TEXAS · WELLS · WHARTON COUNTY · NILSON LEASE · API 42-481-32991 · DISTRICT 03
Nilson #1
Wharton County · El Campo NE (Yegua) field · Vertical
Nilson #1 (API 42-481-32991) is a plugged well in Wharton County, plugged February 22, 2002, last operated by Williams Clayton Energy Inc..
The RRC has issued one drilling permit, issued August 20, 1986, permitted to 11,000 ft.
It was permitted by Ladd Petroleum Corp. and has since transferred to Williams Clayton Energy Inc. on the wellbore schedule.
Completion filings report 3 formation tops, including Frio, Vicksburg, Yegua.
Operator of record
Permitted by Ladd Petroleum Corp.; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Delinquent (D)
- P-5 last filed
- Apr 11, 2017
- Permits on file
- 1,139
- Phone
- (281) 872-3100
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Williams Clayton Energy Inc. |
| Production reports | Williams, Clayton Energy, Inc.through Nov 2000 |
| Latest permit | Ladd Petroleum Corp.Aug 20, 1986 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 11,000
- total depth, ft
- 1
- permits on file
- Aug 20, 1986
- last permit issued
- Oct 4, 1986
- completed
- 0
- cumulative oil, bbl
- 169K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jun 2002
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Oct 4, 1986
- Shut in
- —
- Plugged
- Feb 22, 2002
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 |
|---|---|---|---|---|---|---|
| Nilson G-3-122374 | El Campo, NE (Yegua) | Williams, Clayton Energy, Inc. | 1 | 0 | 169K | Jan 1993 – Jun 2002 |
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 → Dec 1999
- 4Williams, Clayton Energy, Inc.Jan 2000 → Nov 2000
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 305417-99 | Drill | Ladd Petroleum Corp. | Aug 18, 1986 | Aug 20, 1986 | — | 11,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Oct 4, 1986 | Nilson G-3-122374 | El Campo NE (Yegua) | Williams Clayton Energy Inc. | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 100 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,015 | 10,044 | Perforated |
| 10,053 | 10,065 | Perforated |
| 10,070 | 10,098 | Perforated |
| 10,110 | 10,188 | Perforated |
| 10,196 | 10,234 | Perforated |
| 10,226 | 10,292 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 2,976 | 17.5 | 2,100 S |
| 9.625 | 8,384 | 12.25 | 470 S |
| 5.5 | 10,796 | 8.5 | 580 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 | Feb 18, 1987 | Oct 24, 1986 | Yes |
| 00 | Feb 13, 1987 | — | — |
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 42-481-32991 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-481-32991 → 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/48132991, documented in the API reference.