WELL · 42-269-31992 · DISTRICT 8
Niblo Sydney #11
King County · Polk & Patton (Tannehill Upper) field · Producing · Vertical
Niblo Sydney #11 (API 42-269-31992) is a well in King County operated by Sojourner Drilling Corporation, completed September 14, 1990 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued July 3, 1990, permitted to 3,500 ft.
It was permitted by Polk & Patton, Inc. and has since transferred to Sojourner Drilling Corporation on the wellbore schedule.
Completion filings report 2 formation tops, including B/Coleman Junction, B/Dothan Lime.
Its lease has reported 200K barrels of oil and 8.98K mcf of gas since January 1993, last reporting in July 2026. The lease carries 7 wells, so these are lease totals, not this well alone.
Operator of record
Sojourner Drilling Corporation
Permitted by Polk & Patton, Inc.; the EWA schedule now lists a different operator.
Abilene, TX · P-5 Y, filed Jul 4, 2026 · 872 permits on file · (325) 669-2068
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Sojourner Drilling Corporation |
| Production reports | Sojourner Drilling Corporationthrough Apr 2026 |
| Latest permit | Polk & Patton, Inc.Jul 3, 1990 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 3,500
- total depth, ft
- 1
- permits on file
- Jul 3, 1990
- last permit issued
- Sep 14, 1990
- completed
- 200K
- cumulative oil, bbl
- 8.98K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Sep 14, 1990
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
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 7 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Niblo, Sydney O-11-65703 | Polk & Patton (Tannehill Upper) | Sojourner Drilling Corporation | 7 | 200K | 8.98K | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 2,989 · prior 12 2,906(+3%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Patton Exploration, Inc.Jan 1993 → Jul 2021
- 2Sojourner Drilling CorporationOct 2021 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 374159-99 | Drill | Polk & Patton, Inc. | Jun 6, 1990 | Jul 3, 1990 | — | 3,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-11-65703 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 1,700 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| B/Coleman Junction | 2,665 | -965 |
| B/Dothan Lime | 2,778 | -1,078 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 2,989 | 2,998 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 231 | 12.25 | 175 S |
| 4.5 | 3,085 | 7.875 | 250 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 | Oct 18, 1990 | Sep 25, 1990 | Yes |
| 00 | Oct 10, 1990 | — | — |
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 42-269-31992 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-269-31992 → 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/26931992, documented in the API reference.