WELL · 42-435-33078 · DISTRICT 7
Masterson -37- #4
Sutton County · Phyllis Sonora (Clearfork) field · Vertical
Masterson -37- #4 (API 42-435-33078) is a plugged well in Sutton County, plugged September 1, 1988, last operated by Staley Operating CO..
The RRC has issued one drilling permit, issued February 6, 1984, permitted to 5,850 ft.
Completion filings report 4 formation tops, including Leonard, Clear Fork, Wolfcamp, Canyon.
Operator of record
- Based in
- Midland, TX
- P-5 status
- Inactive (I)
- P-5 last filed
- Nov 17, 2021
- Permits on file
- 133
- Phone
- (432) 682-3749
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Staley Operating Co. |
| Production reports | none |
| Latest permit | Staley Operating Co.Feb 6, 1984 |
- 5,850
- total depth, ft
- 1
- permits on file
- Feb 6, 1984
- last permit issued
- Aug 16, 1984
- completed
- —
- cumulative oil, bbl
- —
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Aug 16, 1984
- Shut in
- —
- Plugged
- Sep 1, 1988
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.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 228425-99 | Drill | Staley Operating Co. | Aug 24, 1984 | Feb 6, 1984 | — | 5,850 |
Formation tops
As filed on W-2/G-1. Subsea from 2,375 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Leonard | 1,908 | 467 |
| Clear ForkCLEARFORK | 2,742 | -367 |
| Wolfcamp | 3,610 | -1,235 |
| Canyon | 4,642 | -2,267 |
| CanyonLOWER CANYON | 5,557 | -3,182 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 2,744 | 2,758 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,218 | 12.25 | 650 sx |
| 4.5 | 5,850 | 7.875 | 1,480 sx |
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 | Oct 2, 1984 | Sep 11, 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 42-435-33078 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-435-33078 → 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/43533078, documented in the API reference.