WELL · 42-227-35726 · DISTRICT 8
Chalk, Sloan #29
Howard County · Vertical
Chalk, Sloan #29 (API 42-227-35726) is a disposal or injection well in Howard County operated by Conocophillips Company under an active UIC permit.
The RRC has issued 2 drilling permits (amended once) between 2001 and 2011, permitted to 7,900 ft.
Completion filings report 12 formation tops, including Yates, Seven Rivers, Queen, Grayburg.
Its 4 leases have reported 269K barrels of oil and 567K mcf of gas since January 1993, last reporting in July 2026. The leases carry 24 wells, so these are lease totals, not this well alone.
It holds an active disposal or injection permit, with 598K barrels injected in the 12 months reported through December 2025.
Operator of record
Midland, TX · P-5 Y, filed Dec 4, 2025 · 3,290 permits on file · (800) 332-9449
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | Citation Oil & Gas Corp.through Apr 2026 |
| Latest permit | Conocophillips CompanyMay 3, 2011 |
- 7,900
- total depth, ft
- 3
- permits on file
- May 3, 2011
- last permit issued
- —
- completed
- 269K
- cumulative oil, bbl
- 567K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- 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 4 leases this well is completed on; they carry 24 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Chalk, Sloan O-10-41223 | Howard Glasscock (Consolidated) | Citation Oil & Gas Corp. | 18 | 243K | 86.7K | Dec 2011 – Jul 2026 |
| Chalk, Sloan O-10-30837 | Howard-Glasscock (Wolfcamp 7400) | Citation Oil & Gas Corp. | 2 | 23.6K | 463K | Jan 1993 – Aug 2019 |
| Chalk, Sloan O-10-41263 | Howard Glasscock (Clear Fork,mi) | Conocophillips Company | 3 | 2.95K | 82 | Mar 2011 – Aug 2012 |
| Sloan Chalk G-10-187051 | Howard-Glasscock (Wolfcamp 7400) | Conocophillips Company | 1 | 0 | 17.4K | Sep 2001 – Jul 2004 |
Oil, barrels lease total
Last 12 months 8,450 · prior 12 10,235(-17%)
Gas, mcf lease total
Last 12 months 4,320 · prior 12 8,889(-51%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Conoco Inc.Jan 1993 → Oct 2002
- 2Conocophillips CompanyJan 2003 → Jan 2018
- 3Citation Oil & Gas Corp.Feb 2018 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 713418-99 | Recompletion | Conocophillips Company | Apr 1, 2011 | May 3, 2011 | Jun 15, 2011 | 7,900 |
| 510956-98 | Drill | Conoco Inc. | Jul 23, 2001 | Jul 6, 2001 | Aug 10, 2001 | 7,900 |
| 510956-99 | Drill | Conoco Inc. | Jul 2, 2001 | Jul 6, 2001 | — | 7,900 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-10-187051 | — | — | — | — |
| — | — O-10-30837 | — | — | — | — |
| — | — O-10-41223 | — | — | — | — |
| — | — O-10-41263 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,411 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 1,158 | 1,253 |
| Seven Rivers | 1,247 | 1,164 |
| Queen | 1,448 | 963 |
| Queen | 1,485 | 926 |
| Grayburg | 1,756 | 655 |
| Grayburg | 1,758 | 653 |
| San Andres | 1,862 | 549 |
| Grayburg | 2,030 | 381 |
| San Andres | 2,065 | 346 |
| GlorietaGLORIETTA | 2,494 | -83 |
| Glorieta | 2,582 | -171 |
| Clear ForkCLEARFORK | 2,910 | -499 |
| Tubb | 4,250 | -1,839 |
| Wichia Albany | 5,260 | -2,849 |
| Wichita-Albany | 5,260 | -2,849 |
| Wolfcamp | 7,322 | -4,911 |
| Cisco | 7,584 | -5,173 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 2,934 | 3,468 | Perforated |
| 3,560 | 4,134 | Perforated |
| 4,250 | 4,360 | Perforated |
| 7,324 | 7,395 | Perforated |
| 7,584 | 7,600 | Perforated |
| 7,614 | 7,630 | Perforated |
| 7,689 | 7,701 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 2,210 | 11 | 850 S |
| 4.5 | 7,980 | 7.875 | 575 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 →
| Suffix | Filed | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Aug 20, 2013 | Nov 15, 2012 | — |
| 00 | Jun 18, 2012 | Jul 15, 2011 | — |
| 00 | May 29, 2012 | Jul 15, 2011 | — |
| 00 | Sep 17, 2003 | Aug 5, 2003 | — |
| 00 | Sep 4, 2003 | — | — |
| 00 | Mar 3, 2003 | Jan 10, 2003 | — |
| 00 | Apr 1, 2002 | Dec 21, 2001 | Yes |
| 00 | Feb 27, 2002 | — | — |
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.
- Wellbore filings for 42-227-35726 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-227-35726 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward). then paste it into their search.
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Injection
- 598K
- bbl, last 12 reported months
- 7.75M
- bbl, all reported
- Dec 2025
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000105927 | H-1 Injection | Active | 4,000 | 1,200 | 2,500–4,200 |
MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS
Last 12 months 597,826 · prior 12 645,381(-7%)
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/22735726, documented in the API reference.