WELL · 42-135-42666 · DISTRICT 8
Ratliff C #1815
Ector County · Vertical
Ratliff C #1815 (API 42-135-42666) is a permitted well in Ector County filed by Reliance Energy, Inc.; no completion report is on file yet.
The RRC has issued 2 drilling permits between 2011 and 2013, permitted to 13,000 ft.
Completion filings report 10 formation tops, including Santa Rosa, Yates, Seven Rivers, Queen.
Its lease has reported 782K barrels of oil and 2.17M mcf of gas since March 2010, last reporting in July 2026. The lease carries 9 wells, so these are lease totals, not this well alone.
Operator of record
- Based in
- Austin, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- May 13, 2026
- Permits on file
- 639
- Phone
- (432) 683-4816
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | COG Operating LLCthrough Apr 2026 |
| Latest permit | Reliance Energy, Inc.Jul 11, 2013 |
- 13,000
- total depth, ft
- 2
- permits on file
- Jul 11, 2013
- last permit issued
- —
- completed
- 782K
- cumulative oil, bbl
- 2.17M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Mar 2010 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- Shut in
- —
- Plugged
- —
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; they carry 9 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Ratliff C O-10-40137 | Spraberry (Trend Area) | COG Operating LLC | 9 | 782K | 2.17M | Mar 2010 – Jul 2026 |
Oil, barrels lease total
Last 12 months 8,855 · prior 12 10,144(-13%)
Gas, mcf lease total
Last 12 months 51,557 · prior 12 38,444(+34%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Reliance Energy, Inc.Mar 2010 → Sep 2016
- 2COG Operating LLCOct 2016 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 766145-99 | Drill | Reliance Energy, Inc. | Jul 9, 2013 | Jul 11, 2013 | Feb 16, 2014 | 13,000 |
| 716294-99 | Drill | Reliance Energy, Inc. | May 12, 2011 | May 17, 2011 | — | 13,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-40137 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,944 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Santa RosaSANTA ROSA BASE | 1,267 | 1,677 |
| Yates | 3,074 | -130 |
| Seven Rivers | 3,433 | -489 |
| Queen | 4,249 | -1,305 |
| Grayburg | 5,031 | -2,087 |
| San AndresSAN ANDRES - HIGH FLOWS, H2S, CO | 5,318 | -2,374 |
| Clear ForkCLEARFORK | 7,260 | -4,316 |
| Glorieta | — | — |
| Holt | — | — |
| Tubb | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,904 | 11,220 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 319 | 17.5 | 370 S |
| 8.625 | 4,925 | 11 | 800 S |
| 5.5 | 11,425 | 7.875 | 1,175 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 | Apr 8, 2015 | Mar 10, 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 42-135-42666 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-135-42666 → 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/13542666, documented in the API reference.