WELL · 42-393-30703 · DISTRICT 10
Chambers Frank M -C- #3
Roberts County · Mendota NW. (Granite Wash SW.) field · Vertical
Chambers Frank M -C- #3 (API 42-393-30703) is a well in Roberts County operated by Diamond Shamrock Exploration CO., completed September 12, 1979.
The RRC has issued one drilling permit, issued May 1, 1979, permitted to 10,300 ft.
It was permitted by Diamond Chemicals Company and has since transferred to Diamond Shamrock Exploration CO. on the wellbore schedule.
Completion filings report 7 formation tops, including Brown Dolomite, Douglas, Tonkawa, Kansas City.
Its lease has reported 24.5K barrels of oil and 1.6M mcf of gas since January 1993, last reporting in July 2026. The lease carries 3 wells, so these are lease totals, not this well alone.
Operator of record
Diamond Shamrock Exploration Co.
Permitted by Diamond Chemicals Company; the EWA schedule now lists a different operator.
- 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 | Diamond Shamrock Exploration Co. |
| Production reports | BP America Production Companythrough May 2013 |
| Latest permit | Diamond Chemicals CompanyMay 1, 1979 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,300
- total depth, ft
- 1
- permits on file
- May 1, 1979
- last permit issued
- Sep 12, 1979
- completed
- 24.5K
- cumulative oil, bbl
- 1.6M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Sep 12, 1979
- 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 3 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Chambers, Frank M. et al "C" O-14-6074 | Mendota, NW. (Granite Wash, SW.) | Mmgl Txph, LLC | 3 | 24.5K | 1.6M | Jan 1993 – Jul 2026 |
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 → Oct 2012
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 47575-99 | Drill | Diamond Chemicals Company | May 1, 1979 | May 1, 1979 | Jul 6, 1979 | 10,300 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-14-6074 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,644 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Brown Dolomite | 3,928 | -1,284 |
| Douglas | 6,670 | -4,026 |
| Tonkawa | 7,426 | -4,782 |
| Kansas City | 7,790 | -5,146 |
| Cleveland | 8,252 | -5,608 |
| Des Moines | 8,481 | -5,837 |
| Granite Wash | 8,940 | -6,296 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,180 | 9,200 | Perforated |
| 9,180 | 10,140 | Perforated |
| 9,630 | 9,688 | Perforated |
| 9,664 | 9,730 | Perforated |
| 10,105 | 10,113 | Perforated |
| 10,116 | 10,123 | Perforated |
| 10,127 | 10,140 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 2,312 | 12.25 | 1,720 S |
| 2.875 | 9,110 | — | — |
| 5.5 | 10,290 | 7.875 | — |
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 | Dec 31, 1985 | Dec 9, 1985 | — |
| 00 | Dec 13, 1985 | — | — |
| 00 | Jan 12, 1984 | Oct 1, 1979 | — |
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 42-393-30703 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-393-30703 → 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/39330703, documented in the API reference.