Flat-Pack Modular Well Cellar for Safer Remote Installation
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Solution Overview
Problem
Traditional containment well cellars are heavy, large, and costly to manufacture, ship, and install, with galvanization processes being limited and hazardous installation methods posing challenges.
Innovation Solution
A modular well cellar system is designed for disassembly into a flat-pack arrangement, allowing for smaller components that can be galvanized at multiple facilities and transported on smaller vehicles, then assembled on-site with seals to form a liquid-tight structure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a monolithic containment well cellar is used, then structural integrity and liquid-tightness are improved, but shipping cost and installation difficulty increase
Solution Approach 1:
The containment well cellar is divided into multiple modular sections that can be manufactured separately and then assembled on-site. Each module maintains liquid-tight seals at the joints, achieving the same reliability as a monolithic structure while enabling easier shipping and installation. The modular design allows standard vehicles to transport individual sections to remote drilling locations.
2Strength
If a monolithic containment well cellar is used, then structural integrity is improved, but manufacturing complexity and production output increase
Solution Approach 1:
The well cellar is segmented into standardized modular sections that can be manufactured in parallel using conventional galvanization facilities. This segmentation enables multiple modules to be produced simultaneously, increasing production output while maintaining structural integrity through standardized connection designs that ensure liquid-tight seals.
3Reliability
If a monolithic containment well cellar is used, then liquid-tightness is improved, but shipping cost increases
Solution Approach 1:
By segmenting the well cellar into smaller modular sections, the shipping cost is reduced as individual modules can be transported on standard vehicles to remote drilling locations. The modular design allows for efficient packaging and transport while maintaining liquid-tightness through sealed connections between modules.
4Reliability
If galvanization is performed at traditional facilities, then corrosion resistance is improved, but manufacturing time increases
Solution Approach 1:
The well cellar modules are designed to be galvanized at standard facilities before assembly, allowing corrosion protection to be applied efficiently to individual components. This segmented approach enables parallel processing and reduces total manufacturing time compared to galvanizing a large monolithic structure, while maintaining adequate corrosion resistance through proper galvanization of all metal surfaces.
Data Source
AI summary
A modular well cellar system can include a planar base member defining an aperture sized to receive a conductor pipe; a first end member secured to the base member and configured to support a first lateral wall of the well cellar excavation; a first side member secured to the base member, the first end member, and the second end member, and configured to support a first longitudinal wall of the well cellar excavation; a second side member secured to the planar base member and the first end member and configured to support a second longitudinal wall of the well cellar excavation; and a seal formed between a top surface of the planar base member and each of the first end member, the first side member, and the second side member.