WELL · 42-283-35968 · DISTRICT 1
NMC EF #1H
LA Salle County · Ammann (Buda) field · SWR-10-Well · Horizontal
Nmc EF #1H (API 42-283-35968) is a horizontal well in La Salle County operated by Crescent Energy Operating LLC, completed June 4, 2017 and listed as swr-10-well on the RRC schedule.
The RRC has issued 2 drilling permits between 2017 and 2018, permitted to 12,700 ft.
It was permitted by Silverbow Resources Oper, LLC and has since transferred to Crescent Energy Operating LLC on the wellbore schedule.
Completion filings report 15 formation tops, including Queen City, Carrizo, Wilcox, Casing Point Shale.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Silverbow Resources Oper, LLC; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed May 4, 2026 · 54 permits on file · (713) 953-8604
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Crescent Energy Operating LLC |
| Production reports | Silverbow Resources Oper, LLCthrough Apr 2026 |
| Latest permit | Silverbow Resources Oper, LLCMar 27, 2018 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 12,700
- total depth, ft
- 2
- permits on file
- Mar 27, 2018
- last permit issued
- Jun 4, 2017
- completed
- 0
- cumulative oil, bbl
- 5.97M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · May 2017 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jun 4, 2017
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
Surface location
28.200609, -98.903388
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 2 leases 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 |
|---|---|---|---|---|---|---|
| NMC EF G-1-282221 | Hawkville (Eagleford Shale) | Crescent Energy Operating, LLC | 1 | 0 | 5.97M | May 2017 – Jul 2026 |
| NMC EF G-1-283983 | Ammann (Buda) | Crescent Energy Operating, LLC | 1 | 0 | 0 | Jun 2017 – Jul 2026 |
Gas, mcf lease total
Last 12 months 118,241 · prior 12 165,160(-28%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Swift Energy Operating, LLCJun 2017 → Jun 2017
- 2Silverbow Resources Oper, LLCJul 2017 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 837677-99 | Recompletion | Silverbow Resources Oper, LLC | Mar 19, 2018 | Mar 27, 2018 | May 10, 2017 | 12,700 |
| 823806-99 | Drill | Swift Energy Operating, LLC | Feb 27, 2017 | Mar 8, 2017 | May 10, 2017 | 12,700 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-1-282221 | — | — | — | — |
| — | — G-1-283983 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 369 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Queen City | 2,390 | -2,021 |
| CarrizoCARRIZO SAND | 3,772 | -3,403 |
| WilcoxWILCOX - DISPOSAL | 5,220 | -4,851 |
| Casing Point Shale | 5,297 | -4,928 |
| MidwayMIDWAY SHALE | 6,574 | -6,205 |
| Escondido | 7,600 | -7,231 |
| OlmosOLMOS - DISPOSAL | 9,224 | -8,855 |
| OlmosOLMOS - DISPOSAL | 9,244 | -8,875 |
| Anacacho | 11,236 | -10,867 |
| Austin Chalk | 11,406 | -11,037 |
| Eagle FordEAGLE FORD - H2S | 12,044 | -11,675 |
| BudaBUDA - H2S | 12,943 | -12,574 |
| EdwardsEDWARDS - H2S | — | — |
| PearsallPEARSALL - H2S | — | — |
| Sparta | — | — |
| Yegua | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 12,943 | 20,391 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 17.5 | 5,310 | 13.75 | 3,045 S |
| 13.75 | 5,310 | 17.5 | 3,045 S |
| 12.25 | 11,059 | 9.625 | 1,585 S |
| 9.625 | 11,059 | 12.25 | 1,585 S |
| 8.5 | 20,583 | 5.5 | 2,115 S |
| 5.5 | 20,583 | 8.5 | 2,115 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 | Jun 19, 2018 | Apr 3, 2018 | — |
| 00 | May 24, 2018 | Mar 28, 2018 | — |
| 00 | Apr 2, 2018 | Oct 6, 2017 | — |
| 00 | Mar 29, 2018 | Oct 17, 2017 | — |
| 00 | Jun 22, 2017 | May 24, 2017 | 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 42-283-35968 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-283-35968 → 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.
NMC EF42-283-36210
1.4 KM · Silverbow Resources Oper, LLC · Section with this well →
| Wilcox | 5,316 | -4,927 |
| Escondido | 7,686 | -7,297 |
| Olmos | 9,340 | -8,951 |
| Austin Chalk | 11,590 | -11,201 |
| Eagle Ford | 12,281 | -11,892 |
| Queen City | — | |
| Yegua | — | |
| Sparta | — |
10 TOPS · FIRST 8
NMC EF42-283-36211
1.4 KM · Silverbow Resources Oper, LLC · Section with this well →
| Carrizo | 3,861 | -3,472 |
| Wilcox | 5,325 | -4,936 |
| Midway | 6,630 | -6,241 |
| Escondido | 7,719 | -7,330 |
| Olmos | 9,367 | -8,978 |
| Anacacho | 11,374 | -10,985 |
| Austin Chalk | 11,654 | -11,265 |
| Queen City | — |
10 TOPS · FIRST 8
STS 'A'42-283-37070
2.2 KM · Sandpoint Operating, LLC · Section with this well →
| Yegua | 937 | -527 |
| Sparta | 1,779 | -1,369 |
| Queen City | 1,976 | -1,566 |
| Wilcox | 3,723 | -3,313 |
| Escondido | 6,991 | -6,581 |
| Olmos | 8,952 | -8,542 |
| Buda | — | |
| Edwards | — |
10 TOPS · FIRST 8
STS 'A'42-283-37163
2.3 KM · Sandpoint Operating, LLC · Section with this well →
| Yegua | 948 | -554 |
| Sparta | 1,783 | -1,389 |
| Queen City | 1,979 | -1,585 |
| Wilcox | 5,001 | -4,607 |
| Escondido | 7,036 | -6,642 |
| Olmos | 8,897 | -8,503 |
| Eagle Ford | — | |
| Buda | — |
10 TOPS · FIRST 8
NMC EF42-283-36131
2.6 KM · Silverbow Resources Oper, LLC · Section with this well →
| Wilcox | 5,400 | -5,015 |
| Midway | 6,728 | -6,343 |
| Midway | 6,728 | -6,343 |
| Escondido | 7,778 | -7,393 |
| Olmos | 9,404 | -9,019 |
| Anacacho | 11,585 | -11,200 |
| Austin Chalk | 11,710 | -11,325 |
| Eagle Ford | 12,386 | -12,001 |
11 TOPS · FIRST 8
NMC EF42-283-36351
2.7 KM · Silverbow Resources Oper, LLC · Section with this well →
| Queen City | 1,619 | -1,254 |
| Wilcox | 5,110 | -4,745 |
| Escondido | 7,421 | -7,056 |
| Olmos | 9,096 | -8,731 |
| Austin Chalk | 11,247 | -10,882 |
| Eagle Ford | 12,048 | -11,683 |
| Buda | — | |
| Yegua | — |
10 TOPS · FIRST 8
NMC EF42-283-36352
2.7 KM · Silverbow Resources Oper, LLC · Section with this well →
| Queen City | 1,701 | -1,336 |
| Wilcox | 5,089 | -4,724 |
| Escondido | 7,381 | -7,016 |
| Olmos | 9,121 | -8,756 |
| Austin Chalk | 11,422 | -11,057 |
| Eagle Ford | 12,078 | -11,713 |
| Edwards | — | |
| Sparta | — |
10 TOPS · FIRST 8
STS-A42-283-36811
4.2 KM · Lewis Petro Properties, Inc. · Section with this well →
| Wilcox | 6,594 | -6,060 |
| Escondido | 7,882 | -7,348 |
| Olmos | 9,038 | -8,504 |
| Austin Chalk | 12,417 | -11,883 |
| Eagle Ford | 12,449 | -11,915 |
| Sparta | — | |
| Buda | — | |
| Edwards | — |
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/28335968, documented in the API reference.