TEXAS · WELLS · ECTOR COUNTY · FENDLEY 4-02C LEASE · API 42-135-43045 · DISTRICT 7B
Fendley 4-02C #405MS
Ector County · Spraberry (Trend Area) field · Producing · Horizontal
Fendley 4-02c #405MS (API 42-135-43045) is a horizontal well in Ector County operated by Cog Operating LLC, completed December 17, 2014 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued May 9, 2014, permitted to 7,722 ft.
It was permitted by Rsp Permian, LLC and has since transferred to Cog Operating LLC on the wellbore schedule.
Completion filings report 11 formation tops, including Santa Rosa, Yates, Seven Rivers, Queen.
Its lease has reported 395K barrels of oil and 336K mcf of gas since December 2014, last reporting in July 2026.
Operator of record
Permitted by RSP Permian, LLC; the EWA schedule now lists a different operator.
- Based in
- Midland, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Jun 2, 2026
- Permits on file
- 4,568
- Phone
- (432) 683-7443
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | COG Operating LLC |
| Production reports | COG Operating LLCthrough Mar 2026 |
| Latest permit | RSP Permian, LLCMay 9, 2014 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 7,722
- total depth, ft
- 2
- permits on file
- May 9, 2014
- last permit issued
- Dec 17, 2014
- completed
- 395K
- cumulative oil, bbl
- 336K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Dec 2014 THROUGH Mar 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Dec 17, 2014
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
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; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Fendley 4-02C O-10-46965 | Spraberry (Trend Area) | COG Operating LLC | 1 | 395K | 336K | Dec 2014 – Jul 2026 |
Oil, barrels lease total
Last 12 months 14,698 · prior 12 15,429(-5%)
Gas, mcf lease total
Last 12 months 31,306 · prior 12 26,906(+16%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1RSP Permian, LLCDec 2014 → Jul 2018
- 2COG Operating LLCAug 2018 → Mar 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 783649-98 | Drill | RSP Permian, LLC | Jul 16, 2014 | May 9, 2014 | Aug 11, 2014 | 12,000 |
| 783649-99 | Drill | RSP Permian, LLC | Apr 1, 2014 | May 9, 2014 | Jun 18, 2014 | 12,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Dec 17, 2014 | Fendley 4-02C O-10-46965 | Spraberry (Trend Area) | COG Operating LLC | Producing | 7,722 |
Formation tops
As filed on W-2/G-1. Subsea from 2,922 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Santa RosaSANTA ROSA BASE | 1,390 | 1,532 |
| Yates | 3,072 | -150 |
| Seven Rivers | 3,432 | -510 |
| Queen | 4,178 | -1,256 |
| Grayburg | 4,743 | -1,821 |
| Glorieta | 5,100 | -2,178 |
| Holt | 5,110 | -2,188 |
| San AndresSAN ANDRES - HIGH FLOWS, H2S, CO | 5,118 | -2,196 |
| Tubb | 6,120 | -3,198 |
| Clear ForkCLEARFORK | 7,416 | -4,494 |
| SpraberrySPRABERRY, UPPER | 8,246 | -5,324 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,598 | 18,424 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,620 | 17.5 | 1,165 S |
| 9.625 | 8,405 | 12.25 | 680 S |
| 5.5 | 18,582 | 8.5 | 2,000 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 | Aug 13, 2020 | Jun 25, 2020 | — |
| 00 | Nov 3, 2015 | Apr 28, 2015 | 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 42-135-43045 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-135-43045 → 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.
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/13543045, documented in the API reference.