WELL · 42-461-30042 · DISTRICT 7

Mayhew #1

Plugged

Upton County · Sugarloaf (Grayburg) field · Horizontal · Sidetrack

Mayhew #1 (API 42-461-30042) is a plugged horizontal well in Upton County, plugged December 15, 2000, last operated by Emerald Systems Inc..

The RRC has issued one drilling permit (amended once), issued April 13, 1995, permitted to 2,288 ft.

Completion filings report one formation top, including Grayburg.

Its lease has reported 5.63K barrels of oil and 16 mcf of gas since January 1993, last reporting in July 2026. The lease carries 2 wells, so these are lease totals, not this well alone.

Operator of record

Emerald Systems Inc.

Fort Worth, TX · P-5 Y, filed Nov 3, 2000 · 2 permits on file

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedule	Emerald Systems Inc.
Production reports	Emerald Systems, Inc.through Nov 1997
Latest permit	Emerald Systems, Inc.Apr 13, 1995

2,288: total depth, ft
2: permits on file
Apr 13, 1995: last permit issued
Jul 20, 1995: completed
5.63K: cumulative oil, bbl
16: cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule: OFF SCHEDULE
Completed: Jul 20, 1995
Shut in: —
Plugged: Dec 15, 2000

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 2 wells in total, so volumes are shared.Why →

Lease	Field	Reporting operator	Wells	Oil, bbl	Gas, mcf	Reported
Mayhew O-9-5772	Sugarloaf (Grayburg)	Emerald Systems, Inc.	2	5.63K	16	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.

1Emerald Production CompanyJan 1993 → Aug 1994
2Emerald Systems, Inc.Sep 1994 → Nov 1997

Permits

Permit	Type	Operator	Received	Issued	Spud	Depth
434651-98	Recompletion · sidetrack	Emerald Systems, Inc.	May 10, 1995	Apr 13, 1995	Jun 19, 1995	2,288
434651-99	Recompletion · sidetrack	Emerald Systems, Inc.	Apr 7, 1995	Apr 13, 1995	—	2,288

Completions

Completed	Lease	Field	Operator	Status	Depth
—	— O-9-5772	—	—	—	—

Formation tops

As filed on W-2/G-1. Subsea from 2,709 ft elevation.Download CSV →

Formation	MD ft	Subsea
Grayburg	2,248	461

Perforations

Perforated and open-hole intervals.

From	To	Type
2,240	2,523	Perforated
2,271	2,287	Perforated

Casing

Strings as reported, shallowest first.

Casing in	Set at	Hole in	Cement
8.625	550	10	175 S
4.5	2,366	6.5	1 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	Jul 15, 2002	Sep 5, 1995	—
00	Jan 12, 1984	Feb 2, 1970	—

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 42-461-30042 → W-2, G-1, plugging reports, as PDFs
Completion packets for 42-461-30042 → scanned completion filings

Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. 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/46130042, documented in the API reference.