WELL · 42-495-33283 · DISTRICT 8
Zachary Estate #2
Winkler County · Keystone (Holt) field · Vertical
Zachary Estate #2 (API 42-495-33283) is a well in Winkler County operated by Mas Operating CO., completed April 17, 2009.
The RRC has issued one drilling permit, issued February 21, 2008, permitted to 6,000 ft.
Completion filings report one formation top, including Clear Fork.
Its 2 leases have reported 130K barrels of oil and 892K mcf of gas since March 1996, last reporting in July 2026. The leases carry 4 wells, so these are lease totals, not this well alone.
Operator of record
Midland, TX · P-5 Y, filed Mar 4, 2026 · 6 permits on file · (432) 349-3846
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Mas Operating Co. |
| Production reports | Mas Operating Co.through Apr 2026 |
| Latest permit | Mas Operating Co.Feb 21, 2008 |
- 6,000
- total depth, ft
- 1
- permits on file
- Feb 21, 2008
- last permit issued
- Apr 17, 2009
- completed
- 130K
- cumulative oil, bbl
- 892K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Mar 1996 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Apr 17, 2009
- 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 2 leases this well is completed on; they carry 4 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Zachary Estate O-10-48041 | Keystone (Consolidated) | Mas Operating Co. | 2 | 47.3K | 275K | Sep 2015 – Jul 2026 |
| Zachary Estate O-10-34887 | Keystone (Holt) | Mas Operating Co. | 2 | 83K | 616K | Mar 1996 – Mar 2017 |
Oil, barrels lease total
Last 12 months 2,598 · prior 12 3,303(-21%)
Gas, mcf lease total
Last 12 months 431 · prior 12 3,386(-87%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Dudley Oil Co.Mar 1996 → Dec 1998
- 2Dan Mar Well ServiceJan 1999 → Jul 2004
- 3Mas Operating Co.Aug 2004 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 655180-99 | Drill | Mas Operating Co. | Feb 12, 2008 | Feb 21, 2008 | Mar 13, 2008 | 6,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-34887 | — | — | — | — |
| — | — O-10-48041 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,888 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Clear ForkCLEARFORK | 4,768 | -1,880 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,768 | 4,841 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 600 | 12.25 | 325 S |
| 5.5 | 6,025 | 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 | Dec 8, 2016 | May 13, 2009 | Yes |
| 00 | Mar 16, 2010 | May 13, 2009 | Yes |
| 00 | Sep 2, 2009 | — | — |
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 42-495-33283 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-495-33283 → 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/49533283, documented in the API reference.