WELL · 42-227-35678 · DISTRICT 8
Chalk Otis #1418
Howard County · Howard-Glasscock (Glorieta) field · Vertical
Chalk Otis #1418 (API 42-227-35678) is a well in Howard County operated by Apache Corporation, completed September 6, 2001.
The RRC has issued 2 drilling permits between 2001 and 2008, permitted to 3,400 ft.
Completion filings report 5 formation tops, including Yates, Seven Rivers, Queen, San Andres.
Its 3 leases have reported 2.88M barrels of oil and 358K mcf of gas since January 1993, last reporting in July 2026. The leases carry 298 wells, so these are lease totals, not this well alone.
Operator of record
Houston, TX · P-5 Y, filed Oct 4, 2025 · 9,754 permits on file · (713) 296-6400
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Apache Corporation |
| Production reports | Apache Corporationthrough Apr 2026 |
| Latest permit | Apache CorporationNov 18, 2008 |
- 3,400
- total depth, ft
- 2
- permits on file
- Nov 18, 2008
- last permit issued
- Sep 6, 2001
- completed
- 2.88M
- cumulative oil, bbl
- 358K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Sep 6, 2001
- 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 3 leases this well is completed on; they carry 298 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Howard Glasscock East Unit O-10-46924 | Howard Glasscock (Consolidated) | Apache Corporation | 147 | 634K | 0 | Dec 2011 – Jul 2026 |
| Howard Glasscock East Unit O-10-35609 | Howard Glasscock | Apache Corporation | 131 | 1.45M | 97.3K | Jan 1998 – Mar 2016 |
| Chalk, Otis O-10-18996 | Howard-Glasscock (Glorieta) | Apache Corporation | 20 | 798K | 261K | Jan 1993 – Oct 2015 |
Oil, barrels lease total
Last 12 months 2,643 · prior 12 165(+1502%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Chevron U. S. A. Inc.Jan 1993 → Jun 1995
- 2Westport Oil and Gas Company IncJul 1995 → Feb 2002
- 3Marathon Oil CompanyJan 1998 → Dec 2000
- 4Belco Energy Corp.Jan 2001 → Feb 2002
- 5Westport Oil and Gas Company, LPMar 2002 → Feb 2006
- 6Kerr-McGee Oil & Gas Onshore LPMar 2006 → Mar 2007
- 7Apache CorporationApr 2007 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 675045-99 | Recompletion | Apache Corporation | Nov 17, 2008 | Nov 18, 2008 | Oct 22, 2008 | 3,400 |
| 507102-99 | Drill | Westport Oil and Gas Company Inc | Mar 27, 2001 | Apr 10, 2001 | Jul 26, 2001 | 3,400 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-18996 | — | — | — | — |
| — | — O-10-35609 | — | — | — | — |
| — | — O-10-46924 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,692 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 1,378 | 1,314 |
| Seven Rivers | 1,477 | 1,215 |
| Queen | 1,657 | 1,035 |
| San Andres | 2,187 | 505 |
| Glorieta | 2,814 | -122 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 2,480 | 2,567 | Perforated |
| 2,872 | 3,210 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 353 | 12.5 | 225 S |
| 8.625 | 353 | 12.25 | 255 S |
| 5.5 | 3,400 | 7.875 | 540 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 | Oct 23, 2015 | Feb 4, 2009 | Yes |
| 00 | Jun 27, 2009 | Feb 4, 2009 | Yes |
| 00 | Jun 4, 2009 | — | — |
| 00 | Feb 1, 2002 | Dec 13, 2001 | Yes |
| 00 | Jan 16, 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 42-227-35678 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-227-35678 → 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.
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/22735678, documented in the API reference.