TEXAS · WELLS · MARTIN COUNTY · WELCH G LEASE · API 42-317-33257 · DISTRICT 7B
Welch G #4
Martin County · Spraberry (Trend Area) field · Vertical
Welch G #4 (API 42-317-33257) is a plugged well in Martin County, plugged May 17, 2012, last operated by Pioneer Natural Res. USA Inc..
The RRC has issued one drilling permit, issued October 1, 1985, permitted to 9,425 ft.
It was permitted by Brown, Tom Inc. and has since transferred to Pioneer Natural Res. USA Inc. on the wellbore schedule.
Completion filings report 4 formation tops, including Clear Fork, Spraberry, Dean, Wolfcamp.
Its lease has reported 61.9K barrels of oil and 294K mcf of gas since January 1993, with no volume in the three years through April 2026. The lease carries 4 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Brown, Tom 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
- 15,633
- Phone
- (972) 444-4001
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Pioneer Natural Res. USA Inc. |
| Production reports | Pioneer Natural Res. USA, Inc.through Jan 2012 |
| Latest permit | Brown, Tom Inc.Oct 1, 1985 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,425
- total depth, ft
- 1
- permits on file
- Oct 1, 1985
- last permit issued
- Feb 16, 1986
- completed
- 61.9K
- cumulative oil, bbl
- 294K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jan 2012
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Feb 16, 1986
- Shut in
- —
- Plugged
- May 17, 2012
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.
Wells nearby
Every well with a location on file around this well, in any state, nearest first.
Texas locations come from drilling permits, so most older Texas wells have none and are not listed.
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; they carry 4 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Welch G O-10-21567 | Spraberry (Trend Area) | Pioneer Natural Res. USA, Inc. | 4 | 61.9K | 294K | Jan 1993 – Jan 2012 |
No volumes reported on these leases in the last three years.
Wells named Welch G
Pioneer Natural Res. USA Inc.'s other wells filed under this lease name in Martin County, newest permit first. The RRC gives a gas well its own lease number, so the name is what joins the wells of a unit.
Loading the lease's wellsChain of custody
Every operator that reported production on this well's lease, in order.
- 1Brown, Tom Inc.Jan 1993 → Dec 2003
- 2Pioneer Natural Res. USA, Inc.Jan 2004 → Jan 2012
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 286409-99 | Drill | Brown, Tom Inc. | Sep 30, 1985 | Oct 1, 1985 | Jan 21, 1986 | 9,425 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Feb 16, 1986 | Welch G O-10-21567 | Spraberry (Trend Area) | Pioneer Natural Res. USA Inc. | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,816 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Clear ForkCLEARFORK | 6,300 | -3,484 |
| Spraberry | 7,536 | -4,720 |
| Dean | 8,842 | -6,026 |
| Wolfcamp | 9,048 | -6,232 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,040 | 8,439 | Perforated |
| 8,862 | 9,018 | Perforated |
| 9,071 | 9,157 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 324 | 17.5 | 200 S |
| 8.625 | 4,200 | 11 | 400 S |
| 4.5 | 9,290 | 7.875 | 1,010 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 | Apr 29, 1986 | Apr 2, 1986 | Yes |
| 00 | Apr 15, 1986 | — | — |
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 42-317-33257 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-317-33257 → 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/31733257, documented in the API reference.