TEXAS · WELLS · MIDLAND COUNTY · API 42-329-42229 · DISTRICT 7B
Spanish Trail HZ Unit #3832H
Midland County · Spraberry (Trend Area) field · Producing · Horizontal
Spanish Trail HZ Unit #3832H (API 42-329-42229) is a horizontal well in Midland County operated by Cog Operating LLC, completed September 2, 2018 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued January 29, 2018, permitted to 9,108 ft.
Completion filings report 9 formation tops, including Santa Rosa, Yates, Seven Rivers, Queen.
Its 2 leases have reported 10.4M barrels of oil and 18.1M mcf of gas since June 2008, last reporting in July 2026. The leases carry 109 wells, so these are lease totals, not this well alone.
Operator of record
- Based in
- Midland, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Jun 2, 2026
- Permits on file
- 4,568
- Phone
- (432) 683-7443
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | COG Operating LLC |
| Production reports | COG Operating LLCthrough Apr 2026 |
| Latest permit | COG Operating LLCJan 29, 2018 |
- 9,108
- total depth, ft
- 2
- permits on file
- Jan 29, 2018
- last permit issued
- Sep 2, 2018
- completed
- 10.4M
- cumulative oil, bbl
- 18.1M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jun 2008 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Sep 2, 2018
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
Surface location
31.984705, -102.180699
Permit surface location from the RRC GIS record, in Midland County.
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 109 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Spanish Trail O-10-38844 | Spraberry (Trend Area) | COG Operating LLC | 89 | 8.27M | 12.6M | Jun 2008 – Jul 2026 |
| Spanish Trail HZ Unit O-10-51948 | Spraberry (Trend Area) | COG Operating LLC | 20 | 2.16M | 5.48M | Sep 2018 – Jul 2026 |
Oil, barrels lease total
Last 12 months 249,964 · prior 12 286,532(-13%)
Gas, mcf lease total
Last 12 months 942,784 · prior 12 1,254,395(-25%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1E.G.L. Resources, Inc.Jun 2008 → Aug 2013
- 2RSP Permian, LLCSep 2013 → Jul 2018
- 3COG Operating LLCAug 2018 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 835107-98 | Drill | COG Operating LLC | Aug 8, 2018 | Jan 29, 2018 | Mar 24, 2018 | 12,000 |
| 835107-99 | Drill | RSP Permian, LLC | Jan 11, 2018 | Jan 29, 2018 | — | 12,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Sep 2, 2018 | Spanish Trail HZ Unit O-10-51948 | Spraberry (Trend Area) | COG Operating LLC | Producing | 9,108 |
| Sep 2, 2018 | Spanish Trail O-10-38844 | Spraberry (Trend Area) | COG Operating LLC | Not on Schedule | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,886 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Santa Rosa | 1,120 | 1,766 |
| Yates | 2,970 | -84 |
| Seven Rivers | 3,200 | -314 |
| Queen | 3,835 | -949 |
| Grayburg | 4,250 | -1,364 |
| San AndresSAN ANDRES - HIGH FLOWS, H2S, CO | 4,730 | -1,844 |
| Glorieta | 5,540 | -2,654 |
| Clear ForkCLEARFORK | 7,189 | -4,303 |
| Spraberry | 8,130 | -5,244 |
| SpraberrySPRABERRY UPPER-DEAN | 8,312 | -5,426 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,344 | 19,295 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,575 | 17.5 | 1,680 S |
| 9.625 | 8,415 | 12.25 | 579 S |
| 5.5 | 19,392 | 8.5 | 2,100 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, 2019 | Jan 7, 2019 | Yes |
| 00 | Apr 25, 2019 | Jan 7, 2019 | 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 42-329-42229 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-329-42229 → 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 neighbors, subsea-aligned so they line up regardless of surface terrain.
Spanish Trail42-329-42228
0.0 KM · RSP Permian, LLC · Section with this well →
| Santa Rosa | 1,020 | 1,866 |
| Yates | 2,940 | -54 |
| Seven Rivers | 3,165 | -279 |
| Queen | 3,800 | -914 |
| Grayburg | 4,215 | -1,329 |
| San Andres | 4,695 | -1,809 |
| Glorieta | 5,500 | -2,614 |
| Clear Fork | 7,199 | -4,313 |
10 TOPS · FIRST 8
St E Unit42-329-42261
0.2 KM · Diamondback E&P LLC · Section with this well →
| Santa Rosa | 1,100 | 1,810 |
| Yates | 2,971 | -61 |
| Seven Rivers | 3,238 | -328 |
| Queen | 3,759 | -849 |
| Grayburg | 4,261 | -1,351 |
| San Andres | 4,606 | -1,696 |
| Glorieta | 6,029 | -3,119 |
| Clear Fork | 7,193 | -4,283 |
10 TOPS · FIRST 8
St E Unit42-329-42262
0.2 KM · Diamondback E&P LLC · Section with this well →
| Santa Rosa | 1,100 | 1,784 |
| Yates | 2,972 | -88 |
| Seven Rivers | 3,240 | -356 |
| Queen | 3,757 | -873 |
| Grayburg | 4,260 | -1,376 |
| San Andres | 4,625 | -1,741 |
| Glorieta | 6,029 | -3,145 |
| Clear Fork | 7,196 | -4,312 |
10 TOPS · FIRST 8
St E Unit42-329-44040
0.2 KM · Diamondback E&P LLC · Section with this well →
| Santa Rosa | 1,100 | 1,783 |
| Rustler | 1,700 | 1,183 |
| Yates | 2,963 | -80 |
| Seven Rivers | 3,324 | -441 |
| Queen | 3,751 | -868 |
| Grayburg | 4,244 | -1,361 |
| San Andres | 4,586 | -1,703 |
| Glorieta | 6,021 | -3,138 |
10 TOPS · FIRST 8
St E Unit42-329-44041
0.2 KM · Diamondback E&P LLC · Section with this well →
| Santa Rosa | 1,099 | 1,784 |
| Yates | 2,960 | -77 |
| Seven Rivers | 3,320 | -437 |
| Queen | 3,750 | -867 |
| Grayburg | 4,244 | -1,361 |
| San Andres | 4,587 | -1,704 |
| Glorieta | 6,021 | -3,138 |
| Clear Fork | 7,196 | -4,313 |
10 TOPS · FIRST 8
St E Unit42-329-41736
0.2 KM · Diamondback E&P LLC · Section with this well →
| Santa Rosa | 1,096 | 1,789 |
| Yates | 2,967 | -82 |
| Seven Rivers | 3,241 | -356 |
| Queen | 3,752 | -867 |
| Grayburg | 4,248 | -1,363 |
| San Andres | 4,618 | -1,733 |
| Glorieta | 6,028 | -3,143 |
| Clear Fork | 7,204 | -4,319 |
10 TOPS · FIRST 8
St E Unit42-329-44042
0.2 KM · Diamondback E&P LLC · Section with this well →
| Santa Rosa | 1,107 | 1,776 |
| Yates | 2,967 | -84 |
| Seven Rivers | 3,322 | -439 |
| Queen | 3,752 | -869 |
| Grayburg | 4,252 | -1,369 |
| San Andres | 4,580 | -1,697 |
| Glorieta | 6,028 | -3,145 |
| Clear Fork | 7,193 | -4,310 |
10 TOPS · FIRST 8
St E Unit42-329-41737
0.2 KM · Diamondback E&P LLC · Section with this well →
| Santa Rosa | 1,097 | 1,788 |
| Yates | 2,974 | -89 |
| Seven Rivers | 3,235 | -350 |
| Queen | 3,760 | -875 |
| Grayburg | 4,259 | -1,374 |
| San Andres | 4,628 | -1,743 |
| Glorieta | 6,053 | -3,168 |
| Clear Fork | 7,217 | -4,332 |
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/32942229, documented in the API reference.