WELL · 42-227-33978 · DISTRICT 8
Chalk -A- #11
Howard County · Howard Glasscock (Consolidated) field · Vertical
Chalk -A- #11 (API 42-227-33978) is a plugged well in Howard County, plugged July 11, 2023, last operated by Sweet Crude Operating LLC.
The RRC has issued 3 drilling permits between 1986 and 2005, permitted to 7,475 ft.
It was permitted by Excel Energy CO. and has since transferred to Sweet Crude Operating LLC on the wellbore schedule.
Completion filings report 2 formation tops, including Yates, Wolfcamp.
Its 3 leases have reported 212K barrels of oil and 15.9K mcf of gas since January 1993, last reporting in July 2026. The leases carry 14 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Excel Energy Co.; the EWA schedule now lists a different operator.
Brenham, TX · P-5 Y, filed Feb 4, 2026 · (512) 423-0058
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Sweet Crude Operating LLC |
| Production reports | Sweet Crude Operating LLCthrough Apr 2026 |
| Latest permit | Excel Energy Co.Oct 24, 2005 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 7,475
- total depth, ft
- 3
- permits on file
- Oct 24, 2005
- last permit issued
- Dec 20, 2005
- completed
- 212K
- cumulative oil, bbl
- 15.9K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Dec 20, 2005
- Shut in
- —
- Plugged
- Jul 11, 2023
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 14 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Chalk -A- O-10-41129 | Howard Glasscock (Consolidated) | Sweet Crude Operating LLC | 10 | 126K | 0 | Dec 2011 – Jul 2026 |
| Chalk, G.O. -A- O-10-29702 | Howard Glasscock (Clear Fork,mi) | Conocophillips Company | 2 | 62.6K | 15.8K | Jan 1993 – Apr 2012 |
| Chalk -A- O-10-31451 | Howard Glasscock | Excel Energy Co. | 2 | 23.5K | 152 | Jan 1993 – Mar 2012 |
Oil, barrels lease total
Last 12 months 5,240 · prior 12 5,857(-11%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Calley, BobJan 1993 → Aug 2003
- 2Conoco Inc.Jan 1993 → Dec 2002
- 3Conocophillips CompanyJan 2003 → Nov 2011
- 4Excel Energy Co.Sep 2003 → Jan 2026
- 5Sweet Crude Operating LLCFeb 2026 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 606099-99 | Reenter | Excel Energy Co. | Sep 9, 2005 | Oct 24, 2005 | Nov 14, 2005 | 3,200 |
| 337896-99 | Recompletion | Conoco Inc. | Oct 26, 1987 | Nov 6, 1987 | — | 7,475 |
| 297564-99 | Drill | Conoco Inc. | Feb 12, 1986 | Feb 12, 1986 | Apr 19, 1986 | 7,475 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-29702 | — | — | — | — |
| — | — O-10-31451 | — | — | — | — |
| — | — O-10-41129 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,424 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 1,243 | 1,268 | Perforated |
| 5,013 | 5,178 | Perforated |
| 5,351 | 5,639 | Perforated |
| 7,246 | 7,342 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,099 | 11 | 400 S |
| 5.5 | 7,467 | 7.875 | 2,100 S |
| 5.5 | 7,469 | 7.875 | 2,100 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 | Jan 30, 2012 | Feb 22, 2006 | Yes |
| 00 | Aug 16, 2006 | Feb 22, 2006 | Yes |
| 00 | Apr 21, 2006 | — | — |
| 00 | Aug 3, 1988 | Jul 13, 1988 | Yes |
| 00 | Jul 26, 1988 | — | — |
| 00 | Oct 13, 1986 | Sep 24, 1986 | Yes |
| 00 | Sep 30, 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.
- Wellbore filings for 42-227-33978 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-227-33978 → 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/22733978, documented in the API reference.