WELL · 42-317-41901 · DISTRICT 8

Kathryn Ida Unit West #603H

Y

Martin County · Spraberry (Trend Area) field · Producing  · Horizontal

Kathryn Ida Unit West #603H (API 42-317-41901) is a horizontal well in Martin County operated by Diamondback E&P LLC, completed June 28, 2019 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued November 1, 2018, permitted to 12,000 ft.

It was permitted by Energen Resources Corporation and has since transferred to Diamondback E&P LLC on the wellbore schedule.

Completion filings report 10 formation tops, including Santa Rosa, Yates, Queen, Grayburg.

Its lease has reported 1.06M barrels of oil and 2.24M mcf of gas since June 2019, last reporting in July 2026. The lease carries 4 wells, so these are lease totals, not this well alone.

Operator of record

Diamondback E&P LLC

Permitted by Energen Resources Corporation; the EWA schedule now lists a different operator.

Midland, TX · P-5 Y, filed Mar 4, 2026 · 5,231 permits on file · (855) 247-5920

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleDiamondback E&P LLC
Production reportsDiamondback E&P LLCthrough Apr 2026
Latest permitEnergen Resources CorporationNov 1, 2018

The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.

12,000
total depth, ft
2
permits on file
Nov 1, 2018
last permit issued
Jun 28, 2019
completed
1.06M
cumulative oil, bbl
2.24M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jun 2019 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Jun 28, 2019
Shut in
—
Plugged
—

Operator's P-5 on the schedule: X

Surface location

32.393808, -102.015627

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Martin 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; they carry 4 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Kathryn Ida Unit West O-10-54436Spraberry (Trend Area)Diamondback E&P LLC41.06M2.24MJun 2019 – Jul 2026

Oil, barrels lease total

Last 12 months 83,714 · prior 12 91,394(-8%)

05K10K15K202420252026

Gas, mcf lease total

Last 12 months 234,732 · prior 12 224,573(+5%)

020K40K202420252026

Chain of custody

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

  1. 1Diamondback E&P LLCJun 2019 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
846413-98DrillEnergen Resources CorporationDec 18, 2018Nov 1, 2018Jan 9, 201912,000
846413-99DrillEnergen Resources CorporationNov 1, 2018Nov 1, 2018Jan 9, 201912,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-54436————

Formation tops

As filed on W-2/G-1. Subsea from 2,858 ft elevation.Download CSV →

FormationMD ftSubsea
Santa Rosa1,4591,399
Yates2,76890
Queen3,639-781
Grayburg3,835-977
San AndresSAN ANDRES - ACTIVE CO2 FLOOD; H4,242-1,384
Spraberry7,897-5,039
Cisco——
Dean——
Pennsylvanian——
Wolfcamp——

Perforations

Perforated and open-hole intervals.

FromToType
8,85320,197Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3751,80917.51,330 S
9.6257,99512.25980 S
5.520,3138.53,360 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
00Sep 1, 2020Jul 20, 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 →

Kathryn Ida Unit West42-317-41900

0.0 KM · Energen Resources Corporation · Section with this well →

Santa Rosa1,4441,414
Yates2,77880
Queen3,655-797
Grayburg3,842-984
San Andres4,244-1,386
Clear Fork6,393-3,535
Spraberry7,901-5,043
Dean—

11 TOPS · FIRST 8

Kathryn Ida Unit West42-317-42733

0.3 KM · Diamondback E&P LLC · Section with this well →

Santa Rosa1,4451,413
Yates2,77088
Queen3,650-792
Grayburg3,844-986
San Andres4,255-1,397
Clear Fork6,381-3,523
Spraberry7,877-5,019
Dean9,214-6,356

11 TOPS · FIRST 8

Kathryn Ida Unit West42-317-42734

0.3 KM · Diamondback E&P LLC · Section with this well →

Santa Rosa1,4451,414
Yates2,77089
Queen3,650-791
Grayburg3,844-985
San Andres4,255-1,396
Clear Fork6,381-3,522
Spraberry7,877-5,018
Wolfcamp—

10 TOPS · FIRST 8

Kathryn Ida Unit West42-317-42732

0.3 KM · Diamondback E&P LLC · Section with this well →

Santa Rosa1,4451,415
Yates2,77090
Queen3,650-790
Grayburg3,844-984
San Andres4,255-1,395
Clear Fork6,381-3,521
Spraberry7,877-5,017
Dean9,214-6,354

10 TOPS · FIRST 8

Kathryn Ida Unit42-317-41892

0.3 KM · Energen Resources Corporation · Section with this well →

Santa Rosa1,4441,421
Yates2,77887
Queen3,649-784
Grayburg3,836-971
San Andres4,250-1,385
Spraberry7,903-5,038
Dean9,251-6,386
Wolfcamp9,435-6,570

10 TOPS · FIRST 8

Kathryn Ida Unit42-317-41895

0.3 KM · Energen Resources Corporation · Section with this well →

Santa Rosa1,4441,421
Yates2,77887
Queen3,655-790
Grayburg3,842-977
San Andres4,243-1,378
Spraberry7,905-5,040
Cisco—
Wolfcamp—

10 TOPS · FIRST 8

Kathryn Ida Unit42-317-41896

0.4 KM · Energen Resources Corporation · Section with this well →

Santa Rosa1,4441,421
Yates2,77887
Queen3,649-784
Grayburg3,836-971
San Andres4,250-1,385
Spraberry7,903-5,038
Dean9,248-6,383
Wolfcamp9,424-6,559

10 TOPS · FIRST 8

Kathryn Ida Unit42-317-41894

0.4 KM · Energen Resources Corporation · Section with this well →

Santa Rosa1,4751,390
Yates2,77689
Queen3,647-782
Grayburg3,832-967
San Andres4,243-1,378
Spraberry7,899-5,034
Dean—
Cisco—

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/31741901, documented in the API reference.