WELL · 42-329-35539 · DISTRICT 8

JW 8 #4

Y

Midland County · Spraberry (Trend Area) field · Producing  · Vertical

JW 8 #4 (API 42-329-35539) is a well in Midland County operated by Discovery Operating Inc., completed August 26, 2020 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued June 16, 2006, permitted to 10,115 ft.

Completion filings report 2 formation tops, including Spraberry, Wolfcamp.

Its lease has reported 569K barrels of oil and 652K mcf of gas since June 2005, last reporting in July 2026. The lease carries 8 wells, so these are lease totals, not this well alone.

Operator of record

Discovery Operating Inc.

Based in
Midland, TX
P-5 status
Active (A)
P-5 last filed
Mar 31, 2026
Permits on file
712
Phone
(432) 683-5203

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleDiscovery Operating Inc.
Production reportsDiscovery Operating, Inc.through Apr 2026
Latest permitDiscovery Operating, Inc.Jun 16, 2006
10,115
total depth, ft
1
permits on file
Jun 16, 2006
last permit issued
Aug 26, 2020
completed
569K
cumulative oil, bbl
652K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jun 2005 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Aug 26, 2020
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 8 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
JW 8 O-10-37623Spraberry (Trend Area)Discovery Operating, Inc.8569K652KJun 2005 – Jul 2026

Oil, barrels lease total

Last 12 months 27,895 · prior 12 21,480(+30%)

02K4K6K202420252026

Gas, mcf lease total

Last 12 months 26,139 · prior 12 19,343(+35%)

02K4K202420252026

Chain of custody

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

  1. 1Discovery Operating, Inc.Jun 2005 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
619620-99DrillDiscovery Operating, Inc.May 19, 2006Jun 16, 2006Oct 22, 200610,500

Completions

CompletedLeaseFieldOperatorStatusDepth
Aug 26, 2020JW 8 O-10-37623Spraberry (Trend Area)Discovery Operating Inc.Producing10,115

Formation tops

As filed on W-2/G-1. Subsea from 2,802 ft elevation.Download CSV →

FormationMD ftSubsea
Spraberry7,796-4,994
Wolfcamp9,400-6,598

Perforations

Perforated and open-hole intervals.

FromToType
7,9709,938Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
12.7532217.5365 S
8.6254,95511475 S
4.510,1157.875980 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 →

SuffixFiledW-2 / G-1 dateLogs referenced
00Oct 3, 2024Jul 16, 2024—
00Oct 2, 2020Sep 24, 2020—
00May 10, 2010Oct 15, 2009—
00Oct 17, 2007Jul 25, 2007Yes
00Oct 11, 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.

Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward). 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/32935539, documented in the API reference.