Sulphur Mines Investigation
MAIN MENU:
This page was last updated on 07/21/2024 at 7:08:06 PM.
Work Plans
Westlake's Incident Action Plan
| Cavern 7 Remedial Plans |
Work Permit and Plan for Fiber Optic Cable Installation into Cavern 7 - Approved May 23, 2024
Informal Memo to LDENR - Construction of Core Wells Proximal to Cavern 7 - Received June 3, 2024
| Seismic Monitoring Plans |
- Surface Seismic Monitoring Plan (MEQ) - Received February 8, 2023
- Proposal for Revised Seismic Station Locations (MEQ) - Received March 30, 2023
- Approval for: Proposal for Revised Seismic Station Locations (LNDR) - Issued March 31, 2023
- Draft Plan to Monitor Seismic Activity on and Around the Sulphur Mines Dome, Louisiana (Lonquist) - Received June 13, 2023
- Recommentdation for Microseismic Borehole Monitoring at Sulphur Mines Dome (MEQ) - Received August 11, 2023
- Recommendation for Modification of the Surface Microseismic Monitoring at Sulfur Mines Salt Dome (MEQ) - Received August 24, 2023
- Approval for: Surface Seismic Upgrade Proposal (LDNR) - Issued August 24, 2023
- Update on the Surface Miroseismic Monitoring at Sulphur Mines Dome: Broadband Seismometer Installation (MEQ) - Received September 19, 2023
- Plan to Monitor Microseismicity at Sulphur Mines Dome: Modifications to the Broadband Seismic Array (MEQ) - Received November 15, 2023
| Groundwater Monitoring Plans |
- Groundwater and Surface Water Investigation Work Plan (ERM) - Received February 20, 2023
- USDW Evaluation and Monitoring Well Installation Plan (ERM) - Received May 19, 2023
- REVISED Monitoring Well Installation Plan (ERM) - Received October 18, 2023
- Response to Westlake's Monitoring Well Plan (LDNR) - Issued October 23, 2023
- Plan to Collect and Sample Gas over Bubble Sites - Received November 27, 2023
- Plan for Alternate Source of Water - Received December 27, 2023
- Protection and Remediation Plan of Chicot-Supplied Public Freshwater - Received January 23, 2024
| 6X Depressurization |
- Proposed "De-Pressure" Plan for Sulphur Mines Cavern No. 6 (ERM) - Received September 11, 2023
- Proposed Snubbing & Cleanout Plan for Sulphur Mines Cavern No. 6 (ERM) - Received September 25, 2023
| Subsidence/ Ground Deformation Monitoring |
- Plan for Enhanced Subsidence Monitoring - Received February 20, 2023
- Plan for Enhanced Subsidence Monitoring (revised) - Received March 13, 2023
- Proposed New InSAR Reflectors Map - Received November 27, 2023
- Plan to Monitor Ground Deformation at Sulphur Mines Dome - Received December 27, 2023
- Deformation Monitoring Plan: Updated Layout (Lonquist) - Received February 12, 2024
- Deformation Monitoring Plan: Updated Layout Proposal (Lonquist) - Received April 8, 2024