TEXAS · WELLS · LA SALLE COUNTY · NORTHCUT B LEASE · API 42-283-33561 · DISTRICT 01
Northcut B #4H
La Salle County · Eagleville (Eagle Ford-1) field · Producing · Horizontal
Northcut B #4H (API 42-283-33561) is a horizontal well in La Salle County operated by Javelin Energy Partners Mgmt LLC, completed April 19, 2014 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued October 9, 2012, permitted to 8,987 ft.
It was permitted by Matador Production Company and has since transferred to Javelin Energy Partners Mgmt LLC on the wellbore schedule.
Completion filings report 10 formation tops, including Sparta, Queen City, Wilcox, Escondido.
Its lease has reported 1.06M barrels of oil and 1.88M mcf of gas since September 2012, last reporting in July 2026. The lease carries 7 wells, so these are lease totals, not this well alone.
Operator of record
Javelin Energy Partners Mgmt LLC
Permitted by Matador Production Company; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active (A)
- P-5 last filed
- Feb 24, 2026
- Permits on file
- 233
- Phone
- (469) 575-3800
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 | Matador Production CompanyOct 9, 2012 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,987
- total depth, ft
- 2
- permits on file
- Oct 9, 2012
- last permit issued
- Apr 19, 2014
- completed
- 1.06M
- cumulative oil, bbl
- 1.88M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Sep 2012 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Apr 19, 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; they carry 7 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Northcut B O-1-16364 | Eagleville (Eagle Ford-1) | Javelin Energy Partners Mgmt LLC | 7 | 1.06M | 1.88M | Sep 2012 – Jul 2026 |
Oil, barrels lease total
Last 12 months 13,079 · prior 12 17,939(-27%)
Gas, mcf lease total
Last 12 months 16,586 · prior 12 32,079(-48%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Matador Production CompanySep 2012 → Jul 2024
- 2Ridgemar Energy Operating, LLCAug 2024 → Jan 2025
- 3Javelin Energy Partners Mgmt LLCFeb 2025 → Mar 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 748955-98 | Drill | Matador Production Company | Dec 6, 2013 | Oct 9, 2012 | Feb 4, 2014 | 10,028 |
| 748955-99 | Drill | Matador Production Company | Sep 27, 2012 | Oct 9, 2012 | Feb 4, 2014 | 10,028 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Apr 19, 2014 | Northcut B O-1-16364 | Eagleville (Eagle Ford-1) | Javelin Energy Partners Mgmt LLC | Producing | 8,987 |
Formation tops
As filed on W-2/G-1. Subsea from 505 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Sparta | 1,040 | -535 |
| Queen City | 1,340 | -835 |
| WilcoxWILCOX - DISPOSAL | 3,320 | -2,815 |
| Escondido | 4,560 | -4,055 |
| OlmosOLMOS - DISPOSAL | 6,470 | -5,965 |
| Austin Chalk | 8,608 | -8,103 |
| Eagle FordEAGLE FORD - H2S | 8,862 | -8,357 |
| BudaBUDA - H2S | — | — |
| EdwardsEDWARDS - H2S | — | — |
| Yegua | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,149 | 13,804 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 3,158 | 12.25 | 1,015 S |
| 5.5 | 13,912 | 8.75 | 2,237 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 20, 2015 | Oct 15, 2014 | 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 42-283-33561 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-283-33561 → 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.
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/28333561, documented in the API reference.