WELL · 42-427-33343 · DISTRICT 4
Buchholz William R. #1
Starr County · Wildcat field · Partial Plug · Directional
Buchholz William R. #1 (API 42-427-33343) is a well in Starr County operated by Transpacific Energy LLC, completed September 11, 2003 and listed as partial plug on the RRC schedule.
The RRC has issued 2 drilling permits between 2001 and 2003, permitted to 8,600 ft.
It was permitted by Dominion Expl. & Prod., Inc. and has since transferred to Transpacific Energy LLC on the wellbore schedule.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Dominion Expl. & Prod., Inc.; the EWA schedule now lists a different operator.
Katy, TX · P-5 Y, filed Feb 4, 2026 · (832) 210-3384
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Transpacific Energy LLC |
| Production reports | Transpacific Energy, LLCthrough Apr 2026 |
| Latest permit | Dominion Expl. & Prod., Inc.Aug 14, 2003 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,600
- total depth, ft
- 2
- permits on file
- Aug 14, 2003
- last permit issued
- Sep 11, 2003
- completed
- 0
- cumulative oil, bbl
- 947K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Aug 2001 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Sep 11, 2003
- 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 |
|---|---|---|---|---|---|---|
| Buchholz, William R. G-4-188112 | Reina (Basal Queen City) | Transpacific Energy, LLC | 1 | 0 | 947K | Aug 2001 – Jul 2026 |
| Buchholz, William R. G-4-204556 | Wildcat | Transpacific Energy, LLC | 1 | 0 | 0 | Sep 2003 – Jul 2026 |
Gas, mcf lease total
Last 12 months 21,886 · prior 12 25,682(-15%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Dominion Expl. & Prod., Inc.Aug 2001 → Jul 2007
- 2XTO Energy Inc.Aug 2007 → Oct 2016
- 3Vantage Operating, LLCNov 2016 → Apr 2019
- 4Transpacific Energy, LLCMay 2019 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 535348-99 | Recompletion | Dominion Expl. & Prod., Inc. | Aug 14, 2003 | Aug 14, 2003 | Aug 14, 2003 | 7,930 |
| 506190-99 | Drill | Dominion Expl. & Prod., Inc. | Mar 7, 2001 | Mar 7, 2001 | Apr 11, 2001 | 8,600 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-188112 | — | — | — | — |
| — | — G-4-204556 | — | — | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,714 | 6,738 | Perforated |
| 7,188 | 7,328 | Perforated |
| 7,188 | 7,332 | Perforated |
| 7,701 | 7,742 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 16 | 42 | 20 | — |
| 9.625 | 254 | 12.25 | 815 S |
| 9.625 | 2,254 | 12.25 | 815 S |
| 7 | 6,535 | 8.75 | 1,015 S |
| 4.5 | 7,930 | 6.125 | 380 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 28, 2005 | Sep 30, 2003 | — |
| 00 | Feb 17, 2005 | Sep 30, 2003 | — |
| 00 | Dec 10, 2004 | — | — |
| 00 | Jun 3, 2002 | Oct 1, 2001 | Yes |
| 00 | Apr 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 42-427-33343 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-427-33343 → 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/42733343, documented in the API reference.