Downhole Fluid Formulation Apparatus with In-Line Sensor Feedback

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Current technologies lack the capability for real-time or near real-time in-line water analysis to adjust the type and amount of friction-reducing compositions in treating fluids during fracturing operations, leading to inefficiencies due to unoptimized fluid dynamics.

Innovation Solution

The development of real-time or near real-time downhole fluid formulation adjustment apparatuses and systems, which include an aqueous base fluid supply, in-line fluid sensors, downhole sensors, fluid component supply assemblies, friction-reducing component supply assemblies, fluid injection or circulation systems, and a control assembly to optimize the composition of downhole fluids and reduce frictional drag.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Loss of energy

If friction reducing compositions are added to slickwater fracturing fluids, then energy loss due to friction is minimized, but the device complexity increases due to lack of real-time monitoring and adjustment capabilities

Engineering Contradiction:
Improveenergy loss due to frictionVSAvoiddevice complexity
Core Design Contradiction:
Loss of energyVSDevice complexity

Solution Approach 1:

The patent implements a feedback control system where sensors continuously monitor fluid properties (viscosity, flow rate, pressure) and transmit data to a control assembly. The control assembly automatically adjusts the dosage of friction reducing compositions based on real-time conditions, creating a closed-loop system that optimizes energy efficiency while managing complexity through automation.

Inventive Principle:
Principle #23Feedback

Solution Approach 2:

The system incorporates automatic dosage adjustment capabilities where the control assembly self-regulates the addition of friction reducing compositions without manual intervention. The system serves itself by using sensor data to automatically determine and implement optimal chemical dosing, reducing the need for external monitoring and adjustment.

Inventive Principle:
Principle #25Self-service

2Object-affected harmful factors

If real-time in-line water analysis and fluid formulation adjustment apparatuses are implemented, then frictional drag is minimized, but the device complexity increases

Engineering Contradiction:
Improvefrictional dragVSAvoiddevice complexity
Core Design Contradiction:
Object-affected harmful factorsVSDevice complexity

Solution Approach 1:

The control assembly serves multiple functions: it receives data from various sensors (flow rate, pressure, viscosity), processes this information, determines optimal chemical dosing, controls injection rates, and monitors system performance. By consolidating these diverse functions into a single multi-functional control unit, the system reduces overall complexity while achieving real-time optimization of frictional drag.

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

Solution Approach 2:

The patent introduces a control assembly as an intermediary between the sensors and the friction reducing composition injection system. This intermediary processes sensor data and translates it into appropriate dosing commands, simplifying the control architecture by providing a centralized intelligence layer that mediates between monitoring and actuation functions.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Productivity

If friction reducing compositions are added to treating fluids, then fluid transport efficiency is improved, but the loss of information occurs due to lack of real-time composition monitoring

Engineering Contradiction:
Improvefluid transport efficiencyVSAvoidloss of information
Core Design Contradiction:
ProductivityVSLoss of information

Solution Approach 1:

Sensors continuously monitor fluid composition parameters including viscosity, flow rate, and pressure, providing real-time feedback to the control assembly. This feedback loop ensures that the system maintains accurate information about fluid properties and automatically adjusts friction reducing composition dosage to optimize transport efficiency while preventing information loss about fluid state.

Inventive Principle:
Principle #23Feedback

Data Source

PatentUS20250034959A1Apparatuses and systems for in-line water analysis, downhole fluid optimization, and methods for making and using same
Publication Date: 2025.01.30 PFP IND LLC
  • US20250034959A1 patent drawing
  • US20250034959A1 patent drawing
  • US20250034959A1 patent drawing

AI summary

A real-time or near real-time, downhole fluid formulation apparatuses and/or systems and methods of making and using same include (a) a water supply assembly/subsystem, (b) an in-line sensor assembly/subsystem, (c) a downhole fluid component supply assembly/subsystem, (d) a friction-reducing component supply assembly/subsystem, (e) a downhole fluid injection assembly/subsystem, and (f) a control assembly/subsystem, wherein (1) the in-line sensor assembly/subsystem generates data concerning various aqueous base fluid properties and (2) the downhole fluid component supply assembly/subsystem supplies downhole fluid components to the aqueous base fluid based on the aqueous base fluid properties and various formation properties, and the friction-reducing component supply assembly/subsystem supplies friction-reducing components to form a downhole fluid having a reduced or minimized percent drag reduction (% DR) value.