WELL · 42-127-38475 · DISTRICT 1
Ammann #5502H
Dimmit County · Hugh Fitzsimmons (San Miguel) field · Producing · Horizontal
Ammann #5502H (API 42-127-38475) is a horizontal well in Dimmit County operated by Endeavor Natural Gas LP, completed July 13, 2022 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued February 2, 2022, permitted to 4,000 ft.
Completion filings report 9 formation tops, including Escondido, Olmos, San Miguel, Austin Chalk.
Its lease has reported 547K barrels of oil and 1.23M mcf of gas since July 2022, last reporting in July 2026. The lease carries 7 wells, so these are lease totals, not this well alone.
Operator of record
Houston, TX · P-5 Y, filed Apr 4, 2026 · 203 permits on file · (830) 876-8874
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Endeavor Natural Gas LP |
| Production reports | Endeavor Natural Gas, LPthrough Apr 2026 |
| Latest permit | Endeavor Natural Gas, LPFeb 2, 2022 |
- 4,000
- total depth, ft
- 2
- permits on file
- Feb 2, 2022
- last permit issued
- Jul 13, 2022
- completed
- 547K
- cumulative oil, bbl
- 1.23M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jul 2022 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jul 13, 2022
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: X
Surface location
28.388998, -100.033586
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 7 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Ammann O-1-20667 | Hugh Fitzsimmons (San Miguel) | Endeavor Natural Gas, LP | 7 | 547K | 1.23M | Jul 2022 – Jul 2026 |
Oil, barrels lease total
Last 12 months 163,773 · prior 12 159,264(+3%)
Gas, mcf lease total
Last 12 months 359,022 · prior 12 431,303(-17%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Endeavor Natural Gas, LPJul 2022 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 876497-98 | Drill | Endeavor Natural Gas, LP | Feb 21, 2022 | Feb 2, 2022 | May 4, 2022 | 4,000 |
| 876497-99 | Drill | Endeavor Natural Gas, LP | Jan 26, 2022 | Feb 2, 2022 | May 4, 2022 | 4,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-20667 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 816 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| EscondidoESCONDIDO - DISPOSAL | 1,200 | -384 |
| OlmosOLMOS - DISPOSAL | 2,200 | -1,384 |
| San MiguelSAN MIGUEL - H2S | 3,100 | -2,284 |
| Austin ChalkAUSTIN CHALK - H2S | — | — |
| Eagle FordEAGLE FORD - H2S | — | — |
| EdwardsEDWARDS - H2S | — | — |
| GeorgetownGEORGETOWN - H2S | — | — |
| Glen RoseGLEN ROSE - DISPOSAL | — | — |
| Pearsall | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,532 | 9,091 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 436 | 11 | 210 S |
| 4.5 | 9,213 | 6.125 | 805 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 10, 2022 | Jul 15, 2022 | 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 42-127-38475 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-127-38475 → 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.
Ammann42-127-38899
0.0 KM · Endeavor Natural Gas, LP · Section with this well →
| Escondido | 1,200 | -385 |
| Olmos | 2,250 | -1,435 |
| San Miguel | 3,500 | -2,685 |
| Edwards | — | |
| Pearsall | — | |
| Glen Rose | — | |
| Georgetown | — | |
| Austin Chalk | — |
9 TOPS · FIRST 8
Ammann42-127-39009
0.7 KM · Endeavor Natural Gas, LP · Section with this well →
| Escondido | 1,600 | -764 |
| Olmos | 2,400 | -1,564 |
| San Miguel | 3,516 | -2,680 |
| Edwards | — | |
| Glen Rose | — | |
| Georgetown | — | |
| Pearsall | — | |
| Austin Chalk | — |
9 TOPS · FIRST 8
Ammann42-127-39010
0.7 KM · Endeavor Natural Gas, LP · Section with this well →
| Escondido | 1,600 | -764 |
| Olmos | 2,500 | -1,664 |
| San Miguel | 3,538 | -2,702 |
| Edwards | — | |
| Eagle Ford | — | |
| Georgetown | — | |
| Austin Chalk | — | |
| Pearsall | — |
9 TOPS · FIRST 8
Tocquigny Efs42-127-39067
1.5 KM · Atlas Operating LLC · Section with this well →
| Escondido | 1,468 | -601 |
| Olmos | 2,443 | -1,576 |
| San Miguel | 3,614 | -2,747 |
| Austin Chalk | 4,805 | -3,938 |
| Eagle Ford | 5,812 | -4,945 |
| Pearsall | — | |
| Glen Rose | — | |
| Georgetown | — |
9 TOPS · FIRST 8
Tocquigny Efs42-127-39065
1.5 KM · Atlas Operating LLC · Section with this well →
| Escondido | 1,469 | -602 |
| Olmos | 2,447 | -1,580 |
| San Miguel | 3,620 | -2,753 |
| Austin Chalk | 4,811 | -3,944 |
| Eagle Ford | 5,779 | -4,912 |
| Pearsall | — | |
| Glen Rose | — | |
| Georgetown | — |
9 TOPS · FIRST 8
LA Bandera Ranch Unit D42-127-38121
1.7 KM · SN EF Maverick, LLC · Section with this well →
| Escondido | 1,322 | -535 |
| Olmos | 2,521 | -1,734 |
| San Miguel | 3,723 | -2,936 |
| Austin Chalk | 4,697 | -3,910 |
| Eagle Ford | 5,574 | -4,787 |
| Glen Rose | — | |
| Pearsall | — | |
| Georgetown | — |
9 TOPS · FIRST 8
LA Bandera Ranch Unit D42-127-38122
1.7 KM · SN EF Maverick, LLC · Section with this well →
| Escondido | 1,322 | -534 |
| Olmos | 2,524 | -1,736 |
| San Miguel | 3,728 | -2,940 |
| Austin Chalk | 4,693 | -3,905 |
| Eagle Ford | 5,574 | -4,786 |
| Georgetown | — | |
| Glen Rose | — | |
| Edwards | — |
9 TOPS · FIRST 8
LA Bandera Ranch Unit D42-127-38123
1.7 KM · SN EF Maverick, LLC · Section with this well →
| Escondido | 1,338 | -550 |
| Olmos | 2,525 | -1,737 |
| San Miguel | 3,728 | -2,940 |
| Austin Chalk | 4,708 | -3,920 |
| Eagle Ford | 5,578 | -4,790 |
| Pearsall | — | |
| Edwards | — | |
| Georgetown | — |
9 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/12738475, documented in the API reference.