WELL · 42-185-30641 · DISTRICT 3
Knotts Unit #1RE
Grimes County · Iola (Glen Rose -B-) field · Horizontal
Knotts Unit #1RE (API 42-185-30641) is a horizontal well in Grimes County operated by Cml Exploration LLC, completed September 14, 1998.
The RRC has issued 3 drilling permits (amended once) between 1998 and 2025, permitted to 16,300 ft.
Completion filings report 9 formation tops, including Wilcox, Austin Chalk, Buda, Georgetown.
Its 3 leases have reported 127K barrels of oil and 784K mcf of gas since September 1998, last reporting in July 2026. The leases carry 3 wells, so these are lease totals, not this well alone.
Operator of record
Austin, TX · P-5 Y, filed Jul 4, 2026 · 514 permits on file · (800) 460-6313
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | CML Exploration LLC |
| Production reports | CML Exploration, LLCthrough Apr 2026 |
| Latest permit | CML Exploration, LLCJul 15, 2025 |
- 16,300
- total depth, ft
- 4
- permits on file
- Jul 15, 2025
- last permit issued
- Sep 14, 1998
- completed
- 127K
- cumulative oil, bbl
- 784K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Sep 1998 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Sep 14, 1998
- Shut in
- —
- Plugged
- —
Surface location
30.784555, -96.148310
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Grimes County.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
Texas reports oil by lease, not by well. These are the 3 leases this well is completed on; they carry 3 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Knotts O-3-28252 | Giddings (Austin Chalk-3) | CML Exploration, LLC | 1 | 28.2K | 35.5K | Aug 2025 – Jul 2026 |
| Knotts Unit O-3-25059 | Iola (Georgetown) | CML Exploration, LLC | 1 | 98.6K | 501K | Oct 2006 – Jan 2026 |
| Knotts Unit G-3-171380 | Iola (Glen Rose -B-) | CML Exploration, LLC | 1 | 0 | 248K | Sep 1998 – Aug 2025 |
Oil, barrels lease total
Last 12 months 28,248 · prior 12 0
Gas, mcf lease total
Last 12 months 35,500 · prior 12 0
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Patterson Petroleum, Inc.Oct 1998 → Feb 2000
- 2Patterson Petroleum LPMar 2000 → May 2006
- 3Patterson Petroleum LLCOct 2006 → Oct 2007
- 4CML Exploration, LLCNov 2007 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 909195-99 | Recompletion | CML Exploration, LLC | Jul 10, 2025 | Jul 15, 2025 | — | 9,300 |
| 621838-99 | Recompletion | Patterson Petroleum LP | Jun 29, 2006 | Jun 30, 2006 | Jul 9, 2006 | 11,000 |
| 477931-98 | Drill | Patterson Petroleum, Inc. | Nov 30, 1998 | Jul 14, 1998 | Jul 16, 1998 | 16,300 |
| 477931-99 | Drill | Patterson Petroleum, Inc. | Jul 14, 1998 | Jul 14, 1998 | — | 16,300 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-3-171380 | — | — | — | — |
| — | — O-3-25059 | — | — | — | — |
| — | — O-3-28252 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 298 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| WilcoxWILCOX - DISPOSAL | 1,890 | -1,592 |
| Austin ChalkAUSTIN CHALK - PRODUCTION | 8,314 | -8,016 |
| Austin ChalkAUSTIN CHALK - PRODUCTION | 8,316 | -8,018 |
| Austin Chalk | 8,365 | -8,067 |
| Buda | 9,430 | -9,132 |
| BudaTOP BUDA | 9,480 | -9,182 |
| Georgetown | 9,510 | -9,212 |
| Del RioTOP DEL RIO | 9,545 | -9,247 |
| GeorgetownTOP GEORGETOWN | 9,553 | -9,255 |
| Cook MountainCOOK MOUNTAIN - DISPOSAL | — | — |
| JacksonJACKSON - DISPOSAL | — | — |
| Sub-ClarksvilleSUB-CLARKSVILLE - PRODUCTION | — | — |
| WoodbineWOODBINE-LOLA - PRODUCTION | — | — |
| WoodbineWOODBINE - PRODUCTION | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,352 | 17,294 | Open hole |
| 8,352 | 19,415 | Open hole |
| 9,400 | 17,982 | Open hole |
| 9,400 | 18,815 | Perforated |
| 9,440 | 16,723 | Perforated |
| 10,400 | 12,976 | Perforated |
| 10,608 | 15,821 | Perforated |
| 10,608 | 15,821 | Open hole |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 2,215 | 12.25 | 2,044 S |
| 7 | 11,124 | 8.75 | 290 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 | Jul 29, 2026 | Jun 11, 2026 | Yes |
| 00 | Dec 19, 2025 | Oct 9, 2025 | Yes |
| 00 | May 23, 2008 | Oct 12, 2006 | — |
| 00 | Nov 16, 2007 | Oct 12, 2006 | Yes |
| 00 | Oct 31, 2007 | — | — |
| 00 | Feb 4, 1999 | Nov 25, 1998 | — |
| 00 | Feb 1, 1999 | Oct 30, 1998 | Yes |
| 00 | Jan 26, 1999 | — | — |
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 42-185-30641 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-185-30641 → 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.
Peters42-041-31982
4.2 KM · Patterson Petroleum LP · Section with this well →
| Austin Chalk | 8,169 | -7,897 |
| Austin Chalk | 8,519 | -8,247 |
| Woodbine | 8,534 | -8,262 |
| Top False Buda | 9,246 | -8,974 |
Revised42-041-32066
4.9 KM · Centex Energy, LLC · Section with this well →
| Austin Chalk | 8,492 | -8,265 |
| Austin Chalk | 8,552 | -8,325 |
| Woodbine | 8,552 | -8,325 |
| Buda | 9,249 | -9,022 |
| Georgetown | 9,370 | -9,143 |
Nunley42-041-32049
5.5 KM · Centex Energy, LLC · Section with this well →
| Austin Chalk | 8,380 | -8,103 |
| Woodbine | 8,464 | -8,187 |
| Top False Buda | 9,068 | -8,791 |
| False Buda | 9,068 | -8,791 |
Holth42-185-30515
5.5 KM · Pride Energy Company · Section with this well →
| Austin Chalk | 8,565 | -8,223 |
| Sub-Clarksville | 8,920 | -8,578 |
| Woodbine | 8,965 | -8,623 |
| Buda | 9,796 | -9,454 |
Rasco B42-041-32527
6.3 KM · Etx Energy, LLC · Section with this well →
| Wilcox | 4,302 | -4,080 |
| Navarro | 6,880 | -6,658 |
| Austin Chalk | 8,986 | -8,764 |
| Woodbine | 9,155 | -8,933 |
| Eagle Ford | 9,500 | -9,278 |
| Georgetown | — | |
| Sparta | — | |
| Buda | — |
9 TOPS · FIRST 8
Rasco A42-041-32524
6.3 KM · Etx Energy, LLC · Section with this well →
| Wilcox | 4,302 | -4,079 |
| Navarro | 6,880 | -6,657 |
| Austin Chalk | 8,986 | -8,763 |
| Woodbine | 9,155 | -8,932 |
| Eagle Ford | 9,479 | -9,256 |
| Edwards | — | |
| Sparta | — | |
| Georgetown | — |
9 TOPS · FIRST 8
Rainier (Allocation)42-313-31352
6.4 KM · MD America Energy, LLC · Section with this well →
| Sub-Clarksville | 8,361 | -8,128 |
| Woodbine | 8,463 | -8,230 |
| Eagle Ford | 8,957 | -8,724 |
| Wilcox | — | |
| Rodessa | — | |
| Lewisville - Disposal | — | |
| Georgetown | — | |
| Frio | — |
10 TOPS · FIRST 8
County Line42-313-31126
6.6 KM · Woodbine Acquisition LLC · Section with this well →
| Austin Chalk | 8,015 | -7,991 |
| Austin Chalk | 8,370 | -8,346 |
| Woodbine | 8,463 | -8,439 |
| Top Window | 8,476 | -8,452 |
| Red MKR | 8,487 | -8,463 |
| Base Window | 8,498 | -8,474 |
| Lewisville - Disposal | — | |
| Georgetown | — |
14 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/18530641, documented in the API reference.