WELL · 42-283-37637 · DISTRICT 1
Y-Bar #110H
LA Salle County · Eagleville (Eagle Ford-1) field · Shut IN · Horizontal
Y-Bar #110H (API 42-283-37637) is a horizontal well in La Salle County operated by Castlerock EF Operating LLC, completed April 16, 2024 and listed as shut in on the RRC schedule.
The RRC has issued one drilling permit, issued March 20, 2024, permitted to 10,000 ft.
Completion filings report 9 formation tops, including Anacacho, Austin Chalk, Eagle Ford, Escondido.
Its lease has reported 3.77M barrels of oil and 5.35M mcf of gas since July 2011, last reporting in July 2026. The lease carries 32 wells, so these are lease totals, not this well alone.
Operator of record
San Antonio, TX · P-5 Y, filed Nov 4, 2025 · 34 permits on file · (210) 688-4585
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Castlerock EF Operating LLC |
| Production reports | Castlerock EF Operating LLCthrough Apr 2026 |
| Latest permit | Castlerock EF Operating LLCMar 20, 2024 |
- 10,000
- total depth, ft
- 1
- permits on file
- Mar 20, 2024
- last permit issued
- Apr 16, 2024
- completed
- 3.77M
- cumulative oil, bbl
- 5.35M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jul 2011 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Apr 16, 2024
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: X
Surface location
28.514987, -98.808014
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; they carry 32 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Y-Bar O-1-15530 | Eagleville (Eagle Ford-1) | Castlerock EF Operating LLC | 32 | 3.77M | 5.35M | Jul 2011 – Jul 2026 |
Oil, barrels lease total
Last 12 months 118,791 · prior 12 192,852(-38%)
Gas, mcf lease total
Last 12 months 183,809 · prior 12 159,315(+15%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Murphy Expl. & Prod. Co. - USAJul 2011 → Jul 2022
- 2Castlerock EF Operating LLCAug 2022 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 898258-99 | Drill | Castlerock EF Operating LLC | Mar 19, 2024 | Mar 20, 2024 | — | 10,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-15530 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 365 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Anacacho | 8,878 | -8,513 |
| AnacachoANACACHO B | 9,344 | -8,979 |
| Austin Chalk | 9,448 | -9,083 |
| Eagle FordEAGLE FORD - H2S | 9,508 | -9,143 |
| Escondido | — | — |
| OlmosOLMOS - DISPOSAL | — | — |
| Queen City | — | — |
| Sparta | — | — |
| WilcoxWILCOX - DISPOSAL | — | — |
| Yegua | — | — |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 3,960 | 12.25 | 970 S |
| 5.5 | 22,880 | 8.75 | 3,585 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 | Dec 16, 2024 | Dec 5, 2024 | 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 42-283-37637 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-283-37637 → 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.
Y-Bar42-283-37638
0.0 KM · Castlerock EF Operating LLC · Section with this well →
| Austin Chalk | 9,460 | -9,095 |
| Eagle Ford | 9,516 | -9,151 |
| Sparta | — | |
| Wilcox | — | |
| Yegua | — | |
| Olmos | — | |
| Queen City | — | |
| Buda | — |
10 TOPS · FIRST 8
Y-Bar42-283-37639
0.0 KM · Castlerock EF Operating LLC · Section with this well →
| Anacacho | 8,905 | -8,540 |
| Anacacho | 9,380 | -9,015 |
| Austin Chalk | 9,482 | -9,117 |
| Eagle Ford | 9,543 | -9,178 |
| Yegua | — | |
| Sparta | — | |
| Queen City | — | |
| Olmos | — |
10 TOPS · FIRST 8
Y-Bar42-283-37640
0.0 KM · Castlerock EF Operating LLC · Section with this well →
| Anacacho | 8,924 | -8,559 |
| Anacacho | 9,390 | -9,025 |
| Austin Chalk | 9,497 | -9,132 |
| Eagle Ford | 9,563 | -9,198 |
| Eagle Ford | 9,563 | -9,198 |
| Olmos | — | |
| Yegua | — | |
| Wilcox | — |
13 TOPS · FIRST 8
Keystone A42-283-37538
0.4 KM · EOG Resources, Inc. · Section with this well →
| Yegua | 773 | -412 |
| Sparta | 1,352 | -991 |
| Queen City | 1,540 | -1,179 |
| Wilcox | 2,946 | -2,585 |
| Olmos | 7,277 | -6,916 |
| Austin Chalk | 9,501 | -9,140 |
| Eagle Ford | 9,565 | -9,204 |
| Escondido | — |
10 TOPS · FIRST 8
Keystone B42-283-37539
0.4 KM · EOG Resources, Inc. · Section with this well →
| Yegua | 784 | -423 |
| Sparta | 1,363 | -1,002 |
| Olmos | 7,288 | -6,927 |
| Anacacho | 8,945 | -8,584 |
| Austin Chalk | 9,519 | -9,158 |
| Eagle Ford | 9,587 | -9,226 |
| Buda | — | |
| Pearsall | — |
10 TOPS · FIRST 8
Keystone C42-283-37540
0.4 KM · EOG Resources, Inc. · Section with this well →
| Yegua | 852 | -491 |
| Sparta | 1,431 | -1,070 |
| Queen City | 1,619 | -1,258 |
| Wilcox | 3,025 | -2,664 |
| Carrizo | 3,026 | -2,665 |
| Olmos | 7,352 | -6,991 |
| Escondido | — | |
| Buda | — |
10 TOPS · FIRST 8
Keystone D42-283-37541
0.4 KM · EOG Resources, Inc. · Section with this well →
| Yegua | 868 | -507 |
| Sparta | 1,447 | -1,086 |
| Queen City | 1,635 | -1,274 |
| Wilcox | 3,041 | -2,680 |
| Olmos | 7,370 | -7,009 |
| Austin Chalk | 9,581 | -9,220 |
| Eagle Ford | 9,645 | -9,284 |
| Escondido | — |
10 TOPS · FIRST 8
Breckenridge D42-283-37528
0.6 KM · EOG Resources, Inc. · Section with this well →
| Yegua | 478 | -112 |
| Sparta | 1,259 | -893 |
| Queen City | 1,442 | -1,076 |
| Wilcox | 2,924 | -2,558 |
| Olmos | 7,309 | -6,943 |
| Austin Chalk | 9,450 | -9,084 |
| Eagle Ford | 9,536 | -9,170 |
| Escondido | — |
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/28337637, documented in the API reference.