WELL · 42-187-33417 · DISTRICT 1
Knobloch B - #1H
Guadalupe County · Darst Creek (Edwards) field · Producing · Horizontal
Knobloch B - #1H (API 42-187-33417) is a horizontal well in Guadalupe County operated by Texas Petroleum Investment CO., completed May 31, 2021 and listed as producing on the RRC schedule.
The RRC has issued 3 drilling permits between 1993 and 2021, permitted to 2,800 ft.
Completion filings report 5 formation tops, including Austin Chalk, Del Rio, Buda, Georgetown.
Its lease has reported 1.36M barrels of oil and 180 mcf of gas since January 1993, last reporting in July 2026. The lease carries 46 wells, so these are lease totals, not this well alone.
Operator of record
Texas Petroleum Investment Co.
Houston, TX · P-5 Y, filed Jul 4, 2026 · 233 permits on file · (888) 214-3575
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Texas Petroleum Investment Co. |
| Production reports | Texas Petroleum Investment Co.through Apr 2026 |
| Latest permit | Texas Petroleum Investment Co.Feb 5, 2021 |
- 2,800
- total depth, ft
- 3
- permits on file
- Feb 5, 2021
- last permit issued
- May 31, 2021
- completed
- 1.36M
- cumulative oil, bbl
- 180
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- May 31, 2021
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
Surface location
29.599397, -97.746751
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Guadalupe 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 46 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Knobloch B - O-1-2800 | Darst Creek (Edwards) | Texas Petroleum Investment Co. | 46 | 1.36M | 180 | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 53,719 · prior 12 55,982(-4%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Meridian Oil Production Inc.Jan 1993 → Feb 1996
- 2Meridian Oil Inc.Mar 1996 → Jul 1996
- 3Burlington Resources Oil&gas Co.Aug 1996 → Mar 1997
- 4Vintage Petroleum, Inc.Apr 1997 → Apr 2006
- 5Vintage Petroleum, LLCMay 2006 → Sep 2006
- 6Texas Petroleum Investment Co.Oct 2006 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 867474-99 | Recompletion | Texas Petroleum Investment Co. | Feb 2, 2021 | Feb 5, 2021 | May 22, 2021 | 2,600 |
| 553845-99 | Recompletion | Vintage Petroleum, Inc. | Nov 18, 2004 | Nov 18, 2004 | Nov 15, 2004 | 2,800 |
| 411827-99 | Drill | Meridian Oil Production Inc. | May 17, 1993 | May 26, 1993 | Jul 25, 1993 | 2,700 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-2800 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 12 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Austin Chalk | 2,152 | -2,140 |
| Del Rio | 2,353 | -2,341 |
| Buda | 2,362 | -2,350 |
| Georgetown | 2,398 | -2,386 |
| Edwards | 2,522 | -2,510 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 2,600 | 4,178 | Open hole |
| 2,655 | 4,160 | Open hole |
| 2,655 | 4,373 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 7.625 | 2,655 | 9.875 | 771 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 | Nov 19, 2021 | Oct 15, 2021 | Yes |
| 00 | May 18, 2007 | Sep 12, 2005 | — |
| 00 | Dec 22, 2005 | Jan 7, 2005 | Yes |
| 00 | Mar 23, 1994 | Feb 4, 1994 | — |
| 00 | Mar 11, 1994 | — | — |
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 42-187-33417 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-187-33417 → 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.
Klein, M.T.42-187-33682
0.1 KM · Texas Petroleum Investment Co. · Section with this well →
| Austin Chalk | 2,192 | -1,683 |
| Buda | 2,409 | -1,900 |
| Edwards | 2,588 | -2,079 |
| Catahoula | — | |
| Yegua | — | |
| Woodbine | — | |
| Frio | — |
Knobloch A42-187-33695
0.2 KM · Texas Petroleum Investment Co. · Section with this well →
| Austin Chalk | 2,156 | -1,640 |
| Buda | 2,367 | -1,851 |
| Edwards | 2,525 | -2,009 |
| Frio | — | |
| Catahoula | — | |
| Yegua | — | |
| Woodbine | — |
Knodel, Annie42-187-33711
0.3 KM · Texas Petroleum Investment Co. · Section with this well →
| Austin Chalk | 2,237 | -1,721 |
| Buda | 2,456 | -1,940 |
| Edwards | 2,629 | -2,113 |
| Yegua | — | |
| Catahoula | — | |
| Frio | — | |
| Woodbine | — |
Dix, Thomas C42-187-33561
0.4 KM · Texas Petroleum Investment Co. · Section with this well →
| Eagle Ford | 2,314 | -1,790 |
| Buda | 2,350 | -1,826 |
| Del Rio | 2,428 | -1,904 |
| Edwards | 2,525 | -2,001 |
Posey & Baker (Chevron)42-187-33508
0.6 KM · Vintage Petroleum, Inc. · Section with this well →
| Eagle Ford | 2,348 | -2,336 |
| Buda | 2,370 | -2,358 |
| Edwards | 2,552 | -2,540 |
Knobloch A42-187-33704
0.6 KM · Texas Petroleum Investment Co. · Section with this well →
| Austin Chalk | 2,092 | -1,604 |
| Buda | 2,301 | -1,813 |
| Edwards | 2,462 | -1,974 |
| Yegua | — | |
| Frio | — | |
| Catahoula | — | |
| Woodbine | — |
Knobloch B-42-187-33707
0.6 KM · Texas Petroleum Investment Co. · Section with this well →
| Austin Chalk | 2,120 | -1,634 |
| Buda | 2,325 | -1,839 |
| Edwards | 2,492 | -2,006 |
| Frio | — | |
| Catahoula | — | |
| Yegua | — | |
| Woodbine | — |
Knobloch A42-187-33674
0.7 KM · Texas Petroleum Investment Co. · Section with this well →
| Austin Chalk | 2,075 | -1,581 |
| Buda | 2,289 | -1,795 |
| Edwards | 2,461 | -1,967 |
| Catahoula | — | |
| Yegua | — | |
| Woodbine | — | |
| Frio | — |
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/18733417, documented in the API reference.