WELL · 42-127-38986 · DISTRICT 1
Stumberg Ranch Unit E #101HC
Dimmit County · Briscoe Ranch (Eagleford) field · Producing · Horizontal
Stumberg Ranch Unit E #101HC (API 42-127-38986) is a horizontal well in Dimmit County operated by Javelin Energy Partners Mgmt LLC, completed December 14, 2025 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued November 21, 2024, permitted to 9,000 ft.
Completion filings report 9 formation tops, including Escondido, Olmos, Austin Chalk, Eagle Ford.
Its lease has reported 719K barrels of oil and 2.39M mcf of gas since April 2025, last reporting in July 2026. The lease carries 3 wells, so these are lease totals, not this well alone.
Operator of record
Javelin Energy Partners Mgmt LLC
Houston, TX · P-5 Y, filed Jan 4, 2026 · 233 permits on file · (888) 973-7780
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Javelin Energy Partners Mgmt LLC |
| Production reports | Javelin Energy Partners Mgmt LLCthrough Apr 2026 |
| Latest permit | Javelin Energy Partners Mgmt LLCNov 21, 2024 |
- 9,000
- total depth, ft
- 1
- permits on file
- Nov 21, 2024
- last permit issued
- Dec 14, 2025
- completed
- 719K
- cumulative oil, bbl
- 2.39M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Apr 2025 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Dec 14, 2025
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: X
Surface location
28.360920, -99.706319
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 3 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Stumberg Ranch Unit E O-1-21725 | Briscoe Ranch (Eagleford) | Javelin Energy Partners Mgmt LLC | 3 | 719K | 2.39M | Apr 2025 – Jul 2026 |
Oil, barrels lease total
Last 12 months 682,156 · prior 12 36,741(+1757%)
Gas, mcf lease total
Last 12 months 2,328,260 · prior 12 59,510(+3812%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Javelin Energy Partners Mgmt LLCApr 2025 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 904110-99 | Drill | Javelin Energy Partners Mgmt LLC | Nov 15, 2024 | Nov 21, 2024 | Dec 10, 2024 | 9,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-21725 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 587 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| EscondidoESCONDIDO - DISPOSAL | 3,110 | -2,523 |
| OlmosOLMOS - DISPOSAL | 4,592 | -4,005 |
| Austin ChalkAUSTIN CHALK - H2S | 6,698 | -6,111 |
| Eagle FordEAGLE FORD - H2S | 7,213 | -6,626 |
| EdwardsEDWARDS - H2S | — | — |
| GeorgetownGEORGETOWN - H2S | — | — |
| Glen RoseGLEN ROSE - DISPOSAL | — | — |
| Pearsall | — | — |
| San MiguelSAN MIGUEL - H2S | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,731 | 20,734 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 2,713 | 12.25 | 974 S |
| 5.5 | 20,755 | 8.75 | 4,020 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 30, 2025 | Dec 18, 2025 | — |
| 00 | May 30, 2025 | May 27, 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 42-127-38986 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-127-38986 → 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.
Stumberg Ranch Unit E42-127-38985
0.0 KM · Javelin Energy Partners Mgmt LLC · Section with this well →
| Escondido | 3,121 | -2,533 |
| Olmos | 4,612 | -4,024 |
| Austin Chalk | 6,736 | -6,148 |
| Eagle Ford | 7,254 | -6,666 |
| San Miguel | — | |
| Glen Rose | — | |
| Georgetown | — | |
| Pearsall | — |
9 TOPS · FIRST 8
Stumberg Ranch Unit E42-127-38984
0.0 KM · Javelin Energy Partners Mgmt LLC · Section with this well →
| Escondido | 3,121 | -2,533 |
| Olmos | 4,600 | -4,012 |
| Austin Chalk | 6,738 | -6,150 |
| Eagle Ford | 7,259 | -6,671 |
| San Miguel | — | |
| Glen Rose | — | |
| Georgetown | — | |
| Edwards | — |
9 TOPS · FIRST 8
Stumberg Ranch Unit E42-127-37639
0.6 KM · SN EF Maverick, LLC · Section with this well →
| Escondido | 3,154 | -2,563 |
| Olmos | 4,558 | -3,967 |
| San Miguel | 5,740 | -5,149 |
| Anacacho | 6,427 | -5,836 |
| Austin Chalk | 6,817 | -6,226 |
| Eagle Ford | 7,379 | -6,788 |
| Edwards | — | |
| Georgetown | — |
10 TOPS · FIRST 8
Stumberg Ranch Unit E42-127-37638
0.6 KM · SN EF Maverick, LLC · Section with this well →
| Escondido | 3,159 | -2,568 |
| Olmos | 4,560 | -3,969 |
| San Miguel | 5,740 | -5,149 |
| Anacacho | 6,426 | -5,835 |
| Austin Chalk | 6,823 | -6,232 |
| Eagle Ford | 7,380 | -6,789 |
| Edwards | — | |
| Georgetown | — |
10 TOPS · FIRST 8
Stumberg Ranch Unit E42-127-37649
0.7 KM · SN EF Maverick, LLC · Section with this well →
| Escondido | 3,139 | -2,549 |
| Olmos | 4,549 | -3,959 |
| San Miguel | 5,710 | -5,120 |
| Anacacho | 6,385 | -5,795 |
| Austin Chalk | 6,776 | -6,186 |
| Eagle Ford | 7,338 | -6,748 |
| Edwards | — | |
| Pearsall | — |
10 TOPS · FIRST 8
Stumberg Ranch Unit E42-127-37645
0.7 KM · SN EF Maverick, LLC · Section with this well →
| Escondido | 3,146 | -2,556 |
| Olmos | 4,546 | -3,956 |
| San Miguel | 5,713 | -5,123 |
| Anacacho | 6,391 | -5,801 |
| Austin Chalk | 6,783 | -6,193 |
| Eagle Ford | 7,331 | -6,741 |
| Glen Rose | — | |
| Georgetown | — |
10 TOPS · FIRST 8
Stumberg Ranch Unit E42-127-37644
0.7 KM · SN EF Maverick, LLC · Section with this well →
| Escondido | 3,141 | -2,551 |
| Olmos | 4,547 | -3,957 |
| San Miguel | 5,725 | -5,135 |
| Anacacho | 6,400 | -5,810 |
| Austin Chalk | 6,791 | -6,201 |
| Eagle Ford | 7,349 | -6,759 |
| Pearsall | — | |
| Edwards | — |
10 TOPS · FIRST 8
Stumberg Ranch Unit E42-127-37643
0.7 KM · SN EF Maverick, LLC · Section with this well →
| Escondido | 3,150 | -2,560 |
| Olmos | 4,546 | -3,956 |
| San Miguel | 5,718 | -5,128 |
| Anacacho | 6,398 | -5,808 |
| Austin Chalk | 6,794 | -6,204 |
| Eagle Ford | 7,354 | -6,764 |
| Glen Rose | — | |
| Pearsall | — |
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/12738986, documented in the API reference.