WELL · 42-123-30879 · DISTRICT 2
Respondek #1
DE Witt County · Vertical
Respondek #1 (API 42-123-30879) is a plugged well in De Witt County, plugged February 12, 2020, last operated by Rockoil Energy Of Texas, Inc..
The RRC has issued 3 drilling permits (amended once) between 1978 and 2005, permitted to 14,214 ft.
Completion filings report 5 formation tops, including Wilcox, Vaughn Sand, Hackney, Roeder.
Operator of record
Weatherford, TX · P-5 Y, filed Dec 4, 2025 · 4 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | Mastodon Operating Company, LLCthrough Mar 2014 |
| Latest permit | Rockoil Energy of Texas, Inc.Apr 22, 2005 |
- 14,214
- total depth, ft
- 4
- permits on file
- Apr 22, 2005
- last permit issued
- —
- completed
- 0
- cumulative oil, bbl
- 167K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jul 2005 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- Shut in
- —
- Plugged
- Feb 12, 2020
Surface location
No coordinates on the permit record yet. The RRC's GIS record usually lands within days of issuance; historical master-file permits never carry one.
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 |
|---|---|---|---|---|---|---|
| Respondek G-2-216680 | Buchel (Austin) | Mastodon Operating Company, LLC | 1 | 0 | 167K | Jul 2005 – Jul 2026 |
No volumes reported on these leases in the last three years.
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Rockoil Energy of Texas, Inc.Sep 2005 → Sep 2006
- 2Proex Energy Management, L.L.C.Mar 2007 → Jun 2007
- 3Helia Tec Resources, Inc.Jul 2007 → Sep 2008
- 4Mastodon Operating Company, LLCOct 2008 → Mar 2014
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 560991-98 | Reenter | Rockoil Energy of Texas, Inc. | Dec 19, 2005 | Apr 22, 2005 | — | 13,700 |
| 560991-99 | Reenter | Rockoil Energy of Texas, Inc. | Apr 22, 2005 | Apr 22, 2005 | — | 13,700 |
| 78906-99 | Recompletion | Shell Oil Company | Apr 22, 1980 | Apr 22, 1980 | — | 14,214 |
| 26280-99 | Drill | Shell Oil Company | Jun 12, 1978 | Jun 12, 1978 | Jun 29, 1978 | 14,214 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-2-216680 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 310 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Wilcox | 7,280 | -6,970 |
| Wilcox | 9,240 | -8,930 |
| Vaughn Sand | 9,300 | -8,990 |
| Hackney | 9,450 | -9,140 |
| Roeder | 9,800 | -9,490 |
| Austin Chalk | 13,440 | -13,130 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,620 | 13,792 | Perforated |
| 13,420 | 13,446 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 2,200 | 14.75 | 960 S |
| 10.75 | 2,251 | 12.25 | — |
| 2.875 | 13,660 | — | — |
| 5.5 | 14,214 | 9.875 | — |
| 5.5 | 14,224 | 8.75 | 3,194 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 11, 2007 | Jul 5, 2007 | — |
| 00 | Oct 27, 2006 | Aug 19, 2005 | — |
| 00 | Jun 29, 2006 | — | — |
| 00 | Jan 12, 1984 | Nov 3, 1978 | — |
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 42-123-30879 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-123-30879 → 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.
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/12330879, documented in the API reference.