WELL · 42-317-34560 · DISTRICT 8
Strain 19Z #1
Martin County · Caprock (Wolfcamp) field · Vertical
Strain 19z #1 (API 42-317-34560) is a well in Martin County operated by Xto Energy Inc., completed January 12, 2006.
The RRC has issued 2 drilling permits (amended once) between 2005 and 2015, permitted to 12,000 ft.
It was permitted by Endeavor Energy Resources L.P. and has since transferred to Xto Energy Inc. on the wellbore schedule.
Completion filings report 6 formation tops, including Clear Fork, Spraberry, Dean, Wolcamp.
Its 2 leases have reported 30.4K barrels of oil and 89.1K mcf of gas since February 2006, last reporting in July 2026. The leases carry 2 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Endeavor Energy Resources L.P.; the EWA schedule now lists a different operator.
Spring, TX · P-5 Y, filed Feb 4, 2026 · 16,156 permits on file · (832) 625-1100
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | XTO Energy Inc. |
| Production reports | XTO Energy Inc.through Oct 2021 |
| Latest permit | Endeavor Energy Resources L.P.Jun 29, 2015 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 12,000
- total depth, ft
- 3
- permits on file
- Jun 29, 2015
- last permit issued
- Jan 12, 2006
- completed
- 30.4K
- cumulative oil, bbl
- 89.1K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Feb 2006 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jan 12, 2006
- Shut in
- —
- Plugged
- —
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 2 leases this well is completed on; they carry 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Strain '19Z' O-10-46983 | Spraberry (Trend Area) R 40 Exc | XTO Energy Inc. | 1 | 6.58K | 1.59K | Oct 2013 – Jul 2026 |
| Strain "19Z" O-10-37952 | Caprock (Wolfcamp) | XTO Energy Inc. | 1 | 23.8K | 87.5K | Feb 2006 – Mar 2016 |
No volumes reported on these leases in the last three years.
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Endeavor Energy Resources L.P.Feb 2006 → Aug 2015
- 2XTO Energy Inc.Sep 2015 → Oct 2021
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 807556-99 | Field transfer | Endeavor Energy Resources L.P. | Jun 16, 2015 | Jun 29, 2015 | Oct 8, 2005 | 11,423 |
| 561269-98 | Drill | Endeavor Energy Resources L.P. | Jul 21, 2006 | Apr 29, 2005 | Oct 16, 2005 | 12,000 |
| 561269-99 | Drill | Endeavor Energy Resources L.P. | Apr 29, 2005 | Apr 29, 2005 | Oct 16, 2005 | 12,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-37952 | — | — | — | — |
| — | — O-10-46983 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,742 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,756 | 10,108 | Perforated |
| 8,756 | 10,216 | Perforated |
| 10,143 | 10,216 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 12.75 | 218 | 17.5 | 300 S |
| 8.625 | 4,716 | 11 | 700 S |
| 4.5 | 11,419 | 11 | 235 S |
| 4.5 | 11,419 | 7.875 | 1,265 S |
| 4.5 | — | 7.875 | 1,265 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 2, 2016 | Sep 14, 2015 | Yes |
| 00 | Apr 24, 2007 | Jul 27, 2006 | Yes |
| 00 | Jan 23, 2007 | — | — |
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 42-317-34560 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-317-34560 → 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/31734560, documented in the API reference.