TEXAS · WELLS · WHARTON COUNTY · CARLQUIST UNIT LEASE · API 42-481-33267 · DISTRICT 03
Carlquist Unit #1
Wharton County · El Campo (D-3 Yegua) field · Vertical
Carlquist Unit #1 (API 42-481-33267) is a plugged well in Wharton County, plugged September 28, 2021, last operated by Hilcorp Energy Company.
The RRC has issued one drilling permit, issued June 1, 1989, permitted to 10,900 ft.
It was permitted by Ladd Petroleum Corp. and has since transferred to Hilcorp Energy Company on the wellbore schedule.
Completion filings report 4 formation tops, including Frio, Vicksburg, Jackson, Yegua.
Operator of record
Permitted by Ladd Petroleum Corp.; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Mar 27, 2026
- Permits on file
- 3,454
- Phone
- (713) 209-2400
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Hilcorp Energy Company |
| Production reports | Forest Oil Corporationthrough Aug 2007 |
| Latest permit | Ladd Petroleum Corp.Jun 1, 1989 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,900
- total depth, ft
- 1
- permits on file
- Jun 1, 1989
- last permit issued
- Jul 6, 1989
- completed
- 0
- cumulative oil, bbl
- 25.5K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Sep 2021
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jul 6, 1989
- Shut in
- —
- Plugged
- Sep 28, 2021
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 lease this well is completed on; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Carlquist Unit G-3-131383 | El Campo (D-3 Yegua) | Hilcorp Energy Company | 1 | 0 | 25.5K | Jan 1993 – Sep 2021 |
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.
- 1Amax Oil & Gas Inc.Jan 1993 → Mar 1994
- 2Union Pacific Resources CompanyApr 1994 → Dec 1994
- 3S N D Energy Company, Inc.Jan 1995 → Jun 1995
- 4Forest Oil CorporationOct 2006 → Aug 2007
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 359946-99 | Drill | Ladd Petroleum Corp. | Jun 1, 1989 | Jun 1, 1989 | Jun 5, 1989 | 10,900 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Jul 6, 1989 | Carlquist Unit G-3-131383 | El Campo (D-3 Yegua) | Hilcorp Energy Company | Plugged | — |
Formation tops
As filed on W-2/G-1. Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,908 | 9,958 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 2,615 | 17.5 | 1,430 S |
| 9.625 | 7,058 | 12.25 | 487 S |
| 5.5 | 10,700 | 8.25 | 642 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 | Aug 21, 1989 | Aug 1, 1989 | Yes |
| 00 | Aug 8, 1989 | — | — |
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 42-481-33267 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-481-33267 → 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/48133267, documented in the API reference.