WELL · 42-003-05585 · DISTRICT 8

Clark Frank #7

Shut in

Andrews County · Andrews (Wolfcamp-Penn.) field · Shut IN  · Vertical

Clark Frank #7 (API 42-003-05585) is a well in Andrews County operated by Morningstar Operating LLC, completed August 8, 2012 and listed as shut in on the RRC schedule, shut in May 1, 2010.

The RRC has issued 2 drilling permits between 1988 and 1996, permitted to 12,440 ft.

It was permitted by Union Oil Company Of California and has since transferred to Morningstar Operating LLC on the wellbore schedule.

Completion filings report 3 formation tops, including Wolfcamp, Pennsylvanian, Canyon.

Its 3 leases have reported 372K barrels of oil and 683K mcf of gas since January 1993, last reporting in July 2026. The leases carry 6 wells, so these are lease totals, not this well alone.

Operator of record

Morningstar Operating LLC

Permitted by Union Oil Company of California; the EWA schedule now lists a different operator.

Based in
Fort Worth, TX
P-5 status
Active (A)
P-5 last filed
Feb 18, 2026
Permits on file
12
Phone
(817) 334-8096

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleUnion Oil Company of California
Production reportsMorningstar Operating LLCthrough Apr 2026
Latest permitUnion Oil Company of CaliforniaSep 11, 1996

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

12,440
total depth, ft
2
permits on file
Sep 11, 1996
last permit issued
Aug 8, 2012
completed
372K
cumulative oil, bbl
683K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Aug 8, 2012
Shut in
May 1, 2010
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 3 leases this well is completed on; they carry 6 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Clark, Frank O-10-34704Andrews (Wolfcamp-Penn.)Morningstar Operating LLC4362K669KOct 1995 – Jul 2026
Clarke, Frank, a/C 4 O-10-15683Andrews, N. (Devonian)Union Oil Company of California100Jan 1993 – Mar 1999
Clark, Frank O-10-32023Parker (Wolfcamp)Union Oil Company of California19.79K13.7KJan 1993 – Feb 1999

Oil, barrels lease total

Last 12 months 10,430 · prior 12 11,195(-7%)

01K2K3K202420252026

Gas, mcf lease total

Last 12 months 2,392 · prior 12 9,728(-75%)

02K4K6K202420252026

Chain of custody

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

  1. 1Union Oil Company of CaliforniaJan 1993 → May 2000
  2. 2Pure Resources, L.P.Jun 2000 → Mar 2006
  3. 3Chevron Midcontinent, L.P.Apr 2006 → Nov 2021
  4. 4Morningstar Partners, L.P.Jan 2022 → Apr 2022
  5. 5Morningstar Operating LLCMay 2022 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
452488-99Field transferUnion Oil Company of CaliforniaSep 10, 1996Sep 11, 1996—9,400
351261-99RecompletionUnion Oil Company of CaliforniaSep 15, 1988Sep 16, 1988—12,440

Completions

CompletedLeaseFieldOperatorStatusDepth
Aug 8, 2012Clark Frank O-10-34704Andrews (Wolfcamp-Penn.)Morningstar Operating LLCShut IN · shut in May 1, 201012,440
Aug 8, 2012Clark Frank O-10-34704Andrews (Wolfcamp-Penn.)Morningstar Operating LLCShut IN · shut in May 1, 201012,440
Jul 22, 1988Clark Frank O-10-32023Parker (Wolfcamp)Union Oil Company of CaliforniaNot on Schedule—
Dec 15, 1961Clarke Frank a/C 5 O-10-15566Andrews North (Ellenburger)Union Oil Company of CaliforniaNot on Schedule—
Dec 15, 1961Clarke Frank a/C 4 O-10-15683Andrews N. (Devonian)Union Oil Company of CaliforniaNot on Schedule—

Formation tops

As filed on W-2/G-1. Subsea from 3,196 ft elevation.Download CSV →

FormationMD ftSubsea
WolfcampWOLFCAMP REEF8,580-5,384
PennsylvanianPENN DETRITAL8,762-5,566
PennsylvanianPENN LIME8,982-5,786
Canyon9,110-5,914

Perforations

Perforated and open-hole intervals.

FromToType
8,6308,684Perforated
8,6309,070Perforated
10,46010,484Perforated
12,40412,414Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37547917.5450 S
13.375479—450 S
9.6254,92212.251,850 S
9.6254,922—1,850 S
77,695——
210,450——
212,416——
712,4407.8751,565 S
712,440—1,565 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 2, 2014Oct 10, 2012—
00Mar 10, 1999Aug 5, 1998—
00Feb 17, 1999Oct 21, 1988Yes
00Nov 28, 1988Oct 21, 1988Yes
00Nov 11, 1988——
00Jan 12, 1984Dec 28, 1961—

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.

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/00305585, documented in the API reference.