WELL · 42-393-31842 · DISTRICT 10
Chambers 79 #4
Roberts County · St. Clair (Granite Wash) field · Producing · Vertical
Chambers 79 #4 (API 42-393-31842) is a well in Roberts County operated by Mmgl Txph LLC, completed August 10, 2006 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued May 24, 2006, permitted to 10,650 ft.
It was permitted by Devon Energy Production CO, L.P. and has since transferred to Mmgl Txph LLC on the wellbore schedule.
Completion filings report 4 formation tops, including Bs Heebner, Douglas, Tonkawa, Granite Wash.
Its lease has reported 74.4K barrels of oil and 3.41M mcf of gas since May 2006, last reporting in July 2026. The lease carries 6 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Devon Energy Production Co, L.P.; the EWA schedule now lists a different operator.
- Based in
- Dallas, TX
- P-5 status
- Active (A)
- P-5 last filed
- Jul 24, 2025
- Permits on file
- 10
- Phone
- (972) 701-8377
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Mmgl Txph LLC |
| Production reports | Mmgl Txph, LLCthrough Apr 2026 |
| Latest permit | Devon Energy Production Co, L.P.May 24, 2006 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,650
- total depth, ft
- 1
- permits on file
- May 24, 2006
- last permit issued
- Aug 10, 2006
- completed
- 74.4K
- cumulative oil, bbl
- 3.41M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · May 2006 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Aug 10, 2006
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
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; they carry 6 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Chambers 79 O-14-7666 | St. Clair (Granite Wash) | Mmgl Txph, LLC | 6 | 74.4K | 3.41M | May 2006 – Jul 2026 |
Gas, mcf lease total
Last 12 months 26,009 · prior 12 25,663(+1%)
Oil, barrels lease total
Last 12 months 537 · prior 12 548(-2%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Devon Energy Production Co, L.P.May 2006 → Jun 2016
- 2Tecolote Energy Operating, LLCAug 2016 → Dec 2019
- 3Blackbeard Operating, LLCJan 2020 → Sep 2023
- 4Mmgl Txph, LLCOct 2023 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 619788-99 | Drill | Devon Energy Production Co, L.P. | May 23, 2006 | May 24, 2006 | Jun 30, 2006 | 10,650 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-14-7666 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,858 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| BS Heebner | 6,978 | -4,120 |
| Douglas | 7,019 | -4,161 |
| Tonkawa | 7,696 | -4,838 |
| Granite Wash | 9,488 | -6,630 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,112 | 10,480 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 2,500 | 12.25 | 1,320 S |
| 5.5 | 10,650 | 8.75 | 1,300 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 | Apr 17, 2007 | Feb 9, 2007 | Yes |
| 00 | Mar 5, 2007 | — | — |
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 42-393-31842 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-393-31842 → 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/39331842, documented in the API reference.