WELL · 42-123-31286 · DISTRICT 2
Atoka-Gohlke #1
DE Witt County · Speary East (Wilcox 9800) field · Vertical
Atoka-Gohlke #1 (API 42-123-31286) is a plugged well in De Witt County, plugged January 8, 2020, last operated by Mastodon Operating Company LLC.
The RRC has issued 2 drilling permits between 1982 and 2004, permitted to 10,200 ft.
It was permitted by Ness Operating Of Texas, Inc. and has since transferred to Mastodon Operating Company LLC on the wellbore schedule.
Completion filings report 2 formation tops, including Wilcox, Speary.
Operator of record
Mastodon Operating Company LLC
Permitted by Ness Operating of Texas, Inc.; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed May 4, 2026 · (832) 722-8571
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Mastodon Operating Company LLC |
| Production reports | Helia Tec Resources, Inc.through Jun 2008 |
| Latest permit | Ness Operating of Texas, Inc.Nov 5, 2004 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,200
- total depth, ft
- 2
- permits on file
- Nov 5, 2004
- last permit issued
- Nov 6, 2004
- completed
- 0
- cumulative oil, bbl
- 18.9K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Nov 6, 2004
- Shut in
- —
- Plugged
- Jan 8, 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 2 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 |
|---|---|---|---|---|---|---|
| Atoka-Gohlke G-2-207018 | Speary, East (Wilcox 9800) | Mastodon Operating Company, LLC | 1 | 0 | 18.9K | Nov 2004 – Jul 2026 |
| Gohlke, Leeroy O-2-6935 | Wildcat | Rockoil Energy of Texas, Inc. | 2 | 0 | 0 | Jan 1993 – 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.
- 1Ness Operating of Texas, Inc.Dec 2004 → Dec 2004
- 2Rockoil Energy of Texas, Inc.Jan 2005 → Apr 2006
- 3Helia Tec Resources, Inc.Mar 2008 → Jun 2008
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 553256-99 | Recompletion | Ness Operating of Texas, Inc. | Nov 5, 2004 | Nov 5, 2004 | — | 10,050 |
| 184007-99 | Drill | Atoka Energy Corporation | Dec 31, 1982 | Dec 31, 1982 | — | 10,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-2-207018 | — | — | — | — |
| — | — O-2-6935 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 316 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| WilcoxLOWER WILCOX | 9,472 | -9,156 |
| Speary | 10,010 | -9,694 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,015 | 10,025 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 10.75 | 1,516 | 12.25 | — |
| 10.75 | 1,570 | 12.75 | — |
| 7 | 9,000 | 9.625 | — |
| 7 | 9,103 | 9.875 | — |
| 4.5 | 10,038 | 6 | 106 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 | Jun 17, 2005 | Dec 21, 2004 | Yes |
| 00 | Mar 24, 2005 | — | — |
| 00 | Oct 21, 1987 | Jun 10, 1985 | — |
| 00 | Jul 19, 1985 | — | — |
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 42-123-31286 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-123-31286 → 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/12331286, documented in the API reference.