WELL · 42-227-34048 · DISTRICT 8

Chalk Sloan #25

N

Howard County · Howard-Glasscock (Glorieta) field  · Vertical

Chalk Sloan #25 (API 42-227-34048) is a well in Howard County operated by Conocophillips Company, completed August 22, 1986.

The RRC has issued 2 drilling permits between 1986 and 2011, permitted to 3,200 ft.

Completion filings report 7 formation tops, including Yates, Seven Rivers, Queen, Grayburg.

Its 2 leases have reported 465K barrels of oil and 136K mcf of gas since January 1993, last reporting in July 2026. The leases carry 27 wells, so these are lease totals, not this well alone.

Operator of record

Conocophillips Company

Based in
Midland, TX
P-5 status
Active (A)
P-5 last filed
Feb 3, 2026
Permits on file
3,290
Phone
(432) 683-7443

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleConocophillips Company
Production reportsCitation Oil & Gas Corp.through Apr 2026
Latest permitConocophillips CompanyNov 18, 2011

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

3,200
total depth, ft
2
permits on file
Nov 18, 2011
last permit issued
Aug 22, 1986
completed
465K
cumulative oil, bbl
136K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Aug 22, 1986
Shut in
—
Plugged
—

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

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Chalk, Sloan O-10-41223Howard Glasscock (Consolidated)Citation Oil & Gas Corp.18243K86.7KDec 2011 – Jul 2026
Chalk, Sloan O-10-19035Howard-Glasscock (Glorieta)Conocophillips Company9222K48.9KJan 1993 – Apr 2012

Oil, barrels lease total

Last 12 months 8,450 · prior 12 10,235(-17%)

05001K1.5K202420252026

Gas, mcf lease total

Last 12 months 4,320 · prior 12 8,889(-51%)

05001K202420252026

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
726668-99RecompletionConocophillips CompanyOct 20, 2011Nov 18, 2011Sep 16, 20113,200
302577-99DrillMobil Producing TX. & N.M. Inc.Apr 29, 1986May 27, 1986Jul 8, 19863,200

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-19035————
—— O-10-41223————

Formation tops

As filed on W-2/G-1. Subsea from 2,405 ft elevation.Download CSV →

FormationMD ftSubsea
Yates1,1891,216
Seven Rivers1,2721,133
Queen1,460945
Queen1,488917
Grayburg1,760645
Grayburg1,762643
San Andres2,032373
Glorieta2,475-70
Glorieta2,582-177
Clear ForkCLEARFORK2,939-534
Clear ForkCLEARFORK2,940-535

Perforations

Perforated and open-hole intervals.

FromToType
1,3021,418Perforated
1,4641,706Perforated
2,4402,450Perforated
2,5642,890Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.62529012.25250 S
5.53,2007.875950 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 30, 2015Jul 28, 2015—
00Jan 2, 2013Feb 7, 2012—
00Mar 1, 2012Sep 8, 1986Yes
00Sep 22, 1986Sep 8, 1986Yes
00Sep 20, 1986——

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.

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/22734048, documented in the API reference.