WELL · 42-475-37996 · DISTRICT 8

G.W. O Brien et AL #4H

N

Ward County · Wildcat field  · Horizontal

G.W. O Brien ET AL #4H (API 42-475-37996) is a horizontal well in Ward County operated by Bosque Texas Oil LLC, completed December 2, 2019.

The RRC has issued one drilling permit, issued August 21, 2019, permitted to 23,000 ft.

Completion filings report 12 formation tops, including Holt, Clear Fork, Woodford, Delaware.

Its 2 leases have reported 980K barrels of oil and 3.79M mcf of gas since April 2019, last reporting in July 2026. The leases carry 8 wells, so these are lease totals, not this well alone.

Operator of record

Bosque Texas Oil LLC

Midland, TX · P-5 Y, filed Apr 4, 2026 · 66 permits on file · (432) 221-0499

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleBosque Texas Oil LLC
Production reportsBosque Texas Oil LLCthrough Apr 2026
Latest permitBosque Texas Oil LLCAug 21, 2019
23,000
total depth, ft
1
permits on file
Aug 21, 2019
last permit issued
Dec 2, 2019
completed
980K
cumulative oil, bbl
3.79M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Apr 2019 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Dec 2, 2019
Shut in
—
Plugged
—

Surface location

31.616487, -103.030868

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Ward County.

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 8 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
G.W. O'Brien et AL O-10-55583Ruppel (Woodford)Bosque Texas Oil LLC4980K3.79MMay 2019 – Jul 2026
G.W. O'Brien et AL O-10-52334WildcatBosque Texas Oil LLC400Apr 2019 – Jan 2023

Oil, barrels lease total

Last 12 months 62,356 · prior 12 76,472(-18%)

05K10K202420252026

Gas, mcf lease total

Last 12 months 241,968 · prior 12 317,280(-24%)

020K40K202420252026

Chain of custody

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

  1. 1Marathon Oil EF LLCJun 2019 → Jun 2019
  2. 2Bosque Texas Oil LLCJul 2019 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
856365-99DrillBosque Texas Oil LLCAug 19, 2019Aug 21, 2019Sep 15, 201923,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-52334————
—— O-10-55583————

Formation tops

As filed on W-2/G-1. Subsea from 2,692 ft elevation.Download CSV →

FormationMD ftSubsea
Holt5,347-2,655
Clear ForkCLEARFORK5,840-3,148
Woodford13,143-10,451
Delaware——
Glorieta——
Queen——
Rustler——
San AndresSAN ANDRES - HIGH FLOWS, H2S, CO——
Seven Rivers——
Tubb——
Wichita-AlbanyWICHITA ALBANY——
Yates——

Perforations

Perforated and open-hole intervals.

FromToType
11,84611,931Open hole
13,65621,237Perforated
13,65621,372Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
20749241,070 S
13.3754,03117.53,065 S
9.62511,37812.252,580 S
5.521,3326.75910 S
5.521,3328.5910 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
00Mar 10, 2022Jan 25, 2022Yes
00Jan 12, 2022Jul 7, 2021—
00Jun 2, 2021Jul 16, 2020—
00Jul 24, 2020May 28, 2020Yes

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) 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 →

G.W. Obrien et AL42-475-37864

0.7 KM · Four Corners Petroleum II, LLC · Section with this well →

Rustler1,3851,575
Queen2,611349
Yates2,744216
San Andres—
Seven Rivers—
Tubb—
Clear Fork—
Delaware—

10 TOPS · FIRST 8

G.W. Obrien et AL42-475-37669

0.7 KM · Bosque Texas Oil LLC · Section with this well →

San Andres4,169-1,482
Holt5,439-2,752
Clear Fork5,764-3,077
Woodford13,165-10,478
Kinderhook13,591-10,904
Woodford13,918-11,231
Glorieta—
Yates—

13 TOPS · FIRST 8

G.W. Obrien et AL42-475-37630

2.4 KM · Four Corners Petroleum II, LLC · Section with this well →

San Andres3,747-1,101
Holt5,011-2,365
Clear Fork5,505-2,859
Tubb6,423-3,777
Yates—
Glorieta—
Queen—
Rustler—

10 TOPS · FIRST 8

Sealy George42-475-38968

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

Rustler1,819928
Yates2,73710
Capitan3,141-394
Queen—
San Andres—
Seven Rivers—
Clear Fork—
Delaware—

10 TOPS · FIRST 8

G.W. Obrien et AL42-475-37666

2.8 KM · Four Corners Petroleum II, LLC · Section with this well →

Rustler1,1111,533
Seven Rivers2,403241
Yates2,509135
Queen2,977-333
San Andres3,674-1,030
Holt4,963-2,319
Glorieta4,963-2,319
Clear Fork5,395-2,751

10 TOPS · FIRST 8

G. W. O'Brien et AL42-475-37433

2.9 KM · Four Corners Petroleum II, LLC · Section with this well →

Rustler1,1521,503
Yates2,541114
Queen3,009-354
San Andres3,728-1,073
Holt5,028-2,373
Clear Fork5,243-2,588
Tubb6,591-3,936
Delaware—

10 TOPS · FIRST 8

G.W. Obrien et AL42-475-37640

3.1 KM · Four Corners Petroleum II, LLC · Section with this well →

San Andres3,710-1,036
Holt4,967-2,293
Clear Fork5,473-2,799
Tubb6,349-3,675
Delaware—
Queen—
Yates—
Rustler—

10 TOPS · FIRST 8

G. W. O'Brien Etal42-475-37452

3.3 KM · Four Corners Petroleum II, LLC · Section with this well →

Rustler1,0111,677
Yates2,565123
Seven Rivers2,848-160
Queen3,047-359
San Andres3,730-1,042
Holt5,022-2,334
Clear Fork5,407-2,719
Tubb6,357-3,669

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/47537996, documented in the API reference.