Modular Tubular Delivery Stand for Heavy Pipe Lifting
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Solution Overview
Problem
Existing pipe lifting technologies are inadequate for efficiently handling and supporting long, heavy pipe joints in oil and gas drilling and production operations, as they often require cumbersome and non-portable solutions that complicate the process of lifting and laying down pipe segments.
Innovation Solution
A modular, freestanding tubular delivery stand with a support frame, elevator columns, and a cable and pulley system, allowing for easy assembly and disassembly, and enabling the lifting and laying down of pipe joints with adjustable rollers and cradles for enhanced portability and operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional pipe lifting apparatus are used, then pipe joints can be lifted, but the equipment is cumbersome and non-portable
Solution Approach 1:
The lifting apparatus is divided into modular components including a portable frame assembly, elevator mechanism, and pipe support system that can be easily assembled and disassembled. The frame includes vertical columns with cross-bracing that can be configured in different arrangements, allowing the equipment to be transported in sections and quickly assembled at work sites.
2Productivity
If heavy pipe joints are lifted using conventional methods, then lifting capability is achieved, but operational efficiency decreases
Solution Approach 1:
The apparatus is designed with pre-configured modular components that can be assembled from a compact transported state to an operational state in minimal time. The frame members, elevator mechanism, and pipe supports are arranged to allow quick assembly without requiring complex alignment or specialized tools, enabling rapid deployment at different work locations.
3Ease of operation
If pipe lifting apparatus is made portable and modular, then ease of transport is improved, but structural stability may be compromised
Solution Approach 1:
The frame assembly employs asymmetric bracing configurations where diagonal cross-braces are positioned to optimize structural stability in the loaded state. The bracing pattern creates triangular rigid sections that resist lateral forces and prevent frame deformation, while the overall structure remains modular for easy assembly and disassembly.
4Force
If the lifting apparatus supports heavy loads, then lifting capability is sufficient, but the equipment becomes more complex
Solution Approach 1:
The elevator mechanism utilizes a hydraulic or pneumatic actuator mounted on the portable frame to provide controlled lifting force for heavy pipe joints. The actuator connects to a movable platform or crane arm, enabling smooth vertical motion and precise positioning of the load without requiring complex mechanical gear systems or multiple lifting points.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The tubular delivery stand facilitates efficient and portable lifting and support of heavy pipe joints, increasing operational efficiency and safety by allowing for easy assembly and use in conjunction with existing pipe pickup and laydown apparatuses, thereby enhancing the capability to manage long pipe strings effectively.
Implementation Method 1
a cable and pulley system, allowing for easy assembly and disassembly, and enabling the lifting and laying down of pipe joints
Implementation Method 2
The actuator may be a hydraulic or pneumatic cylinder and piston actuator
Implementation Method 3
The actuator may be a hydraulic or pneumatic cylinder and piston actuator
Data Source
AI summary
A tubular delivery stand utilized for lifting a length of pipe to a desired level is disclosed. The tubular delivery stand may also serve as a support stand for a pipe pickup and laydown apparatus in order to increase the height of the lift capable by the referenced pickup and laydown apparatus. The tubular delivery stand is constructed of two similarly configured stand sub-frames that are pinned together at their base to form a complete stand frame. Elevator columns that support an elevator assembly is provided for raising and lowering pipe along the side of the deliver stand. A pipe removal assembly is provided for laying down pipe onto a pipe rack.