WELL · 42-227-35042 · DISTRICT 8
Chalk Otis/EO #7
Howard County · Howard-Glasscock (Glorieta) field · Vertical
Chalk Otis/EO #7 (API 42-227-35042) is a well in Howard County operated by Vista Resources Inc. (A), completed September 10, 1997.
The RRC has issued 2 drilling permits between 1996 and 1997, permitted to 3,600 ft.
Completion filings report 5 formation tops, including Yates, Queen, San Adres, San Andres.
Its 3 leases have reported 314K barrels of oil and 191K mcf of gas since January 1993, last reporting in July 2026. The leases carry 19 wells, so these are lease totals, not this well alone.
Operator of record
Midland, TX · P-5 Y, filed Jun 9, 2000 · 92 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Vista Resources Inc. (A) |
| Production reports | Grayrock Energy II, LLCthrough Apr 2026 |
| Latest permit | Vista Resources, Inc. (A)Aug 12, 1997 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 3,600
- total depth, ft
- 2
- permits on file
- Aug 12, 1997
- last permit issued
- Sep 10, 1997
- completed
- 314K
- cumulative oil, bbl
- 191K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Sep 10, 1997
- 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 19 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Chalk, Otis /EO/ O-10-42211 | Howard Glasscock (Consolidated) | Grayrock Energy II, LLC | 7 | 70.3K | 22.7K | Dec 2011 – Jul 2026 |
| Chalk, Otis /EO/ O-10-2727 | Howard Glasscock | Cimarex Energy Co. of Colorado | 10 | 243K | 168K | Jan 1993 – Mar 2013 |
| Chalk, Otis/EO O-10-35195 | Howard-Glasscock (Glorieta) | Vista Resources, Inc. (A) | 2 | 0 | 0 | Dec 1996 – Apr 1998 |
Oil, barrels lease total
Last 12 months 3,801 · prior 12 3,716(+2%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Wood, McShane & ThamsJan 1993 → Oct 1995
- 2Vista Resources, Inc. (A)Nov 1995 → Feb 2000
- 3Prize Operating CompanyMar 2000 → Mar 2002
- 4Gruy Petroleum Management Co.Apr 2002 → Apr 2006
- 5Cimarex Energy Co. of ColoradoMay 2006 → Dec 2012
- 6Merit Energy CompanyJan 2013 → May 2017
- 7Rover Petroleum Operating, LLCJun 2017 → Dec 2023
- 8Grayrock Energy II, LLCJan 2024 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 464883-99 | Recompletion | Vista Resources, Inc. (A) | Jul 14, 1997 | Aug 12, 1997 | Nov 21, 1996 | 3,600 |
| 449243-99 | Drill | Vista Resources, Inc. (A) | Jun 13, 1996 | Jul 22, 1996 | Nov 21, 1996 | 3,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-2727 | — | — | — | — |
| — | — O-10-35195 | — | — | — | — |
| — | — O-10-42211 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,660 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 1,323 | 1,337 |
| Queen | 1,676 | 984 |
| San Adres | 1,947 | 713 |
| San Andres | 1,947 | 713 |
| Glorieta | 2,800 | -140 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 2,206 | 2,528 | Perforated |
| 2,206 | 3,528 | Perforated |
| 2,897 | 3,148 | Perforated |
| 3,116 | 3,460 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 370 | 12.25 | 200 S |
| 5.5 | 3,600 | 7.875 | 800 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 | Mar 12, 2019 | Jan 25, 2019 | — |
| 00 | Jan 31, 2013 | Mar 5, 1998 | — |
| 00 | Apr 10, 1998 | Mar 5, 1998 | — |
| 00 | Mar 27, 1998 | — | — |
| 00 | Jan 7, 1998 | Sep 29, 1997 | Yes |
| 00 | Mar 13, 1997 | Jan 7, 1997 | Yes |
| 00 | Feb 28, 1997 | — | — |
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 42-227-35042 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-227-35042 → 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/22735042, documented in the API reference.