WELL · 42-187-33554 · DISTRICT 1
Knobloch C. #6ST
Guadalupe County · Darst Creek (Edwards) field · Horizontal
Knobloch C. #6ST (API 42-187-33554) is a horizontal well in Guadalupe County operated by Texas Petroleum Investment CO., completed January 29, 2010.
The RRC has issued 2 drilling permits (amended once) between 2009 and 2019, permitted to 2,750 ft.
Completion filings report 3 formation tops, including Austin Chalk, Buda, Edwards.
Its lease has reported 1.31M barrels of oil and 956 mcf of gas since January 1993, last reporting in July 2026. The lease carries 50 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.Jan 25, 2019 |
- 2,750
- total depth, ft
- 3
- permits on file
- Jan 25, 2019
- last permit issued
- Jan 29, 2010
- completed
- 1.31M
- cumulative oil, bbl
- 956
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jan 29, 2010
- Shut in
- —
- Plugged
- —
Surface location
29.591912, -97.758179
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 50 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Knobloch, C. O-1-2796 | Darst Creek (Edwards) | Texas Petroleum Investment Co. | 50 | 1.31M | 956 | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 27,200 · prior 12 33,868(-20%)
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 |
|---|---|---|---|---|---|---|
| 848433-99 | Recompletion | Texas Petroleum Investment Co. | Jan 7, 2019 | Jan 25, 2019 | Jan 16, 2019 | 2,750 |
| 688753-98 | Drill | Texas Petroleum Investment Co. | Feb 3, 2010 | Dec 29, 2009 | Jan 20, 2010 | 2,650 |
| 688753-99 | Drill | Texas Petroleum Investment Co. | Dec 16, 2009 | Dec 29, 2009 | — | 2,090 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-2796 | — | — | — | — |
| — | — O-1-2796 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 563 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Austin Chalk | 2,169 | -1,606 |
| Buda | 2,392 | -1,829 |
| Edwards | 2,563 | -2,000 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 2,862 | 3,742 | Open hole |
| 2,862 | 4,494 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 7 | 2,862 | 8.75 | 544 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 18, 2019 | Sep 24, 2019 | Yes |
| 00 | Jun 14, 2010 | Feb 19, 2010 | Yes |
| 00 | May 13, 2010 | — | — |
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 42-187-33554 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-187-33554 → 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.
Denman A42-187-33675
0.4 KM · Texas Petroleum Investment Co. · Section with this well →
| Austin Chalk | 2,191 | -1,668 |
| Eagle Ford | 2,365 | -1,842 |
| Buda | 2,407 | -1,884 |
| Buda | 2,407 | -1,884 |
| Edwards | 2,573 | -2,050 |
| Edwards | 2,573 | -2,050 |
| Woodbine | — | |
| Catahoula | — |
10 TOPS · FIRST 8
Knobloch B-42-187-33697
0.6 KM · Texas Petroleum Investment Co. · Section with this well →
| Austin Chalk | 2,141 | -1,646 |
| Buda | 2,348 | -1,853 |
| Edwards | 2,510 | -2,015 |
| Catahoula | — | |
| Frio | — | |
| Woodbine | — | |
| Yegua | — |
Knobloch, C.42-187-33693
0.6 KM · Texas Petroleum Investment Co. · Section with this well →
| Austin Chalk | 2,129 | -1,637 |
| Buda | 2,335 | -1,843 |
| Edwards | 2,501 | -2,009 |
| Yegua | — | |
| Catahoula | — | |
| Frio | — | |
| Woodbine | — |
Knobloch B-42-187-33707
0.7 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 |
| Yegua | — | |
| Catahoula | — | |
| Frio | — | |
| Woodbine | — |
Knobloch A42-187-33674
0.8 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 |
| Frio | — | |
| Catahoula | — | |
| Yegua | — | |
| Woodbine | — |
Knobloch A42-187-33704
0.8 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 |
| Frio | — | |
| Woodbine | — | |
| Yegua | — | |
| Catahoula | — |
PB & Posey42-187-33706
0.9 KM · Texas Petroleum Investment Co. · Section with this well →
| Austin Chalk | 2,179 | -1,704 |
| Buda | 2,389 | -1,914 |
| Edwards | 2,552 | -2,077 |
| Catahoula | — | |
| Frio | — | |
| Woodbine | — | |
| Yegua | — |
Posey & Baker (Chevron)42-187-33508
1.0 KM · Vintage Petroleum, Inc. · Section with this well →
| Eagle Ford | 2,348 | -2,336 |
| Buda | 2,370 | -2,358 |
| Edwards | 2,552 | -2,540 |
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/18733554, documented in the API reference.