WELL · 42-201-31667 · DISTRICT 3
Tomball Gas Unit #18 #1
Harris County · Vertical
Tomball Gas Unit #18 #1 (API 42-201-31667) is a permitted well in Harris County filed by Gaither Petroleum Corporation; no completion report is on file yet.
The RRC has issued 5 drilling permits between 1983 and 1999, permitted to 12,500 ft.
Completion filings report 4 formation tops, including Frio, Kobs, Yegua, Wilcox.
Its 4 leases have reported 190K barrels of oil and 640K mcf of gas since January 1993, last reporting in July 2026. The leases carry 3 wells, so these are lease totals, not this well alone.
Operator of record
- Based in
- Katy, TX
- P-5 status
- Active (A)
- P-5 last filed
- Jan 30, 2026
- Permits on file
- 117
- Phone
- (281) 994-5400
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | Galloway Lone Star, L.L.C.through Apr 2026 |
| Latest permit | Gaither Petroleum CorporationMar 25, 1999 |
- 12,500
- total depth, ft
- 5
- permits on file
- Mar 25, 1999
- last permit issued
- —
- completed
- 190K
- cumulative oil, bbl
- 640K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- 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 4 leases 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 |
|---|---|---|---|---|---|---|
| Tomball Gas Unit #18 O-3-23647 | Tomball (Kobs) | Galloway Lone Star, L.L.C. | 1 | 190K | 611K | Mar 1999 – Jul 2026 |
| Tomball Gas Unit #18 G-3-167403 | Tomball (Cockfield Milo) | Gaither Petroleum Corporation | 1 | 0 | 22.5K | Jan 1998 – Mar 1999 |
| Tomball Gas Unit 18 G-3-142351 | Tomball (Wilcox 8860, 2ND) | M. J. G., Inc. | 1 | 0 | 5.66K | Jan 1993 – Jan 1998 |
| — G-3-109631 | — | — | 0 | 0 | 0 | — |
Gas, mcf lease total
Last 12 months 33,484 · prior 12 61,859(-46%)
Oil, barrels lease total
Last 12 months 3,271 · prior 12 5,721(-43%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Gaither Petroleum CorporationDec 1993 → Jun 2015
- 2M. J. G., Inc.Jan 1998 → Aug 1998
- 3Five-Jab, Inc.Jul 2015 → Jan 2019
- 4Daylight Petroleum LLCFeb 2019 → Jan 2022
- 5Galloway Lone Star, L.L.C.Feb 2022 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 483498-99 | Recompletion | Gaither Petroleum Corporation | Mar 25, 1999 | Mar 25, 1999 | Mar 18, 1999 | 9,000 |
| 474085-99 | Recompletion | M. J. G., Inc. | Mar 5, 1998 | Mar 19, 1998 | Nov 6, 1997 | 6,700 |
| 397916-99 | Recompletion | Exxon Corp. | Mar 30, 1992 | Mar 30, 1992 | Apr 22, 1992 | 8,900 |
| 328726-99 | Recompletion | Exxon Corp. | Apr 7, 1987 | Apr 9, 1987 | — | 11,400 |
| 221311-99 | Drill | Exxon Corp. | Nov 17, 1983 | Nov 17, 1983 | — | 12,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-3-109631 | — | — | — | — |
| — | — G-3-142351 | — | — | — | — |
| — | — G-3-167403 | — | — | — | — |
| — | — O-3-23647 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 182 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,458 | 5,464 | Perforated |
| 6,152 | 6,156 | Perforated |
| 8,767 | 8,776 | Perforated |
| 10,101 | 10,122 | Perforated |
| 10,110 | 10,120 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 20 | 56 | — | — |
| 13.625 | 1,979 | 17.5 | 2,530 S |
| 13.375 | 1,979 | 17.5 | 2,530 sx |
| 9.625 | 7,000 | 12.25 | 775 sx |
| 5.5 | 11,400 | 6.75 | 500 sx |
| 5 | 11,400 | 6.75 | 500 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 | May 4, 1999 | Apr 5, 1999 | Yes |
| 00 | Apr 26, 1999 | — | — |
| 00 | May 11, 1998 | Mar 25, 1998 | Yes |
| 00 | Apr 9, 1998 | — | — |
| 00 | Oct 15, 1992 | Sep 29, 1992 | Yes |
| 00 | Oct 6, 1992 | — | — |
| 00 | Oct 3, 1984 | Sep 18, 1984 | — |
| 00 | May 1, 1984 | Sep 18, 1984 | — |
| 00 | Mar 30, 1984 | Sep 18, 1984 | — |
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 42-201-31667 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-201-31667 → 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/20131667, documented in the API reference.