WELL · 42-173-36630 · DISTRICT 8
W. Jost Oil Unit #39F
Glasscock County · Spraberry (Trend Area) field · Producing · Vertical
W. Jost Oil Unit #39F (API 42-173-36630) is a well in Glasscock County operated by Crescent Energy Operating LLC, completed January 7, 2015 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued June 12, 2014, permitted to 12,000 ft.
It was permitted by Laredo Petroleum, Inc. and has since transferred to Crescent Energy Operating LLC on the wellbore schedule.
Completion filings report 10 formation tops, including Santa Rosa, Yates, Seven Rivers, Queen.
Its lease has reported 82.8K barrels of oil and 305K mcf of gas since October 2011, last reporting in July 2026. The lease carries 2 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Laredo Petroleum, Inc.; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active (A)
- P-5 last filed
- Aug 28, 2025
- Permits on file
- 54
- Phone
- (713) 337-4600
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 | Laredo Petroleum, Inc.Jun 12, 2014 |
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
- 1
- permits on file
- Jun 12, 2014
- last permit issued
- Jan 7, 2015
- completed
- 82.8K
- cumulative oil, bbl
- 305K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Oct 2011 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jan 7, 2015
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
Surface location
No coordinates on the permit record yet. The RRC's GIS record usually lands within days of issuance; historical master-file permits never carry one.
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 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| W. Jost Oil Unit O-10-41973 | Spraberry (Trend Area) | Crescent Energy Operating, LLC | 2 | 82.8K | 305K | Oct 2011 – Jul 2026 |
Oil, barrels lease total
Last 12 months 945 · prior 12 1,185(-20%)
Gas, mcf lease total
Last 12 months 5,092 · prior 12 7,086(-28%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Laredo Petroleum - Dallas, Inc.Oct 2011 → Dec 2013
- 2Laredo Petroleum, Inc.Jan 2014 → Jan 2023
- 3Vital Energy, Inc.Feb 2023 → Dec 2025
- 4Crescent Energy Operating, LLCJan 2026 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 786687-99 | Drill | Laredo Petroleum, Inc. | May 9, 2014 | Jun 12, 2014 | Oct 16, 2014 | 12,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-41973 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,715 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Santa Rosa | 1,000 | 1,715 |
| Yates | 1,610 | 1,105 |
| Seven Rivers | 1,754 | 961 |
| Queen | 2,410 | 305 |
| Grayburg | 2,440 | 275 |
| San AndresSAN ANDRES - HIGH FLOWS, H2S, CO | 3,120 | -405 |
| Glorieta | 3,812 | -1,097 |
| Clear ForkCLEARFORK | 4,850 | -2,135 |
| Wichita-AlbanyWICHITA ALBANY | 4,850 | -2,135 |
| Spraberry | 5,850 | -3,135 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,134 | 10,208 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 563 | 17.5 | 480 S |
| 8.625 | 5,041 | 11 | 1,500 S |
| 5.5 | 10,419 | 7.875 | 895 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 21, 2015 | Mar 11, 2015 | 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 42-173-36630 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-173-36630 → 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.
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/17336630, documented in the API reference.