WELL · 42-173-37621 · DISTRICT 8
Calverley 36B-25A-A #4801H
Glasscock County · Spraberry (Trend Area) field · Producing · Horizontal
Calverley 36b-25a-A #4801H (API 42-173-37621) is a horizontal well in Glasscock County operated by Crescent Energy Operating LLC, completed July 19, 2018 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended twice), issued June 15, 2017, permitted to 9,435 ft.
It was permitted by Parsley Energy Operations, LLC and has since transferred to Crescent Energy Operating LLC on the wellbore schedule.
Completion filings report 10 formation tops, including San Andres, Clear Fork, Spraberry, Glorieta.
Its lease has reported 634K barrels of oil and 1.79M mcf of gas since July 2018, last reporting in July 2026. The lease carries 3 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Parsley Energy Operations, LLC; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed May 4, 2026 · 54 permits on file · (713) 953-8604
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Crescent Energy Operating LLC |
| Production reports | Crescent Energy Operating, LLCthrough Apr 2026 |
| Latest permit | Parsley Energy Operations, LLCJun 15, 2017 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,435
- total depth, ft
- 3
- permits on file
- Jun 15, 2017
- last permit issued
- Jul 19, 2018
- completed
- 634K
- cumulative oil, bbl
- 1.79M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jul 2018 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jul 19, 2018
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
Surface location
31.885220, -101.599994
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; they carry 3 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Calverley 36B-25A-A O-10-51418 | Spraberry (Trend Area) | Crescent Energy Operating, LLC | 3 | 634K | 1.79M | Jul 2018 – Jul 2026 |
Oil, barrels lease total
Last 12 months 34,273 · prior 12 42,331(-19%)
Gas, mcf lease total
Last 12 months 175,041 · prior 12 232,195(-25%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Parsley Energy Operations, LLCJul 2018 → Jan 2021
- 2Pioneer Natural Res. USA, Inc.Feb 2021 → Sep 2021
- 3Laredo Petroleum, Inc.Oct 2021 → Jan 2023
- 4Vital Energy, Inc.Feb 2023 → Dec 2025
- 5Crescent Energy Operating, LLCJan 2026 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 827214-97 | Drill | Parsley Energy Operations, LLC | Dec 14, 2017 | Jun 15, 2017 | Sep 15, 2017 | 9,435 |
| 827214-98 | Drill | Parsley Energy Operations, LLC | Aug 18, 2017 | Jun 15, 2017 | — | 9,435 |
| 827214-99 | Drill | Parsley Energy Operations, LLC | May 26, 2017 | Jun 15, 2017 | Sep 15, 2017 | 9,435 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-51418 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,714 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| San AndresSAN ANDRES - HIGH FLOWS, H2S, CO | 2,839 | -125 |
| Clear ForkCLEARFORK | 5,003 | -2,289 |
| Spraberry | 6,274 | -3,560 |
| Glorieta | — | — |
| Grayburg | — | — |
| Queen | — | — |
| Santa Rosa | — | — |
| Seven Rivers | — | — |
| Wichita-AlbanyWICHITA ALBANY | — | — |
| Yates | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,424 | 19,319 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 448 | 17.5 | 450 S |
| 9.625 | 4,781 | 12.25 | 884 S |
| 5.5 | 19,384 | 6.75 | 1,440 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 | Jul 1, 2019 | Dec 21, 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 42-173-37621 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-173-37621 → 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.
Calverley 36B-25A-A42-173-37623
0.0 KM · Parsley Energy Operations, LLC · Section with this well →
| San Andres | 2,875 | -161 |
| Clear Fork | 5,009 | -2,295 |
| Spraberry | 6,286 | -3,572 |
| Glorieta | — | |
| Yates | — | |
| Wichita-Albany | — | |
| Santa Rosa | — | |
| Queen | — |
10 TOPS · FIRST 8
Calverley 36B-25A-A42-173-37624
0.0 KM · Parsley Energy Operations, LLC · Section with this well →
| San Andres | 2,878 | -164 |
| Clear Fork | 5,012 | -2,298 |
| Spraberry | 6,288 | -3,574 |
| Santa Rosa | — | |
| Yates | — | |
| Wichita-Albany | — | |
| Glorieta | — | |
| Grayburg | — |
10 TOPS · FIRST 8
Calverley 3642-173-31585
0.2 KM · Parsley Energy Operations, LLC · Section with this well →
| Anhydrite | 1,260 | 1,446 |
| Yates | 1,990 | 716 |
| San Andres | 3,080 | -374 |
| Clear Fork | 4,826 | -2,120 |
| U. Sprayberry | 6,269 | -3,563 |
| U. Spraberry | 6,269 | -3,563 |
| Wolfcamp | 8,004 | -5,298 |
Calverley 36B42-173-32642
0.6 KM · Parsley Energy Operations, LLC · Section with this well →
| San Andres | 2,942 | -240 |
| Clear Fork | 4,726 | -2,024 |
| U. Spraberry | 6,232 | -3,530 |
| L. Spraberry | 6,848 | -4,146 |
| Wolfcamp | 7,802 | -5,100 |
| Wolfcamp | 7,802 | -5,100 |
| Wolfcamp | 7,956 | -5,254 |
| Wolfcamp | 7,956 | -5,254 |
Palmito Ranch G42-173-38943
1.2 KM · Crownquest Operating, LLC · Section with this well →
| Rustler | 1,192 | 1,530 |
| Yates | 1,978 | 744 |
| Grayburg | 3,121 | -399 |
| San Andres | 3,577 | -855 |
| Glorieta | 4,177 | -1,455 |
| Clear Fork | 4,551 | -1,829 |
| Spraberry | 6,384 | -3,662 |
| Queen | — |
10 TOPS · FIRST 8
Palmito Ranch G42-173-38942
1.2 KM · Crownquest Operating, LLC · Section with this well →
| Rustler | 1,186 | 1,535 |
| Yates | 1,961 | 760 |
| Grayburg | 3,112 | -391 |
| San Andres | 3,568 | -847 |
| Glorieta | 4,170 | -1,449 |
| Clear Fork | 4,539 | -1,818 |
| Spraberry | 6,381 | -3,660 |
| Santa Rosa | — |
10 TOPS · FIRST 8
FT Sumter42-173-38949
1.2 KM · Crownquest Operating, LLC · Section with this well →
| Rustler | 1,141 | 1,562 |
| Yates | 1,943 | 760 |
| Grayburg | 3,053 | -350 |
| San Andres | 3,480 | -777 |
| Glorieta | 4,089 | -1,386 |
| Clear Fork | 4,492 | -1,789 |
| Spraberry | 6,344 | -3,641 |
| Santa Rosa | — |
10 TOPS · FIRST 8
Palmito Ranch F42-173-38940
1.2 KM · Crownquest Operating, LLC · Section with this well →
| Rustler | 1,189 | 1,532 |
| Yates | 1,964 | 757 |
| Grayburg | 3,111 | -390 |
| San Andres | 3,567 | -846 |
| Glorieta | 4,193 | -1,472 |
| Clear Fork | 4,567 | -1,846 |
| Spraberry | 6,380 | -3,659 |
| Seven Rivers | — |
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/17337621, documented in the API reference.