WELL · 42-115-33781 · DISTRICT 8

Patricia West Spraberry Unit #303

N

Dawson County · Patricia West (Spraberry) field  · Vertical

Patricia West Spraberry Unit #303 (API 42-115-33781) is a well in Dawson County operated by Estancia Oil & Gas LLC, completed June 30, 2020.

The RRC has issued one drilling permit (amended once), issued September 6, 2018, permitted to 8,500 ft.

Completion filings report 10 formation tops, including Yates, San Andres, Spraberry, Canyon.

Its 2 leases have reported 489K barrels of oil and 143K mcf of gas since January 1993, last reporting in July 2026. The leases carry 19 wells, so these are lease totals, not this well alone.

Operator of record

Estancia Oil & Gas LLC

Austin, TX · P-5 Y, filed Jul 4, 2026 · 37 permits on file · (432) 528-3926

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleEstancia Oil & Gas LLC
Production reportsEstancia Oil & Gas, LLCthrough Mar 2026
Latest permitEstancia Oil & Gas, LLCSep 6, 2018
8,500
total depth, ft
2
permits on file
Sep 6, 2018
last permit issued
Jun 30, 2020
completed
489K
cumulative oil, bbl
143K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Jun 30, 2020
Shut in
—
Plugged
—

Surface location

32.551744, -102.116936

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Dawson County.

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 19 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Patricia West (Spraberry) Unit O-10-57537Spraberry (Trend Area)Estancia Oil & Gas, LLC9104K20.3KJul 2022 – Jul 2026
Patricia West Spraberry Unit O-11-19810Patricia, West (Spraberry)Estancia Oil & Gas, LLC10385K122KJan 1993 – Oct 2022

Oil, barrels lease total

Last 12 months 19,135 · prior 12 25,102(-24%)

02K4K202420252026

Gas, mcf lease total

Last 12 months 2,864 · prior 12 6,028(-52%)

05001K1.5K202420252026

Chain of custody

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

  1. 1Bridge Oil Company, L. P.Jan 1993 → Sep 1994
  2. 2Parker & Parsley Development L.POct 1994 → Jan 1995
  3. 3Parker & Parsley Producing L.P.Feb 1995 → Jan 1997
  4. 4Honeck Oil CompanyFeb 1997 → Apr 2007
  5. 5Concho Resources Inc.Feb 1998 → Jun 2001
  6. 6Devon Energy Production Co, L.P.Jul 2001 → Jun 2002
  7. 7Jetta Operating Company, Inc.Jul 2002 → Aug 2002
  8. 8Honeck Oil Company, LPMay 2007 → Dec 2010
  9. 9Estancia Oil & Gas, LLCJan 2011 → Mar 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
843921-98DrillEstancia Oil & Gas, LLCJul 19, 2019Sep 6, 2018Nov 25, 20188,500
843921-99DrillEstancia Oil & Gas, LLCAug 23, 2018Sep 6, 2018Nov 25, 20188,500

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-11-19810————
—— O-10-57537————

Formation tops

As filed on W-2/G-1. Subsea from 2,911 ft elevation.Download CSV →

FormationMD ftSubsea
Yates2,85061
San AndresSAN ANDRES - ACTIVE CO2 FLOOD; H4,310-1,399
Spraberry8,110-5,199
Canyon——
Dean——
Devonian——
Mississippian——
Pennsylvanian——
Silurian (undifferentiated)SILURIAN——
Wolfcamp——

Perforations

Perforated and open-hole intervals.

FromToType
8,3478,378Perforated
8,4708,481Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37543517.5495 S
8.6254,580111,050 S
5.58,5237.875250 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
00Sep 28, 2022Sep 24, 2020Yes
00Sep 29, 2020Sep 24, 2020Yes
00Jan 15, 2020Aug 21, 2019—
00Oct 1, 2019Jun 21, 2019Yes

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.

Nearby wells and their tops

NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM

Draw a cross-section

This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.

Open the cross-section →

Patricia West (Spraberry) Unit42-115-33910

0.4 KM · Estancia Oil & Gas, LLC · Section with this well →

Yates2,85156
San Andres4,315-1,408
Spraberry8,115-5,208
Devonian—
Mississippian—
Silurian (undifferentiated)—
Pennsylvanian—
Canyon—

10 TOPS · FIRST 8

Patricia Lands42-115-33678

0.6 KM · Diamondback E&P LLC · Section with this well →

Yates2,84175
San Andres4,331-1,415
Spraberry8,085-5,169
Dean9,374-6,458
Wolfcamp9,492-6,576
Canyon—
Silurian (undifferentiated)—
Pennsylvanian—

10 TOPS · FIRST 8

Rip VW 18-842-115-33875

0.9 KM · Burleson Petroleum, Inc. · Section with this well →

San Andres4,277-1,334
Spraberry7,679-4,736
Dean—
Wolfcamp—
Silurian (undifferentiated)—
Pennsylvanian—
Mississippian—
Fusselman—

10 TOPS · FIRST 8

Patricia West (Spraberry) Unit42-115-33784

1.0 KM · Estancia Oil & Gas, LLC · Section with this well →

Yates2,84073
San Andres4,300-1,387
Spraberry8,100-5,187
Dean—
Devonian—
Fusselman—
Wolfcamp—
Pennsylvanian—

11 TOPS · FIRST 8

Midleton 17-742-115-33832

1.2 KM · Burleson Petroleum, Inc. · Section with this well →

Yates2,84067
San Andres4,292-1,385
Spraberry7,694-4,787
Devonian—
Mississippian—
Pennsylvanian—
Silurian (undifferentiated)—
Wolfcamp—

10 TOPS · FIRST 8

Rip VW 8-842-115-33989

2.3 KM · Burleson Petroleum, Inc. · Section with this well →

Yates2,89845
San Andres4,691-1,748
Spraberry8,086-5,143
Dean9,358-6,415
Wolfcamp9,551-6,608
Mississippian—
Canyon—
Devonian—

10 TOPS · FIRST 8

Oakmont a Unit42-115-33954

2.5 KM · EOG Resources, Inc. · Section with this well →

Canyon—
Dean—
Devonian—
Mississippian—
Pennsylvanian—
San Andres—
Silurian (undifferentiated)—
Spraberry—

10 TOPS · FIRST 8

Bluebonnet B Unit L42-115-33953

2.5 KM · EOG Resources, Inc. · Section with this well →

Yates2,823106
San Andres4,234-1,305
Clear Fork6,463-3,534
Spraberry7,993-5,064
Devonian—
Wolfcamp—
Pennsylvanian—
Canyon—

10 TOPS · FIRST 8

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/11533781, documented in the API reference.