WELL · 42-393-30998 · DISTRICT 10
Chambers #503
Roberts County · Mendota NW. (Granite Wash SW.) field · Vertical
Chambers #503 (API 42-393-30998) is a well in Roberts County operated by Tenneco Oil CO., completed June 18, 1984.
The RRC has issued one drilling permit, issued February 10, 1984, permitted to 10,200 ft.
Completion filings report 6 formation tops, including Brown Dolomite, Douglas, Lansing -Kc, Lansing-K.C..
Its lease has reported 54.4K barrels of oil and 2.57M mcf of gas since January 1993, last reporting in July 2026. The lease carries 4 wells, so these are lease totals, not this well alone.
Operator of record
- Based in
- Houston, TX
- P-5 status
- Inactive (I)
- P-5 last filed
- May 30, 2007
- Permits on file
- 863
- Phone
- (713) 757-3525
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Tenneco Oil Co. |
| Production reports | Mmgl Txph, LLCthrough Apr 2026 |
| Latest permit | Tenneco Oil Co.Feb 10, 1984 |
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
- 1
- permits on file
- Feb 10, 1984
- last permit issued
- Jun 18, 1984
- completed
- 54.4K
- cumulative oil, bbl
- 2.57M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jun 18, 1984
- Shut in
- —
- Plugged
- —
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 4 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Chambers O-14-5769 | Mendota, NW. (Granite Wash, SW.) | Mmgl Txph, LLC | 4 | 54.4K | 2.57M | Jan 1993 – Jul 2026 |
Gas, mcf lease total
Last 12 months 17,582 · prior 12 18,166(-3%)
Oil, barrels lease total
Last 12 months 288 · prior 12 355(-19%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Seagull Midcon Inc.Jan 1993 → May 1998
- 2Seagull Energy E&P Inc.Jun 1998 → Oct 2000
- 3Ocean Energy, Inc.Nov 2000 → Aug 2003
- 4Devon Louisiana CorporationSep 2003 → Dec 2005
- 5Devon Energy Production Co, L.P.Jan 2006 → Jun 2016
- 6Tecolote Energy Operating, LLCJul 2016 → Dec 2019
- 7Blackbeard Operating, LLCJan 2020 → Sep 2023
- 8Mmgl Txph, LLCOct 2023 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 228918-99 | Drill | Tenneco Oil Co. | Feb 9, 1984 | Feb 10, 1984 | Mar 12, 1984 | 10,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-14-5769 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,631 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Brown Dolomite | 3,912 | -1,281 |
| Douglas | 6,616 | -3,985 |
| Lansing -KC | 7,732 | -5,101 |
| Lansing-K.C. | 7,732 | -5,101 |
| Oswego | 8,452 | -5,821 |
| Granite Wash | 8,984 | -6,353 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,076 | 9,137 | Perforated |
| 9,181 | 9,236 | Perforated |
| 9,595 | 9,688 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 2,752 | 10.75 | 1,875 S |
| 5.5 | 10,194 | 7.875 | 330 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 | Nov 15, 1984 | Jul 5, 1984 | — |
| 00 | Oct 26, 1984 | Oct 2, 1984 | — |
| 00 | Sep 25, 1984 | — | — |
| 00 | Jul 31, 1984 | Jun 22, 1984 | — |
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 42-393-30998 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-393-30998 → 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/39330998, documented in the API reference.