WELL · 42-317-43536 · DISTRICT 8
Cross Bar Ranch A8 #3109JH
Martin County · Spraberry (Trend Area) field · Producing · Horizontal
Cross Bar Ranch A8 #3109JH (API 42-317-43536) is a horizontal well in Martin County operated by Cog Operating LLC, completed May 3, 2022 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued May 5, 2021, permitted to 12,000 ft.
Completion filings report 10 formation tops, including Santa Rosa, Yates, Queen, Grayburg.
Its lease has reported 406K barrels of oil and 727K mcf of gas since September 2021, last reporting in July 2026.
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 | COG Operating LLCMay 5, 2021 |
- 12,000
- total depth, ft
- 1
- permits on file
- May 5, 2021
- last permit issued
- May 3, 2022
- completed
- 406K
- cumulative oil, bbl
- 727K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Sep 2021 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- May 3, 2022
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: X
Surface location
32.108827, -102.199440
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Martin 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; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Cross Bar Ranch A8 O-10-57317 | Spraberry (Trend Area) | COG Operating LLC | 1 | 406K | 727K | Sep 2021 – Jul 2026 |
Oil, barrels lease total
Last 12 months 39,888 · prior 12 77,838(-49%)
Gas, mcf lease total
Last 12 months 178,914 · prior 12 172,579(+4%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1COG Operating LLCMay 2022 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 869503-99 | Drill | COG Operating LLC | Apr 28, 2021 | May 5, 2021 | Jun 29, 2021 | 12,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-57317 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,882 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Santa Rosa | 1,143 | 1,739 |
| Yates | 2,943 | -61 |
| Queen | 3,792 | -910 |
| Grayburg | 3,992 | -1,110 |
| San AndresSAN ANDRES - ACTIVE CO2 FLOOD; H | 4,738 | -1,856 |
| Spraberry | 8,051 | -5,169 |
| Cisco | — | — |
| Dean | — | — |
| Pennsylvanian | — | — |
| Wolfcamp | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,845 | 19,251 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,945 | 17.5 | 1,922 S |
| 9.625 | 8,000 | 12.25 | 2,300 S |
| 5.5 | 19,347 | 8.5 | 2,535 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 | Jun 17, 2024 | Apr 9, 2024 | Yes |
| 00 | Dec 19, 2022 | Sep 27, 2022 | — |
| 00 | Aug 23, 2022 | May 19, 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 42-317-43536 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-317-43536 → 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.
Cross Bar Ranch A742-317-43535
0.0 KM · COG Operating LLC · Section with this well →
| Santa Rosa | 1,147 | 1,735 |
| Yates | 2,947 | -65 |
| Queen | 3,796 | -914 |
| Grayburg | 3,996 | -1,114 |
| San Andres | 4,742 | -1,860 |
| Spraberry | 8,055 | -5,173 |
| Dean | — | |
| Devonian | — |
15 TOPS · FIRST 8
Cross Bar Ranch A642-317-43534
0.0 KM · COG Operating LLC · Section with this well →
| Santa Rosa | 1,151 | 1,731 |
| Yates | 2,951 | -69 |
| Queen | 3,800 | -918 |
| Grayburg | 4,000 | -1,118 |
| San Andres | 4,746 | -1,864 |
| Spraberry | 8,059 | -5,177 |
| Dean | 9,280 | -6,398 |
| Wolfcamp | 9,436 | -6,554 |
10 TOPS · FIRST 8
Cross Bar Ranch A542-317-43533
0.0 KM · COG Operating LLC · Section with this well →
| Santa Rosa | 1,151 | 1,731 |
| Yates | 2,951 | -69 |
| Queen | 3,800 | -918 |
| Grayburg | 4,000 | -1,118 |
| San Andres | 4,746 | -1,864 |
| Spraberry | 8,059 | -5,177 |
| Cisco | — | |
| Dean | — |
10 TOPS · FIRST 8
Cross Bar Ranch A942-317-43537
0.3 KM · COG Operating LLC · Section with this well →
| Santa Rosa | 1,142 | 1,739 |
| Yates | 2,942 | -61 |
| Queen | 3,791 | -910 |
| Grayburg | 3,991 | -1,110 |
| San Andres | 4,737 | -1,856 |
| Spraberry | 8,050 | -5,169 |
| Dean | — | |
| Wolfcamp | — |
10 TOPS · FIRST 8
Cross Bar Ranch A1042-317-43538
0.3 KM · COG Operating LLC · Section with this well →
| Santa Rosa | 1,143 | 1,738 |
| Yates | 2,943 | -62 |
| Queen | 3,792 | -911 |
| Grayburg | 3,992 | -1,111 |
| San Andres | 4,738 | -1,857 |
| Spraberry | 8,051 | -5,170 |
| Dean | 9,272 | -6,391 |
| Wolfcamp | 9,428 | -6,547 |
10 TOPS · FIRST 8
Cross Bar Ranch A1142-317-43539
0.3 KM · COG Operating LLC · Section with this well →
| Santa Rosa | 1,142 | 1,739 |
| Yates | 2,942 | -61 |
| Queen | 3,791 | -910 |
| Grayburg | 3,991 | -1,110 |
| San Andres | 4,737 | -1,856 |
| Spraberry | 8,050 | -5,169 |
| Cisco | — | |
| Wolfcamp | — |
10 TOPS · FIRST 8
Cross Bar Ranch A1242-317-43540
0.3 KM · COG Operating LLC · Section with this well →
| Santa Rosa | 1,142 | 1,739 |
| Yates | 2,942 | -61 |
| Queen | 3,791 | -910 |
| Grayburg | 3,991 | -1,110 |
| San Andres | 4,737 | -1,856 |
| Spraberry | 8,050 | -5,169 |
| Cisco | — | |
| Wolfcamp | — |
10 TOPS · FIRST 8
Cross Bar Ranch A442-317-43531
0.4 KM · COG Operating LLC · Section with this well →
| Santa Rosa | 1,156 | 1,730 |
| Yates | 2,956 | -70 |
| Queen | 3,805 | -919 |
| Grayburg | 4,005 | -1,119 |
| San Andres | 4,751 | -1,865 |
| Spraberry | 8,064 | -5,178 |
| Cisco | — | |
| Pennsylvanian | — |
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/31743536, documented in the API reference.