Petrora

WELL · 42-227-34954 · DISTRICT 8

Ziffle, Arnold 38 #1

N

Howard County  · Vertical

Ziffle, Arnold 38 #1 (API 42-227-34954) is a permitted well in Howard County filed by Ovintiv USA Inc.; no completion report is on file yet.

The RRC has issued 3 drilling permits (amended twice) between 1995 and 2020, permitted to 9,950 ft.

Completion filings report 5 formation tops, including Wolfcamp, Canyon, Mississippian, Fusselman.

Its 2 leases have reported 47.1K barrels of oil and 270K mcf of gas since December 1995, last reporting in July 2026. The leases carry 3 wells, so these are lease totals, not this well alone.

Operator of record

Ovintiv USA Inc.

Denver, CO · P-5 Y, filed Oct 4, 2025 · 1,390 permits on file · (877) 386-2200

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedulenone
Production reportsOvintiv USA Inc.through Jan 2026
Latest permitOvintiv USA Inc.Nov 4, 2020
9,950
total depth, ft
5
permits on file
Nov 4, 2020
last permit issued
—
completed
47.1K
cumulative oil, bbl
270K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Dec 1995 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
—
Shut in
—
Plugged
—

Surface location

32.388824, -101.448400

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Howard 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 3 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Ziffle, Arnold 38 O-10-38092B.C. (Dean)Ovintiv USA Inc.130.8K51.9KJul 2006 – Jul 2026
Ziffle, Arnold O-10-34793Talbot (Canyon)Costilla Energy, Inc.216.3K218KDec 1995 – Mar 2000

Gas, mcf lease total

Last 12 months 31 · prior 12 30(+3%)

02040202420252026

Oil, barrels lease total

Last 12 months 0 · prior 12 2(-100%)

012202420252026

Chain of custody

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

  1. 1Costilla Petroleum CorporationDec 1995 → Jan 1997
  2. 2Costilla Energy, Inc.Feb 1997 → Aug 1999
  3. 3Manhattan Petroleum, Inc.Jul 2006 → Feb 2009
  4. 4Element Petroleum Operating, LLCMar 2009 → Sep 2011
  5. 5Athlon FE Operating LLCOct 2011 → Dec 2013
  6. 6Athlon Holdings LPJan 2014 → Jan 2015
  7. 7Encana Oil & Gas(usa) Inc.Feb 2015 → Jan 2020
  8. 8Ovintiv USA Inc.Mar 2020 → Sep 2024

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
865897-99ReclassOvintiv USA Inc.Nov 2, 2020Nov 4, 2020—9,860
618740-97ReenterManhattan Petroleum, Inc.Jan 22, 2007May 5, 2006May 12, 20069,000
618740-98ReenterManhattan Petroleum, Inc.Nov 20, 2006May 5, 2006May 12, 20069,000
618740-99ReenterManhattan Petroleum, Inc.May 4, 2006May 5, 2006May 12, 20065,200
441408-99DrillCostilla Petroleum CorporationOct 31, 1995Oct 31, 1995Nov 1, 19959,950

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-34793————
—— O-10-38092————

Formation tops

As filed on W-2/G-1. Subsea from 2,664 ft elevation.Download CSV →

FormationMD ftSubsea
Wolfcamp7,227-4,563
CanyonCANYON REEF8,680-6,016
MississippianMISSISSIPPI9,470-6,806
Mississippian9,470-6,806
Fusselman9,760-7,096
Sylvan9,786-7,122

Perforations

Perforated and open-hole intervals.

FromToType
7,2207,304Perforated
7,2207,530Perforated
7,4407,530Perforated
7,6568,020Perforated
8,1788,188Perforated
8,1788,445Perforated
8,5528,562Perforated
8,6528,662Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37527517.5280 S
9.6253,36212.251,220 S
5.59,8607.875190 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 8, 2009Mar 17, 2008—
00May 30, 2007Jan 25, 2007Yes
00May 18, 2007——
00Feb 20, 1996Jan 8, 1996Yes
00Jan 23, 1996——

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). 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 →

Satnin 37-3642-227-40990

1.1 KM · Sabalo Operating, LLC · Section with this well →

Salado1,3341,326
Yates1,846814
Seven Rivers1,929731
Queen2,257403
San Andres3,236-576
Glorieta4,214-1,554
Clear Fork5,039-2,379
Spraberry5,793-3,133

12 TOPS · FIRST 8

Satnin 37-3642-227-40991

1.1 KM · Sabalo Operating, LLC · Section with this well →

Salado1,3151,345
Yates1,783877
Seven Rivers1,882778
Queen2,262398
Grayburg2,796-136
San Andres3,240-580
Glorieta4,216-1,556
Clear Fork5,023-2,363

10 TOPS · FIRST 8

Satnin 37-3642-227-41263

1.1 KM · Laredo Petroleum, Inc. · Section with this well →

Yates1,783878
Seven Rivers1,878783
San Andres3,207-546
Glorieta4,279-1,618
Clear Fork5,005-2,344
Spraberry6,860-4,199
Leonard—
Santa Rosa—

10 TOPS · FIRST 8

Satnin 37-3642-227-41275

1.1 KM · Laredo Petroleum, Inc. · Section with this well →

Salado1,3061,356
Yates1,781881
Seven Rivers1,881781
Queen2,255407
Grayburg2,799-137
San Andres3,215-553
Glorieta4,289-1,627
Clear Fork5,001-2,339

10 TOPS · FIRST 8

Satnin 37-3642-227-41262

1.1 KM · Laredo Petroleum, Inc. · Section with this well →

Salado1,3111,350
Yates1,781880
Seven Rivers1,884777
Queen2,253408
Grayburg2,810-149
San Andres3,204-543
Glorieta4,287-1,626
Clear Fork5,009-2,348

14 TOPS · FIRST 8

Shooter McGavin A42-227-42514

1.2 KM · SM Energy Company · Section with this well →

Santa Rosa5302,136
Rustler1,3141,352
Yates1,799867
Seven Rivers1,883783
San Andres3,338-672
Glorieta3,854-1,188
Clear Fork3,930-1,264
Leonard5,726-3,060

10 TOPS · FIRST 8

Shooter McGavin A42-227-42513

1.2 KM · SM Energy Company · Section with this well →

Santa Rosa5332,133
Rustler1,2991,367
Yates1,795871
Seven Rivers1,884782
San Andres3,340-674
Glorieta3,862-1,196
Clear Fork3,939-1,273
Leonard5,735-3,069

10 TOPS · FIRST 8

Shooter McGavin A42-227-42511

1.2 KM · SM Energy Company · Section with this well →

Santa Rosa5252,141
Rustler1,3001,366
Yates1,789877
Seven Rivers1,885781
San Andres3,341-675
Glorieta3,856-1,190
Clear Fork3,939-1,273
Leonard5,741-3,075

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/22734954, documented in the API reference.