WELL · 42-441-34485 · DISTRICT 7
Big Mack #1
Taylor County · Potts Luck (Tannehill) field · Shut IN · Vertical
Big Mack #1 (API 42-441-34485) is a well in Taylor County operated by D.J. & T. Energy, completed March 25, 2015 and listed as shut in on the RRC schedule.
The RRC has issued one drilling permit, issued August 27, 2014, permitted to 2,000 ft.
It was permitted by Texas Operating & Consult., LLC and has since transferred to D.J. & T. Energy on the wellbore schedule.
Completion filings report 10 formation tops, including Cisco, Coleman Junction, Cook - Disposal, Flippen - Disposal.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Texas Operating & Consult., LLC; the EWA schedule now lists a different operator.
Abilene, TX · P-5 Y, filed Jan 4, 2026 · 10 permits on file · (325) 370-4947
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | D.J. & T. Energy |
| Production reports | none |
| Latest permit | Texas Operating & Consult., LLCAug 27, 2014 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 2,000
- total depth, ft
- 1
- permits on file
- Aug 27, 2014
- last permit issued
- Mar 25, 2015
- completed
- 0
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Mar 2015 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Mar 25, 2015
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: X
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 |
|---|---|---|---|---|---|---|
| Big Mack O-8-31928 | Potts Luck (Tannehill) | D.J. & T. Energy | 1 | 0 | 0 | Mar 2015 – Jul 2026 |
No volumes reported on these leases in the last three years.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 793115-99 | Drill | Texas Operating & Consult., LLC | Jul 31, 2014 | Aug 27, 2014 | Mar 17, 2015 | 2,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-8-31928 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 1,683 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| CiscoCISCO - DISPOSAL | — | — |
| Coleman JunctionCOLEMAN JUNCTION - CORROSIVE, SW | — | — |
| Cook - Disposal | — | — |
| Flippen - Disposal | — | — |
| Hope Lime - Disposal | — | — |
| King Sand - Disposal | — | — |
| Palo PintoPALO PINTO LIME - DISPOSAL | — | — |
| Saddle CreekSADDLE CREEK - DISPOSAL | — | — |
| Swastika - Disposal | — | — |
| Unidentified-County Regular - DI | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 1,822 | 1,830 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 126 | 12.25 | 100 S |
| 4.5 | 1,920 | 7.875 | 290 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 | Feb 5, 2016 | Feb 4, 2016 | Yes |
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 42-441-34485 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-441-34485 → 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/44134485, documented in the API reference.