TEXAS · WELLS · HARRIS COUNTY · API 42-201-05909 · DISTRICT 03
Olcott GU 1 #1
Harris County · Olcott (Miocene 3500) field · Vertical
Olcott GU 1 #1 (API 42-201-05909) is a plugged well in Harris County, plugged July 12, 2013, last operated by Denbury Onshore LLC.
The RRC has issued 5 drilling permits (amended once) between 1977 and 1997, permitted to 4,540 ft.
It was permitted by Exxon Corp. and has since transferred to Denbury Onshore LLC on the wellbore schedule.
Operator of record
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 schedule | Denbury Onshore LLC |
| Production reports | Exxon Mobil Corporationthrough Oct 2004 |
| Latest permit | Exxon Corp.Dec 10, 1997 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 4,540
- total depth, ft
- 6
- permits on file
- Dec 10, 1997
- last permit issued
- Aug 25, 1994
- completed
- 0
- cumulative oil, bbl
- 454K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2013
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Aug 25, 1994
- Shut in
- —
- Plugged
- Jul 12, 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 2 leases this well is completed on; they carry 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Olcott GU 1 G-3-151794 | Olcott (Miocene 3500) | Denbury Onshore, LLC | 1 | 0 | 407K | Aug 1994 – Jul 2013 |
| Olcott GU 1 G-3-44811 | Olcott (Miocene 3800) | Exxon Corp. | 1 | 0 | 46.9K | Jan 1993 – Aug 1994 |
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.
- 1Exxon Corp.Jan 1993 → Mar 2000
- 2Exxon Mobil CorporationApr 2000 → Oct 2004
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 471079-99 | Recompletion | Exxon Corp. | Dec 10, 1997 | Dec 10, 1997 | — | 3,553 |
| 423920-98 | Recompletion | Exxon Corp. | Nov 18, 1994 | May 13, 1994 | Jun 29, 1994 | 2,538 |
| 423920-99 | Recompletion | Exxon Corp. | May 13, 1994 | May 13, 1994 | — | 2,538 |
| 368758-99 | Recompletion | Exxon Corp. | Jan 17, 1990 | Jan 17, 1990 | — | 4,540 |
| 187640-99 | Recompletion | Exxon Corp. | Mar 8, 1983 | Mar 8, 1983 | — | 4,540 |
| 13143-99 | Recompletion | Exxon Corp. | Dec 1, 1977 | Dec 1, 1977 | — | 4,540 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Aug 25, 1994 | Olcott GU 1 G-3-151794 | Olcott (Miocene 3500) | Denbury Onshore LLC | Plugged | — |
| Sep 21, 1968 | Olcott GU 1 G-3-44811 | Olcott (Miocene 3800) | Exxon Corp. | Plugged | — |
| Jun 1, 1966 | Olcott Gas Unit #1 G-3-39615 | Olcott (Miocene 4200) | Humble Oil & Refining Co. | Plugged | — |
| Dec 1, 1962 | Olcott Gas Unit #1 G-3-7564 | Olcott (Miocene 4350) | Humble Oil & Refining Co. | Plugged | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,472 | 3,476 | Perforated |
| 4,110 | 4,120 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 7 | 1,042 | 9.875 | 250 S |
| 4.5 | 4,538 | 6.125 | 255 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 →
| Suffix | Filed | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Mar 2, 1995 | Nov 22, 1994 | Yes |
| 00 | Dec 2, 1994 | — | — |
| 00 | Jan 12, 1984 | Oct 16, 1968 | — |
| 00 | Jan 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.
- Wellbore filings for 42-201-05909 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-201-05909 → scanned completion filings
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/20105909, documented in the API reference.