TEXAS · WELLS · UPTON COUNTY · O-9-10955 LEASE · API 42-461-31420 · DISTRICT 6E

Amacker 57 #1

Plugged

Upton County · Spraberry (Trend Area) field · Vertical

Amacker 57 #1 (API 42-461-31420) is a plugged well in Upton County, plugged March 10, 1992, last operated by Cox John L..

The RRC has issued 2 drilling permits between 1979 and 1984, permitted to 10,500 ft.

Completion filings report 4 formation tops, including Red Beds, San Andres, Spraberry, Bend.

Operator of record

Cox John L.

Based in: Midland, TX
P-5 status: Inactive (I)
P-5 last filed: Mar 21, 2003
Permits on file: 1,123
Phone: (432) 682-9435

Watch this operator Watch Upton County

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedule	Cox John L.
Production reports	none
Latest permit	Cox, John L.Sep 26, 1984

10,500: total depth, ft
2: permits on file
Sep 26, 1984: last permit issued
Sep 28, 1984: completed
0: cumulative oil, bbl
0: cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS

Regulatory status · RRC wellbore file

Schedule: OFF SCHEDULE
Completed: Sep 28, 1984
Shut in: —
Plugged: Mar 10, 1992

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
— O-9-10955	—	—	0	0	0	—

No volumes reported on these leases in the last three years.

Permits

Permit	Type	Operator	Received	Issued	Spud	Depth
252875-99	Recompletion	Cox, John L.	Aug 27, 1984	Sep 26, 1984	—	10,300
44531-99	Drill	Cox, John L.	Mar 16, 1979	Mar 16, 1979	—	10,500

Completions

Completed	Lease	Field	Operator	Status	Depth
Sep 28, 1984	Amacker 57 O-9-10955	Spraberry (Trend Area)	Cox John L.	Plugged	—
Sep 10, 1979	Amacker 57 O-9-7998	Old Upland (Bend)	Cox John L.	Plugged	—

Formation tops

As filed on W-2/G-1. Subsea from 2,622 ft elevation.Download CSV →

Formation	MD ft	Subsea
Red Beds	420	2,202
San Andres	4,450	-1,828
SpraberryUPPER SPRABERRY	6,620	-3,998
SpraberryLOWER SPRABERRY	7,370	-4,748
Bend	10,157	-7,535

Perforations

Perforated and open-hole intervals.

From	To	Type
6,628	6,976	Perforated
7,370	7,880	Perforated
10,157	10,204	Perforated

Casing

Strings as reported, shallowest first.

Casing in	Set at	Hole in	Cement
12.75	460	17	450 S
8.625	4,544	11	500 S
2	9,610	—	—
5.5	10,350	7.875	1,100 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 →

Filed	W-2 / G-1 date	Logs referenced
Nov 5, 1984	Oct 12, 1984	—
Oct 18, 1984	—	—
Jan 12, 1984	Oct 2, 1979	—

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 42-461-31420 → W-2, G-1, plugging reports, as PDFs
Completion packets for 42-461-31420 → 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/46131420, documented in the API reference.