WELL · 42-371-39667 · DISTRICT 8

Ethel-Jesper West #1AH

Pecos County · Wolfbone (Trend Area) field · Producing · Horizontal

Ethel-Jesper West #1AH (API 42-371-39667) is a horizontal well in Pecos County operated by Halcon Operating CO. Inc., completed May 12, 2018 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued January 4, 2018, permitted to 13,000 ft.

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

Its lease has reported 220K barrels of oil and 1.1M mcf of gas since May 2018, last reporting in July 2026.

Operator of record

Halcon Operating Co. Inc.

Houston, TX · P-5 Y, filed Feb 4, 2026 · 573 permits on file · (713) 345-1060

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore schedule	Halcon Operating Co. Inc.
Production reports	Halcon Operating Co., Inc.through Mar 2026
Latest permit	Halcon Operating Co., Inc.Jan 4, 2018

13,000: total depth, ft
2: permits on file
Jan 4, 2018: last permit issued
May 12, 2018: completed
220K: cumulative oil, bbl
1.1M: cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · May 2018 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule: ON SCHEDULE
Completed: May 12, 2018
Shut in: —
Plugged: —

Operator's P-5 on the schedule: Active

Surface location

31.054497, -103.214453

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
Ethel-Jesper West O-10-51239	Wolfbone (Trend Area)	Halcon Operating Co., Inc.	1	220K	1.1M	May 2018 – Jul 2026

Gas, mcf lease total

Last 12 months 48,696 · prior 12 50,536(-4%)

Oil, barrels lease total

Last 12 months 2,206 · prior 12 4,365(-49%)

Chain of custody

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

1Halcon Operating Co., Inc.May 2018 → Mar 2026

Permits

Permit	Type	Operator	Received	Issued	Spud	Depth
834793-98	Drill	Halcon Operating Co., Inc.	Nov 12, 2018	Jan 4, 2018	Jan 7, 2018	10,302
834793-99	Drill	Halcon Operating Co., Inc.	Jan 4, 2018	Jan 4, 2018	Jan 7, 2018	13,000

Completions

Completed	Lease	Field	Operator	Status	Depth
—	— O-10-51239	—	—	—	—

Formation tops

As filed on W-2/G-1. Subsea from 2,848 ft elevation.Download CSV →

Formation	MD ft	Subsea
Rustler	1,400	1,448
Glorieta	—	—
Grayburg	—	—
O'Brien	—	—
Queen	—	—
Seven Rivers	—	—
Soma	—	—
Toborg	—	—
Tubb	—	—
Yates	—	—

Perforations

Perforated and open-hole intervals.

From	To	Type
10,722	20,185	Perforated

Casing

Strings as reported, shallowest first.

Casing in	Set at	Hole in	Cement
13.375	2,142	17.5	1,880 S
9.625	10,302	12.25	1,620 S
5.5	20,509	8.5	2,275 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	May 28, 2019	Feb 8, 2019	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 42-371-39667 → W-2, G-1, plugging reports, as PDFs
Completion packets for 42-371-39667 → 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 →

Berkley State West Unit42-371-39665

0.0 KM · Halcon Operating Co., Inc. · Section with this well →

Rustler	1,200	1,649
Delaware	5,485	-2,636
Bone Spring	8,100	-5,251
Seven Rivers	—
Queen	—
Yates	—
Grayburg	—
Glorieta	—

12 TOPS · FIRST 8

Berkley State East42-371-39497

0.8 KM · Halcon Operating Co., Inc. · Section with this well →

Tubb	—
Glorieta	—
Grayburg	—
O'Brien	—
Queen	—
Rustler	—
Seven Rivers	—
Soma	—

10 TOPS · FIRST 8

Ethel-Jesper East42-371-39533

0.8 KM · Halcon Operating Co., Inc. · Section with this well →

Toborg	100	2,754
Yates	700	2,154
Soma	700	2,154
Queen	1,100	1,754
Rustler	1,300	1,554
Seven Rivers	1,400	1,454
Grayburg	1,600	1,254
O'Brien	2,500	354

10 TOPS · FIRST 8

Faye-Faye West A42-371-39565

1.7 KM · Halcon Operating Co., Inc. · Section with this well →

Rustler	1,217	1,635
Queen	—
Glorieta	—
Grayburg	—
O'Brien	—
Seven Rivers	—
Soma	—
Toborg	—

10 TOPS · FIRST 8

Faye-Faye West42-371-39541

1.7 KM · Halcon Operating Co., Inc. · Section with this well →

Rustler	1,180	1,672
Yates	—
Glorieta	—
Grayburg	—
O'Brien	—
Queen	—
Seven Rivers	—
Soma	—

10 TOPS · FIRST 8

Berkley State42-371-38980

2.3 KM · Halcon Operating Co., Inc. · Section with this well →

Bone Spring	8,050	-5,229
Bone Spring	10,097	-7,276
Wolfcamp	10,234	-7,413

Belle Alexandra A42-371-39625

2.4 KM · Halcon Operating Co., Inc. · Section with this well →

O'Brien	—
Queen	—
Rustler	—
Seven Rivers	—
Soma	—
Toborg	—
Tubb	—
Yates	—

10 TOPS · FIRST 8

Belle Alexandra42-371-39514

2.4 KM · Halcon Operating Co., Inc. · Section with this well →

Toborg	—
Soma	—
Rustler	—
Queen	—
Glorieta	—
Seven Rivers	—
O'Brien	—
Grayburg	—

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/37139667, documented in the API reference.