WELL · 42-173-32662 · DISTRICT 8
Calverley #1
Glasscock County · Cobra (Wolfcamp) field · Vertical
Calverley #1 (API 42-173-32662) is a well in Glasscock County operated by Fed Operating LLC, completed September 4, 1996.
The RRC has issued one drilling permit, issued July 29, 1996, permitted to 8,300 ft.
It was permitted by Dyad Petroleum Company and has since transferred to Fed Operating LLC on the wellbore schedule.
Completion filings report 4 formation tops, including Clear Fork, Spraberry, Dean, Wolfcamp.
Its 2 leases have reported 941K barrels of oil and 1.94M mcf of gas since September 1996, last reporting in July 2026. The leases carry 2 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Dyad Petroleum Company; the EWA schedule now lists a different operator.
- Based in
- Midland, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- May 7, 2026
- Permits on file
- 6
- Phone
- (432) 400-2909
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Fed Operating LLC |
| Production reports | Diamondback E&P LLCthrough Apr 2026 |
| Latest permit | Dyad Petroleum CompanyJul 29, 1996 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,300
- total depth, ft
- 1
- permits on file
- Jul 29, 1996
- last permit issued
- Sep 4, 1996
- completed
- 941K
- cumulative oil, bbl
- 1.94M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Sep 1996 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Sep 4, 1996
- Shut in
- —
- Plugged
- —
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 2 leases 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 |
|---|---|---|---|---|---|---|
| Calverley O-10-52515 | Spraberry (Trend Area) | Diamondback E&P LLC | 1 | 39.5K | 139K | Sep 2019 – Jul 2026 |
| Calverley O-10-35059 | Cobra (Wolfcamp) | Fed Operating LLC | 1 | 901K | 1.8M | Sep 1996 – Jan 2020 |
Oil, barrels lease total
Last 12 months 5,009 · prior 12 4,406(+14%)
Gas, mcf lease total
Last 12 months 15,993 · prior 12 16,307(-2%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Dyad Petroleum CompanySep 1996 → Feb 2017
- 2Rio Oil and Gas (Permian) Ii,llcMar 2017 → Jun 2019
- 3Fed Operating LLCAug 2019 → Oct 2022
- 4DE IV Operating, LLCNov 2022 → Apr 2025
- 5Diamondback E&P LLCMay 2025 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 450914-99 | Drill | Dyad Petroleum Company | Jul 29, 1996 | Jul 29, 1996 | Aug 1, 1996 | 8,300 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-35059 | — | — | — | — |
| — | — O-10-52515 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,545 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Clear ForkCLEARFORK | 5,845 | -3,300 |
| SpraberrySPRAYBERRY | 6,110 | -3,565 |
| Dean | 7,432 | -4,887 |
| Wolfcamp | 7,614 | -5,069 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,806 | 7,837 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 12.75 | 401 | 17 | 400 S |
| 8.625 | 3,272 | 11 | 700 S |
| 5.5 | 8,200 | 7.875 | 730 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 | Nov 25, 2019 | Sep 13, 1996 | Yes |
| 00 | Oct 8, 1996 | Sep 13, 1996 | Yes |
| 00 | Oct 2, 1996 | — | — |
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 42-173-32662 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-173-32662 → 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/17332662, documented in the API reference.