WELL · 42-479-38079 · DISTRICT 4
Hachar #40
Webb County · Laredo (Navarro) field · SWR-10-Well · Vertical
Hachar #40 (API 42-479-38079) is a well in Webb County operated by Columbus Energy LLC, completed July 3, 2002 and listed as swr-10-well on the RRC schedule.
The RRC has issued 2 drilling permits in 2002, permitted to 9,000 ft.
It was permitted by Columbus Energy Corp. and has since transferred to Columbus Energy LLC on the wellbore schedule.
Completion filings report 6 formation tops, including Lobo Unconformity, Lobo Uncorformity, Lobo Erratics, Lobo.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Columbus Energy Corp.; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed Apr 4, 2026 · 51 permits on file · (956) 722-5238
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Columbus Energy LLC |
| Production reports | Columbus Energy, LLCthrough Aug 2025 |
| Latest permit | Columbus Energy Corp.Oct 28, 2002 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,000
- total depth, ft
- 2
- permits on file
- Oct 28, 2002
- last permit issued
- Jul 3, 2002
- completed
- 0
- cumulative oil, bbl
- 1.39M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · May 2002 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jul 3, 2002
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: X
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 |
|---|---|---|---|---|---|---|
| Hachar G-4-190001 | Laredo (Lobo) | Columbus Energy, LLC | 1 | 0 | 1.12M | May 2002 – Jul 2026 |
| Hachar G-4-191514 | Laredo (Navarro) | Columbus Energy, LLC | 1 | 0 | 272K | Jul 2002 – Jul 2026 |
Gas, mcf lease total
Last 12 months 2,741 · prior 12 13,650(-80%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Columbus Energy Corp.May 2002 → Jun 2007
- 2Columbus Energy, LLCJul 2007 → Aug 2025
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 524606-99 | Recompletion | Columbus Energy Corp. | Oct 14, 2002 | Oct 28, 2002 | Mar 29, 2002 | 9,000 |
| 518658-99 | Drill | Columbus Energy Corp. | Mar 28, 2002 | Mar 28, 2002 | Mar 29, 2002 | 9,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-190001 | — | — | — | — |
| — | — G-4-191514 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 490 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Lobo Unconformity | 6,533 | -6,043 |
| Lobo Uncorformity | 6,533 | -6,043 |
| Lobo Erratics | 6,653 | -6,163 |
| Lobo | 7,472 | -6,982 |
| Lobo 1 | 7,472 | -6,982 |
| Navarro | 7,920 | -7,430 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,658 | 6,660 | Perforated |
| 6,658 | 6,709 | Perforated |
| 6,707 | 6,709 | Perforated |
| 6,792 | 6,794 | Perforated |
| 6,792 | 7,008 | Perforated |
| 7,006 | 7,008 | Perforated |
| 7,157 | 7,159 | Perforated |
| 7,157 | 7,504 | Perforated |
| 7,486 | 7,504 | Perforated |
| 7,926 | 7,932 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 782 | 12.25 | 293 S |
| 7 | 5,710 | 8.75 | 340 S |
| 4.5 | 8,095 | 6.25 | 285 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 3, 2004 | Mar 2, 2004 | — |
| 00 | Dec 19, 2002 | Sep 11, 2002 | Yes |
| 00 | Dec 19, 2002 | Aug 5, 2002 | Yes |
| 00 | Nov 27, 2002 | — | — |
| 00 | Aug 23, 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 42-479-38079 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-479-38079 → 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/47938079, documented in the API reference.