TEXAS · WELLS · MONTGOMERY COUNTY · API 42-339-30115 · DISTRICT 03

Conroe Field Unit #411

Shut in

Montgomery County · Conroe field · Shut In  · Vertical

Conroe Field Unit #411 (API 42-339-30115) is a former disposal or injection well in Montgomery County, last operated by Highmark Energy Operating LLC; its UIC permit is no longer active.

The RRC has issued one drilling permit, issued August 13, 1997, permitted to 5,200 ft.

It was permitted by Exxon Corp. and has since transferred to Highmark Energy Operating LLC on the wellbore schedule.

Its 2 leases have reported 26.7M barrels of oil and 62M mcf of gas since January 1993, last reporting in July 2026. The leases carry 665 wells, so these are lease totals, not this well alone.

Operator of record

Highmark Energy Operating LLC

Permitted by Exxon Corp.; the EWA schedule now lists a different operator.

Based in
Houston, TX
P-5 status
Active (A)
P-5 last filed
Mar 9, 2026
Permits on file
23
Phone
(469) 214-5299

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleHighmark Energy Operating LLC
Production reportsHighmark Energy Operating, LLCthrough Apr 2026
Latest permitExxon Corp.Aug 13, 1997

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

5,200
total depth, ft
1
permits on file
Aug 13, 1997
last permit issued
—
completed
26.7M
cumulative oil, bbl
62M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
—
Shut in
Jun 1, 2012
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 665 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Conroe Field Unit O-3-11659ConroeHighmark Energy Operating, LLC66426.7M61.4MJan 1993 – Jul 2026
Conroe Field Unit G-3-164260ConroeWapiti Operating, LLC10642KJul 1997 – May 2008

Oil, barrels lease total

Last 12 months 528,577 · prior 12 506,957(+4%)

020K40K60K202420252026

Gas, mcf lease total

Last 12 months 174,487 · prior 12 323,330(-46%)

050K100K202420252026

Chain of custody

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

  1. 1Exxon Corp.Jan 1993 → Mar 2000
  2. 2Exxon Mobil CorporationApr 2000 → Aug 2006
  3. 3Wapiti Operating, LLCSep 2006 → Dec 2009
  4. 4Denbury Onshore, LLCJan 2010 → Oct 2024
  5. 5Highmark Energy Operating, LLCNov 2024 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
466220-99ReclassExxon Corp.Aug 13, 1997Aug 13, 1997May 27, 19974,965

Completions

CompletedLeaseFieldOperatorStatusDepth
—Conroe Field Unit O-3-11659ConroeHighmark Energy Operating LLCShut In · shut in Jun 1, 20125,200
Jul 29, 1997Conroe Field Unit G-3-164260ConroeWapiti Operating LLCNot on Schedule—
Oct 11, 1996Conroe Field Unit O-3-11659ConroeHighmark Energy Operating LLCNot on Schedule—
Dec 11, 1984Conroe Field Unit O-3-11659ConroeHighmark Energy Operating LLCNot on Schedule—
—Griffin B. D. O-3-856ConroeExxon Corp.Not on Schedule—

Perforations

Perforated and open-hole intervals.

FromToType
4,7584,765Perforated
4,7694,784Perforated
4,8374,857Perforated
4,8444,878Perforated
4,8654,879Perforated
4,8864,895Perforated
4,9844,988Perforated
—5,200Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37529817.25450 S
13.37530817.25450 S
8.6251,03212.25500 S
8.6251,03312.25500 S
2.8754,723——
5.55,1997.875690 S
5.55,2007.875690 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 15, 2008Jul 14, 2008—
00Aug 15, 2008——
00Oct 6, 1997Aug 28, 1997Yes
00Sep 15, 1997——
00Dec 5, 1996Oct 17, 1996—
00Jan 31, 1985Jan 14, 1985—
00Jan 12, 1984Oct 10, 1979—
00Jan 12, 1984——

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
Mar 1996
reported through
UICKindStatusPermitted bbl/dMax psiZone ft
000002491H-1 InjectionCanceled Dec 5, 1996004,780–4,985

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

Last 12 months 0 · prior 12 0

0119951996

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/33930115, documented in the API reference.