WELL · 42-055-34502 · DISTRICT 1

Nelson-Fielder #4

Nelson-Fielder #4 (API 42-055-34502) is a permitted well in Caldwell County filed by Nelson, Roy K. & CO.; no completion report is on file yet.

The RRC has issued 2 drilling permits between 1985 and 1990, permitted to 2,600 ft.

Completion filings report 3 formation tops, including Dale Lime, Serptine, Chalk.

Its lease has reported 17.2K barrels of oil and 30.3K mcf of gas since January 1993, last reporting in July 2026. The lease carries 4 wells, so these are lease totals, not this well alone.

Operator of record

Nelson, Roy K. & Co.

Arlington, TX · P-5 Y, filed Apr 7, 1995 · 4 permits on file

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedule	none
Production reports	USA Superior Energy LLCthrough Jul 2007
Latest permit	Nelson, Roy K. & Co.May 9, 1990

2,600: total depth, ft
2: permits on file
May 9, 1990: last permit issued
—: completed
17.2K: cumulative oil, bbl
30.3K: cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule: OFF SCHEDULE
Completed: —
Shut in: —
Plugged: —

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; they carry 4 wells in total, so volumes are shared.Why →

Lease	Field	Reporting operator	Wells	Oil, bbl	Gas, mcf	Reported
Nelson-Fielder O-1-9891	Buchanan	Foyoro Energy, LLC	4	17.2K	30.3K	Jan 1993 – Jul 2026

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.

1Nelson, Roy K. & Co.Jan 1993 → Jul 1995
2Nelson OilAug 1995 → Nov 1995
3R & S Oil Production Co.Dec 1995 → Feb 2006
4Rayalto Oil & Gas, Inc.Jul 2002 → Mar 2003
5Orbis Operating, LLCMar 2006 → Jan 2007
6USA Superior Energy LLCFeb 2007 → Jul 2007

Permits

Permit	Type	Operator	Received	Issued	Spud	Depth
373058-99	Drill	Nelson, Roy K. & Co.	May 8, 1990	May 9, 1990	—	2,600
282360-99	Drill	Blacketer-Nelson	Aug 13, 1985	Aug 13, 1985	—	2,500

Completions

Completed	Lease	Field	Operator	Status	Depth
—	— O-1-9891	—	—	—	—

Formation tops

As filed on W-2/G-1. Download CSV →

Formation	MD ft
Dale Lime	1,933
Serptine	1,935
Chalk	2,170

Perforations

Perforated and open-hole intervals.

From	To	Type
2,240	2,290	Perforated

Casing

Strings as reported, shallowest first.

Casing in	Set at	Hole in	Cement
5.5	2,343	7.875	335 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	Sep 17, 1990	Aug 21, 1990	Yes
00	Sep 5, 1990	—	—

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 42-055-34502 → W-2, G-1, plugging reports, as PDFs
Completion packets for 42-055-34502 → 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/05534502, documented in the API reference.