WELL · 42-505-34275 · DISTRICT 4
Thomasma #7
Zapata County · Davis S. (8000) field · Vertical
Thomasma #7 (API 42-505-34275) is a plugged well in Zapata County, plugged July 22, 2015, last operated by Killam Oil CO. Ltd..
The RRC has issued 2 drilling permits between 2001 and 2006, permitted to 9,800 ft.
Completion filings report 4 formation tops, including Yegua, Queen City, Wilcox, W-13.
Operator of record
- Based in
- Laredo, TX
- P-5 status
- Active (A)
- P-5 last filed
- Apr 9, 2026
- Permits on file
- 837
- Phone
- (956) 724-7141
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Killam Oil Co. Ltd. |
| Production reports | Killam Oil Co., Ltd.through May 2013 |
| Latest permit | Killam Oil Co., Ltd.Aug 4, 2006 |
- 9,800
- total depth, ft
- 2
- permits on file
- Aug 4, 2006
- last permit issued
- Jan 28, 2014
- completed
- 0
- cumulative oil, bbl
- 3.35M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Oct 2001 THROUGH Feb 2021
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jan 28, 2014
- Shut in
- —
- Plugged
- Jul 22, 2015
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 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Thomasma G-4-221316 | Davis,s. (8000) | Killam Oil Co., Ltd. | 1 | 0 | 2.21M | Mar 2006 – Feb 2021 |
| Thomasma G-4-186121 | Aviators S. (9450) | Killam Oil Co., Ltd. | 1 | 0 | 1.14M | Oct 2001 – Mar 2007 |
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.
- 1Killam Oil Co., Ltd.Oct 2001 → May 2013
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 623437-99 | Recompletion | Killam Oil Co., Ltd. | Jul 28, 2006 | Aug 4, 2006 | Mar 27, 2006 | 9,766 |
| 503942-99 | Drill | Killam Oil Co., Ltd. | Jan 11, 2001 | Jan 17, 2001 | Jul 28, 2001 | 9,800 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Jan 28, 2014 | Thomasma G-4-221316 | Davis S. (8000) | Killam Oil Co. Ltd. | Plugged | — |
| Oct 19, 2001 | Thomasma G-4-186121 | Aviators S. (9450) | Killam Oil Co. Ltd. | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 824 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| YeguaTOP OF YEGUA | 2,278 | -1,454 |
| Queen CityTOP OF QUEEN CITY | 4,798 | -3,974 |
| WilcoxTOP OF WILCOX | 7,980 | -7,156 |
| W-13 | 9,444 | -8,620 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,159 | 8,164 | Perforated |
| 8,823 | 8,836 | Perforated |
| 9,446 | 9,460 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 715 | 12.25 | 260 S |
| 7 | 7,145 | 8.75 | 233 S |
| 2.875 | 9,766 | 6.125 | 440 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, 2014 | Feb 17, 2014 | — |
| 00 | Mar 9, 2007 | Jul 27, 2006 | Yes |
| 00 | Nov 14, 2006 | — | — |
| 00 | Jan 22, 2002 | Dec 5, 2001 | Yes |
| 00 | Jan 2, 2002 | — | — |
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 42-505-34275 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-505-34275 → 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/50534275, documented in the API reference.