WELL · 42-211-34295 · DISTRICT 10

Isaacs E #1

N

Hemphill County · Mendota NW. (Granite Wash) field  · Vertical

Isaacs E #1 (API 42-211-34295) is a well in Hemphill County operated by Unit Petroleum Company, completed September 16, 2008.

The RRC has issued 2 drilling permits (amended once) between 2008 and 2024, permitted to 11,303 ft.

Completion filings report 9 formation tops, including Brown Dolomite, Douglas, Kansas City, Kc.

Its 2 leases have reported 7.09K barrels of oil and 297K mcf of gas since September 2008, last reporting in July 2026. The leases carry 2 wells, so these are lease totals, not this well alone.

Operator of record

Unit Petroleum Company

Tulsa, OK · P-5 Y, filed Dec 4, 2025 · 1,100 permits on file · (918) 493-7700

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleUnit Petroleum Company
Production reportsUnit Petroleum Companythrough Apr 2026
Latest permitUnit Petroleum CompanyAug 23, 2024
11,303
total depth, ft
3
permits on file
Aug 23, 2024
last permit issued
Sep 16, 2008
completed
7.09K
cumulative oil, bbl
297K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Sep 2008 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Sep 16, 2008
Shut in
—
Plugged
—

Surface location

35.853987, -100.526354

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Hemphill 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 2 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Isaacs E O-14-9863Canadian, SE (Douglas)Unit Petroleum Company17.09K11.1KJan 2025 – Jul 2026
Isaacs "E" G-14-244173Mendota, NW. (Granite Wash, SW.)Unit Petroleum Company10286KSep 2008 – Jan 2025

Oil, barrels lease total

Last 12 months 5,659 · prior 12 1,427(+297%)

0200400600202420252026

Gas, mcf lease total

Last 12 months 10,265 · prior 12 1,222(+740%)

05001K202420252026

Chain of custody

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

  1. 1Unit Petroleum CompanySep 2008 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
902220-98RecompletionUnit Petroleum CompanyApr 1, 2025Aug 23, 2024—11,303
902220-99RecompletionUnit Petroleum CompanyAug 22, 2024Aug 23, 2024—8,000
663298-99DrillUnit Petroleum CompanyMay 29, 2008Jun 18, 2008Jun 26, 200811,300

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-14-244173————
—— O-14-9863————

Formation tops

As filed on W-2/G-1. Subsea from 2,549 ft elevation.Download CSV →

FormationMD ftSubsea
Brown Dolomite3,890-1,341
Douglas6,828-4,279
Kansas City8,021-5,472
KC8,021-5,472
Marmaton8,942-6,393
Granite Wash9,413-6,864
Novi10,767-8,218
13 Finger10,862-8,313
Morrow11,000-8,451

Perforations

Perforated and open-hole intervals.

FromToType
7,2147,228Perforated
9,8279,900Perforated
10,06610,099Perforated
10,32110,328Perforated
10,61410,698Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.6252,83412.251,075 S
5.510,8588.75745 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
00Apr 16, 2025Feb 20, 2025—
00Feb 23, 2009Nov 21, 2008Yes
00Jan 24, 2009——

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.

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 →

Vollmert C42-211-34621

0.7 KM · Unit Petroleum Company · Section with this well →

Brown Dolomite3,980-1,351
Douglas6,916-4,287
Kansas City8,112-5,483
Marmaton9,050-6,421
Granite Wash9,520-6,891
Novi10,810-8,181
13 Finger10,890-8,261

Vollmert 'C'42-211-34301

1.4 KM · Unit Petroleum Company · Section with this well →

Brown Dolomite3,968-1,332
Douglas6,878-4,242
KC8,060-5,424
Kansas City8,060-5,424
Marmaton8,985-6,349
Granite Wash9,450-6,814
Novi10,712-8,076
13 Finger10,790-8,154

9 TOPS · FIRST 8

Vollmert "C"42-211-34298

1.9 KM · Unit Petroleum Company · Section with this well →

Douglas6,917-4,241
Heebner6,917-4,241
Douglas6,917-4,241
Granite Wash9,738-7,062
Novi11,010-8,334

Vollmert, J. C.42-393-31941

2.1 KM · Unit Petroleum Company · Section with this well →

Brown Dolomite3,932-1,323
Douglas6,847-4,238
Kansas City8,004-5,395
Granite Wash9,346-6,737
13 Finger10,745-8,136
Morrow10,823-8,214

Isaacs C42-211-33714

2.2 KM · Unit Petroleum Company · Section with this well →

Brown Dolomite3,915-1,293
Base Red Beds3,915-1,293
Red Beds3,915-1,293
Douglas6,838-4,216
Base Heebner6,838-4,216
Heebner6,838-4,216
Kansas City8,072-5,450
Marmaton9,120-6,498

12 TOPS · FIRST 8

Waterfield 'A'42-393-32180

5.0 KM · Unit Petroleum Company · Section with this well →

Brown Dolomite4,119-1,316
Douglas6,930-4,127
Kansas City8,145-5,342
Marmaton9,120-6,317
Granite Wash9,535-6,732
Novi Lime10,675-7,872
13 Finger10,755-7,952

Susan R. Kaufman42-393-30128

6.7 KM · Mmgl Txph, LLC · Section with this well →

Brown Dolomite4,256-1,341
Douglas7,126-4,211
Tonkawa7,543-4,628
Kansas City8,182-5,267
Cherokee10,200-7,285
Morrow10,930-8,015
Morrow11,388-8,473
Morrow12,195-9,280

J.W. Campbell Unit42-211-31270

7.0 KM · Lone Tree Oil & Gas LLC · Section with this well →

Marmaton9,188-6,664
Granite Wash9,849-7,325
St. Clair (Granite Wash)10,027-7,503

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/21134295, documented in the API reference.