WELL · 42-475-34494 · DISTRICT 8

Warwink University 18-34 B #2H

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Ward County · War-Wink W. (Wolfcamp) field  · Horizontal

Warwink University 18-34 B #2H (API 42-475-34494) is a horizontal well in Ward County operated by Callon Petroleum Operating CO, completed June 14, 2007.

The RRC has issued 3 drilling permits between 1997 and 2018, permitted to 12,650 ft.

Completion filings report 6 formation tops, including Rustler, T/Delaware, Mananita Marker, Brushy Canyon.

Its 2 leases have reported 1.06M barrels of oil and 1.91M mcf of gas since August 1997, last reporting in July 2026. The leases carry 11 wells, so these are lease totals, not this well alone.

Operator of record

Callon Petroleum Operating Co

Houston, TX · P-5 Y, filed Jul 4, 2025 · 1,234 permits on file · (713) 296-6000

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleCallon Petroleum Operating Co
Production reportsCallon Petroleum Operating Cothrough Dec 2021
Latest permitCallon Petroleum Operating CoNov 30, 2018
12,650
total depth, ft
3
permits on file
Nov 30, 2018
last permit issued
Jun 14, 2007
completed
1.06M
cumulative oil, bbl
1.91M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Aug 1997 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Jun 14, 2007
Shut in
—
Plugged
—

Surface location

31.610650, -103.303117

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Ward 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 11 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Warwink University 18-34 'B' O-10-50949Phantom (Wolfcamp)Apache Corporation45.04K198Dec 2018 – Jul 2026
Warwink University 18-34 'B' O-10-35475War-Wink, W. (Wolfcamp)Callon Petroleum Operating Co71.05M1.91MAug 1997 – Apr 2019

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. 1Pioneer Natural Res. USA, Inc.Aug 1997 → Jun 1999
  2. 2Prize Operating CompanyJul 1999 → Mar 2002
  3. 3Gruy Petroleum Management Co.Apr 2002 → Apr 2006
  4. 4Cimarex Energy Co. of ColoradoMay 2006 → May 2018
  5. 5Callon Petroleum Operating CoSep 2018 → Dec 2021

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
847137-99Field transferCallon Petroleum Operating CoNov 27, 2018Nov 30, 2018Jan 25, 200711,519
627379-99RecompletionCimarex Energy Co. of ColoradoOct 11, 2006Jan 22, 2007Jan 25, 200712,650
464339-99DrillParker & Parsley Development L.PJun 27, 1997Jun 27, 1997Jul 13, 199711,800

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-35475————
—— O-10-35475————
—— O-10-50949————

Formation tops

As filed on W-2/G-1. Subsea from 2,818 ft elevation.Download CSV →

FormationMD ftSubsea
Rustler8122,006
T/Delaware5,120-2,302
Mananita Marker6,347-3,529
Brushy Canyon7,395-4,577
Bone Spring8,700-5,882
Bone Spring8,830-6,012
Bone Spring3RD BONE SPRING10,800-7,982
Bone Spring3RD BONE SPRING10,870-8,052
Bone Spring3RD BONE SPRING (POR)11,405-8,587
Wolfcamp11,405-8,587
Wolfcamp11,545-8,727

Perforations

Perforated and open-hole intervals.

FromToType
11,10412,549Perforated
11,45611,542Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
11.7579014.75450 S
8.6255,03011676 S
5.511,3007.8751,325 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
00Jan 16, 2019Dec 5, 2018Yes
00Jan 9, 2008Jun 25, 2007Yes
00Dec 21, 2007——
00Mar 2, 1998Oct 24, 1997Yes
00Feb 19, 1998——

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 →

Warwink University 18-34 'B'42-475-34548

0.6 KM · Pioneer Natural Res. USA, Inc. · Section with this well →

B/Salt5,000-2,194
Ramsey5,150-2,344
Manzinita Marker6,300-3,494
Brushy Canyon7,500-4,694
Bone Spring8,700-5,894
T/Bone-Sprg8,700-5,894
T/3RD Bone Sprg Sd.10,800-7,994
T 3RD Bone Spring10,800-7,994

11 TOPS · FIRST 8

Warwink University 18-34 'B'42-475-34516

0.6 KM · Pioneer Natural Res. USA, Inc. · Section with this well →

T/Delaware5,123
Delaware5,123
T/Manzinita6,322
Manzinita6,322
Brushy Canyon7,368
T/Brushy Canyon7,368
Bone Spring8,800
T/Bone Spgs8,800

10 TOPS · FIRST 8

Warwink University 18-34 'B'42-475-34483

0.7 KM · Parker & Parsley Development L.P · Section with this well →

Rustler8231,975
T/Delaware5,120-2,322
Manzanita Marker6,340-3,542
Brushy Canyon7,398-4,600
Bone Spring8,700-5,902
Bone Spring10,800-8,002
Wolfcamp11,020-8,222

UL 18 33-32F42-475-38852

0.8 KM · Apache Corporation · Section with this well →

Delaware5,166-2,345
Cherry Canyon6,105-3,284
Brushy Canyon7,528-4,707
Bone Spring8,437-5,616
Bone Spring10,149-7,328
Bone Spring10,525-7,704
Wolfcamp11,612-8,791
Yates—

10 TOPS · FIRST 8

UL 18 33-32E42-475-38851

0.8 KM · Apache Corporation · Section with this well →

Delaware5,174-2,353
Yates—
Seven Rivers—
San Andres—
Rustler—
Queen—
Holt—
Glorieta—

10 TOPS · FIRST 8

UL 18 33-32C42-475-38849

0.8 KM · Apache Corporation · Section with this well →

Cherry Canyon6,125-3,304
Brushy Canyon7,531-4,710
Bone Spring8,440-5,619
Bone Spring10,137-7,316
Bone Spring10,558-7,737
Tubb—
Wichita-Albany—
Wolfcamp—

10 TOPS · FIRST 8

Warwink University 18-33 'B'42-475-34517

0.8 KM · Pioneer Natural Res. USA, Inc. · Section with this well →

Delaware5,129-2,302
Manzanita MKR6,296-3,469
Brushy Canyon7,355-4,528
Bone Spring8,811-5,984
Bone Spgs8,811-5,984
Bone Spring11,378-8,551
3RD Bond Spgs Sd.11,378-8,551
Wolfcamp11,508-8,681

UL 18 33-32A42-475-38847

0.8 KM · Apache Corporation · Section with this well →

Delaware5,174-2,354
Yates—
Seven Rivers—
San Andres—
Rustler—
Queen—
Holt—
Glorieta—

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/47534494, documented in the API reference.