WELL · 42-321-32162 · DISTRICT 3

Trull #4

N

Matagorda County · Markham field  · Vertical

Trull #4 (API 42-321-32162) is a well in Matagorda County operated by Underground Services Markham LLC, completed August 24, 2007.

The RRC has issued one drilling permit, issued February 12, 2007, permitted to 6,850 ft.

It was permitted by Underground Services Markham, LP and has since transferred to Underground Services Markham LLC on the wellbore schedule.

Completion filings report 10 formation tops, including Caprock, Top Salt, Anahuac, Frio.

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

It holds an active disposal or injection permit.

Operator of record

Underground Services Markham LLC

Permitted by Underground Services Markham, LP; the EWA schedule now lists a different operator.

Houston, TX · P-5 Y, filed Jan 5, 2026 · 8 permits on file · (713) 877-2700

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleUnderground Services Markham LLC
Production reportsnone
Latest permitUnderground Services Markham, LPFeb 12, 2007

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

6,850
total depth, ft
1
permits on file
Feb 12, 2007
last permit issued
Aug 24, 2007
completed
0
cumulative oil, bbl
0
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Aug 24, 2007
Shut in
—
Plugged
—

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 9 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Trull O-3-11294MarkhamUnderground Services Markham,llc800Jan 1993 – Jul 2026
Trull-Iellc O-3-27169MarkhamIngleside Ethylene, LLC100Nov 2016 – Jul 2026

No volumes reported on these leases in the last three years.

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
632278-99DrillUnderground Services Markham, LPJan 22, 2007Feb 12, 2007May 13, 20076,850

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-3-11294————
—— O-3-27169————

Formation tops

As filed on W-2/G-1. Subsea from 35 ft elevation.Download CSV →

FormationMD ftSubsea
CaprockTOP CAPROCK1,885-1,850
Top Salt1,995-1,960
Anahuac——
CaprockCAPROCK - DISPOSAL——
FrioFRIO - DISPOSAL——
FrioFRIO, LOWER——
Grant - Disposal——
Gretta - Disposal——
Miocene (undifferentiated)MIOCENE - DISPOSAL——
Nodosaria——
Tex Miss——
Willis - Disposal——

Perforations

Perforated and open-hole intervals.

FromToType
3,4784,686Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
4218542—
36602422,690 S
36633422,690 S
301,772404,425 S
301,803404,425 S
302,268203,720 S
202,300303,720 S
223,478162,965 S
163,509222,965 S
13.3753,829——

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
00Aug 18, 2020Jul 28, 2020—
00Jan 24, 2017Mar 27, 2008—
00Jun 23, 2008Mar 27, 2008Yes
00Mar 27, 2008——

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.

Beyond the permit record

RRC UIC permits · H-10 reported volumes

Injection

0
bbl, last 12 reported months
0
bbl, all reported
Jan 1993
reported through
UICKindStatusPermitted bbl/dMax psiZone ft
000072430UIC PermitActive000–0

MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS

Last 12 months 0 · prior 12 0

0119921993

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/32132162, documented in the API reference.