WELL · 42-173-37920 · DISTRICT 8
Calverley 22-27 #401H
Glasscock County · Spraberry (Trend Area) field · Producing · Horizontal
Calverley 22-27 #401H (API 42-173-37920) is a horizontal well in Glasscock County operated by Cog Operating LLC, completed January 28, 2019 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued June 8, 2018, permitted to 12,000 ft.
Completion filings report 10 formation tops, including Santa Rosa, Yates, Seven Rivers, Queen.
Its lease has reported 3.03M barrels of oil and 22.6M mcf of gas since May 2017, last reporting in July 2026. The lease carries 14 wells, so these are lease totals, not this well alone.
Operator of record
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 Apr 2026 |
| Latest permit | RSP Permian, LLCJun 8, 2018 |
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
- Jun 8, 2018
- last permit issued
- Jan 28, 2019
- completed
- 3.03M
- cumulative oil, bbl
- 22.6M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · May 2017 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jan 28, 2019
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: X
Surface location
31.786003, -101.705369
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 14 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Calverley 22-27 O-10-49092 | Spraberry (Trend Area) | COG Operating LLC | 14 | 3.03M | 22.6M | May 2017 – Jul 2026 |
Gas, mcf lease total
Last 12 months 1,594,737 · prior 12 1,660,995(-4%)
Oil, barrels lease total
Last 12 months 60,287 · prior 12 75,748(-20%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1RSP Permian, LLCMay 2017 → Jul 2018
- 2COG Operating LLCAug 2018 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 840998-98 | Drill | COG Operating LLC | Jul 21, 2018 | Jun 8, 2018 | Aug 10, 2018 | 12,000 |
| 840998-99 | Drill | RSP Permian, LLC | Jun 8, 2018 | Jun 8, 2018 | Aug 10, 2018 | 12,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-49092 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,680 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Santa Rosa | 624 | 2,056 |
| Yates | 2,143 | 537 |
| Seven Rivers | 2,355 | 325 |
| Queen | 3,365 | -685 |
| Grayburg | 4,208 | -1,528 |
| San AndresSAN ANDRES - HIGH FLOWS, H2S, CO | 4,377 | -1,697 |
| Glorieta | 4,610 | -1,930 |
| Clear ForkCLEARFORK | 5,703 | -3,023 |
| Spraberry | 6,798 | -4,118 |
| Wichita-AlbanyWICHITA ALBANY | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,292 | 18,587 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 500 | 17.5 | 525 S |
| 9.625 | 7,134 | 12.25 | 547 S |
| 5.5 | 18,650 | 8.5 | 2,200 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 16, 2019 | May 21, 2019 | 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 42-173-37920 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-173-37920 → 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 22-2742-173-37921
0.0 KM · RSP Permian, LLC · Section with this well →
| Santa Rosa | 528 | 2,151 |
| Yates | 2,149 | 530 |
| Seven Rivers | 2,366 | 313 |
| Queen | 2,745 | -66 |
| Grayburg | 3,519 | -840 |
| San Andres | 3,828 | -1,149 |
| Glorieta | 4,618 | -1,939 |
| Clear Fork | 5,271 | -2,592 |
10 TOPS · FIRST 8
Calverley 22-27 S42-173-37685
0.1 KM · RSP Permian, LLC · Section with this well →
| Santa Rosa | 1,424 | 1,263 |
| Yates | 2,167 | 520 |
| Seven Rivers | 2,366 | 321 |
| Queen | 2,725 | -38 |
| Glorieta | 3,340 | -653 |
| Grayburg | 3,493 | -806 |
| San Andres | 3,662 | -975 |
| Clear Fork | 5,710 | -3,023 |
10 TOPS · FIRST 8
Calverley 22-2742-173-37680
0.1 KM · RSP Permian, LLC · Section with this well →
| Santa Rosa | 1,426 | 1,261 |
| Yates | 2,167 | 520 |
| Seven Rivers | 2,355 | 332 |
| Queen | 2,733 | -46 |
| Glorieta | 3,345 | -658 |
| Grayburg | 3,495 | -808 |
| San Andres | 3,670 | -983 |
| Clear Fork | 5,721 | -3,034 |
10 TOPS · FIRST 8
Calverley 22-2742-173-37681
0.1 KM · RSP Permian, LLC · Section with this well →
| Santa Rosa | 1,430 | 1,257 |
| Yates | 2,171 | 516 |
| Seven Rivers | 2,367 | 320 |
| Queen | 2,735 | -48 |
| Glorieta | 3,345 | -658 |
| Grayburg | 3,497 | -810 |
| San Andres | 3,666 | -979 |
| Clear Fork | 5,711 | -3,024 |
10 TOPS · FIRST 8
Calverley 22-27 D42-173-37679
0.1 KM · RSP Permian, LLC · Section with this well →
| Santa Rosa | 1,429 | 1,258 |
| Yates | 2,180 | 507 |
| Seven Rivers | 2,366 | 321 |
| Queen | 2,733 | -46 |
| Glorieta | 3,340 | -653 |
| Grayburg | 3,493 | -806 |
| San Andres | 3,670 | -983 |
| Clear Fork | 5,718 | -3,031 |
10 TOPS · FIRST 8
Calverley 22-2742-173-37918
0.2 KM · RSP Permian, LLC · Section with this well →
| Santa Rosa | 620 | 2,048 |
| Spraberry | 671 | 1,997 |
| Yates | 2,129 | 539 |
| Seven Rivers | 2,341 | 327 |
| Queen | 2,342 | 326 |
| Glorieta | 3,165 | -497 |
| Grayburg | 4,040 | -1,372 |
| San Andres | 4,260 | -1,592 |
10 TOPS · FIRST 8
Bigby West G 10-342-173-38743
0.2 KM · Pioneer Natural Res. USA, Inc. · Section with this well →
| Santa Rosa | 825 | 1,875 |
| Rustler | 1,359 | 1,341 |
| Yates | 2,172 | 528 |
| Seven Rivers | 2,423 | 277 |
| Queen | 3,075 | -375 |
| Grayburg | 3,501 | -801 |
| San Andres | 3,675 | -975 |
| Clear Fork | 5,667 | -2,967 |
10 TOPS · FIRST 8
Calverley 22-2742-173-37919
0.2 KM · RSP Permian, LLC · Section with this well →
| Santa Rosa | 603 | 2,065 |
| Yates | 2,147 | 521 |
| Seven Rivers | 2,342 | 326 |
| Queen | 3,133 | -465 |
| Grayburg | 4,040 | -1,372 |
| San Andres | 4,260 | -1,592 |
| Glorieta | 4,578 | -1,910 |
| Clear Fork | 5,714 | -3,046 |
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/17337920, documented in the API reference.