WELL · 42-115-32499 · DISTRICT 8

Key (Spraberry) Unit #1

Plugged

Dawson County · Key (Spraberry Upper) field  · Vertical

Key (Spraberry) Unit #1 (API 42-115-32499) is a plugged well in Dawson County, plugged May 9, 2012, last operated by Great Western Drilling Company.

The RRC has issued one drilling permit (amended once), issued August 18, 1988, permitted to 8,800 ft.

It was permitted by Iron Horse Production and has since transferred to Great Western Drilling Company on the wellbore schedule.

Completion filings report 2 formation tops, including Spraberry, Jo Mill.

Its 2 leases have reported 50.5K barrels of oil and 133 mcf of gas since January 1993, last reporting in August 2015. The leases carry 9 wells, so these are lease totals, not this well alone.

Operator of record

Great Western Drilling Company

Permitted by Iron Horse Production; the EWA schedule now lists a different operator.

Midland, TX · P-5 Y, filed Feb 7, 2025 · 408 permits on file · (432) 664-6944

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleGreat Western Drilling Company
Production reportsGreat Western Drilling Companythrough Apr 2012
Latest permitIron Horse ProductionAug 18, 1988

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

8,800
total depth, ft
2
permits on file
Aug 18, 1988
last permit issued
Nov 27, 1988
completed
50.5K
cumulative oil, bbl
133
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Aug 2015

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Nov 27, 1988
Shut in
—
Plugged
May 9, 2012

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 2 leases this well is completed on; they carry 9 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Key (Spraberry) Unit O-11-66772Key (Spraberry, Upper)Great Western Drilling Company950.5K133Jan 1993 – Aug 2015
— O-11-66312——000—

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.

  1. 1Great Western Drilling CompanyJan 1993 → Apr 2012

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
350242-98DrillIron Horse ProductionSep 27, 1988Aug 18, 1988—8,800
350242-99DrillPenwell Energy, Inc.Aug 17, 1988Aug 18, 1988—8,800

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-11-66312————
—— O-11-66772————

Formation tops

As filed on W-2/G-1. Subsea from 2,936 ft elevation.Download CSV →

FormationMD ftSubsea
SpraberryUPPER SPRABERRY6,966-4,030
SpraberryMIDDLE SPRABERRY7,504-4,568
Jo Mill7,800-4,864

Perforations

Perforated and open-hole intervals.

FromToType
6,9666,982Perforated
7,5047,512Perforated
7,8007,815Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37532217.5350 S
8.6253,92511765 S
4.58,1966.75500 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
00Apr 1, 2002Feb 15, 2002—
00Mar 13, 1989Feb 2, 1989Yes
00Mar 2, 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 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/11532499, documented in the API reference.