WELL · 42-401-34691 · DISTRICT 6
Oak Hill Gas Unit 1 #4
Rusk County · Oak Hill (Cotton Valley) field · Producing · Vertical
Oak Hill Gas Unit 1 #4 (API 42-401-34691) is a well in Rusk County operated by Sydri Operating LLC, completed April 27, 2008 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued March 19, 2008, permitted to 11,250 ft.
It was permitted by Chinn Exploration Company and has since transferred to Sydri Operating LLC on the wellbore schedule.
Completion filings report 6 formation tops, including Glen Rose, BMA, Travis Peak, James Lime.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Chinn Exploration Company; the EWA schedule now lists a different operator.
Dallas, TX · P-5 Y, filed Dec 4, 2025 · 46 permits on file · (972) 754-8626
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Sydri Operating LLC |
| Production reports | Sydri Operating, LLCthrough Apr 2026 |
| Latest permit | Chinn Exploration CompanyMar 19, 2008 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 11,250
- total depth, ft
- 1
- permits on file
- Mar 19, 2008
- last permit issued
- Apr 27, 2008
- completed
- 0
- cumulative oil, bbl
- 460K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Apr 2008 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Apr 27, 2008
- 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; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Oak Hill Gas Unit 1 G-6-238077 | Oak Hill (Cotton Valley) | Sydri Operating, LLC | 1 | 0 | 460K | Apr 2008 – Jul 2026 |
Gas, mcf lease total
Last 12 months 11,359 · prior 12 12,379(-8%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Chinn Exploration CompanyApr 2008 → Nov 2015
- 2Trivium Operating, LLCDec 2015 → Feb 2022
- 3Sydri Operating, LLCMar 2022 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 656717-99 | Drill | Chinn Exploration Company | Mar 5, 2008 | Mar 19, 2008 | Mar 22, 2008 | 11,250 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-6-238077 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 347 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Glen Rose | 4,265 | -3,918 |
| Glen RoseGLENROSE | 4,265 | -3,918 |
| BMA | 5,930 | -5,583 |
| Travis Peak | 5,950 | -5,603 |
| James LimeJAMES | 6,410 | -6,063 |
| Pettit | 6,660 | -6,313 |
| TaylorTAYLOR CV | 8,910 | -8,563 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,132 | 10,433 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,045 | 11 | 342 S |
| 4.5 | 10,604 | 7.875 | 1,508 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 | Nov 25, 2008 | Aug 12, 2008 | Yes |
| 00 | Sep 17, 2008 | May 28, 2008 | Yes |
| 00 | Aug 23, 2008 | — | — |
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 42-401-34691 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-401-34691 → 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/40134691, documented in the API reference.