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TEXAS · WELLS · WARD COUNTY · API 42-475-33933 · DISTRICT 7B

Mag-Sealy (Yates) Unit #189

On schedule

Ward County · Magnolia Sealy field · Producing  · Vertical

Mag-Sealy (Yates) Unit #189 (API 42-475-33933) is a permitted well in Ward County filed by Stevens & Tull, Inc.; no completion report is on file yet.

The RRC has issued one drilling permit, issued February 22, 1989, permitted to 3,165 ft.

It was permitted by Stevens & Tull, Inc. and has since transferred to Westover Production CO. LLC on the wellbore schedule.

Completion filings report 2 formation tops, including Rustler, Yates.

Its 2 leases have reported 1.1M barrels of oil and 901K mcf of gas since the record begins in January 1993, last reporting volume in March 2026. The leases carry 140 wells, so these are lease totals, not this well alone.

Operator of record

Westover Production Co. LLC

Permitted by Stevens & Tull, Inc.; the EWA schedule now lists a different operator.

Based in
Kermit, TX
P-5 status
Active (A)
P-5 last filed
Jun 2, 2026
Phone
(432) 448-2667
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SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleWestover Production Co. LLC
Production reportsWestover Production Co., LLCthrough Mar 2026
Latest permitStevens & Tull, Inc.Feb 22, 1989

The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.

3,165
total depth, ft
1
permits on file
Feb 22, 1989
last permit issued
—
completed
1.1M
cumulative oil, bbl
901K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · ON RECORD FROM JAN 1993, THE RECORD'S FIRST MONTH, THROUGH MAR 2026

On this page2 formation topsLease production4 completions

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
—
Shut in
—
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.

Wells nearby

Every well with a location on file around this well, in any state, nearest first.

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Texas locations come from drilling permits, so most older Texas wells have none and are not listed.

Lease production

PDQ LEASE REPORTS · REPORTED THROUGH APR 2026

Texas reports oil by lease, not by well. These are the 2 leases this well is completed on; they carry 140 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Mag-Sealy (Yates) Unit O-10-34970Magnolia SealyWestover Production Co., LLC961.02M773KJul 1996 – Mar 2026
Sealy 43 O-10-32232Magnolia SealyParker & Parsley Development L.P4483.6K128Kby Jan 1993 – Jun 1996

Oil, barrels lease total

Last 12 months 10,400 · prior 12 10,834(-4%)

01K2K202420252026

Wells named Mag-Sealy (Yates) Unit

Westover Production Co. LLC's other wells filed under this lease name in Ward County, newest permit first. The RRC gives a gas well its own lease number, so the name is what joins the wells of a unit.

Loading the lease's wells

Chain of custody

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

  1. 1Stevens & Tull, Inc.Jan 1993 → Mar 1995
  2. 2Parker & Parsley Development L.PApr 1995 → Aug 1997
  3. 3Pioneer Natural Res. USA, Inc.Sep 1997 → Jun 1999
  4. 4Prize Operating CompanyJul 1999 → Mar 2002
  5. 5Gruy Petroleum Management Co.Apr 2002 → Apr 2006
  6. 6Cimarex Energy Co. of ColoradoMay 2006 → Nov 2006
  7. 7Quantum Resources Management,llcDec 2006 → Dec 2014
  8. 8Breitburn Operating L.P.Jan 2015 → Dec 2018
  9. 9Westover Production Co., LLCJan 2019 → Mar 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
356233-99DrillStevens & Tull, Inc.Feb 21, 1989Feb 22, 1989Mar 14, 19893,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—Mag-Sealy (Yates) Unit O-10-34970Magnolia SealyWestover Production Co. LLCProducing3,165
Apr 27, 1989Sealy 43 O-10-32232Magnolia SealyParker & Parsley Development L.PNot on Schedule—
Apr 27, 1989Sealy 43 O-10-32232Magnolia SealyParker & Parsley Development L.PNot on Schedule—
Apr 27, 1989Sealy 43 O-10-32232Magnolia SealyParker & Parsley Development L.PNot on Schedule—

Formation tops

As filed on W-2/G-1. Subsea from 2,646 ft elevation.Download CSV →

FormationMD ftSubsea
Rustler1,812834
Yates2,670-24

Perforations

Perforated and open-hole intervals.

FromToType
2,6722,715Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.6251,05612.25500 S
5.53,1607.875550 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →

SuffixRRC record dateW-2 / G-1 dateLogs referenced
00Jul 19, 1996——
00Apr 8, 1996——
00Mar 22, 1996May 3, 1989Yes
00Jan 13, 1995May 3, 1989Yes
00May 17, 1989May 3, 1989Yes
00May 9, 1989——

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 filed since 2004 open from the RRC's log search for this well; none are loaded here for it. The University Lands library has no per-well link: then paste it into its search.

Find logs withinmiles of this well:List →Map →

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/47533933, documented in the API reference.