WELL · 42-173-39108 · DISTRICT 8
Zant-Hurt-Blalock Unit 1 #4881NH
Glasscock County · Spraberry (Trend Area) field · Producing · Horizontal
Zant-Hurt-Blalock Unit 1 #4881NH (API 42-173-39108) is a horizontal well in Glasscock County operated by Xto Energy Inc., completed January 3, 2025 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended twice), issued March 15, 2024, permitted to 10,219 ft.
Completion filings report 12 formation tops, including Santa Rosa, Rustler, Salado, Tansill.
Its lease has reported 3.63M barrels of oil and 13.9M mcf of gas since May 2017, last reporting in July 2026. The lease carries 13 wells, so these are lease totals, not this well alone.
Operator of record
- Based in
- Spring, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Apr 8, 2026
- Permits on file
- 16,156
- Phone
- (346) 502-1572
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | XTO Energy Inc. |
| Production reports | XTO Energy Inc.through Apr 2026 |
| Latest permit | XTO Energy Inc.Mar 15, 2024 |
- 10,219
- total depth, ft
- 3
- permits on file
- Mar 15, 2024
- last permit issued
- Jan 3, 2025
- completed
- 3.63M
- cumulative oil, bbl
- 13.9M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · May 2017 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jan 3, 2025
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active – Extension (X)
Surface location
31.980457, -101.734857
Permit surface location from the RRC GIS record, in Glasscock County.
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 13 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Zant-Hurt-Blalock Unit 1 O-10-49005 | Spraberry (Trend Area) | XTO Energy Inc. | 13 | 3.63M | 13.9M | May 2017 – Jul 2026 |
Gas, mcf lease total
Last 12 months 1,981,754 · prior 12 1,863,352(+6%)
Oil, barrels lease total
Last 12 months 185,884 · prior 12 208,871(-11%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1XTO Energy Inc.Dec 2017 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 898101-97 | Drill | XTO Energy Inc. | Jul 14, 2025 | Mar 15, 2024 | Apr 20, 2024 | 10,219 |
| 898101-98 | Drill | XTO Energy Inc. | Mar 26, 2024 | Mar 15, 2024 | Apr 20, 2024 | 10,219 |
| 898101-99 | Drill | XTO Energy Inc. | Mar 12, 2024 | Mar 15, 2024 | Apr 20, 2024 | 10,219 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-49005 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,626 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Santa Rosa | 747 | 1,879 |
| Rustler | 1,346 | 1,280 |
| Salado | 1,422 | 1,204 |
| Tansill | 2,062 | 564 |
| Yates | 2,179 | 447 |
| Seven Rivers | 2,314 | 312 |
| Queen | 2,976 | -350 |
| Grayburg | 3,435 | -809 |
| San Andres | 3,701 | -1,075 |
| San AndresSAN ANDRES - HIGH FLOWS, H2S, CO | 3,701 | -1,075 |
| Glorieta | 4,537 | -1,911 |
| Clear ForkCLEARFORK | 5,541 | -2,915 |
| Clear ForkUPPER CLEARFORK LIME | 5,541 | -2,915 |
| Spraberry | 6,303 | -3,677 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 11,321 | 21,923 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,036 | 17.5 | 810 S |
| 9.625 | 9,412 | 12.25 | 2,490 S |
| 5.5 | 22,010 | 8.75 | 4,065 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 | Jul 18, 2025 | May 28, 2025 | — |
| 00 | Dec 19, 2024 | Oct 9, 2024 | 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 42-173-39108 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-173-39108 → 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.
Nearby wells and their tops
NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM
Draw a cross-section
This well's tops beside its 5 nearest neighbors, subsea-aligned so they line up regardless of surface terrain.
Zant Hurt Blalock East Unit 142-173-39107
0.0 KM · XTO Energy Inc. · Section with this well →
| Santa Rosa | 794 | 1,832 |
| Rustler | 1,327 | 1,299 |
| Yates | 2,174 | 452 |
| Seven Rivers | 2,294 | 332 |
| Queen | 2,965 | -339 |
| Grayburg | 3,411 | -785 |
| San Andres | 3,676 | -1,050 |
| Glorieta | 4,590 | -1,964 |
10 TOPS · FIRST 8
Zant-Hurt-Blalock Unit 142-173-37626
0.5 KM · XTO Energy Inc. · Section with this well →
| Santa Rosa | 783 | 1,843 |
| Yates | 2,139 | 487 |
| Seven Rivers | 2,429 | 197 |
| Queen | 3,015 | -389 |
| Grayburg | 3,601 | -975 |
| San Andres | 3,642 | -1,016 |
| Glorieta | 4,366 | -1,740 |
| Clear Fork | 5,724 | -3,098 |
10 TOPS · FIRST 8
Zant-Hurt-Blalock Unit 142-173-37560
0.5 KM · XTO Energy Inc. · Section with this well →
| Queen | 3,040 | -415 |
| Grayburg | 3,615 | -990 |
| San Andres | 3,684 | -1,059 |
| Clear Fork | 5,661 | -3,036 |
| Spraberry | 6,758 | -4,133 |
| Santa Rosa | — | |
| Wichita-Albany | — | |
| Yates | — |
10 TOPS · FIRST 8
Zant-Hurt-Blalock Unit 142-173-37561
0.5 KM · XTO Energy Inc. · Section with this well →
| Queen | 3,044 | -419 |
| Grayburg | 3,633 | -1,008 |
| San Andres | 3,680 | -1,055 |
| Clear Fork | 5,672 | -3,047 |
| Spraberry | 6,767 | -4,142 |
| Glorieta | — | |
| Santa Rosa | — | |
| Yates | — |
10 TOPS · FIRST 8
Zant-Hurt-Blalock Unit 142-173-37622
0.6 KM · XTO Energy Inc. · Section with this well →
| Queen | 3,025 | -410 |
| Grayburg | 3,643 | -1,028 |
| San Andres | 3,695 | -1,080 |
| Clear Fork | 5,687 | -3,072 |
| Spraberry | 6,727 | -4,112 |
| Wichita-Albany | — | |
| Yates | — | |
| Glorieta | — |
10 TOPS · FIRST 8
Zant-Hurt-Blalock Unit 142-173-37620
0.6 KM · XTO Energy Inc. · Section with this well →
| Queen | 3,024 | -407 |
| Grayburg | 3,648 | -1,031 |
| San Andres | 3,689 | -1,072 |
| Clear Fork | 5,694 | -3,077 |
| Spraberry | 6,730 | -4,113 |
| Glorieta | — | |
| Yates | — | |
| Wichita-Albany | — |
10 TOPS · FIRST 8
Zant-Hurt-Blalock Unit 1 481442-173-37619
0.6 KM · XTO Energy Inc. · Section with this well →
| Queen | 3,044 | -432 |
| Grayburg | 3,646 | -1,034 |
| San Andres | 3,710 | -1,098 |
| Clear Fork | 5,696 | -3,084 |
| Spraberry | 6,744 | -4,132 |
| Wichita-Albany | — | |
| Seven Rivers | — | |
| Santa Rosa | — |
10 TOPS · FIRST 8
Zant-Hurt-Blalock Unit 1 010542-173-38013
0.7 KM · XTO Energy Inc. · Section with this well →
| Queen | 3,024 | -418 |
| Grayburg | 3,630 | -1,024 |
| San Andres | 3,694 | -1,088 |
| Clear Fork | 5,673 | -3,067 |
| Spraberry | 6,724 | -4,118 |
| Yates | — | |
| Santa Rosa | — | |
| Seven Rivers | — |
10 TOPS · FIRST 8
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/17339108, documented in the API reference.