Triglyceride Resin Acid Emulsifier for Drilling Fluid Stability
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Solution Overview
Problem
The oil and gas production industry faces challenges with the high cost and limited availability of tall oil-based emulsifiers for oil-based drilling fluids, which affect the sustainability and efficiency of drilling operations.
Innovation Solution
The development of an emulsifier composition comprising a reaction product of triglycerides, resin acids, and C3-9 carboxylic-acid-bearing dienophiles, which is used to create stable emulsions that reduce water filtrate and maintain stability under high temperature and pressure conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If tall oil-based emulsifiers are used in oil-based drilling fluids, then emulsion stability is maintained, but cost increases and availability decreases
Solution Approach 1:
The patent replaces expensive tall oil-based emulsifiers with a cost-effective alternative formulation using common drilling fluid components. The new emulsifier composition achieves comparable stability performance while eliminating dependence on limited tall oil supplies, effectively substituting a costly, scarce material with affordable, readily available alternatives.
Solution Approach 2:
The invention modifies the chemical composition parameters of the emulsifier system by adjusting the ratios of oil phase, water phase, and emulsifying agents. By optimizing these compositional parameters, the patent achieves stable emulsion formation without requiring tall oil-based materials, thereby reducing cost while maintaining reliability.
2Ease of manufacture
If alternative raw materials are used instead of tall oil, then sustainability and cost are improved, but emulsion stability may be compromised
Solution Approach 1:
The patent systematically adjusts the compositional parameters of the alternative emulsifier formulation, including the types and proportions of oils, water phases, and emulsifying agents. Through careful parameter optimization, the invention achieves both cost/sustainability improvements and maintains emulsion stability comparable to tall oil-based systems.
Solution Approach 2:
The invention creates a composite emulsifier formulation combining multiple alternative materials (vegetable oils, synthetic emulsifiers, and other drilling fluid components) to replace tall oil. This composite approach leverages the complementary properties of each component to achieve stable emulsion formation while using sustainable, cost-effective materials.
3Ease of manufacture
If emulsifier composition is simplified to reduce cost, then manufacturing ease improves, but emulsion stability under high temperature and pressure may deteriorate
Solution Approach 1:
The patent optimizes the compositional parameters of the simplified emulsifier formulation to ensure stability under high temperature and pressure conditions. By carefully selecting and proportioning heat-resistant components, the invention maintains reliability despite using a cost-effective, simplified composition.
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 emulsifier composition achieves superior emulsion stability and virtually eliminates water filtrate under standard testing conditions, enhancing the performance and sustainability of oil-based drilling fluids.
Implementation Method 1
Oil-based drilling fluids or muds, which are also referred to as invert emulsion drilling fluids, are composed of oil as a continuous phase and water as a dispersed phase together with emulsifiers
Implementation Method 2
The emulsifier composition achieves superior emulsion stability and virtually eliminates water filtrate under standard testing conditions
Data Source
AI summary
The present disclosure describes emulsifier composition and methods of making and using the same. The emulsifier composition can include: (a) an emulsifier reaction product made by reacting: a triglyceride composition, a resin acid composition, and a C3-9 carboxylic-acid-bearing dienophile; or (b) an emulsifier blend including a triglyceride reaction product made by reacting a triglyceride composition and a C3-9 carboxylic-acid-bearing dienophile, and a resin acid reaction product made by reacting a resin acid composition and a C3-9 carboxylic-acid-bearing dienophile. The emulsifier composition can include a blend of a fatty acid composition and a reaction product made by reacting: a triglyceride composition and a C3-9 carboxylic-acid-bearing dienophile. The present disclosure further describes a drilling fluid including the emulsifier composition of the present disclosure, as well as methods of making and using the same.