WELL · 42-371-40519 · DISTRICT 10
University -C- #18HA
Pecos County · Horizontal
University -C- #18HA (API 42-371-40519) is a permitted horizontal well in Pecos County filed by M.A.R.S. Energy; no completion report is on file yet.
The RRC has issued one drilling permit, issued December 12, 2025, permitted to 1,350 ft.
Completion filings report 10 formation tops, including Seven Rivers, Queen, Grayburg, Capitan.
Operator of record
Midland, TX · P-5 Y, filed Mar 4, 2026 · 5 permits on file · (325) 428-7988
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | none |
| Latest permit | M.A.R.S. EnergyDec 12, 2025 |
- 1,350
- total depth, ft
- 1
- permits on file
- Dec 12, 2025
- last permit issued
- —
- completed
- —
- cumulative oil, bbl
- —
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- Shut in
- —
- Plugged
- —
Surface location
30.892995, -102.315622
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Pecos County.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 912138-99 | Drill | M.A.R.S. Energy | Dec 8, 2025 | Dec 12, 2025 | Dec 23, 2025 | 1,350 |
Formation tops
As filed on W-2/G-1. Subsea from 2,600 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Seven Rivers | 1,070 | 1,530 |
| Queen | 1,224 | 1,376 |
| Grayburg | 1,620 | 980 |
| CapitanCAPITAN REEF - HIGH FLOWS | — | — |
| Glorieta | — | — |
| O'Brien | — | — |
| Rustler | — | — |
| San AndresSAN ANDRES - USABLE QUALITY WATE | — | — |
| Soma | — | — |
| Yates | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 1 | 1,620 | Perforated |
| 1,620 | 3,489 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 552 | 17 | 610 S |
| 9.625 | 1,106 | 12.75 | 590 S |
| 5.5 | 3,489 | 7.875 | 535 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 | Sep 15, 2026 | May 28, 2026 | — |
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 42-371-40519 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-371-40519 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. 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.
University 'G'42-371-04331
3.3 KM · M.A.R.S. Energy · Section with this well →
| Queen | 1,287 | 1,251 |
| Greyburg | 1,530 | 1,008 |
| San Andres | 1,645 | 893 |
University 742-371-40039
10.1 KM · V-F Petroleum Inc. · Section with this well →
| Yates | 914 | 1,668 |
| Seven Rivers | 1,075 | 1,507 |
| Queen | 1,382 | 1,200 |
| Grayburg | 1,515 | 1,067 |
| Glorieta | 2,310 | 272 |
| Tubb | 3,016 | -434 |
| Rustler | — | |
| O'Brien | — |
10 TOPS · FIRST 8
Millar, L.H.42-371-37432
10.6 KM · Reatta Energy, Inc. · Section with this well →
| Toborg | 100 | 2,533 |
| Soma | 300 | 2,333 |
| Rustler | 590 | 2,043 |
| Yates | 860 | 1,773 |
| Seven Rivers | 909 | 1,724 |
| Queen | 1,333 | 1,300 |
| Grayburg | 1,390 | 1,243 |
| Glorieta | 2,133 | 500 |
10 TOPS · FIRST 8
Wwjd42-371-39627
10.7 KM · Jilpetco, Inc. · Section with this well →
| Rustler | 1,330 | 1,429 |
| Seven Rivers | 1,660 | 1,099 |
| Queen | 1,710 | 1,049 |
| Glorieta | — | |
| Soma | — | |
| Toborg | — | |
| Tubb | — | |
| Yates | — |
10 TOPS · FIRST 8
DB42-371-40275
10.8 KM · Delaware Brine, LLC · Section with this well →
| Toborg | 100 | 2,695 |
| Soma | 700 | 2,095 |
| Yates | 800 | 1,995 |
| Queen | 1,100 | 1,695 |
| Rustler | 1,300 | 1,495 |
| Seven Rivers | 1,400 | 1,395 |
| Grayburg | 1,600 | 1,195 |
| O'Brien | — |
10 TOPS · FIRST 8
Nokota42-371-40429
10.9 KM · Nokota Energy Corporation · Section with this well →
| Yates | 1,220 | 1,542 |
| Seven Rivers | 1,370 | 1,392 |
| Queen | 1,670 | 1,092 |
| Cardinal ;queen | 1,760 | 1,002 |
| Soma | — | |
| Toborg | — | |
| Capitan | — | |
| Grayburg | — |
10 TOPS · FIRST 8
Wwjd42-371-39620
10.9 KM · Jilpetco, Inc. · Section with this well →
| Toborg | 100 | 2,727 |
| Soma | 700 | 2,127 |
| Yates | 1,270 | 1,557 |
| Rustler | 1,320 | 1,507 |
| Seven Rivers | 1,412 | 1,415 |
| Queen | 1,730 | 1,097 |
| Grayburg | 1,904 | 923 |
| Glorieta | — |
10 TOPS · FIRST 8
Wwjd42-371-40454
11.1 KM · Nokota Energy Corporation · Section with this well →
| Capitan | — | |
| Grayburg | — | |
| O'Brien | — | |
| Queen | — | |
| Rustler | — | |
| San Andres | — | |
| Seven Rivers | — | |
| Soma | — |
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/37140519, documented in the API reference.