WELL · 42-495-34643 · DISTRICT 8
COP #121H
Winkler County · Keystone (Wolfcamp) field · Producing · Horizontal
Cop #121H (API 42-495-34643) is a horizontal well in Winkler County operated by Boyd & Mcwilliams Operating LLC, completed November 22, 2021 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued September 16, 2021, permitted to 8,200 ft.
Completion filings report 10 formation tops, including Rustler, Yates, San Andres, Clear Fork.
Its lease has reported 3.43M barrels of oil and 3.3M mcf of gas since October 2020, last reporting in July 2026. The lease carries 12 wells, so these are lease totals, not this well alone.
Operator of record
Boyd & McWilliams Operating LLC
Midland, TX · P-5 Y, filed Jul 4, 2026 · 128 permits on file · (432) 559-4619
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Boyd & McWilliams Operating LLC |
| Production reports | Boyd & McWilliams Operating, LLCthrough Apr 2026 |
| Latest permit | Boyd & McWilliams Operating, LLCSep 16, 2021 |
- 8,200
- total depth, ft
- 2
- permits on file
- Sep 16, 2021
- last permit issued
- Nov 22, 2021
- completed
- 3.43M
- cumulative oil, bbl
- 3.3M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Oct 2020 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Nov 22, 2021
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
Surface location
31.918331, -102.981238
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Winkler 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 12 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| COP O-10-56269 | Keystone (Wolfcamp) | Boyd & McWilliams Operating, LLC | 12 | 3.43M | 3.3M | Oct 2020 – Jul 2026 |
Oil, barrels lease total
Last 12 months 805,185 · prior 12 894,004(-10%)
Gas, mcf lease total
Last 12 months 614,307 · prior 12 850,635(-28%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Boyd & McWilliams Operating, LLCNov 2020 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 872741-98 | Drill | Boyd & McWilliams Operating, LLC | Oct 6, 2021 | Sep 16, 2021 | Oct 19, 2021 | 8,200 |
| 872741-99 | Drill | Boyd & McWilliams Operating, LLC | Sep 14, 2021 | Sep 16, 2021 | — | 8,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-56269 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,980 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| RustlerRUSTLER - POSSIBLE FLOW; POSSIBL | 1,134 | 1,846 |
| Yates | 2,768 | 212 |
| San AndresSAN ANDRES - HIGH FLOWS, H2S, CO | 4,186 | -1,206 |
| Clear ForkCLEARFORK | 5,726 | -2,746 |
| CapitanCAPITAN REEF - HIGH FLOWS | — | — |
| Colby / Queen | — | — |
| Delaware | — | — |
| Glorieta | — | — |
| Holt | — | — |
| Seven RiversSEVEN RIVERS / QUEEN | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,080 | 13,911 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 810 | 12.25 | 505 S |
| 7 | 7,082 | 8.75 | 2,184 S |
| 5 | 14,124 | 8.75 | 2,184 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 | Oct 24, 2022 | Sep 9, 2022 | 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 42-495-34643 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-495-34643 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. 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.
Primero42-495-34636
0.5 KM · Saddleback Exploration, LLC · Section with this well →
| Rustler | 1,141 | 1,825 |
| Yates | 2,686 | 280 |
| Seven Rivers | 2,968 | -2 |
| San Andres | 4,135 | -1,169 |
| Glorieta | 5,172 | -2,206 |
| Clear Fork | 5,627 | -2,661 |
| Colby / Queen | — | |
| Delaware | — |
10 TOPS · FIRST 8
Tercero42-495-34778
0.5 KM · Saddleback Exploration, LLC · Section with this well →
| Rustler | 1,161 | 1,804 |
| Yates | 2,711 | 254 |
| Seven Rivers | 2,981 | -16 |
| San Andres | 4,147 | -1,182 |
| Glorieta | 5,176 | -2,211 |
| Clear Fork | 5,637 | -2,672 |
| Capitan | — | |
| Holt | — |
10 TOPS · FIRST 8
Whiting 2242-495-34831
1.4 KM · Saddleback Exploration, LLC · Section with this well →
| Rustler | 1,127 | 1,853 |
| Yates | 2,752 | 228 |
| Seven Rivers | 3,039 | -59 |
| San Andres | 4,221 | -1,241 |
| Glorieta | 5,246 | -2,266 |
| Clear Fork | 5,717 | -2,737 |
| Capitan | — | |
| Holt | — |
10 TOPS · FIRST 8
COP42-495-34559
1.4 KM · Boyd & McWilliams Operating, LLC · Section with this well →
| Rustler | 1,128 | 1,857 |
| Yates | 2,792 | 193 |
| Colby / Queen | 2,865 | 120 |
| San Andres | 4,187 | -1,202 |
| Clear Fork | 5,704 | -2,719 |
| Capitan | — | |
| Seven Rivers | — | |
| Holt | — |
10 TOPS · FIRST 8
COP42-495-34693
1.4 KM · Boyd & McWilliams Operating, LLC · Section with this well →
| Rustler | 1,145 | 1,851 |
| Yates | 2,835 | 161 |
| San Andres | 4,237 | -1,241 |
| Clear Fork | 5,769 | -2,773 |
| Capitan | — | |
| Colby / Queen | — | |
| Delaware | — | |
| Glorieta | — |
10 TOPS · FIRST 8
East Keystone (San a Holt Unit)42-495-33963
1.6 KM · Blackbeard Operating, LLC · Section with this well →
| Rustler | 725 | 2,242 |
| Yates | 2,280 | 687 |
| Queen | 2,700 | 267 |
| Colby-Queen | 2,900 | 67 |
| San Andres | 3,600 | -633 |
| Holt | 4,500 | -1,533 |
| Delaware | — | |
| Wichita-Albany | — |
10 TOPS · FIRST 8
COP42-495-34580
1.7 KM · Boyd & McWilliams Operating, LLC · Section with this well →
| Rustler | 1,177 | 1,829 |
| Yates | 2,848 | 158 |
| Colby / Queen | 3,834 | -828 |
| San Andres | 4,266 | -1,260 |
| Clear Fork | 5,820 | -2,814 |
| Holt | — | |
| Glorieta | — | |
| Delaware | — |
10 TOPS · FIRST 8
Whiting 2142-495-34095
1.8 KM · Boyd & McWilliams Operating, LLC · Section with this well →
| Rustler | 1,190 | 1,816 |
| Yates | 2,840 | 166 |
| San Andres | 4,267 | -1,261 |
| Wichita-Albany | 6,960 | -3,954 |
| Queen | — | |
| Clear Fork | — | |
| Colby-Queen | — | |
| Delaware | — |
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/49534643, documented in the API reference.