TEXAS · WELLS · HARRIS COUNTY · API 42-201-32106 · DISTRICT 03

Olcott Gas Unit 4 #1

Plugged

Harris County · Olcott (Miocene 2700) field  · Vertical

Olcott Gas Unit 4 #1 (API 42-201-32106) is a plugged well in Harris County, plugged July 7, 2013, last operated by Denbury Onshore LLC.

The RRC has issued 5 drilling permits between 1987 and 1999, permitted to 4,700 ft.

It was permitted by Exxon Corp. and has since transferred to Denbury Onshore LLC on the wellbore schedule.

Completion filings report 3 formation tops, including 3300 Sand, 3500 Sand, 3500' Sand.

Operator of record

Denbury Onshore LLC

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

Based in
Spring, TX
P-5 status
Active (A)
P-5 last filed
Dec 30, 2025
Permits on file
789
Phone
(866) 831-3235

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleExxon Corp.
Production reportsExxon Mobil Corporationthrough Apr 2011
Latest permitExxon Corp.Aug 20, 1999

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

4,700
total depth, ft
5
permits on file
Aug 20, 1999
last permit issued
Sep 10, 1999
completed
0
cumulative oil, bbl
2.15M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2013

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Sep 10, 1999
Shut in
—
Plugged
Jul 7, 2013

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 5 leases this well is completed on; they carry 5 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Olcott Gas Unit 4 G-3-174646Olcott (Miocene 2700)Denbury Onshore, LLC101.04MSep 1999 – Jul 2013
Olcott GU 4 G-3-168458Olcott (Miocene 3000)Exxon Corp.10444KJan 1998 – Dec 1999
Olcott GU 4 G-3-155986Olcott (Miocene 3100)Exxon Corp.10467KOct 1995 – Jan 1998
Olcott GU 4 G-3-148717Olcott (Miocene 3300)Exxon Corp.10189KDec 1993 – Oct 1995
Olcott GU 4 G-3-127324Olcott (Miocene 3500)Exxon Corp.109.98KJan 1993 – Dec 1993

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

Chain of custody

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

  1. 1Exxon Corp.Sep 1993 → Mar 2000
  2. 2Exxon Mobil CorporationApr 2000 → Apr 2011

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
486847-99RecompletionExxon Corp.Aug 20, 1999Aug 20, 1999Sep 3, 19993,230
470222-99RecompletionExxon Corp.Nov 17, 1997Nov 25, 1997Nov 3, 19973,230
438828-99RecompletionExxon Corp.Aug 11, 1995Aug 11, 1995Aug 1, 19953,182
418368-99RecompletionExxon Corp.Nov 17, 1993Nov 17, 1993Dec 6, 19934,428
338423-99DrillExxon Corp.Nov 17, 1987Nov 20, 1987—4,700

Completions

CompletedLeaseFieldOperatorStatusDepth
Sep 10, 1999Olcott Gas Unit 4 G-3-174646Olcott (Miocene 2700)Denbury Onshore LLCPlugged—
Jan 13, 1998Olcott GU 4 G-3-168458Olcott (Miocene 3000)Exxon Corp.Plugged—
Oct 4, 1995Olcott GU 4 G-3-155986Olcott (Miocene 3100)Exxon Corp.Plugged—
Dec 20, 1993Olcott GU 4 G-3-148717Olcott (Miocene 3300)Exxon Corp.Plugged—
Apr 12, 1988Olcott GU 4 G-3-127324Olcott (Miocene 3500)Exxon Corp.Plugged—

Formation tops

As filed on W-2/G-1. Subsea from 55 ft elevation.Download CSV →

FormationMD ftSubsea
3300 Sand3,276-3,221
3500 Sand3,481-3,426
3500' Sand3,481-3,426

Perforations

Perforated and open-hole intervals.

FromToType
2,6622,683Perforated
2,9802,990Perforated
3,1163,126Perforated
3,2913,296Perforated
3,4813,487Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
1663——
9.6251,55612.25935 S
5.54,5798.75980 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
00Nov 9, 1999Oct 8, 1999Yes
00Nov 3, 1999——
00Jun 29, 1998Feb 23, 1998Yes
00Jun 17, 1998——
00Jan 4, 1996Nov 8, 1995Yes
00Nov 29, 1995——
00Apr 21, 1994Feb 15, 1994Yes
00Apr 12, 1994——
00Jun 20, 1988May 18, 1988Yes
00Jun 9, 1988——

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.

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/20132106, documented in the API reference.