WELL · 42-105-39527 · DISTRICT 7
Sinclair Clayton 10 #4
Crockett County · Ozona NE. (Canyon 7520) field · Producing · Vertical
Sinclair Clayton 10 #4 (API 42-105-39527) is a well in Crockett County operated by Zachry Oil And Gas Properties, completed April 8, 2005 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued January 24, 2005, permitted to 8,200 ft.
It was permitted by Encana Oil & Gas(USA) Inc. and has since transferred to Zachry Oil And Gas Properties on the wellbore schedule.
Completion filings report 4 formation tops, including Base Cretaceous (marker), Spraberry, Wolfcamp, Canyon.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Encana Oil & Gas(usa) Inc.; the EWA schedule now lists a different operator.
Midland, TX · P-5 Y, filed Jul 4, 2026 · 12 permits on file · (210) 416-4456
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Zachry Oil and Gas Properties |
| Production reports | Zachry Oil and Gas Propertiesthrough Apr 2026 |
| Latest permit | Encana Oil & Gas(usa) Inc.Jan 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.
- 8,200
- total depth, ft
- 1
- permits on file
- Jan 24, 2005
- last permit issued
- Apr 8, 2005
- completed
- 0
- cumulative oil, bbl
- 217K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Apr 2005 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Apr 8, 2005
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
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; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Sinclair Clayton "10" G-9-211210 | Ozona, NE. (Canyon 7520) | Zachry Oil and Gas Properties | 1 | 0 | 217K | Apr 2005 – Jul 2026 |
Gas, mcf lease total
Last 12 months 2,260 · prior 12 1,435(+57%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Encana Oil & Gas(usa) Inc.May 2005 → Mar 2008
- 2Smith Operating and Mgmt Co.Apr 2008 → Sep 2021
- 3Zachry Oil and Gas PropertiesOct 2021 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 556664-99 | Drill | Encana Oil & Gas(usa) Inc. | Jan 23, 2005 | Jan 24, 2005 | Mar 22, 2005 | 8,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-9-211210 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,385 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Base Cretaceous (marker)BASE CRETACEOUS | 725 | 1,660 |
| SpraberrySPRAYBERRY | 3,365 | -980 |
| Wolfcamp | 4,840 | -2,455 |
| CanyonCANYON SAND | 7,416 | -5,031 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,425 | 7,429 | Perforated |
| 7,500 | 7,504 | Perforated |
| 7,608 | 7,612 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,876 | 12.25 | 790 S |
| 4.5 | 7,924 | 7.875 | 450 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 | Dec 6, 2005 | Jul 21, 2005 | Yes |
| 00 | Oct 5, 2005 | — | — |
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 42-105-39527 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-105-39527 → 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/10539527, documented in the API reference.