TEXAS · WELLS · WEBB COUNTY · API 42-479-37969 · DISTRICT 04
Barrera - Martin G.U. #1
Webb County · Rottersman (Lobo) field · Vertical
Barrera - Martin G.U. #1 (API 42-479-37969) is a plugged well in Webb County, plugged December 23, 2013, last operated by Killam Oil CO. Ltd..
The RRC has issued 2 drilling permits between 2001 and 2009, permitted to 9,500 ft.
Completion filings report 3 formation tops, including Lobo Unc, Lobo Unc., Midway.
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 Apr 2013 |
| Latest permit | Killam Oil Co., Ltd.Aug 18, 2009 |
- 9,500
- total depth, ft
- 2
- permits on file
- Aug 18, 2009
- last permit issued
- Jul 23, 2009
- completed
- 0
- cumulative oil, bbl
- 680K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Feb 2002 THROUGH Dec 2014
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jul 23, 2009
- Shut in
- —
- Plugged
- Dec 23, 2013
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 |
|---|---|---|---|---|---|---|
| Barrera - Martin G.U. G-4-250217 | Rottersman (Lobo) | Killam Oil Co., Ltd. | 1 | 0 | 30K | Jul 2009 – Dec 2014 |
| Barrera - Martin G.U. G-4-188679 | Barrera (Lobo 6) | Killam Oil Co., Ltd. | 1 | 0 | 650K | Feb 2002 – Oct 2011 |
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.Apr 2002 → Apr 2013
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 683670-99 | Recompletion | Killam Oil Co., Ltd. | Jul 30, 2009 | Aug 18, 2009 | Jul 21, 2009 | 9,500 |
| 514407-99 | Drill | Killam Oil Co., Ltd. | Oct 12, 2001 | Oct 17, 2001 | Jan 18, 2002 | 9,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Jul 23, 2009 | Barrera - Martin G.U. G-4-250217 | Rottersman (Lobo) | Killam Oil Co. Ltd. | Plugged | — |
| Feb 25, 2002 | Barrera - Martin G.U. G-4-188679 | Barrera (Lobo 6) | Killam Oil Co. Ltd. | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 528 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Lobo Unc | 7,775 | -7,247 |
| Lobo Unc. | 7,775 | -7,247 |
| Midway | 8,782 | -8,254 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,280 | 8,292 | Perforated |
| 8,636 | 8,666 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,472 | 12.25 | 465 S |
| 7 | 6,618 | 8.75 | 228 S |
| 4.5 | 8,902 | 6.125 | 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 | Dec 21, 2009 | Sep 17, 2009 | — |
| 00 | Dec 17, 2009 | Oct 26, 2009 | — |
| 00 | Oct 1, 2009 | Aug 5, 2009 | — |
| 00 | Aug 19, 2009 | — | — |
| 00 | Jun 26, 2002 | May 14, 2002 | Yes |
| 00 | May 24, 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 42-479-37969 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-479-37969 → 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/47937969, documented in the API reference.