WELL · 42-495-31892 · DISTRICT 8

Keystone "20" #1

Keystone "20" #1 (API 42-495-31892) is a permitted well in Winkler County filed by Tiburon Petroleum Corporation; no completion report is on file yet.

The RRC has issued 2 drilling permits in 1985, permitted to 11,000 ft.

Completion filings report 6 formation tops, including San Andres, Devonian, Fusselman, McKee.

Its lease has reported 9.12K barrels of oil and 56.6K mcf of gas since January 1993, last reporting in July 2026.

Operator of record

Tiburon Petroleum Corporation

Midland, TX · P-5 Y, filed Jan 13, 1987 · 109 permits on file

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedule	none
Production reports	Mineral Technologies, Inc.through Mar 2008
Latest permit	Tiburon Petroleum CorporationFeb 15, 1985

11,000: total depth, ft
2: permits on file
Feb 15, 1985: last permit issued
—: completed
9.12K: cumulative oil, bbl
56.6K: 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; this well is the only one on it.Why →

Lease	Field	Reporting operator	Wells	Oil, bbl	Gas, mcf	Reported
Keystone -20- O-10-30077	Kermit (Fusselman)	Mineral Technologies, Inc.	1	9.12K	56.6K	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.

1Hillin-Simon Oil CompanyJan 1993 → Feb 1998
2Mineral Technologies, Inc.Mar 1998 → Mar 2008

Permits

Permit	Type	Operator	Received	Issued	Spud	Depth
266994-99	Drill	Tiburon Petroleum Corporation	Feb 12, 1985	Feb 15, 1985	—	11,000
266991-99	Drill	Tiburon Petroleum Corporation	Feb 4, 1985	Feb 15, 1985	—	11,000

Completions

Completed	Lease	Field	Operator	Status	Depth
—	— O-10-30077	—	—	—	—

Formation tops

As filed on W-2/G-1. Subsea from 2,923 ft elevation.Download CSV →

Formation	MD ft	Subsea
San Andres	3,956	-1,033
Devonian	8,202	-5,279
Fusselman	8,716	-5,793
McKee	9,986	-7,063
Waddell	10,320	-7,397
Ellenburger	10,580	-7,657

Perforations

Perforated and open-hole intervals.

From	To	Type
8,340	9,080	Perforated

Casing

Strings as reported, shallowest first.

Casing in	Set at	Hole in	Cement
13.375	937	17.5	824 S
8.625	3,892	11	2,316 S
5.5	10,647	7.875	2,210 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 25, 1985	Aug 27, 1985	—
00	Sep 17, 1985	—	—

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 42-495-31892 → W-2, G-1, plugging reports, as PDFs
Completion packets for 42-495-31892 → 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/49531892, documented in the API reference.