BOP Cart Platform and Back Design for Secure Transport

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Solution Overview

Problem

Existing solutions for transporting and storing blowout preventers (BOPs) lack efficient and safe methods to secure and position these critical devices during transit and storage, posing risks to safety and equipment integrity.

Innovation Solution

A BOP cart with a platform and cart back design that allows for multiple mounting orientations, secure fastening, and adjustable auxiliary legs, enabling vertical and horizontal positioning for stable transport and storage within specific dimensional constraints.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If a BOP is transported without a specialized cart system, then transportation cost is reduced, but safety and equipment integrity are compromised

Engineering Contradiction:
Improvesafety and equipment integrityVSAvoidtransportation system complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The BOP cart system divides the transportation function into separate components: a platform for supporting the BOP, a cart back for structural support and mounting features, and auxiliary legs for stabilization. This segmentation allows each component to be optimized for its specific function while maintaining overall system reliability.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The cart includes pre-positioned mounting features, fasteners, and securing mechanisms that are prepared in advance. The auxiliary legs can be positioned beforehand to provide stability before the BOP is fully loaded, ensuring safety is established before transportation begins.

Inventive Principle:
Principle #10Preliminary action

2Adaptability or versatility

If the BOP cart is designed with fixed dimensions, then manufacturing precision is improved, but adaptability to different mounting orientations is reduced

Engineering Contradiction:
Improvemounting orientation flexibilityVSAvoidcart dimension standardization
Core Design Contradiction:
Adaptability or versatilityVSManufacturing precision

Solution Approach 1:

The cart back includes multiple mounting features positioned at different locations and orientations. The platform has multiple mounting positions that can accommodate the BOP in various orientations. This multi-functionality allows the same cart structure to serve multiple mounting configurations while maintaining consistent manufacturing dimensions.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The auxiliary legs are designed to be adjustable and repositionable, allowing the cart to adapt its configuration dynamically. The mounting features can be engaged at different positions depending on the required orientation, providing versatility without requiring multiple fixed-dimensional cart designs.

Inventive Principle:
Principle #15Dynamics

3Stability of the object's composition

If the BOP cart includes multiple mounting features and auxiliary legs, then stability during transport is improved, but device complexity increases

Engineering Contradiction:
ImproveBOP stability during transportVSAvoidcart structure complexity
Core Design Contradiction:
Stability of the object's compositionVSDevice complexity

Solution Approach 1:

The mounting features are integrated directly into the cart back structure, and the auxiliary legs are attached to the same structural framework. This merging of functions into a unified structure provides stability through multiple features without proportionally increasing overall complexity, as the components share common structural elements.

Inventive Principle:
Principle #5Merging (Combining)

Data Source

PatentUS9738199B2Blowout preventer transport cart
Publication Date: 2017.08.22 NABORS DRILLING USA
  • US9738199B2 patent drawing
  • US9738199B2 patent drawing
  • US9738199B2 patent drawing

AI summary

A BOP cart includes a platform including at least one mounting position adapted to receive the bottom of a BOP and a cart back extending generally perpendicular to the platform. The cart back includes at least one mounting feature positioned to secure the BOP to the BOP cart.