WELL · 42-105-41800 · DISTRICT 7
Mack Siegenthaler SWD #1
Crockett County · Weger (San Andres) field · Vertical
Mack Siegenthaler Swd #1 (API 42-105-41800) is a plugged well in Crockett County, plugged October 21, 2024, last operated by Cohort Petroleum Management LLC.
The RRC has issued one drilling permit (amended once), issued May 29, 2013, permitted to 3,800 ft.
Completion filings report 8 formation tops, including Queen, San Andres, Canyon, Devonian.
Operator of record
Cohort Petroleum Management LLC
Fort Worth, TX · P-5 Y, filed Jul 4, 2026 · 3 permits on file · (817) 246-8831
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Cohort Petroleum Management LLC |
| Production reports | none |
| Latest permit | RBD Group LLCMay 29, 2013 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 3,800
- total depth, ft
- 2
- permits on file
- May 29, 2013
- last permit issued
- May 6, 2015
- completed
- 0
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · May 2015 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- May 6, 2015
- Shut in
- —
- Plugged
- Oct 21, 2024
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 |
|---|---|---|---|---|---|---|
| Mack Siegenthaler SWD O-9-18998 | Weger (San Andres) | Cohort Petroleum Management, LLC | 1 | 0 | 0 | May 2015 – Jul 2026 |
No volumes reported on these leases in the last three years.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 763066-98 | Drill | Cohort Petroleum Management, LLC | Jan 7, 2015 | May 29, 2013 | Apr 29, 2015 | 3,800 |
| 763066-99 | Drill | RBD Group LLC | May 21, 2013 | May 29, 2013 | Apr 25, 2015 | 3,800 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-18998 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Download CSV →
| Formation | MD ft |
|---|---|
| Queen | 2,000 |
| San Andres | 3,022 |
| Canyon | — |
| Devonian | — |
| Ellenburger | — |
| Leonard | — |
| Strawn | — |
| Wolfcamp | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,022 | 3,176 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 860 | 12.25 | 730 S |
| 7 | 3,783 | 8.75 | 800 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 | Aug 20, 2015 | Jul 21, 2015 | — |
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 42-105-41800 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-105-41800 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. then paste it into their search.
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Injection
- 0
- bbl, last 12 reported months
- 552K
- bbl, all reported
- Jun 2022
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000109422 | H-1 Injection | Plugged Nov 1, 2024 | 25,000 | 1,250 | 2,500–3,700 |
MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS
Last 12 months 0 · prior 12 0
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/10541800, documented in the API reference.