WELL · 42-255-37939 · DISTRICT 2
Ecleto Partnership Unit A #9
Karnes County · Horizontal
Ecleto Partnership Unit A #9 (API 42-255-37939) is a permitted horizontal well in Karnes County filed by Burlington Resources O & G CO LP; no completion report is on file yet.
The RRC has issued one drilling permit (amended once), issued January 5, 2024, permitted to 17,500 ft.
Completion filings report 10 formation tops, including Carrizo, Frio, Yegua, Queen City.
Operator of record
Burlington Resources O & G Co LP
Houston, TX · P-5 Y, filed Aug 4, 2025 · 5,130 permits on file · (800) 332-9449
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | none |
| Latest permit | Burlington Resources O & G Co LPJan 5, 2024 |
- 17,500
- total depth, ft
- 2
- permits on file
- Jan 5, 2024
- last permit issued
- —
- completed
- —
- cumulative oil, bbl
- —
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- Shut in
- —
- Plugged
- —
Surface location
29.008100, -97.763917
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Karnes County.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 896275-98 | Drill | Burlington Resources O & G Co LP | May 29, 2026 | Jan 5, 2024 | Jan 8, 2025 | 17,500 |
| 896275-99 | Drill | Burlington Resources O & G Co LP | Jan 3, 2024 | Jan 5, 2024 | Jan 8, 2025 | 17,500 |
Formation tops
As filed on W-2/G-1. Subsea from 366 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Carrizo | 475 | -109 |
| FrioFRIO - DISPOSAL | 495 | -129 |
| YeguaYEGUA - DISPOSAL | 1,867 | -1,501 |
| Queen City | 3,777 | -3,411 |
| Reklaw | 4,530 | -4,164 |
| WilcoxWILCOX - DISPOSAL | 5,011 | -4,645 |
| Austin ChalkAUSTIN CHALK - H2S | 11,629 | -11,263 |
| Eagle FordEAGLE FORD - H2S | 11,887 | -11,521 |
| EdwardsEDWARDS - H2S | — | — |
| SligoSLIGO - H2S | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 12,157 | 18,266 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 4,090 | 12.25 | 1,485 S |
| 5.5 | 18,117 | 8.75 | 2,010 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 | Jul 21, 2026 | Apr 9, 2026 | 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 42-255-37939 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-255-37939 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward). 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.
Ecleto Partnership Unit A42-255-37940
0.0 KM · Burlington Resources O & G Co LP · Section with this well →
| Frio | 496 | -129 |
| Yegua | 1,867 | -1,500 |
| Queen City | 3,779 | -3,412 |
| Reklaw | 4,533 | -4,166 |
| Carrizo | 4,760 | -4,393 |
| Wilcox | 5,018 | -4,651 |
| Austin Chalk | 11,624 | -11,257 |
| Eagle Ford | 11,889 | -11,522 |
10 TOPS · FIRST 8
Ecleto Partnership Unit A42-255-37938
0.0 KM · Burlington Resources O & G Co LP · Section with this well →
| Frio | 495 | -129 |
| Yegua | 1,869 | -1,503 |
| Queen City | 3,781 | -3,415 |
| Reklaw | 4,534 | -4,168 |
| Carrizo | 4,759 | -4,393 |
| Wilcox | 5,003 | -4,637 |
| Austin Chalk | 11,617 | -11,251 |
| Eagle Ford | 11,876 | -11,510 |
10 TOPS · FIRST 8
Ecleto Partnership Unit AB Ulw42-255-37954
0.0 KM · Burlington Resources O & G Co LP · Section with this well →
| Frio | 495 | -129 |
| Yegua | 1,870 | -1,504 |
| Queen City | 3,784 | -3,418 |
| Reklaw | 4,538 | -4,172 |
| Carrizo | 4,765 | -4,399 |
| Wilcox | 5,082 | -4,716 |
| Austin Chalk | 11,632 | -11,266 |
| Eagle Ford | 11,898 | -11,532 |
10 TOPS · FIRST 8
Ecleto Partnership Unit B42-255-37945
0.0 KM · Burlington Resources O & G Co LP · Section with this well →
| Frio | 496 | -130 |
| Yegua | 1,868 | -1,502 |
| Queen City | 3,780 | -3,414 |
| Reklaw | 4,535 | -4,169 |
| Carrizo | 4,762 | -4,396 |
| Wilcox | 5,023 | -4,657 |
| Austin Chalk | 11,643 | -11,277 |
| Eagle Ford | 11,905 | -11,539 |
10 TOPS · FIRST 8
Ecleto Partnership Unit B42-255-37944
0.0 KM · Burlington Resources O & G Co LP · Section with this well →
| Frio | 496 | -130 |
| Yegua | 1,869 | -1,503 |
| Queen City | 3,785 | -3,419 |
| Reklaw | 4,538 | -4,172 |
| Carrizo | 4,765 | -4,399 |
| Wilcox | 5,141 | -4,775 |
| Austin Chalk | 11,650 | -11,284 |
| Eagle Ford | 11,923 | -11,557 |
10 TOPS · FIRST 8
Ecleto Partnership Unit B42-255-37942
0.0 KM · Burlington Resources O & G Co LP · Section with this well →
| Frio | 495 | -129 |
| Yegua | 1,869 | -1,503 |
| Queen City | 3,785 | -3,419 |
| Reklaw | 4,540 | -4,174 |
| Carrizo | 4,766 | -4,400 |
| Wilcox | 5,142 | -4,776 |
| Austin Chalk | 11,667 | -11,301 |
| Eagle Ford | 11,934 | -11,568 |
10 TOPS · FIRST 8
Ecleto Partnership Unit B42-255-37941
0.0 KM · Burlington Resources O & G Co LP · Section with this well →
| Frio | 495 | -129 |
| Yegua | 1,871 | -1,505 |
| Queen City | 3,790 | -3,424 |
| Reklaw | 4,544 | -4,178 |
| Carrizo | 4,770 | -4,404 |
| Wilcox | 5,142 | -4,776 |
| Austin Chalk | 11,675 | -11,309 |
| Eagle Ford | 11,937 | -11,571 |
10 TOPS · FIRST 8
Ecleto Partnership Unit A42-255-36777
0.1 KM · Burlington Resources O & G Co LP · Section with this well →
| Yegua | 2,122 | -1,762 |
| Queen City | 3,716 | -3,356 |
| Reklaw | 4,457 | -4,097 |
| Carrizo | 4,747 | -4,387 |
| Wilcox | 4,978 | -4,618 |
| Austin Chalk | 11,599 | -11,239 |
| Eagle Ford | 11,856 | -11,496 |
| Sligo | — |
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/25537939, documented in the API reference.