WELL · 42-495-01330 · DISTRICT 8

East Keystone (San a Holt Unit) #178

Shut in

Winkler County · Keystone (Consolidated) field · Shut IN  · Vertical

East Keystone (San A Holt Unit) #178 (API 42-495-01330) is a well in Winkler County operated by Formentera Operations LLC, completed March 18, 1996 and listed as shut in on the RRC schedule, shut in November 1, 2015.

The RRC has issued one drilling permit, issued March 6, 1996, permitted to 8,310 ft.

It was permitted by Vista Resources, Inc. (A) and has since transferred to Formentera Operations LLC on the wellbore schedule.

Completion filings report one formation top, including Holt.

Its 3 leases have reported 2.05M barrels of oil and 3.05M mcf of gas since January 1993, last reporting in July 2026. The leases carry 187 wells, so these are lease totals, not this well alone.

Operator of record

Formentera Operations LLC

Permitted by Vista Resources, Inc. (A); the EWA schedule now lists a different operator.

Based in
Austin, TX
P-5 status
Active – Extension (X)
P-5 last filed
Jun 11, 2026
Permits on file
90
Phone
(512) 514-5779

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedulenone
Production reportsFormentera Operations LLCthrough Apr 2026
Latest permitVista Resources, Inc. (A)Mar 6, 1996
8,310
total depth, ft
1
permits on file
Mar 6, 1996
last permit issued
Mar 18, 1996
completed
2.05M
cumulative oil, bbl
3.05M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Mar 18, 1996
Shut in
Nov 1, 2015
Plugged
—

Operator's P-5 on the schedule: Active (A)

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 3 leases this well is completed on; they carry 187 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Waddell O-10-23120Keystone (San Andres)Formentera Operations LLC30502K1.14MJan 1993 – Jul 2026
East Keystone (San a Holt Unit) O-10-46985Keystone (Consolidated)Formentera Operations LLC76264K109KSep 2015 – Jul 2026
East Keystone(san a Holt Unit) O-10-36780Keystone (Holt)Merit Energy Company811.29M1.81MJan 2002 – Dec 2015

Oil, barrels lease total

Last 12 months 8,433 · prior 12 9,812(-14%)

01K2K202420252026

Gas, mcf lease total

Last 12 months 2,310 · prior 12 1,854(+25%)

0200400600202420252026

Chain of custody

Every operator that reported production on this well's lease, in order.

  1. 1McShane, J. Inc.Jan 1993 → Oct 1995
  2. 2Vista Resources, Inc. (A)Nov 1995 → Feb 2000
  3. 3Prize Operating CompanyMar 2000 → Mar 2002
  4. 4Gruy Petroleum Management Co.Apr 2002 → Apr 2006
  5. 5Cimarex Energy Co. of ColoradoMay 2006 → May 2013
  6. 6Merit Energy CompanyJan 2013 → Nov 2016
  7. 7Blackbeard Operating, LLCDec 2016 → May 2021
  8. 8Saddleback Exploration, LLCJun 2021 → Apr 2024
  9. 9Formentera Operations LLCMay 2024 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
445221-99RecompletionVista Resources, Inc. (A)Feb 26, 1996Mar 6, 1996Mar 10, 19965,480

Completions

CompletedLeaseFieldOperatorStatusDepth
Mar 18, 1996East Keystone (San a Holt Unit) O-10-46985Keystone (Consolidated)Formentera Operations LLCShut IN · shut in Nov 1, 20158,310
Mar 18, 1996Waddell O-10-23120Keystone (San Andres)Formentera Operations LLCNot on Schedule—
Mar 18, 1996East Keystone(san a Holt Unit) O-10-36780Keystone (Holt)Merit Energy CompanyNot on Schedule—
—Keystone Cattle Co. O-10-3332Keystone (Devonian)Pennzoil Exploration & Prod. Co.Plugged—

Formation tops

As filed on W-2/G-1. Subsea from 2,980 ft elevation.Download CSV →

FormationMD ftSubsea
Holt5,065-2,085

Perforations

Perforated and open-hole intervals.

FromToType
4,2434,678Perforated
5,0225,231Perforated
—4,503Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37525717.25250 S
9.6252,92912.251,160 S
9.6252,95012.251,160 S
2.8758,030——
78,1608.75920 S
78,3108.75920 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 →

SuffixFiledW-2 / G-1 dateLogs referenced
00Nov 4, 2015May 1, 1997Yes
00Jan 24, 2002May 1, 1997Yes
00Jun 4, 1997May 1, 1997Yes
00Jan 12, 1984Jun 28, 1962—
00Jan 12, 1984——

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.

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/49501330, documented in the API reference.