WELL · 42-227-34525 · DISTRICT 8

Chalk Owen #57

N

Howard County · Howard-Glasscock (Wolfcamp 7400) field  · Vertical

Chalk Owen #57 (API 42-227-34525) is a well in Howard County operated by Citation Oil & Gas Corp., completed March 28, 1990.

The RRC has issued 2 drilling permits between 1990 and 2018, permitted to 7,800 ft.

Completion filings report 12 formation tops, including Tansill, Yates, Seven Rivers, Queen.

Its 2 leases have reported 635K barrels of oil and 348K mcf of gas since January 1993, last reporting in July 2026. The leases carry 37 wells, so these are lease totals, not this well alone.

Operator of record

Citation Oil & Gas Corp.

Houston, TX · P-5 Y, filed Mar 4, 2026 · 866 permits on file · (281) 891-1000

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleCitation Oil & Gas Corp.
Production reportsCitation Oil & Gas Corp.through Apr 2026
Latest permitCitation Oil & Gas Corp.Oct 9, 2018
7,800
total depth, ft
2
permits on file
Oct 9, 2018
last permit issued
Mar 28, 1990
completed
635K
cumulative oil, bbl
348K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Mar 28, 1990
Shut in
—
Plugged
—

Surface location

32.125735, -101.264270

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

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Chalk, Owen O-10-21650Howard-Glasscock (Wolfcamp 7400)Citation Oil & Gas Corp.734.7K156KJan 1993 – Jul 2026
Owen-Chalk O-10-41222Howard Glasscock (Consolidated)Citation Oil & Gas Corp.30600K191KDec 2011 – Jul 2026

Oil, barrels lease total

Last 12 months 23,668 · prior 12 27,985(-15%)

01K2K3K202420252026

Gas, mcf lease total

Last 12 months 16,102 · prior 12 29,298(-45%)

02K4K202420252026

Chain of custody

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

  1. 1Conoco Inc.Jan 1993 → Dec 2002
  2. 2Conocophillips CompanyJan 2003 → Jan 2018
  3. 3Citation Oil & Gas Corp.Feb 2018 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
845035-99RecompletionCitation Oil & Gas Corp.Sep 25, 2018Oct 9, 2018—7,800
369762-99DrillMobil Producing TX. & N.M. Inc.Feb 12, 1990Feb 13, 1990Feb 24, 19907,800

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-21650————
—— O-10-41222————

Formation tops

As filed on W-2/G-1. Subsea from 2,430 ft elevation.Download CSV →

FormationMD ftSubsea
Tansill1,0791,351
Yates1,1851,245
Seven Rivers1,2691,161
Queen1,453977
Grayburg1,749681
San Andres2,078352
Glorieta2,595-165
Clear ForkCLEARFORK2,987-557
Tubb3,610-1,180
Wichita-AlbanyWICHITA ALBANY4,209-1,779
Wolfcamp5,340-2,910
Canyon7,662-5,232

Perforations

Perforated and open-hole intervals.

FromToType
2,0402,067Perforated
2,0802,560Perforated
2,6222,965Perforated
3,0543,551Perforated
3,6304,119Perforated
7,4287,458Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37528017.5265 S
8.6253,11612.251,400 S
5.57,7037.8751,200 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
00Jul 9, 2019Apr 29, 2019—
00Jul 6, 1990Jun 8, 1990Yes
00Jun 26, 1990——

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 →

Owen-Chalk42-227-39746

0.4 KM · Citation Oil & Gas Corp. · Section with this well →

Yates1,2201,226
Seven Rivers1,3061,140
San Andres2,102344
Glorieta2,633-187
Clear Fork3,018-572
Coleman Junction—
Wolfcamp—
Spraberry—

10 TOPS · FIRST 8

Chalk, G. O.42-227-39747

0.9 KM · Citation Oil & Gas Corp. · Section with this well →

Tansill1,127
Yates1,231
Seven Rivers1,321
Queen1,508
Grayburg1,809
San Andres2,117
Glorieta2,642
Clear Fork2,990

10 TOPS · FIRST 8

Chalk, Sloan42-227-39694

1.2 KM · Citation Oil & Gas Corp. · Section with this well →

Tansill1,043
Yates1,168
Seven Rivers1,257
Queen1,452
Grayburg1,758
San Andres2,063
San Andres2,212
Glorieta2,583

10 TOPS · FIRST 8

Chalk, G. O.42-227-39678

1.4 KM · Rover Petroleum Operating, LLC · Section with this well →

Yates1,1681,257
Seven Rivers1,2541,171
San Andres2,052373
Glorieta2,634-209
Clear Fork2,902-477
Spraberry—
Coleman Junction—
Dean—

10 TOPS · FIRST 8

Chalk, G. O.42-227-39674

1.4 KM · Rover Petroleum Operating, LLC · Section with this well →

Atoka—
Pennsylvanian—
Wolfcamp—
Strawn—
Mississippian—
Leonard—
Ellenburger—
Dean—

10 TOPS · FIRST 8

Horace Garrett Estate et AL42-227-34405

1.5 KM · Partee Drilling Inc. · Section with this well →

Rustler1,1601,322
Yates1,1601,322
Seven Rivers1,3881,094
Queens1,675807
Glorieta1,740742
San Andres1,885597
Clear Fork2,890-408
Clear Fork2,970-488

15 TOPS · FIRST 8

Chalk, G. O.-G-42-227-30772

1.5 KM · Citation Oil & Gas Corp. · Section with this well →

Yates1,2321,238
Seven Rivers1,3221,148
San Andres2,124346
Glorieta2,662-192
Clear Fork2,972-502
Leonard—
Wolfcamp—
Spraberry—

10 TOPS · FIRST 8

Chalk, G. O.42-227-39867

1.6 KM · Rover Petroleum Operating, LLC · Section with this well →

Seven Rivers1,3011,129
San Andres2,062368
Glorieta2,650-220
Clear Fork2,929-499
Wolfcamp—
Cisco—
Spraberry—
Coleman Junction—

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/22734525, documented in the API reference.