TEXAS · WELLS · MARTIN COUNTY · API 42-317-31067 · DISTRICT 7B
Griffin C. Est. #1
Martin County · Spraberry (Trend Area) field · Vertical
Griffin C. Est. #1 (API 42-317-31067) is a plugged well in Martin County, plugged February 27, 1986, last operated by Pioneer Natural Res. USA Inc..
The RRC has issued one drilling permit, issued September 15, 1983, permitted to 6,500 ft.
It was permitted by Hcw Exploration, Inc. and has since transferred to Pioneer Natural Res. USA Inc. on the wellbore schedule.
Operator of record
Permitted by HCW Exploration, Inc.; the EWA schedule now lists a different operator.
- Based in
- Spring, TX
- P-5 status
- Active (A)
- P-5 last filed
- Jul 8, 2026
- Permits on file
- 15,628
- Phone
- (972) 444-4001
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Pioneer Natural Res. USA Inc. |
| Production reports | none |
| Latest permit | HCW Exploration, Inc.Sep 15, 1983 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 6,500
- total depth, ft
- 1
- permits on file
- Sep 15, 1983
- last permit issued
- Jan 14, 1974
- completed
- —
- cumulative oil, bbl
- —
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jan 14, 1974
- Shut in
- —
- Plugged
- Feb 27, 1986
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 |
|---|---|---|---|---|---|---|
| 212539-99 | Recompletion | HCW Exploration, Inc. | Sep 12, 1983 | Sep 15, 1983 | — | 6,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Jan 14, 1974 | Griffin C. Est. O-10-23044 | Spraberry (Trend Area) | Pioneer Natural Res. USA Inc. | Plugged | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| — | 9,458 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 12.75 | 318 | 17 | 335 S |
| 8.625 | 4,290 | 11 | 325 S |
| 4.5 | 9,538 | 7.875 | 700 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Jan 12, 1984 | Jan 24, 1974 | — |
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 42-317-31067 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-317-31067 → scanned completion filings
Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it. The University Lands library has no per-well link: then paste it into its 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/31731067, documented in the API reference.