WELL · 42-477-31049 · DISTRICT 3
Cassidy Unit #1H
Washington County · Giddings (Austin Chalk Gas) field · Producing · Horizontal
Cassidy Unit #1H (API 42-477-31049) is a horizontal well in Washington County operated by Blackbrush O & G LLC, completed March 28, 2018 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued October 6, 2017, permitted to 14,750 ft.
Completion filings report 3 formation tops, including Wilcox, Austin Chalk, Caprock.
No lease production has been reported under this well’s leases.
Operator of record
San Antonio, TX · P-5 Y, filed Aug 4, 2025 · 339 permits on file · (210) 569-6756
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Blackbrush O & G LLC |
| Production reports | Blackbrush O & G, LLCthrough Apr 2026 |
| Latest permit | Blackbrush O & G, LLCOct 6, 2017 |
- 14,750
- total depth, ft
- 1
- permits on file
- Oct 6, 2017
- last permit issued
- Mar 28, 2018
- completed
- 0
- cumulative oil, bbl
- 1.99M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Mar 2018 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Mar 28, 2018
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
Surface location
30.150680, -96.492558
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Washington 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 |
|---|---|---|---|---|---|---|
| Cassidy Unit G-3-284708 | Giddings (Austin Chalk, Gas) | Blackbrush O & G, LLC | 1 | 0 | 1.99M | Mar 2018 – Jul 2026 |
Gas, mcf lease total
Last 12 months 29,445 · prior 12 32,538(-10%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Blackbrush O & G, LLCMar 2018 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 831416-99 | Drill | Blackbrush O & G, LLC | Sep 27, 2017 | Oct 6, 2017 | Dec 23, 2017 | 14,750 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-3-284708 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 290 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| WilcoxWILCOX - DISPOSAL | 5,300 | -5,010 |
| Austin Chalk | 14,105 | -13,815 |
| CaprockCAPROCK - DISPOSAL | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 14,181 | 16,627 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 2,680 | 17.5 | 1,780 S |
| 5.5 | 10,786 | 6.125 | 315 S |
| 9.625 | 11,180 | 12.25 | 700 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 | Sep 27, 2018 | Jun 27, 2018 | 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 42-477-31049 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-477-31049 → 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.
Lehrmann42-477-31047
5.1 KM · Geosouthern Operating II, LLC · Section with this well →
| Wilcox | 4,686 | -4,356 |
| Pecan Gap | 12,222 | -11,892 |
| Austin Chalk | 12,995 | -12,665 |
| Caprock | — | |
| Wilcox | — |
Longhorns Unit42-477-31123
6.0 KM · Geosouthern Operating II, LLC · Section with this well →
| Wilcox | 4,954 | -4,552 |
| Austin Chalk | 14,000 | -13,598 |
| Caprock | — |
Razorbacks Unit42-477-31124
6.0 KM · Geosouthern Operating II, LLC · Section with this well →
| Wilcox | 4,947 | -4,545 |
| Pecan Gap | 12,657 | -12,255 |
| Austin Chalk | 13,950 | -13,548 |
| Austin Chalk | 13,950 | -13,548 |
| Caprock | — |
Prenzler42-477-31058
6.5 KM · Geosouthern Operating II, LLC · Section with this well →
| Caprock | 4,121 | -3,806 |
| Wilcox | 4,571 | -4,256 |
| Austin Chalk | 13,601 | -13,286 |
Malkey42-477-31060
6.5 KM · Geosouthern Operating II, LLC · Section with this well →
| Caprock | 3,252 | -2,937 |
| Wilcox | 4,622 | -4,307 |
| Austin Chalk | 13,202 | -12,887 |
Korthauer42-477-31061
6.5 KM · Geosouthern Operating II, LLC · Section with this well →
| Caprock | 3,394 | -3,079 |
| Wilcox | 4,650 | -4,335 |
| Austin Chalk | 12,730 | -12,415 |
Double E42-477-31116
6.8 KM · Wildhorse Resources Mngt Co, LLC · Section with this well →
| Caprock | 2,410 | -1,989 |
| Wilcox | 4,618 | -4,197 |
| Pecan Gap | 11,977 | -11,556 |
| Austin Chalk | 13,185 | -12,764 |
Schultz42-477-31177
7.0 KM · Geosouthern Operating II, LLC · Section with this well →
| Wilcox | 4,734 | -4,323 |
| Austin Chalk | 13,279 | -12,868 |
| Austin Chalk | 13,279 | -12,868 |
| Caprock | — |
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/47731049, documented in the API reference.