WELL · 42-127-37120 · DISTRICT 1
Stumberg Ranch #52HR
Dimmit County · Briscoe Ranch (Eagleford) field · Horizontal
Stumberg Ranch #52HR (API 42-127-37120) is a horizontal well in Dimmit County operated by Anadarko E&P Onshore LLC, completed September 6, 2015.
The RRC has issued one drilling permit, issued June 3, 2015, permitted to 8,500 ft.
Completion filings report 10 formation tops, including Midway, Escondido, Olmos, San Miguel.
Its 2 leases have reported 2.77M barrels of oil and 10.2M mcf of gas since November 2010, last reporting in July 2026. The leases carry 23 wells, so these are lease totals, not this well alone.
Operator of record
Houston, TX · P-5 Y, filed Sep 4, 2025 · 4,574 permits on file · (713) 215-7000
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Anadarko E&P Onshore LLC |
| Production reports | Javelin Energy Partners Mgmt LLCthrough Apr 2026 |
| Latest permit | Anadarko E&P Onshore LLCJun 3, 2015 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,500
- total depth, ft
- 1
- permits on file
- Jun 3, 2015
- last permit issued
- Sep 6, 2015
- completed
- 2.77M
- cumulative oil, bbl
- 10.2M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Nov 2010 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Sep 6, 2015
- Shut in
- —
- Plugged
- —
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 2 leases this well is completed on; they carry 23 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Stumberg Ranch O-1-15309 | Briscoe Ranch (Eagleford) | Javelin Energy Partners Mgmt LLC | 22 | 2.77M | 10.2M | Nov 2010 – Jul 2026 |
| Stumberg Ranch G-1-278143 | Briscoe Ranch (Eagleford) | Anadarko E&P Onshore LLC | 1 | 0 | 0 | Sep 2015 – Mar 2016 |
Gas, mcf lease total
Last 12 months 349,235 · prior 12 384,631(-9%)
Oil, barrels lease total
Last 12 months 61,453 · prior 12 63,136(-3%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Anadarko E&P Company LPAug 2014 → Aug 2014
- 2Anadarko E&P Onshore LLCSep 2014 → Feb 2017
- 3SN EF Maverick, LLCMar 2017 → Aug 2023
- 4Javelin Energy Partners Mgmt LLCSep 2023 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 806990-99 | Drill | Anadarko E&P Onshore LLC | May 29, 2015 | Jun 3, 2015 | Sep 15, 2015 | 8,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-1-278143 | — | — | — | — |
| — | — O-1-15309 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 618 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Midway | 2,605 | -1,987 |
| EscondidoESCONDIDO - DISPOSAL | 3,032 | -2,414 |
| OlmosOLMOS - DISPOSAL | 4,323 | -3,705 |
| San MiguelSAN MIGUEL - H2S | 5,265 | -4,647 |
| Pecan Gap | 6,255 | -5,637 |
| Austin ChalkAUSTIN CHALK - H2S | 6,597 | -5,979 |
| Eagle FordEAGLE FORD - H2S | 7,065 | -6,447 |
| EdwardsEDWARDS - H2S | — | — |
| GeorgetownGEORGETOWN - H2S | — | — |
| Glen RoseGLEN ROSE - DISPOSAL | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,731 | 12,119 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,670 | 12.25 | 520 S |
| 5.5 | 12,251 | 8.5 | 2,050 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 | Feb 1, 2016 | Dec 16, 2015 | Yes |
| 00 | Oct 19, 2015 | Sep 10, 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 42-127-37120 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-127-37120 → 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/12737120, documented in the API reference.