WELL · 42-135-43871 · DISTRICT 8
Ratliff F Unit #3003JH
Ector County · Spraberry (Trend Area) field · Producing · Horizontal
Ratliff F Unit #3003JH (API 42-135-43871) is a horizontal well in Ector County operated by Cog Operating LLC, completed September 26, 2022 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued March 15, 2022, permitted to 12,000 ft.
Completion filings report 10 formation tops, including Santa Rosa, Yates, Seven Rivers, Queen.
Its lease has reported 675K barrels of oil and 1.2M mcf of gas since September 2022, last reporting in July 2026. The lease carries 2 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 | COG Operating LLCMar 15, 2022 |
- 12,000
- total depth, ft
- 1
- permits on file
- Mar 15, 2022
- last permit issued
- Sep 26, 2022
- completed
- 675K
- cumulative oil, bbl
- 1.2M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Sep 2022 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Sep 26, 2022
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: X
Surface location
31.980927, -102.349481
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Ector 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 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Ratliff F Unit O-10-58153 | Spraberry (Trend Area) | COG Operating LLC | 2 | 675K | 1.2M | Sep 2022 – Jul 2026 |
Oil, barrels lease total
Last 12 months 108,639 · prior 12 140,405(-23%)
Gas, mcf lease total
Last 12 months 358,491 · prior 12 286,247(+25%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1COG Operating LLCSep 2022 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 877792-99 | Drill | COG Operating LLC | Mar 8, 2022 | Mar 15, 2022 | Apr 3, 2022 | 12,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-58153 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,991 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Santa RosaSANTA ROSA BASE | 1,121 | 1,870 |
| Yates | 3,198 | -207 |
| Seven Rivers | 3,798 | -807 |
| Queen | 4,041 | -1,050 |
| Grayburg | 4,141 | -1,150 |
| San AndresSAN ANDRES - HIGH FLOWS, H2S, CO | 5,174 | -2,183 |
| Holt | 5,774 | -2,783 |
| Glorieta | 6,221 | -3,230 |
| Clear ForkCLEARFORK | 8,004 | -5,013 |
| Tubb | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,976 | 19,492 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,744 | 17.5 | 1,284 S |
| 9.625 | 8,075 | 12.25 | 2,775 S |
| 5.5 | 19,583 | 8.5 | 2,590 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 | Jan 3, 2023 | Nov 7, 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 42-135-43871 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-135-43871 → 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.
Ratliff F Unit42-135-43872
0.0 KM · COG Operating LLC · Section with this well →
| Santa Rosa | 1,121 | 1,870 |
| Yates | 3,198 | -207 |
| Seven Rivers | 3,798 | -807 |
| Queen | 4,041 | -1,050 |
| Grayburg | 4,141 | -1,150 |
| San Andres | 5,174 | -2,183 |
| Holt | 5,774 | -2,783 |
| Glorieta | 6,221 | -3,230 |
10 TOPS · FIRST 8
Ratliff A42-135-43189
1.0 KM · Reliance Energy, Inc. · Section with this well →
| Santa Rosa | 1,246 | 1,753 |
| Yates | 3,089 | -90 |
| Seven Rivers | 3,453 | -454 |
| Queen | 4,288 | -1,289 |
| Grayburg | 4,991 | -1,992 |
| San Andres | 5,543 | -2,544 |
| Clear Fork | 7,353 | -4,354 |
| Holt | — |
10 TOPS · FIRST 8
Ratliff JGA442-135-44077
1.4 KM · COG Operating LLC · Section with this well →
| Santa Rosa | 1,925 | 1,056 |
| Yates | 3,130 | -149 |
| San Andres | 4,955 | -1,974 |
| Glorieta | 6,020 | -3,039 |
| Clear Fork | 7,376 | -4,395 |
| Queen | — | |
| Holt | — | |
| Grayburg | — |
10 TOPS · FIRST 8
Ratliff JGA342-135-44076
1.4 KM · COG Operating LLC · Section with this well →
| Santa Rosa | 1,927 | 1,054 |
| Yates | 3,138 | -157 |
| San Andres | 4,948 | -1,967 |
| Glorieta | 6,032 | -3,051 |
| Clear Fork | 7,391 | -4,410 |
| Queen | — | |
| Tubb | — | |
| Seven Rivers | — |
10 TOPS · FIRST 8
Ratliff JGA242-135-44075
1.4 KM · COG Operating LLC · Section with this well →
| Santa Rosa | 1,915 | 1,066 |
| Yates | 3,125 | -144 |
| San Andres | 4,918 | -1,937 |
| Glorieta | 6,053 | -3,072 |
| Clear Fork | 7,392 | -4,411 |
| Queen | — | |
| Tubb | — | |
| Seven Rivers | — |
10 TOPS · FIRST 8
Eureka 31-43 C42-135-43980
1.8 KM · Slant Operating, LLC · Section with this well →
| Yates | 3,128 | -119 |
| Seven Rivers | 3,504 | -495 |
| San Andres | 5,022 | -2,013 |
| Glorieta | 6,242 | -3,233 |
| Clear Fork | 7,354 | -4,345 |
| Spraberry | 8,070 | -5,061 |
| Santa Rosa | — | |
| Queen | — |
10 TOPS · FIRST 8
Eureka 31-43 B42-135-43979
1.8 KM · Slant Operating, LLC · Section with this well →
| Yates | 3,136 | -127 |
| Seven Rivers | 3,498 | -489 |
| San Andres | 5,022 | -2,013 |
| Glorieta | 6,244 | -3,235 |
| Clear Fork | 7,359 | -4,350 |
| Spraberry | 8,072 | -5,063 |
| Santa Rosa | — | |
| Queen | — |
10 TOPS · FIRST 8
Eureka 31-43 A42-135-43978
1.8 KM · Slant Operating, LLC · Section with this well →
| Yates | 3,133 | -124 |
| Seven Rivers | 3,497 | -488 |
| San Andres | 5,022 | -2,013 |
| Glorieta | 6,256 | -3,247 |
| Clear Fork | 7,371 | -4,362 |
| Queen | — | |
| Holt | — | |
| Grayburg | — |
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/13543871, documented in the API reference.