WELL · 42-295-31904 · DISTRICT 10
Trosper #1
Lipscomb County · Trosper (Tonkawa) field · Vertical
Trosper #1 (API 42-295-31904) is a plugged well in Lipscomb County, plugged November 20, 1998, last operated by Granite Operating Company.
The RRC has issued one drilling permit, issued August 21, 1990, permitted to 7,125 ft.
It was permitted by Unit Petroleum Company and has since transferred to Granite Operating Company on the wellbore schedule.
Completion filings report 3 formation tops, including Heebner, Douglas, Tonkawa.
Its lease has reported 1.31K barrels of oil and 2.22K mcf of gas since January 1993, last reporting in March 2008.
Operator of record
Permitted by Unit Petroleum Company; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Inactive (I)
- P-5 last filed
- Nov 14, 2023
- Permits on file
- 84
- Phone
- (713) 296-6000
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Granite Operating Company |
| Production reports | Upland Resources, Inc.through Jun 1996 |
| Latest permit | Unit Petroleum CompanyAug 21, 1990 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 7,125
- total depth, ft
- 1
- permits on file
- Aug 21, 1990
- last permit issued
- Sep 29, 1990
- completed
- 1.31K
- cumulative oil, bbl
- 2.22K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Mar 2008
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Sep 29, 1990
- Shut in
- —
- Plugged
- Nov 20, 1998
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; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Trosper O-14-6749 | Trosper (Tonkawa) | Granite Operating Company | 1 | 1.31K | 2.22K | 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.
- 1Unit Petroleum CompanyJan 1993 → Jun 1994
- 2Upland Resources, Inc.Sep 1994 → Jun 1996
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 376881-99 | Drill | Unit Petroleum Company | Aug 21, 1990 | Aug 21, 1990 | — | 7,125 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-14-6749 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,457 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,962 | 6,964 | Perforated |
| 6,974 | 6,976 | Perforated |
| 6,986 | 6,994 | Perforated |
| 7,006 | 7,014 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 810 | 12.25 | 390 S |
| 4.5 | 7,135 | 7.875 | 225 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 30, 1990 | Oct 26, 1990 | Yes |
| 00 | Nov 7, 1990 | — | — |
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 42-295-31904 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-295-31904 → 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/29531904, documented in the API reference.