TEXAS · WELLS · CROCKETT COUNTY · API 42-105-40622 · DISTRICT 6E

McMullen Ranch D 111 #4

Y

Crockett County · Whitehead (Strawn) field · SWR-10-Well  · Vertical

Mcmullen Ranch D 111 #4 (API 42-105-40622) is a well in Crockett County operated by Upp Operating LLC, completed October 17, 2008 and listed as swr-10-well on the RRC schedule.

The RRC has issued one drilling permit, issued June 23, 2008, permitted to 9,057 ft.

It was permitted by Highmount Expl & Prod Texas LLC and has since transferred to Upp Operating LLC on the wellbore schedule.

Completion filings report 4 formation tops, including Base Cretaceou, Base Cretaceous (marker), Canyon, Strawn.

No lease production has been reported under this well’s leases.

Operator of record

Upp Operating LLC

Permitted by Highmount Expl & Prod Texas LLC; the EWA schedule now lists a different operator.

Based in
Houston, TX
P-5 status
Active (A)
P-5 last filed
Mar 6, 2026
Permits on file
33
Phone
(713) 495-5300

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleUpp Operating LLC
Production reportsUpp Operating, LLCthrough Apr 2026
Latest permitHighmount Expl & Prod Texas LLCJun 23, 2008

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

9,057
total depth, ft
1
permits on file
Jun 23, 2008
last permit issued
Oct 17, 2008
completed
0
cumulative oil, bbl
548K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Oct 2008 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Oct 17, 2008
Shut in
—
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 2 leases this well is completed on; they carry 2 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
McMullen Ranch D 111 G-9-244239Sawyer (Canyon)Upp Operating, LLC10522KOct 2008 – Jul 2026
McMullen Ranch D 111 G-9-244240Whitehead (Strawn)Upp Operating, LLC1025.7KOct 2008 – Jul 2026

Gas, mcf lease total

Last 12 months 10,214 · prior 12 11,192(-9%)

05001K1.5K202420252026

Chain of custody

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

  1. 1Highmount Expl & Prod Texas LLCOct 2008 → Sep 2014
  2. 2Enervest Operating, L.L.C.Oct 2014 → Mar 2019
  3. 3Upp Operating, LLCApr 2019 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
658569-99DrillHighmount Expl & Prod Texas LLCApr 1, 2008Jun 23, 2008Sep 24, 20089,375

Completions

CompletedLeaseFieldOperatorStatusDepth
Oct 17, 2008McMullen Ranch D 111 G-9-244240Whitehead (Strawn)Upp Operating LLCSWR-10-Well · shut in Nov 1, 20089,057
Oct 17, 2008McMullen Ranch D 111 G-9-244239Sawyer (Canyon)Upp Operating LLCProducing9,057

Formation tops

As filed on W-2/G-1. Subsea from 2,289 ft elevation.Download CSV →

FormationMD ftSubsea
Base Cretaceou4661,823
Base Cretaceous (marker)BASE CRETACEOUS4661,823
Canyon6,963-4,674
Strawn8,404-6,115

Perforations

Perforated and open-hole intervals.

FromToType
7,5247,876Perforated
8,4208,982Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.6251,12511350 S
4.59,0347.875500 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 16, 2009Dec 1, 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) 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/10540622, documented in the API reference.