TEXAS · WELLS · HARRIS COUNTY · TOMBALL LEWIS OIL UNIT #1 LEASE · API 42-201-31536 · DISTRICT 03
Tomball Lewis Oil Unit #1 #1
Harris County · Tomball (Lewis 5930) field · Shut In · Vertical
Tomball Lewis Oil Unit #1 #1 (API 42-201-31536) is a well in Harris County operated by Tandem Energy Corporation, completed May 6, 1987 and listed as shut in on the RRC schedule, shut in October 1, 2021.
The RRC has issued one drilling permit, issued March 15, 1983, permitted to 6,050 ft.
It was permitted by Exxon Corp. and has since transferred to Tandem Energy Corporation on the wellbore schedule.
Completion filings report 2 formation tops, including Schultz, Retrich.
Its lease has reported 47K barrels of oil and 134K mcf of gas since January 1993, last reporting in July 2026. The lease carries 2 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Exxon Corp.; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Jun 24, 2026
- Permits on file
- 138
- Phone
- (713) 364-7822
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Tandem Energy Corporation |
| Production reports | Tandem Energy Corporationthrough Mar 2021 |
| Latest permit | Exxon Corp.Mar 15, 1983 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 6,050
- total depth, ft
- 1
- permits on file
- Mar 15, 1983
- last permit issued
- May 6, 1987
- completed
- 47K
- cumulative oil, bbl
- 134K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- May 6, 1987
- Shut in
- Oct 1, 2021
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
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 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Tomball Lewis Oil Unit #1 O-3-16930 | Tomball (Lewis 5930) | Tandem Energy Corporation | 2 | 47K | 134K | 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.
- 1Exxon Corp.Jan 1993 → Jul 1996
- 2MerencoAug 1996 → Dec 1996
- 3Tandem Energy CorporationJan 1997 → Mar 2021
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 189732-99 | Drill | Exxon Corp. | Mar 15, 1983 | Mar 15, 1983 | — | 6,550 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| May 6, 1987 | Tomball Lewis Oil Unit #1 O-3-16930 | Tomball (Lewis 5930) | Tandem Energy Corporation | Shut In · shut in Oct 1, 2021 | 6,050 |
Formation tops
As filed on W-2/G-1. Subsea from 171 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Schultz | 5,530 | -5,359 |
| Retrich | 5,564 | -5,393 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,905 | 5,911 | Perforated |
| 5,918 | 5,922 | Perforated |
| 5,923 | 5,927 | Perforated |
| 5,924 | 5,928 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,974 | 12.25 | 1,085 S |
| 2.375 | 5,710 | — | — |
| 5.5 | 6,050 | 8.75 | 350 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 27, 2014 | Aug 7, 2013 | — |
| 00 | Jul 27, 1987 | Jul 13, 1987 | — |
| 00 | Jul 7, 1986 | Jun 16, 1986 | Yes |
| 00 | Jan 12, 1984 | Oct 3, 1983 | — |
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 42-201-31536 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-201-31536 → 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/20131536, documented in the API reference.