WELL · 42-173-37659 · DISTRICT 8

Clark 1FF #6HK

Y

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

Clark 1ff #6HK (API 42-173-37659) is a horizontal well in Glasscock County operated by Ovintiv USA Inc., completed January 6, 2018 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued August 4, 2017, permitted to 10,000 ft.

It was permitted by Encana Oil & Gas(USA) Inc. and has since transferred to Ovintiv USA Inc. on the wellbore schedule.

Completion filings report 10 formation tops, including Yates, San Andres, Glorieta, Clear Fork.

Its lease has reported 135K barrels of oil and 1.18M mcf of gas since January 2018, last reporting in July 2026.

Operator of record

Ovintiv USA Inc.

Permitted by Encana Oil & Gas(usa) Inc.; the EWA schedule now lists a different operator.

Denver, CO · P-5 Y, filed Oct 4, 2025 · 1,390 permits on file · (877) 386-2200

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleOvintiv USA Inc.
Production reportsOvintiv USA Inc.through Apr 2026
Latest permitEncana Oil & Gas(usa) Inc.Aug 4, 2017

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

10,000
total depth, ft
2
permits on file
Aug 4, 2017
last permit issued
Jan 6, 2018
completed
135K
cumulative oil, bbl
1.18M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 2018 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Jan 6, 2018
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

Surface location

31.857583, -101.580114

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Glasscock 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 →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Clark 1FF O-10-50170Spraberry (Trend Area)Ovintiv USA Inc.1135K1.18MJan 2018 – Jul 2026

Gas, mcf lease total

Last 12 months 72,908 · prior 12 116,893(-38%)

05K10K15K202420252026

Oil, barrels lease total

Last 12 months 5,079 · prior 12 5,386(-6%)

05001K202420252026

Chain of custody

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

  1. 1Encana Oil & Gas(usa) Inc.Jan 2018 → Jan 2020
  2. 2Ovintiv USA Inc.Feb 2020 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
828416-98DrillEncana Oil & Gas(usa) Inc.May 29, 2018Aug 4, 2017Sep 1, 201710,000
828416-99DrillEncana Oil & Gas(usa) Inc.Jun 30, 2017Aug 4, 2017Sep 1, 201710,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-10-50170————

Formation tops

As filed on W-2/G-1. Subsea from 2,713 ft elevation.Download CSV →

FormationMD ftSubsea
Yates1,868845
San AndresSAN ANDRES - HIGH FLOWS, H2S, CO3,200-487
Glorieta4,093-1,380
Clear ForkCLEARFORK4,394-1,681
Spraberry6,131-3,418
Grayburg——
Pennsylvanian——
Queen——
Santa Rosa——
Seven Rivers——

Perforations

Perforated and open-hole intervals.

FromToType
8,10518,099Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37543317.5460 S
9.6257,37512.25510 S
5.518,1978.52,160 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
00Jul 31, 2018May 3, 2018Yes

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 →

Clark 1F42-173-37657

0.0 KM · Encana Oil & Gas(usa) Inc. · Section with this well →

Yates1,868845
San Andres3,200-487
Glorieta4,093-1,380
Clear Fork4,394-1,681
Spraberry6,131-3,418
Santa Rosa—
Seven Rivers—
Wichita-Albany—

10 TOPS · FIRST 8

Clark 1F42-173-37656

0.0 KM · Encana Oil & Gas(usa) Inc. · Section with this well →

Yates1,868845
San Andres3,200-487
Glorieta4,093-1,380
Clear Fork4,394-1,681
Spraberry6,131-3,418
Grayburg—
Wichita-Albany—
Seven Rivers—

10 TOPS · FIRST 8

Clark 1G42-173-37642

0.5 KM · Encana Oil & Gas(usa) Inc. · Section with this well →

Yates1,868846
San Andres3,200-486
Glorieta4,093-1,379
Clear Fork4,394-1,680
Spraberry6,131-3,417
Queen—
Wichita-Albany—
Grayburg—

10 TOPS · FIRST 8

Clark 1X42-173-37643

0.5 KM · Encana Oil & Gas(usa) Inc. · Section with this well →

Yates1,868846
San Andres3,200-486
Glorieta4,093-1,379
Clear Fork4,394-1,680
Spraberry6,131-3,417
Grayburg—
Queen—
Santa Rosa—

10 TOPS · FIRST 8

Clark 1X42-173-37645

0.5 KM · Encana Oil & Gas(usa) Inc. · Section with this well →

Yates1,868846
San Andres3,200-486
Glorieta4,093-1,379
Clear Fork4,394-1,680
Spraberry6,131-3,417
Grayburg—
Queen—
Santa Rosa—

10 TOPS · FIRST 8

Calverley 43/642-173-38113

1.9 KM · Mewbourne Oil Company · Section with this well →

Santa Rosa1,2501,459
Yates1,934775
Seven Rivers2,089620
Grayburg2,452257
San Andres2,744-35
Clear Fork5,851-3,142
Spraberry6,138-3,429
Wichita-Albany—

10 TOPS · FIRST 8

Calverley 42/3142-173-38112

1.9 KM · Mewbourne Oil Company · Section with this well →

Santa Rosa1,2501,459
Yates1,934775
Seven Rivers2,089620
Grayburg2,452257
San Andres2,744-35
Clear Fork5,851-3,142
Spraberry6,138-3,429
Queen—

10 TOPS · FIRST 8

Calverley 43/6 B42-173-38249

2.1 KM · Mewbourne Oil Company · Section with this well →

Santa Rosa1,2381,477
Yates1,887828
Seven Rivers2,078637
Grayburg2,427288
San Andres2,716-1
Clear Fork5,833-3,118
Spraberry6,134-3,419
Glorieta—

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/17337659, documented in the API reference.