WELL · 42-201-00173 · DISTRICT 3

Reid John D. #509 D

N

Harris County · Tomball (Schultz SE.) field  · Vertical

Reid John D. #509 D (API 42-201-00173) is a disposal or injection well in Harris County operated by Tandem Energy Corporation under an active UIC permit.

The RRC has issued one drilling permit, issued July 20, 1982, permitted to 5,547 ft.

It was permitted by Exxon Corp. and has since transferred to Tandem Energy Corporation on the wellbore schedule.

Completion filings report 2 formation tops, including Miocene (undifferentiated), Jackson.

It holds an active disposal or injection permit, with 1.17M barrels injected in the 12 months reported through September 2025.

Operator of record

Tandem Energy Corporation

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

Houston, TX · P-5 Y, filed May 4, 2026 · 138 permits on file · (281) 351-5840

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleTandem Energy Corporation
Production reportsnone
Latest permitExxon Corp.Jul 20, 1982

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

5,547
total depth, ft
1
permits on file
Jul 20, 1982
last permit issued
—
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
—
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 lease this well is completed on; they carry 9 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Reid, John D. O-3-4274TomballTandem Energy Corporation900Jan 1993 – Jul 2026

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

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
166649-99RecompletionExxon Corp.Jul 20, 1982Jul 20, 1982—5,547

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-3-4274————

Formation tops

As filed on W-2/G-1. Subsea from 159 ft elevation.Download CSV →

FormationMD ftSubsea
Miocene (undifferentiated)MIOCENE2,205-2,046
Jackson4,400-4,241

Perforations

Perforated and open-hole intervals.

FromToType
3,3703,400Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.62594212.25289 S
9.62594212.5289 S
2.8753,273——
5.55,5428.625189 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, 2024Nov 8, 2023—
00Oct 26, 2023Apr 13, 2022—
00Feb 7, 1997Oct 14, 1996—
00Jan 8, 1996Jun 30, 1995—
00Aug 1, 1995Jun 30, 1995—
00Jan 6, 1993Dec 3, 1992—
00Jul 9, 1992Jun 25, 1992—
00Jan 12, 1984Nov 19, 1982—
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

1.17M
bbl, last 12 reported months
48.9M
bbl, all reported
Sep 2025
reported through
UICKindStatusPermitted bbl/dMax psiZone ft
000047091H-1 InjectionActive20,0001,1002,400–4,859
000082015H-1 InjectionCanceled Jan 26, 199520,0001,1002,400–4,859

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

Last 12 months 1,174,292 · prior 12 1,026,832(+14%)

0100K200K20242025

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/20100173, documented in the API reference.