Electric Fracturing Pump Layout for High Horsepower Rig-Up

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Solution Overview

Problem

Existing hydraulic fracturing systems rely heavily on diesel engines, which are costly, environmentally harmful, and require significant logistical challenges, while electric systems often have limited horsepower ranges, necessitating dual configurations that increase rig-up times.

Innovation Solution

Development of high-horsepower electric fracturing systems utilizing a single support structure for electric pumps, transformers, and generators, with features like variable frequency drives and soft stalls to manage fluctuations, enabling efficient and compact operation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Power

If diesel powered pumping configurations are used, then horsepower range between 2250 HP and 3000 HP is achieved, but environmental harm, cost, and logistical complexity increase

Engineering Contradiction:

ImprovehorsepowerVSAvoidenvironmental harm

Core Design Contradiction:

PowerVSObject-affected harmful factors

Solution Approach 1:

The patent replaces diesel mechanical engines with electric motors to power the fracturing pump. This substitution eliminates the combustion process that produces harmful emissions, while maintaining the required horsepower output through properly sized electric motors connected to the pump assembly.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

2Object-affected harmful factors

If electric pumping configurations are used, then environmental impact is reduced, but horsepower is limited to 1750 HP and 2500 HP range

Engineering Contradiction:

Improveenvironmental impactVSAvoidhorsepower

Core Design Contradiction:

Object-affected harmful factorsVSPower

Solution Approach 1:

The patent changes the electrical parameters by introducing a transformer that converts utility power from lower voltage to higher voltage, enabling the system to deliver sufficient power for high horsepower applications. This parameter change allows electric motors to achieve the necessary horsepower output without compromising environmental benefits.

Inventive Principle:

Principle #35Parameter changes

3Power

If dual pumping configurations (electric and diesel) are used, then horsepower requirements are met, but rig-up time and device complexity increase

Engineering Contradiction:

ImprovehorsepowerVSAvoidrig-up time

Core Design Contradiction:

PowerVSLoss of time

Solution Approach 1:

The patent merges the electric motor, pump assembly, and transformer into a single integrated pumping system. This consolidation eliminates the need for separate diesel and electric configurations, reducing the number of components that need to be transported and assembled, thereby decreasing rig-up time while maintaining the required horsepower capability.

Inventive Principle:

Principle #5Merging (Combining)

4Device complexity

If support equipment is integrated on the same support structure as electric pumps, then device complexity is reduced, but available area for pumps decreases

Engineering Contradiction:

Improvesystem integrationVSAvoidavailable area for pumps

Core Design Contradiction:

Device complexityVSArea of moving object

Solution Approach 1:

The patent addresses the space constraint by arranging the transformer and other support equipment in a distributed configuration around the pump assembly, utilizing three-dimensional space efficiently. This spatial arrangement allows integration of support equipment while preserving sufficient area for the pump components.

Inventive Principle:

Principle #17Another dimension (Dimensionality change)

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 system achieves high horsepower outputs comparable to diesel systems with reduced environmental impact, decreased logistical complexity, and faster setup times by optimizing electric pump configurations and support equipment arrangements.

Implementation Method 1

the support equipment includes at least a transformer for distributing power to the electric pump, the power being received from at least one generator at a voltage higher than an operating voltage of the electric pump

Methodology Applied

Scientific EffectElectromagnetic induction: Electromagnetic Induction

Implementation Method 2

the electric pump powered by at least one electric motor

Methodology Applied

Scientific EffectElectromagnetic force: Lorentz Force

Data Source

PatentUS12448877B2High horsepower pumping configuration for an electric hydraulic fracturing system

Publication Date: 2025.10.21 US WELL SERVICES LLC

AI summary

Embodiments include a hydraulic fracturing system for fracturing a subterranean formation. The system includes an electric pump, arranged on a first support structure, the electric pump coupled to a well associated with the subterranean formation and powered by at least one electric motor, and configured to pump fluid into a wellbore associated with the well at a high pressure so that the fluid passes from the wellbore into the subterranean formation and fractures the subterranean formation. The system also includes support equipment, arranged on a second support structure, electrically coupled to the electric pump, wherein the support equipment includes at least a transformer for distributing power to the electric pump, the power being received from at least one generator at a voltage higher than an operating voltage of the electric pump.