WELL · 42-135-06721 · DISTRICT 8
Parks Roy Jr. -B- TG #3811
Ector County · Headlee (Wolfcamp) field · Vertical
Parks Roy JR. -B- TG #3811 (API 42-135-06721) is a well in Ector County operated by Anadarko Petroleum Corporation, completed July 17, 1991.
The RRC has issued 2 drilling permits between 1989 and 2002, permitted to 13,114 ft.
It was permitted by Four Star Oil And Gas Company and has since transferred to Anadarko Petroleum Corporation on the wellbore schedule.
Completion filings report 8 formation tops, including Yates, San Andres, Spraberry, Wolfcamp.
Its 3 leases have reported 150K barrels of oil and 2.52M mcf of gas since January 1993, last reporting in July 2026. The leases carry 18 wells, so these are lease totals, not this well alone.
Operator of record
Anadarko Petroleum Corporation
Permitted by Four Star Oil and Gas Company; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed Apr 4, 2026 · 4,004 permits on file · (832) 636-1111
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Anadarko Petroleum Corporation |
| Production reports | COG Operating LLCthrough Apr 2026 |
| Latest permit | Four Star Oil and Gas CompanyJul 25, 2002 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 13,114
- total depth, ft
- 2
- permits on file
- Jul 25, 2002
- last permit issued
- Jul 17, 1991
- completed
- 150K
- cumulative oil, bbl
- 2.52M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jul 17, 1991
- 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 18 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Headlee Devonian Unit G-10-203231 | Headlee (Devonian) | Diamondback E&P LLC | 1 | 0 | 0 | Aug 2002 – Jul 2026 |
| Parks, Roy -B- TG O-10-34636 | Dora Roberts (Consolidated) | COG Operating LLC | 15 | 150K | 2.52M | Oct 1995 – Jul 2026 |
| Parks, Roy Jr. -B- TG O-10-28902 | Headlee (Wolfcamp) | Anadarko Petroleum Corporation | 2 | 0 | 0 | Jan 1993 – Oct 1995 |
Gas, mcf lease total
Last 12 months 10,382 · prior 12 29,378(-65%)
Oil, barrels lease total
Last 12 months 193 · prior 12 334(-42%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Anadarko Petroleum CorporationOct 1995 → Nov 2004
- 2Merit Energy CompanyDec 2004 → Jul 2010
- 3PDC-WV-Co CorporationAug 2010 → Aug 2010
- 4PDC EnergySep 2010 → Jan 2012
- 5COG Operating LLCFeb 2012 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 521973-99 | Recompletion | Four Star Oil and Gas Company | Jul 18, 2002 | Jul 25, 2002 | Jul 2, 2002 | 13,114 |
| 365293-99 | Recompletion | Arco Oil & Gas Co. | Oct 18, 1989 | Oct 24, 1989 | — | 13,114 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-10-203231 | — | — | — | — |
| — | — O-10-28902 | — | — | — | — |
| — | — O-10-34636 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,854 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 2,801 | 53 |
| San Andres | 4,712 | -1,858 |
| Spraberry | 7,960 | -5,106 |
| Wolfcamp | 9,078 | -6,224 |
| Strawn | 9,882 | -7,028 |
| Morrow | 10,860 | -8,006 |
| Devonian | 11,473 | -8,619 |
| Devonian | 11,479 | -8,625 |
| Ellenburger | 13,040 | -10,186 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,752 | 9,774 | Perforated |
| 11,646 | 11,810 | Perforated |
| 13,044 | 13,080 | Perforated |
| — | 13,084 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 314 | 17.25 | 325 S |
| 13.375 | 314 | — | 325 S |
| 8.625 | 5,949 | — | 4,094 S |
| 8.625 | 5,949 | 11 | 4,454 S |
| 5.5 | 13,084 | — | 525 S |
| 5.5 | 13,084 | 7.875 | 850 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 | Nov 22, 2004 | Dec 12, 2002 | Yes |
| 00 | Sep 9, 2004 | — | — |
| 00 | Oct 17, 1995 | Oct 14, 1991 | — |
| 00 | Dec 9, 1991 | Oct 14, 1991 | — |
| 00 | Jan 15, 1990 | Dec 20, 1989 | Yes |
| 00 | Jan 12, 1990 | — | — |
| 00 | Jan 12, 1984 | — | — |
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 42-135-06721 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-135-06721 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. 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/13506721, documented in the API reference.