WELL · 42-283-37031 · DISTRICT 1
Winfield-Schwope Alloc B #661H
LA Salle County · Eagleville (Eagle Ford-1) field · Producing · Horizontal
Winfield-Schwope Alloc B #661H (API 42-283-37031) is a horizontal well in La Salle County operated by Javelin Energy Partners Mgmt LLC, completed March 18, 2021 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued April 23, 2020, permitted to 12,000 ft.
It was permitted by Callon (Eagle Ford) LLC and has since transferred to Javelin Energy Partners Mgmt LLC on the wellbore schedule.
Completion filings report 10 formation tops, including Wilcox, Escondido, Olmos, Austin Chalk.
Its lease has reported 200K barrels of oil and 241K mcf of gas since March 2021, last reporting in July 2026.
Operator of record
Javelin Energy Partners Mgmt LLC
Permitted by Callon (Eagle Ford) LLC; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed Jan 4, 2026 · 233 permits on file · (888) 973-7780
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Javelin Energy Partners Mgmt LLC |
| Production reports | Javelin Energy Partners Mgmt LLCthrough Mar 2026 |
| Latest permit | Callon (Eagle Ford) LLCApr 23, 2020 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 12,000
- total depth, ft
- 2
- permits on file
- Apr 23, 2020
- last permit issued
- Mar 18, 2021
- completed
- 200K
- cumulative oil, bbl
- 241K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Mar 2021 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Mar 18, 2021
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: X
Surface location
28.546408, -99.246827
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in LA Salle 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; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Winfield-Schwope Alloc B O-1-20464 | Eagleville (Eagle Ford-1) | Javelin Energy Partners Mgmt LLC | 1 | 200K | 241K | Mar 2021 – Jul 2026 |
Oil, barrels lease total
Last 12 months 14,126 · prior 12 19,334(-27%)
Gas, mcf lease total
Last 12 months 20,195 · prior 12 9,758(+107%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Callon (Eagle Ford) LLCMar 2021 → Jun 2023
- 2Ridgemar Energy Operating, LLCJul 2023 → Jan 2025
- 3Javelin Energy Partners Mgmt LLCFeb 2025 → Mar 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 863398-98 | Drill | Callon (Eagle Ford) LLC | May 11, 2020 | Apr 23, 2020 | Nov 24, 2020 | 12,000 |
| 863398-99 | Drill | Callon (Eagle Ford) LLC | Apr 21, 2020 | Apr 23, 2020 | Nov 24, 2020 | 12,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-20464 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Download CSV →
| Formation | MD ft |
|---|---|
| WilcoxWILCOX - DISPOSAL | 2,586 |
| Escondido | 4,533 |
| OlmosOLMOS - DISPOSAL | 5,661 |
| Austin Chalk | 7,631 |
| Eagle FordEAGLE FORD - H2S | 8,120 |
| BudaBUDA - H2S | — |
| EdwardsEDWARDS - H2S | — |
| Queen City | — |
| Sparta | — |
| Yegua | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,377 | 18,317 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 3,046 | 12.25 | 694 S |
| 5.5 | 18,430 | 8.5 | 2,645 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 17, 2021 | Jun 23, 2021 | 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 42-283-37031 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-283-37031 → 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.
Winfield-Schwope Alloc A42-283-37030
0.0 KM · Callon (Eagle Ford) LLC · Section with this well →
| Wilcox | 2,628 | |
| Escondido | 4,544 | |
| Olmos | 5,687 | |
| Austin Chalk | 7,632 | |
| Eagle Ford | 8,116 | |
| Queen City | — | |
| Edwards | — | |
| Yegua | — |
10 TOPS · FIRST 8
Winfield-Schwope Alloc C42-283-37032
0.0 KM · Callon (Eagle Ford) LLC · Section with this well →
| Wilcox | 2,602 | |
| Escondido | 4,551 | |
| Olmos | 5,688 | |
| Austin Chalk | 7,633 | |
| Eagle Ford | 8,126 | |
| Yegua | — | |
| Buda | — | |
| Edwards | — |
10 TOPS · FIRST 8
Winfield-Schwope Alloc D42-283-37033
0.0 KM · Callon (Eagle Ford) LLC · Section with this well →
| Wilcox | 2,643 | |
| Escondido | 4,583 | |
| Olmos | 5,714 | |
| Austin Chalk | 7,637 | |
| Eagle Ford | 8,124 | |
| Edwards | — | |
| Sparta | — | |
| Queen City | — |
10 TOPS · FIRST 8
Pena-Winfield a Unit42-283-37046
0.6 KM · Callon (Eagle Ford) LLC · Section with this well →
| Wilcox | 2,620 | |
| Escondido | 4,540 | |
| Olmos | 5,696 | |
| Austin Chalk | 7,566 | |
| Eagle Ford | 8,103 | |
| Yegua | — | |
| Buda | — | |
| Edwards | — |
10 TOPS · FIRST 8
Pena-Winfield a Unit42-283-37045
0.6 KM · Callon (Eagle Ford) LLC · Section with this well →
| Wilcox | 2,624 | |
| Escondido | 4,548 | |
| Olmos | 5,707 | |
| Austin Chalk | 7,551 | |
| Eagle Ford | 8,098 | |
| Yegua | — | |
| Buda | — | |
| Sparta | — |
10 TOPS · FIRST 8
Winfield-Raemay Allocation E42-283-36010
0.6 KM · Carrizo (Eagle Ford) LLC · Section with this well →
| Wilcox | 2,830 | -2,231 |
| Escondido | 4,668 | -4,069 |
| Olmos | 5,802 | -5,203 |
| Austin Chalk | 7,312 | -6,713 |
| Eagle Ford | 8,194 | -7,595 |
| Buda | — | |
| Edwards | — | |
| Yegua | — |
10 TOPS · FIRST 8
Winfield-Raemay Allocation F42-283-36011
0.6 KM · Carrizo (Eagle Ford) LLC · Section with this well →
| Wilcox | 2,837 | -2,238 |
| Escondido | 4,681 | -4,082 |
| Olmos | 5,805 | -5,206 |
| Austin Chalk | 7,311 | -6,712 |
| Eagle Ford | 8,199 | -7,600 |
| Queen City | — | |
| Buda | — | |
| Edwards | — |
10 TOPS · FIRST 8
Winfield-Raemay Allocation G42-283-36012
0.6 KM · Carrizo (Eagle Ford) LLC · Section with this well →
| Wilcox | 2,824 | -2,225 |
| Escondido | 4,677 | -4,078 |
| Olmos | 5,823 | -5,224 |
| Austin Chalk | 7,312 | -6,713 |
| Eagle Ford | 8,199 | -7,600 |
| Edwards | — | |
| Sparta | — | |
| Queen City | — |
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/28337031, documented in the API reference.