorgetownGEORGETOWN - H2S | — | — |
| Glen RoseGLEN ROSE - DISPOSAL | — | — |
| Pearsall | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,447 | 16,923 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,245 | 12.25 | 325 S |
| 5.5 | 17,102 | 8.5 | 3,570 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 | May 6, 2025 | Jan 9, 2025 | 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 42-127-38937 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-127-38937 → 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.
Nearby wells and their tops
NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM
Draw a cross-section
This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.
Shook Efs42-127-39062
0.3 KM · Atlas Operating LLC · Section with this well →
| Escondido | 1,465 | -624 |
| Olmos | 2,413 | -1,572 |
| San Miguel | 3,548 | -2,707 |
| Austin Chalk | 4,795 | -3,954 |
| Eagle Ford | 5,689 | -4,848 |
| Georgetown | — | |
| Pearsall | — | |
| Glen Rose | — |
9 TOPS · FIRST 8
Tocquigny42-127-38942
1.0 KM · Atlas Operating LLC · Section with this well →
| Escondido | 1,570 | -1,545 |
| Olmos | 2,482 | -2,457 |
| San Miguel | 3,559 | -3,534 |
| Eagle Ford | 3,581 | -3,556 |
| Austin Chalk | 3,631 | -3,606 |
| Pearsall | — | |
| Edwards | — | |
| Glen Rose | — |
9 TOPS · FIRST 8
Tocquigny42-127-38943
1.0 KM · Atlas Operating LLC · Section with this well →
| Escondido | 1,570 | -1,545 |
| Olmos | 2,482 | -2,457 |
| San Miguel | 3,559 | -3,534 |
| Eagle Ford | 3,581 | -3,556 |
| Austin Chalk | 3,631 | -3,606 |
| Pearsall | — | |
| Glen Rose | — | |
| Georgetown | — |
9 TOPS · FIRST 8
LA Bandera Ranch Unit C42-127-37653
2.2 KM · SN EF Maverick, LLC · Section with this well →
| Escondido | 1,559 | -729 |
| Olmos | 2,814 | -1,984 |
| San Miguel | 4,061 | -3,231 |
| Anacacho | 4,617 | -3,787 |
| Austin Chalk | 4,915 | -4,085 |
| Eagle Ford | 5,770 | -4,940 |
| Eagle Ford | 5,963 | -5,133 |
| Edwards | — |
10 TOPS · FIRST 8
LA Bandera Ranch Unit C42-127-37654
2.2 KM · SN EF Maverick, LLC · Section with this well →
| Escondido | 1,566 | -737 |
| Olmos | 2,810 | -1,981 |
| San Miguel | 4,071 | -3,242 |
| Anacacho | 4,638 | -3,809 |
| Austin Chalk | 4,936 | -4,107 |
| Eagle Ford | 5,781 | -4,952 |
| Eagle Ford | 5,985 | -5,156 |
| Georgetown | — |
10 TOPS · FIRST 8
LA Bandera Ranch Unit C42-127-37655
2.2 KM · SN EF Maverick, LLC · Section with this well →
| Escondido | 1,567 | -738 |
| Olmos | 2,802 | -1,973 |
| San Miguel | 4,081 | -3,252 |
| Anacacho | 4,651 | -3,822 |
| Austin Chalk | 4,957 | -4,128 |
| Eagle Ford | 5,792 | -4,963 |
| Eagle Ford | 5,990 | -5,161 |
| Glen Rose | — |
10 TOPS · FIRST 8
LA Bandera Ranch Unit C42-127-37656
2.2 KM · SN EF Maverick, LLC · Section with this well →
| Escondido | 1,573 | -745 |
| Olmos | 2,822 | -1,994 |
| San Miguel | 4,126 | -3,298 |
| Anacacho | 4,664 | -3,836 |
| Austin Chalk | 4,972 | -4,144 |
| Eagle Ford | 5,812 | -4,984 |
| Eagle Ford | 6,004 | -5,176 |
| Georgetown | — |
10 TOPS · FIRST 8
LA Bandera Ranch Unit C42-127-37657
2.2 KM · SN EF Maverick, LLC · Section with this well →
| Escondido | 1,578 | -750 |
| Olmos | 2,834 | -2,006 |
| San Miguel | 4,177 | -3,349 |
| Anacacho | 4,683 | -3,855 |
| Austin Chalk | 4,980 | -4,152 |
| Eagle Ford | 5,816 | -4,988 |
| Eagle Ford | 6,015 | -5,187 |
| Georgetown | — |
10 TOPS · FIRST 8
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/12738937, documented in the API reference.