TEXAS · WELLS · HOWARD COUNTY · COLE, DORIS CHALK LEASE · API 42-227-34098 · DISTRICT 7B
Cole Doris Chalk #1
Howard County · Howard-Glasscock (Wolfcamp 7400) field · Shut In · Vertical
Cole Doris Chalk #1 (API 42-227-34098) is a well in Howard County operated by R2q Operating LLC, completed April 16, 1987 and listed as shut in on the RRC schedule, shut in March 1, 2016.
The RRC has issued one drilling permit, issued November 14, 1986, permitted to 7,704 ft.
It was permitted by Phillips Petroleum Company and has since transferred to R2q Operating LLC on the wellbore schedule.
Completion filings report 8 formation tops, including Yates, Seven Rivers, San Andres, Glorieta.
Its lease has reported 70.6K barrels of oil and 1.3M mcf of gas since January 1993, last reporting in July 2026. The lease carries 2 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Phillips Petroleum Company; the EWA schedule now lists a different operator.
- Based in
- Iowa Park, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Sep 12, 2025
- Permits on file
- 38
- Phone
- (940) 228-1500
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Extex Operating Company |
| Production reports | Extex Operating Companythrough Apr 2026 |
| Latest permit | Phillips Petroleum CompanyNov 14, 1986 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 7,704
- total depth, ft
- 1
- permits on file
- Nov 14, 1986
- last permit issued
- Apr 16, 1987
- completed
- 70.6K
- cumulative oil, bbl
- 1.3M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Apr 16, 1987
- Shut in
- Mar 1, 2016
- Plugged
- —
Operator's P-5 on the schedule: Active – Extension (X)
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 lease this well is completed on; they carry 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Cole, Doris Chalk O-10-31218 | Howard-Glasscock (Wolfcamp 7400) | Extex Operating Company | 2 | 70.6K | 1.3M | Jan 1993 – Jul 2026 |
Gas, mcf lease total
Last 12 months 2,030 · prior 12 15,471(-87%)
Oil, barrels lease total
Last 12 months 634 · prior 12 650(-2%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Phillips Petroleum CompanyJan 1993 → Sep 1995
- 2Merit Energy CompanyOct 1995 → Jul 2010
- 3PDC-WV-Co CorporationAug 2010 → Aug 2010
- 4PDC EnergySep 2010 → Nov 2011
- 5Legacy Reserves Operating LPDec 2011 → Jan 2021
- 6Extex Operating CompanyFeb 2021 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 322915-99 | Drill | Phillips Petroleum Company | Nov 10, 1986 | Nov 14, 1986 | Mar 5, 1987 | 7,800 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Apr 16, 1987 | Cole Doris Chalk O-10-31218 | Howard-Glasscock (Wolfcamp 7400) | R2Q Operating LLC | Shut In · shut in Mar 1, 2016 | 7,704 |
Formation tops
As filed on W-2/G-1. Subsea from 2,438 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 1,242 | 1,196 |
| Seven Rivers7 RIVERS | 1,333 | 1,105 |
| San Andres | 1,943 | 495 |
| Glorieta | 2,574 | -136 |
| Clear ForkCLEARFORK | 3,025 | -587 |
| Upr. Wlfcp. Lime | 6,980 | -4,542 |
| WolfcampWOLFCAMP 'A' | 7,344 | -4,906 |
| WolfcampWOLFCAMP SHALE MARKER | 7,434 | -4,996 |
| Canyon | 7,550 | -5,112 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,311 | 7,374 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 315 | 17.5 | 350 S |
| 8.625 | 3,198 | 12.25 | 1,425 S |
| 5.5 | 7,700 | 7.875 | 780 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 | May 28, 1987 | May 14, 1987 | Yes |
| 00 | May 21, 1987 | — | — |
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 42-227-34098 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-227-34098 → 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/22734098, documented in the API reference.