WELL · 42-393-31067 · DISTRICT 10
Chambers, Frank M. et al "C" #9
Roberts County · Vertical
Chambers, Frank M. ET AL "C" #9 (API 42-393-31067) is a permitted well in Roberts County filed by Diamond Shamrock Exploration CO.; no completion report is on file yet.
The RRC has issued 3 drilling permits between 1984 and 1985, permitted to 11,000 ft.
Completion filings report 15 formation tops, including Bd, Brown Dolomite, Doug, Douglas.
Its 2 leases have reported 60.3K barrels of oil and 3.78M mcf of gas since January 1993, last reporting in July 2026. The leases carry 6 wells, so these are lease totals, not this well alone.
Operator of record
Diamond Shamrock Exploration Co.
- Based in
- Amarillo, TX
- P-5 status
- Inactive (I)
- P-5 last filed
- Aug 29, 1986
- Permits on file
- 328
- Phone
- (214) 979-2952
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | BP America Production Companythrough Nov 2014 |
| Latest permit | Diamond Shamrock Exploration Co.Nov 26, 1985 |
- 11,000
- total depth, ft
- 3
- permits on file
- Nov 26, 1985
- last permit issued
- —
- completed
- 60.3K
- cumulative oil, bbl
- 3.78M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- 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 2 leases 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, Frank M. Etal "C" O-14-4549 | Mendota, NW. (Granite Wash) | Mmgl Txph, LLC | 5 | 60.3K | 3.78M | Jan 1993 – Jul 2026 |
| Chambers, Frank M. Etal "C" G-14-275631 | Mendota, NW. (Granite Wash) | BP America Production Company | 1 | 0 | 780 | Jun 2014 – Aug 2016 |
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.
- 1Maxus Exploration CompanyJan 1993 → Jan 1995
- 2Midgard Energy CompanyFeb 1995 → Sep 1997
- 3Crescendo Resources, L.P.Oct 1997 → Mar 2000
- 4Amoco Production CompanyApr 2000 → Dec 2001
- 5BP America Production CompanyJan 2002 → Nov 2014
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 291721-99 | Drill | Diamond Shamrock Exploration Co. | Nov 25, 1985 | Nov 26, 1985 | — | 11,000 |
| 281829-99 | Drill | Diamond Shamrock Exploration Co. | Jul 5, 1985 | Aug 5, 1985 | — | 11,000 |
| 260158-99 | Drill | Diamond Shamrock Exploration Co. | Nov 12, 1984 | Dec 6, 1984 | — | 11,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-14-275631 | — | — | — | — |
| — | — O-14-4549 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,677 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| BD | 3,953 | -1,276 |
| Brown Dolomite | 3,953 | -1,276 |
| Doug | 6,700 | -4,023 |
| Douglas | 6,700 | -4,023 |
| Tonk | 7,450 | -4,773 |
| Tonkawa | 7,450 | -4,773 |
| KC | 7,805 | -5,128 |
| Cleve | 8,275 | -5,598 |
| Cleveland | 8,275 | -5,598 |
| DM | 8,500 | -5,823 |
| 1ST GN | 9,140 | -6,463 |
| B/Chero SH | 9,821 | -7,144 |
| B/Chero Sh. | 9,821 | -7,144 |
| 13 FL | 10,359 | -7,682 |
| MW | 10,453 | -7,776 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,154 | 9,164 | Perforated |
| 9,636 | 9,655 | Perforated |
| 9,657 | 9,662 | Perforated |
| 9,668 | 9,677 | Perforated |
| 9,681 | 9,715 | Perforated |
| 9,720 | 9,723 | Perforated |
| 9,890 | 9,905 | Perforated |
| 10,105 | 10,131 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 2,414 | 12.25 | 1,255 S |
| 5.5 | 10,362 | 7.875 | 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 | Jan 30, 2015 | Aug 12, 2014 | — |
| 00 | Dec 12, 1985 | Dec 2, 1985 | Yes |
| 00 | Dec 7, 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 42-393-31067 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-393-31067 → 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/39331067, documented in the API reference.