Mobile Fuel Trailer With Sensor-Controlled Hot Refueling

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Solution Overview

Problem

Hydraulic fracturing equipment shut-downs due to refueling are costly and reduce efficiency, and hot-refueling is difficult to sustain reliably.

Innovation Solution

A mobile distribution station with a mobile trailer equipped with multiple pumps, manifolds, hoses, valves, and fluid level sensors, allowing continuous fueling of equipment through automated control of fuel flow and metering, including an auxiliary system for delivering diesel exhaust fluid.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If hot-refueling is used to replenish fuel during fracking operations, then equipment can continue running without shut-downs, but the system becomes difficult to reliably sustain for the duration of the operation

Engineering Contradiction:
Improvecontinuous operationVSAvoidsustainability of hot-refueling
Core Design Contradiction:
ProductivityVSReliability

Solution Approach 1:

The system is divided into multiple independent fuel storage tanks (different fuel types) with separate pumps and distribution lines. Each fuel type (diesel, gasoline, propane, natural gas) has its own storage and delivery system, allowing reliable multi-fuel support for continuous operation without compromising system reliability

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The mobile distribution station is designed with multi-functionality to handle multiple fuel types simultaneously. The system can deliver different fuels to different equipment as needed, providing universal fuel support that enhances both continuous operation capability and reliability throughout the fracking operation duration

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

2Quantity of substance

If equipment is shut-down for refueling, then fuel can be replenished, but operational efficiency is reduced

Engineering Contradiction:
Improvefuel replenishmentVSAvoidoperational efficiency
Core Design Contradiction:
Quantity of substanceVSProductivity

Solution Approach 1:

The system pre-stores multiple types of fuel in the mobile distribution station before fracking operations begin. By having fuel supplies ready in advance and the capability to deliver them immediately, the system eliminates the need for equipment shut-downs to refuel, maintaining operational efficiency while ensuring continuous fuel replenishment

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The distribution station enables continuous fuel delivery to running equipment through its mobile platform and multiple delivery points. Fuel can be transferred from the mobile station to equipment without interrupting equipment operation, maintaining the continuity of useful action (fracking operations) while replenishing fuel supplies

Inventive Principle:
Principle #20Continuity of useful action

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

Enables continuous operation of hydraulic fracturing equipment by reliably maintaining fuel levels and pressure, reducing shut-downs and enhancing operational efficiency.

Implementation Method 1

A pump is provided in communication with the fuel source

Methodology Applied
Scientific EffectPumping: Pump

Implementation Method 2

A plurality of fluid level sensors are provided associated with different ones of the hoses

Methodology Applied
Scientific EffectFluid level detection:

Implementation Method 3

The controller is configured to individually open and close the valves responsive to the fluid level sensors

Methodology Applied
Scientific EffectFeedback control: Feedback

Implementation Method 4

A meter is provided between the pump and the reel that is in communication with the controller

Methodology Applied
Scientific EffectFlow metering:

Data Source

PatentUS11267689B2Mobile distribution station having auxiliary delivery system
Publication Date: 2022.03.08 FUEL AUTOMATION STATION LLC
  • US11267689B2 patent drawing
  • US11267689B2 patent drawing
  • US11267689B2 patent drawing

AI summary

A distribution station includes a mobile trailer and first and second pumps on the trailer. At least one manifold on the mobile trailer is fluidly connected with the first pump. A plurality of first reels on the mobile trailer are fluidly connected with the at least one manifold. A plurality of first hoses are connected with different ones of the first reels. A plurality of first valves on the mobile trailer are situated between the manifold and respective different ones of the first reels. A plurality of fluid level sensors are associated with different ones of the first hoses. A second reel is not fluidly connected with the manifold, and is fluidly connected with the second pump. A second hose is connected with the second reel that has a manual pump handle, and a controller is configured to individually open and close the valves responsive to the fluid level sensors.