TEXAS · WELLS · HARRIS COUNTY · O-3-19997 LEASE · API 42-201-31340 · DISTRICT 03
Tomball Oil Unit 1 #1
Harris County · Tomball (Martens NW.) field · Vertical
Tomball Oil Unit 1 #1 (API 42-201-31340) is a plugged well in Harris County, plugged October 7, 1991, last operated by Exxon Corp..
The RRC has issued 3 drilling permits between 1981 and 1987, permitted to 6,200 ft.
Operator of record
- Based in
- Houston, TX
- P-5 status
- See remarks (S)
- P-5 last filed
- Mar 15, 1999
- Permits on file
- 19,549
- Phone
- (713) 431-1125
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Exxon Corp. |
| Production reports | none |
| Latest permit | Exxon Corp.Nov 25, 1987 |
- 6,200
- total depth, ft
- 3
- permits on file
- Nov 25, 1987
- last permit issued
- Feb 18, 1988
- completed
- 0
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Feb 18, 1988
- Shut in
- —
- Plugged
- Oct 7, 1991
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 |
|---|---|---|---|---|---|---|
| — O-3-19997 | — | — | 0 | 0 | 0 | — |
No volumes reported on these leases in the last three years.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 338181-99 | Recompletion | Exxon Corp. | Nov 2, 1987 | Nov 25, 1987 | — | 5,650 |
| 149863-99 | Drill | Exxon Corp. | Feb 1, 1982 | Feb 1, 1982 | — | 6,200 |
| 146694-99 | Drill | Exxon Corp. | Dec 22, 1981 | Dec 22, 1981 | Feb 7, 1982 | 6,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Feb 18, 1988 | Tomball Oil Unit 1 O-3-19997 | Tomball (Martens NW.) | Exxon Corp. | Plugged | — |
| Oct 29, 1987 | Tomball Oil Unit I O-3-15307 | Tomball (Hirsch NW.) | Exxon Corp. | Plugged | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,471 | 5,474 | Perforated |
| 5,472 | 5,474 | Perforated |
| 5,472 | 5,477 | Perforated |
| 5,472 | 5,492 | Perforated |
| 5,484 | 5,486 | Perforated |
| 5,539 | 5,542 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,971 | 12.25 | 975 S |
| 2.375 | 5,349 | — | — |
| 5.5 | 5,648 | 8.75 | 240 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 | Mar 14, 1988 | Mar 1, 1988 | — |
| 00 | Mar 7, 1988 | — | — |
| 00 | Dec 17, 1987 | Nov 25, 1987 | — |
| 00 | Oct 29, 1987 | Oct 16, 1987 | — |
| 00 | Apr 9, 1985 | Mar 15, 1985 | — |
| 00 | Nov 13, 1984 | Oct 19, 1984 | — |
| 00 | Jan 12, 1984 | Mar 18, 1982 | — |
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 42-201-31340 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-201-31340 → 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/20131340, documented in the API reference.