WELL · 42-173-31100 · DISTRICT 7
Howard 31 #6A
Glasscock County · Spraberry (Trend Area) field · Vertical
Howard 31 #6A (API 42-173-31100) is a plugged well in Glasscock County, plugged April 1, 2009, last operated by Endeavor Energy Resources L.P..
The RRC has issued one drilling permit, issued November 6, 1980, permitted to 8,200 ft.
It was permitted by Costa Resources, Inc. and has since transferred to Endeavor Energy Resources L.P. on the wellbore schedule.
Its 2 leases have reported 21.9K barrels of oil and 66.3K mcf of gas since January 1993, last reporting in February 2014. The leases carry 4 wells, so these are lease totals, not this well alone.
Operator of record
Endeavor Energy Resources L.P.
Permitted by Costa Resources, Inc.; the EWA schedule now lists a different operator.
- Based in
- Midland, TX
- P-5 status
- Active (A)
- P-5 last filed
- Jun 12, 2026
- Permits on file
- 6,190
- Phone
- (432) 221-7400
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Endeavor Energy Resources L.P. |
| Production reports | Endeavor Energy Resources L.P.through May 2008 |
| Latest permit | Costa Resources, Inc.Nov 6, 1980 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,200
- total depth, ft
- 1
- permits on file
- Nov 6, 1980
- last permit issued
- Jun 18, 1981
- completed
- 21.9K
- cumulative oil, bbl
- 66.3K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Feb 2014
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jun 18, 1981
- Shut in
- —
- Plugged
- Apr 1, 2009
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 4 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| HOWARD,"31" O-9-14060 | Spraberry (Trend Area) | Endeavor Energy Resources L.P. | 2 | 16.7K | 56.4K | Nov 1995 – Feb 2014 |
| Howard, Wm. 31 O-9-8956 | Calvin (Dean) | Odessa Exploration, Inc. | 2 | 5.15K | 9.89K | Jan 1993 – Mar 2008 |
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.
- 1Costa Resources, Inc.Jan 1993 → Apr 1994
- 2Odessa Exploration, Inc.May 1994 → Jul 2003
- 3Stallion Energy, Inc.Aug 2003 → Apr 2004
- 4Endeavor Energy Resources L.P.May 2004 → Mar 2008
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 98275-99 | Drill | Costa Resources, Inc. | Nov 6, 1980 | Nov 6, 1980 | May 16, 1981 | 8,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-8956 | — | — | — | — |
| — | — O-9-14060 | — | — | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,871 | 8,037 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 12.75 | 395 | 17.5 | 475 S |
| 2.375 | 7,820 | — | — |
| 4.5 | 8,187 | 7.875 | 800 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 | Dec 22, 1995 | Aug 6, 1981 | — |
| 00 | Jan 12, 1984 | Aug 6, 1981 | — |
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 42-173-31100 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-173-31100 → 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/17331100, documented in the API reference.