WELL · 42-317-39260 · DISTRICT 8
Key B #4
Martin County · Spraberry (Trend Area) field · Producing · Vertical
Key B #4 (API 42-317-39260) is a well in Martin County operated by Pioneer Natural Res. USA Inc., completed May 27, 2014 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued February 28, 2014, permitted to 10,000 ft.
Completion filings report 10 formation tops, including Santa Rosa, Yates, Queen, Grayburg.
Its lease has reported 95.7K barrels of oil and 330K mcf of gas since January 1993, last reporting in July 2026. The lease carries 4 wells, so these are lease totals, not this well alone.
Operator of record
- 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 | Pioneer Natural Res. USA, Inc.through Apr 2026 |
| Latest permit | Pioneer Natural Res. USA, Inc.Feb 28, 2014 |
- 10,000
- total depth, ft
- 1
- permits on file
- Feb 28, 2014
- last permit issued
- May 27, 2014
- completed
- 95.7K
- cumulative oil, bbl
- 330K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- May 27, 2014
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
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; they carry 4 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Key B O-10-22221 | Spraberry (Trend Area) | Pioneer Natural Res. USA, Inc. | 4 | 95.7K | 330K | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 2,820 · prior 12 1,321(+113%)
Gas, mcf lease total
Last 12 months 2,221 · prior 12 523(+325%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Santa FE Energy Resources, Inc.Jan 1993 → Oct 1999
- 2Santa FE Snyder CorporationNov 1999 → Oct 2000
- 3Devon SFS Operating, Inc.Nov 2000 → Nov 2000
- 4Merit Energy CompanyDec 2000 → Mar 2004
- 5Pioneer Natural Res. USA, Inc.Apr 2004 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 779262-99 | Drill | Pioneer Natural Res. USA, Inc. | Feb 7, 2014 | Feb 28, 2014 | Mar 22, 2014 | 10,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-22221 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,827 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Santa Rosa | 1,280 | 1,547 |
| Yates | 2,625 | 202 |
| Queen | 3,546 | -719 |
| Grayburg | 4,155 | -1,328 |
| San AndresSAN ANDRES - ACTIVE CO2 FLOOD; H | 4,225 | -1,398 |
| Spraberry | 7,596 | -4,769 |
| Dean | 8,923 | -6,096 |
| Wolfcamp | 9,131 | -6,304 |
| Cisco | — | — |
| Pennsylvanian | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,944 | 9,314 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 339 | 17.5 | 490 S |
| 8.625 | 4,957 | 11 | 870 S |
| 4.5 | 9,512 | 7.875 | 890 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 | Mar 24, 2015 | Feb 9, 2015 | Yes |
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 42-317-39260 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-317-39260 → 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/31739260, documented in the API reference.