WELL · 42-173-36374 · DISTRICT 8
Calverley 9 #1A
Glasscock County · Spraberry (Trend Area) field · Vertical
Calverley 9 #1A (API 42-173-36374) is a plugged well in Glasscock County, plugged May 14, 2024, last operated by Cog Operating LLC.
The RRC has issued one drilling permit, issued February 21, 2014, permitted to 12,000 ft.
It was permitted by Adventure Expl Partners II, LLC and has since transferred to Cog Operating LLC on the wellbore schedule.
Completion filings report 10 formation tops, including Yates, San Andres, Spraberry, Mississippian.
Its lease has reported 91.5K barrels of oil and 337K mcf of gas since April 2014, last reporting in March 2024. The lease carries 3 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Adventure Expl Partners II, LLC; the EWA schedule now lists a different operator.
Midland, TX · P-5 Y, filed May 4, 2026 · 4,568 permits on file · (432) 853-2355
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | COG Operating LLC |
| Production reports | COG Operating LLCthrough Aug 2023 |
| Latest permit | Adventure Expl Partners II, LLCFeb 21, 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
- Feb 21, 2014
- last permit issued
- Jul 15, 2014
- completed
- 91.5K
- cumulative oil, bbl
- 337K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Apr 2014 THROUGH Mar 2024
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jul 15, 2014
- Shut in
- —
- Plugged
- May 14, 2024
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 3 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Calverley 9 O-10-45162 | Spraberry (Trend Area) | COG Operating LLC | 3 | 91.5K | 337K | Apr 2014 – Mar 2024 |
Gas, mcf lease total
Last 12 months 0 · prior 12 0
Oil, barrels lease total
Last 12 months 0 · prior 12 0
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Adventure Expl Partners II, LLCApr 2014 → Aug 2014
- 2RSP Permian, LLCSep 2014 → Jul 2018
- 3COG Operating LLCAug 2018 → Aug 2023
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 778096-99 | Drill | Adventure Expl Partners II, LLC | Jan 23, 2014 | Feb 21, 2014 | Mar 30, 2014 | 12,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-45162 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,654 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 2,142 | 512 |
| San AndresSAN ANDRES - HIGH FLOWS, H2S, CO | 3,680 | -1,026 |
| Spraberry | 6,554 | -3,900 |
| Mississippian | 10,813 | -8,159 |
| Clear ForkCLEARFORK | — | — |
| Glorieta | — | — |
| Grayburg | — | — |
| Queen | — | — |
| Santa Rosa | — | — |
| Seven Rivers | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,398 | 11,290 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 379 | 17.5 | 400 S |
| 8.625 | 4,031 | 11 | 1,090 S |
| 5.5 | 11,500 | 7.875 | 1,465 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 26, 2014 | Aug 26, 2014 | 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 42-173-36374 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-173-36374 → 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/17336374, documented in the API reference.