WELL · 42-305-30311 · DISTRICT 8
Mason #1
Lynn County · Gar-Lynn (Mississippian) field · Vertical
Mason #1 (API 42-305-30311) is a plugged well in Lynn County, plugged March 26, 1993, last operated by Charter Petroleum Company.
The RRC has issued one drilling permit, issued February 10, 1984, permitted to 9,100 ft.
It was permitted by Crown Exploration Company and has since transferred to Charter Petroleum Company on the wellbore schedule.
Completion filings report 9 formation tops, including San Andres, T/San Andres, Glorieta, T/Glorieta.
Operator of record
Permitted by Crown Exploration Company; the EWA schedule now lists a different operator.
Abilene, TX · P-5 Y, filed Jan 4, 2026 · 8 permits on file · (325) 668-8749
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Charter Petroleum Company |
| Production reports | none |
| Latest permit | Crown Exploration CompanyFeb 10, 1984 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,100
- total depth, ft
- 1
- permits on file
- Feb 10, 1984
- last permit issued
- May 24, 1984
- completed
- 0
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH May 1993
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- May 24, 1984
- Shut in
- —
- Plugged
- Mar 26, 1993
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 |
|---|---|---|---|---|---|---|
| Mason O-11-64863 | Gar-Lynn (Mississippian) | Charter Petroleum Company | 1 | 0 | 0 | Jan 1993 – May 1993 |
No volumes reported on these leases in the last three years.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 229272-99 | Drill | Crown Exploration Company | Feb 13, 1984 | Feb 10, 1984 | Mar 6, 1984 | 9,100 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-11-64863 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,945 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| San Andres | 3,100 | -155 |
| T/San Andres | 3,100 | -155 |
| Glorieta | 4,100 | -1,155 |
| T/Glorieta | 4,100 | -1,155 |
| T/Upper Spraberry | 5,600 | -2,655 |
| SpraberryUPPER SPRABERRY | 5,600 | -2,655 |
| SpraberryLOWER SPRABERRY | 6,100 | -3,155 |
| T/Lower Spraberry | 6,100 | -3,155 |
| Wolfcamp | 7,300 | -4,355 |
| W/Wolfcamp | 7,300 | -4,355 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,853 | 8,890 | Perforated |
| 8,916 | 8,932 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 255 | 17.5 | 250 S |
| 8.625 | 3,255 | 11 | 1,715 S |
| 4.5 | 9,035 | 7.875 | 250 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 21, 1987 | May 11, 1987 | — |
| 00 | Jun 13, 1984 | Jun 5, 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 42-305-30311 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-305-30311 → 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.
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Injection
- 0
- bbl, last 12 reported months
- 33.2K
- bbl, all reported
- Aug 1992
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000062879 | H-1 Injection | Plugged Apr 27, 1993 | 150 | 1,000 | 8,853–8,931 |
MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS
Last 12 months 0 · prior 12 16,448(-100%)
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/30530311, documented in the API reference.