WELL · 42-371-39961 · DISTRICT 8

Gunpowder 21-16 TB1 #501H

Pecos County · Hoefs T-K (Wolfcamp) field · Producing · Horizontal

Gunpowder 21-16 Tb1 #501H (API 42-371-39961) is a horizontal well in Pecos County operated by Xto Energy Inc., completed January 22, 2020 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued January 15, 2019, permitted to 10,000 ft.

Completion filings report 10 formation tops, including Rustler, Glorieta, Grayburg, O'Brien.

Its lease has reported 314K barrels of oil and 340K mcf of gas since January 2020, last reporting in July 2026.

Operator of record

XTO Energy Inc.

Spring, TX · P-5 Y, filed Feb 4, 2026 · 16,153 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 Apr 2026
Latest permit	XTO Energy Inc.Jan 15, 2019

10,000: total depth, ft
2: permits on file
Jan 15, 2019: last permit issued
Jan 22, 2020: completed
314K: cumulative oil, bbl
340K: cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 2020 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule: ON SCHEDULE
Completed: Jan 22, 2020
Shut in: —
Plugged: —

Operator's P-5 on the schedule: X

Surface location

31.135599, -103.132975

OpenStreetMap → · Google Maps →

Permit surface location from the RRC GIS record, in Pecos 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; this well is the only one on it.Why →

Lease	Field	Reporting operator	Wells	Oil, bbl	Gas, mcf	Reported
Gunpowder 21-16 TB1 O-10-53737	Hoefs T-K (Wolfcamp)	XTO Energy Inc.	1	314K	340K	Jan 2020 – Jul 2026

Oil, barrels lease total

Last 12 months 20,821 · prior 12 17,144(+21%)

Gas, mcf lease total

Last 12 months 29,404 · prior 12 5,656(+420%)

Chain of custody

Every operator that reported production on this well's lease, in order.

1XTO Energy Inc.Jan 2020 → Apr 2026

Permits

Permit	Type	Operator	Received	Issued	Spud	Depth
848689-98	Drill	XTO Energy Inc.	Apr 10, 2020	Jan 15, 2019	May 9, 2019	10,000
848689-99	Drill	XTO Energy Inc.	Jan 14, 2019	Jan 15, 2019	May 9, 2019	9,900

Completions

Completed	Lease	Field	Operator	Status	Depth
—	— O-10-53737	—	—	—	—

Formation tops

As filed on W-2/G-1. Subsea from 2,746 ft elevation.Download CSV →

Formation	MD ft	Subsea
Rustler	1,197	1,549
Glorieta	—	—
Grayburg	—	—
O'Brien	—	—
Queen	—	—
Seven Rivers	—	—
Soma	—	—
Toborg	—	—
Tubb	—	—
Yates	—	—

Perforations

Perforated and open-hole intervals.

From	To	Type
10,325	17,671	Perforated

Casing

Strings as reported, shallowest first.

Casing in	Set at	Hole in	Cement
9.625	3,236	12.25	1,740 S
7	10,102	8.75	1,090 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	Jun 12, 2020	Mar 10, 2020	Yes
00	Jun 11, 2020	Feb 17, 2020	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 42-371-39961 → W-2, G-1, plugging reports, as PDFs
Completion packets for 42-371-39961 → 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.

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 neighbours, subsea-aligned so they line up regardless of surface terrain.

Open the cross-section →

Gunpowder 21-16 WA142-371-39959

0.0 KM · XTO Energy Inc. · Section with this well →

Rustler	1,196	1,550
Delaware	5,251	-2,505
Grayburg	—
Yates	—
Wichita-Albany	—
Tubb	—
Toborg	—
Sullivan	—

15 TOPS · FIRST 8

Gunpowder 21-16 WB142-371-40002

0.0 KM · XTO Energy Inc. · Section with this well →

Rustler	1,197	1,549
Seven Rivers	—
Queen	—
O'Brien	—
Grayburg	—
Glorieta	—
Soma	—
Yates	—

10 TOPS · FIRST 8

Gunpowder 21-16 AV142-371-39951

0.0 KM · XTO Energy Inc. · Section with this well →

Rustler	1,196	1,550
Grayburg	—
Queen	—
Seven Rivers	—
Soma	—
Toborg	—
Tubb	—
Yates	—

10 TOPS · FIRST 8

Gunpowder 21-16 SB242-371-39950

0.2 KM · XTO Energy Inc. · Section with this well →

Rustler	977	1,766
Avalon	8,578	-5,835
Landing Point	9,451	-6,708
Bone Spring	9,716	-6,973
Soma	—
Seven Rivers	—
Queen	—
O'Brien	—

13 TOPS · FIRST 8

Gunpowder 21-16 WA242-371-39962

0.2 KM · XTO Energy Inc. · Section with this well →

Rustler	1,197	1,546
Yates	—
Glorieta	—
Grayburg	—
O'Brien	—
Queen	—
Seven Rivers	—
Soma	—

10 TOPS · FIRST 8

Gunpowder 21-16 WA342-371-39960

0.2 KM · XTO Energy Inc. · Section with this well →

Rustler	1,197	1,546
Grayburg	—
O'Brien	—
Queen	—
Yates	—
Glorieta	—
Seven Rivers	—
Soma	—

10 TOPS · FIRST 8

Gunpowder 21-16 WA442-371-39958

0.2 KM · XTO Energy Inc. · Section with this well →

Rustler	1,197	1,546
Queen	—
Tubb	—
Toborg	—
Soma	—
Seven Rivers	—
Yates	—
O'Brien	—

10 TOPS · FIRST 8

Jolly Jumper 48-21-28 2B242-371-40421

0.3 KM · XTO Energy Inc. · Section with this well →

Rustler	1,202	1,372
Salado	1,627	947
O'Brien	—
Queen	—
Seven Rivers	—
Soma	—
Toborg	—
Capitan	—

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/37139961, documented in the API reference.