WELL · 42-173-37686 · DISTRICT 8
Sem SN 35-26 03 #203H
Glasscock County · Spraberry (Trend Area) field · Producing · Horizontal
Sem SN 35-26 03 #203H (API 42-173-37686) is a horizontal well in Glasscock County operated by Diamondback E&P LLC, completed February 2, 2018 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued August 25, 2017, permitted to 12,000 ft.
It was permitted by Energen Resources Corporation and has since transferred to Diamondback E&P LLC on the wellbore schedule.
Completion filings report 10 formation tops, including Santa Rosa, Yates, Seven Rivers, Queen.
Its lease has reported 232K barrels of oil and 2.9M mcf of gas since February 2018, last reporting in July 2026.
Operator of record
Permitted by Energen Resources Corporation; the EWA schedule now lists a different operator.
Midland, TX · P-5 Y, filed Mar 4, 2026 · 5,237 permits on file · (855) 247-5920
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Diamondback E&P LLC |
| Production reports | Diamondback E&P LLCthrough Apr 2026 |
| Latest permit | Energen Resources CorporationAug 25, 2017 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 12,000
- total depth, ft
- 2
- permits on file
- Aug 25, 2017
- last permit issued
- Feb 2, 2018
- completed
- 232K
- cumulative oil, bbl
- 2.9M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Feb 2018 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Feb 2, 2018
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: X
Surface location
31.655807, -101.539482
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Glasscock 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; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Sem SN 35-26 03 O-10-50497 | Spraberry (Trend Area) | Diamondback E&P LLC | 1 | 232K | 2.9M | Feb 2018 – Jul 2026 |
Gas, mcf lease total
Last 12 months 254,920 · prior 12 293,077(-13%)
Oil, barrels lease total
Last 12 months 6,187 · prior 12 5,994(+3%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Energen Resources CorporationFeb 2018 → Jan 2019
- 2Diamondback E&P LLCFeb 2019 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 829250-98 | Drill | Energen Resources Corporation | Aug 31, 2017 | Aug 25, 2017 | — | 12,000 |
| 829250-99 | Drill | Energen Resources Corporation | Jul 27, 2017 | Aug 25, 2017 | Sep 22, 2017 | 12,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-50497 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,668 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Santa Rosa | 512 | 2,156 |
| Yates | 1,908 | 760 |
| Seven Rivers | 2,026 | 642 |
| Queen | 2,272 | 396 |
| Grayburg | 2,897 | -229 |
| San AndresSAN ANDRES - HIGH FLOWS, H2S, CO | 3,238 | -570 |
| Glorieta | 3,942 | -1,274 |
| Clear ForkCLEARFORK | 4,573 | -1,905 |
| Spraberry | 6,231 | -3,563 |
| Wichita-AlbanyWICHITA ALBANY | 7,335 | -4,667 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,730 | 18,902 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 432 | 17.5 | 800 S |
| 9.625 | 7,700 | 12.25 | 1,910 S |
| 5.5 | 18,996 | 8.75 | 2,529 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 | Oct 18, 2018 | Jul 16, 2018 | 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 42-173-37686 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-173-37686 → 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.
Huling 36-48 H42-173-39056
1.5 KM · Endeavor Energy Resources L.P. · Section with this well →
| Rustler | 1,198 | 1,474 |
| Yates | 1,863 | 809 |
| Seven Rivers | 2,065 | 607 |
| Queen | 2,636 | 36 |
| Grayburg | 3,104 | -432 |
| San Andres | 3,548 | -876 |
| Glorieta | 4,309 | -1,637 |
| Clear Fork | 4,958 | -2,286 |
10 TOPS · FIRST 8
Huling 36-48 G42-173-39055
1.5 KM · Endeavor Energy Resources L.P. · Section with this well →
| Rustler | 1,216 | 1,456 |
| Yates | 1,861 | 811 |
| Seven Rivers | 2,063 | 609 |
| Queen | 2,630 | 42 |
| Grayburg | 3,122 | -450 |
| San Andres | 3,566 | -894 |
| Glorieta | 4,327 | -1,655 |
| Clear Fork | 4,940 | -2,268 |
10 TOPS · FIRST 8
Huling 36-48 E42-173-39054
1.5 KM · Endeavor Energy Resources L.P. · Section with this well →
| Rustler | 1,214 | 1,458 |
| Yates | 1,855 | 817 |
| Seven Rivers | 2,067 | 605 |
| Queen | 2,623 | 49 |
| Grayburg | 3,120 | -448 |
| San Andres | 3,564 | -892 |
| Glorieta | 4,325 | -1,653 |
| Clear Fork | 4,926 | -2,254 |
10 TOPS · FIRST 8
Huling 36-24 H42-173-38813
1.5 KM · Endeavor Energy Resources L.P. · Section with this well →
| Santa Rosa | 1,000 | 1,672 |
| Rustler | 1,124 | 1,548 |
| Yates | 1,760 | 912 |
| Seven Rivers | 2,100 | 572 |
| Queen | 2,400 | 272 |
| Grayburg | 3,125 | -453 |
| San Andres | 3,597 | -925 |
| Glorieta | 4,042 | -1,370 |
10 TOPS · FIRST 8
Huling 36-24 F42-173-38811
1.5 KM · Endeavor Energy Resources L.P. · Section with this well →
| Santa Rosa | 1,000 | 1,672 |
| Rustler | 1,138 | 1,534 |
| Yates | 1,760 | 912 |
| Seven Rivers | 2,100 | 572 |
| Queen | 2,400 | 272 |
| Grayburg | 3,114 | -442 |
| San Andres | 3,557 | -885 |
| Glorieta | 4,024 | -1,352 |
10 TOPS · FIRST 8
Huling 36-24 E42-173-38810
1.5 KM · Endeavor Energy Resources L.P. · Section with this well →
| Santa Rosa | 1,000 | 1,672 |
| Rustler | 1,128 | 1,544 |
| Yates | 1,760 | 912 |
| Seven Rivers | 2,100 | 572 |
| Queen | 2,400 | 272 |
| Grayburg | 3,071 | -399 |
| San Andres | 3,651 | -979 |
| Glorieta | 4,014 | -1,342 |
10 TOPS · FIRST 8
August 27-22-H42-173-37958
1.7 KM · Parsley Energy Operations, LLC · Section with this well →
| San Andres | 2,304 | 371 |
| Spraberry | 5,271 | -2,596 |
| Clear Fork | 5,289 | -2,614 |
| Glorieta | — | |
| Yates | — | |
| Wichita-Albany | — | |
| Seven Rivers | — | |
| Santa Rosa | — |
10 TOPS · FIRST 8
August 27-22-H42-173-37960
1.7 KM · Parsley Energy Operations, LLC · Section with this well →
| San Andres | 2,304 | 371 |
| Clear Fork | 4,588 | -1,913 |
| Spraberry | 5,263 | -2,588 |
| Seven Rivers | — | |
| Santa Rosa | — | |
| Queen | — | |
| Grayburg | — | |
| Glorieta | — |
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/17337686, documented in the API reference.