WELL · 42-447-36689 · DISTRICT 7
Clark Ranch #1821
Throckmorton County · Vertical
Clark Ranch #1821 (API 42-447-36689) is a disposal or injection well in Throckmorton County operated by Brazos River Exploration LLC under an active UIC permit.
The RRC has issued 2 drilling permits between 2016 and 2017, permitted to 5,400 ft.
Completion filings report 10 formation tops, including Cisco, Coleman Junction, Frye - Disposal, Swastika - Disposal.
Its lease has reported 867K barrels of oil and 4.66M mcf of gas since June 2013, last reporting in July 2026. The lease carries 14 wells, so these are lease totals, not this well alone.
It holds an active disposal or injection permit, with 5.62K barrels injected in the 12 months reported through August 2025; TexNet located 0 M2+ earthquakes within 10 km over the last two years.
Operator of record
Houston, TX · P-5 Y, filed Sep 6, 2024 · 26 permits on file · (800) 969-6146
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | North Texas Oil & Gas, LLCthrough Apr 2026 |
| Latest permit | Brazos River Exploration LLCNov 3, 2017 |
- 5,400
- total depth, ft
- 2
- permits on file
- Nov 3, 2017
- last permit issued
- —
- completed
- 867K
- cumulative oil, bbl
- 4.66M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jun 2013 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- Shut in
- —
- Plugged
- —
Surface location
33.290681, -99.296972
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Throckmorton 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 14 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Clark Ranch O-8-31252 | Swenson (Caddo) | North Texas Oil & Gas, LLC | 14 | 867K | 4.66M | Jun 2013 – Jul 2026 |
Gas, mcf lease total
Last 12 months 15,599 · prior 12 102,893(-85%)
Oil, barrels lease total
Last 12 months 2,338 · prior 12 3,855(-39%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Raptor Petroleum Operating, LLCJun 2013 → Feb 2015
- 2Raptor Petroleum II, LLCMar 2015 → Dec 2015
- 3Brazos River Exploration LLCJan 2016 → Jul 2024
- 4North Texas Oil & Gas, LLCAug 2024 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 832175-99 | Recompletion | Brazos River Exploration LLC | Oct 19, 2017 | Nov 3, 2017 | — | 4,999 |
| 816585-99 | Drill | Brazos River Exploration LLC | Jun 27, 2016 | Jun 29, 2016 | Jul 20, 2016 | 5,400 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-8-31252 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 1,514 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| CiscoCISCO - DISPOSAL | 400 | 1,114 |
| Coleman Junction | 600 | 914 |
| Frye - Disposal | 700 | 814 |
| Swastika - Disposal | 700 | 814 |
| WolfcampWOLFCAMP - DISPOSAL | 1,040 | 474 |
| Flippen - Disposal | 1,250 | 264 |
| San AndresSAN ANDRES - DISPOSAL | 1,250 | 264 |
| Cook - Disposal | 1,320 | 194 |
| Sunsight - Disposal | 1,870 | -356 |
| Permian (undifferentiated)PERMIAN - DISPOSAL | 1,930 | -416 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,846 | 4,994 | Perforated |
| 4,846 | 4,996 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 270 | 12.25 | 215 S |
| 5.5 | 5,221 | 7.875 | 785 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 18, 2020 | Aug 4, 2020 | — |
| 00 | Feb 3, 2017 | Jan 20, 2017 | Yes |
| 00 | Jan 12, 2017 | Jan 4, 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 42-447-36689 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-447-36689 → 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.
Clark Ranch42-447-36756
4.8 KM · Brazos River Exploration LLC · Section with this well →
| Sunsight - Disposal | 163 | |
| Coleman Junction | 600 | |
| Frye - Disposal | 710 | |
| Wolfcamp | 1,040 | |
| San Andres | 1,250 | |
| Flippen - Disposal | 1,260 | |
| Cisco | 1,349 | |
| Cook - Disposal | 1,424 |
10 TOPS · FIRST 8
Clark Ranch42-447-36774
5.5 KM · Brazos River Exploration LLC · Section with this well →
| Coleman Junction | 600 | |
| Frye - Disposal | 710 | |
| Wolfcamp | 1,040 | |
| San Andres | 1,250 | |
| Jennings - Disposal | 3,371 | |
| Manning Sand - Disposal | 4,138 | |
| Caddo | 4,425 | |
| Ellenburger | — |
10 TOPS · FIRST 8
Clark Ranch 171 Unit A42-447-36804
7.2 KM · Brazos River Exploration LLC · Section with this well →
| Coleman Junction | 647 | 831 |
| Cisco | 1,349 | 129 |
| Swastika - Disposal | 1,443 | 35 |
| San Andres | — | |
| Wolfcamp | — | |
| Frye - Disposal | — | |
| Flippen - Disposal | — | |
| Cook - Disposal | — |
10 TOPS · FIRST 8
Clark Ranch42-447-36795
7.2 KM · Brazos River Exploration LLC · Section with this well →
| Cook - Disposal | — | |
| Wolfcamp | — | |
| Swastika - Disposal | — | |
| Sunsight - Disposal | — | |
| San Andres | — | |
| Permian (undifferentiated) | — | |
| Frye - Disposal | — | |
| Cisco | — |
10 TOPS · FIRST 8
Clark Ranch42-447-36824
9.4 KM · Brazos River Exploration LLC · Section with this well →
| Swastika - Disposal | — | |
| Permian (undifferentiated) | — | |
| San Andres | — | |
| Sunsight - Disposal | — | |
| Wolfcamp | — | |
| Cisco | — | |
| Coleman Junction | — | |
| Cook - Disposal | — |
10 TOPS · FIRST 8
Clark Ranch42-447-36788
10.8 KM · Brazos River Exploration LLC · Section with this well →
| Canyon | 974 | |
| Bunger - Disposal | 1,068 | |
| Home Creek - Disposal | 1,150 | |
| Cisco | 1,349 | |
| Sunsight - Disposal | 1,630 | |
| Adams Branch - Disposal | 2,386 | |
| Palo Pinto | 2,620 | |
| Moran Sand - Disposal | 2,764 |
10 TOPS · FIRST 8
Tcsl42-447-36753
11.6 KM · Bridwell Oil Co. · Section with this well →
| Strawn | 4,006 | -2,624 |
| Cisco | — | |
| Wolfcamp | — | |
| Swastika - Disposal | — | |
| Sunsight - Disposal | — | |
| San Andres | — | |
| Permian (undifferentiated) | — | |
| Frye - Disposal | — |
11 TOPS · FIRST 8
Tcsl42-447-36770
11.8 KM · Bridwell Oil Co. · Section with this well →
| Wolfcamp | — | |
| Swastika - Disposal | — | |
| Sunsight - Disposal | — | |
| San Andres | — | |
| Permian (undifferentiated) | — | |
| Frye - Disposal | — | |
| Flippen - Disposal | — | |
| Cook - Disposal | — |
10 TOPS · FIRST 8
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Injection
- 5.62K
- bbl, last 12 reported months
- 1.61M
- bbl, all reported
- Aug 2025
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000123160 | H-1 Injection | Active | 4,000 | 1,300 | 4,846–4,994 |
MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS
Last 12 months 5,620 · prior 12 271,154(-98%)
TexNet catalog via USGS
Seismicity near this well
- 0
- M2+ events within 10 km, last 2 years
- —
- largest
A proximity count, not an attribution. How to read it →
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/44736689, documented in the API reference.