Trailer-Mounted Fracturing Manifold With Integrated Power Distribution
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Solution Overview
Problem
The existing electricity supply and distribution systems in oil and gas field fracturing operations are complex, space-intensive, and hinder the movement of trailers due to the need for numerous cables connecting electrically-driven fracturing units to a distant power source, complicating connections and operations.
Innovation Solution
A high and low pressure manifold liquid supply system that integrates a trailer with a platform-mounted manifold and distribution switch cabinet, allowing for centralized electricity distribution to multiple fracturing units, reducing the number of cables needed and simplifying connections by locating electrical interfaces at the rear of the trailers, where fluid interfaces are also situated.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If electrically-driven fracturing units are used instead of diesel engine-driven units, then environmental pollution and fuel costs are reduced, but the complexity of electricity distribution system and cable connections increases
Solution Approach 1:
The patent combines the electricity distribution system with the fluid distribution manifold into a single integrated trailer-mounted unit. The distribution switch cabinet is mounted on the same trailer platform as the manifold, allowing electrical and fluid connections to be made simultaneously at the same location (rear portion of trailer), eliminating the need for separate cable routing and reducing overall system complexity.
Solution Approach 2:
The trailer-mounted distribution switch cabinet acts as an intermediary between the power source and multiple fracturing units. It provides a centralized connection point that simplifies power distribution to multiple units through standardized electrical interfaces, reducing the need for complex point-to-point cable connections between the power source and each individual fracturing unit.
2Reliability
If power supply system is located at a distant position and electrically connected to electrical interfaces at head portions of trailers via multiple long cables, then power supply is stable, but cable complexity and connection time increase
Solution Approach 1:
The patent changes the spatial arrangement by moving the electricity distribution function from a ground-based distant power supply to a trailer-mounted mobile distribution system. This dimensional shift allows the power distribution point to move with the fracturing units, eliminating long cable runs and reducing connection time while maintaining power supply reliability through the integrated system design.
3Ease of manufacture
If electrical interfaces and fluid connection interfaces are arranged at different portions of trailers (head and rear respectively), then functional separation is achieved, but movement and operation of trailers are hindered
Solution Approach 1:
The patent merges the electrical interface location with the fluid interface location by mounting the distribution switch cabinet on the same trailer platform as the manifold. Both electrical and fluid connections are now made at the rear portion of the trailer, eliminating the conflict between electrical cables and trailer movement while maintaining functional separation through dedicated connection points.
Data Source
AI summary
The present disclosure relates to a high and low pressure manifold liquid supply system for fracturing units, including: a trailer, a high and low pressure manifold arranged on the trailer, a support frame arranged on a platform of the trailer, and a power distribution switch cabinet arranged on the support frame, which is configured to be electrically connected to the electrically-driven fracturing units and configured to distribute electricity to the electrically-driven fracturing units. Through the high and low pressure manifold liquid supply system integrated with electricity supply facilities therein according to the present disclosure, the electrically-driven fracturing units are powered, in this way, the electricity supply and distribution system in the well site can be effectively simplified, the connection distance of the cables can be shorten, and further the time spent on connection can be saved, thereby improving the well site layout efficiency.