WELL · 42-135-43270 · DISTRICT 8
Sallie W. Ratliff #16
Ector County · Spraberry (Trend Area) field · Producing · Vertical
Sallie W. Ratliff #16 (API 42-135-43270) is a well in Ector County operated by Slant Operating LLC, completed July 19, 2015 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended twice), issued October 21, 2014, permitted to 11,800 ft.
It was permitted by Eureka Prospecting Company and has since transferred to Slant Operating LLC on the wellbore schedule.
Completion filings report 10 formation tops, including Clear Fork, Spraberry, Dean, Grayburg.
Its lease has reported 97.4K barrels of oil and 417K mcf of gas since June 2015, last reporting in July 2026. The lease carries 2 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Eureka Prospecting Company; the EWA schedule now lists a different operator.
Lafayette, LA · P-5 Y, filed Oct 4, 2025 · 194 permits on file · (337) 534-0135
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Slant Operating LLC |
| Production reports | Slant Operating, LLCthrough Apr 2026 |
| Latest permit | Eureka Prospecting CompanyOct 21, 2014 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 11,800
- total depth, ft
- 3
- permits on file
- Oct 21, 2014
- last permit issued
- Jul 19, 2015
- completed
- 97.4K
- cumulative oil, bbl
- 417K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jun 2015 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jul 19, 2015
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
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 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Sallie W. Ratliff O-10-47051 | Spraberry (Trend Area) | Slant Operating, LLC | 2 | 97.4K | 417K | Jun 2015 – Jul 2026 |
Oil, barrels lease total
Last 12 months 2,101 · prior 12 2,412(-13%)
Gas, mcf lease total
Last 12 months 3,763 · prior 12 6,046(-38%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Eureka Prospecting CompanyJun 2015 → Jun 2023
- 2Slant Operating, LLCJul 2023 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 798655-97 | Drill | Eureka Prospecting Company | Apr 1, 2015 | Oct 21, 2014 | May 10, 2015 | 11,800 |
| 798655-98 | Drill | Eureka Prospecting Company | Dec 8, 2014 | Oct 21, 2014 | — | 11,800 |
| 798655-99 | Drill | Eureka Prospecting Company | Oct 20, 2014 | Oct 21, 2014 | May 10, 2015 | 11,800 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-47051 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 3,008 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Clear ForkCLEARFORK | 6,465 | -3,457 |
| Spraberry | 6,900 | -3,892 |
| Dean | 7,893 | -4,885 |
| Grayburg | — | — |
| Holt | — | — |
| Queen | — | — |
| San AndresSAN ANDRES - HIGH FLOWS, H2S, CO | — | — |
| Santa RosaSANTA ROSA BASE | — | — |
| Seven Rivers | — | — |
| Yates | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,712 | 9,922 | Perforated |
| 10,006 | 10,184 | Perforated |
| 10,242 | 10,396 | Perforated |
| 10,508 | 10,664 | Perforated |
| 10,750 | 10,908 | Perforated |
| 11,215 | 11,340 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,625 | 17.5 | 1,040 S |
| 9.625 | 5,558 | 12.25 | 1,200 S |
| 5.5 | 11,368 | 8.75 | 1,350 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 13, 2016 | Sep 16, 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 42-135-43270 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-135-43270 → 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/13543270, documented in the API reference.