1、改性热固性树脂研究进展及其在钻井液领域应用前景

The modification mechanism and material characteristics of four kinds of thermosetting resins such as epoxy resin, phenolic resin, polyurethane resin and unsaturated polyester resin are reviewed.

2、Modified natural polymers as additives in high

This paper provides an overview of recent advances in the application of modified natural polymers as additives in water-based drilling fluids (WBDFs) under high-temperature drilling conditions.

3、Nano

In this study, a nano-silica-modified co-polymer (NS-ANAD) gel was synthesized by using acrylamide, isopropylacrylamide, 2-acrylamide-2-methyl propane sulfonic acid, diallyl dimethyl ammonium chloride, and double-bond-modified inorganic silica particles (KH570-SiO 2) through free radical co-polymerization.

4、Testing of Filter Loss Reducer (Lignite Resin) for Drilling Fluids

Tested Fluid Loss Reducer: The primary additive evaluated was a Modified Lignite Resin (MLR), a chemically treated lignite product processed to enhance its fluid loss control capabilities and thermal stability.

5、Environmentally Friendly Rosin

Environmentally Friendly Rosin-Modified Silica Nanocomposite as High-Performance Plugging Agent for Drilling in Nano-Microporous Formations | SPE Journal | OnePetro

Thermal

Here, we report novel thermosetting silica nanoparticles decorated with resin (RSNP), which not only retain their nanoscale distribution even at high temperatures but also promote the formation of micrometer-sized particles through interactions with clay in drilling fluids.

Synthetic polymers: A review of applications in drilling fluids

Currently, reagents based on modi ed natural polymers (which are naturally occurring fi compounds) and synthetic polymers (SPs) which are polymeric compounds created industrially, are widely used...

High

oil and gas resources, drilling operations are a key link in obtaining underground resources. As the "blood" of drilling engineering, the performance of drilling fluid directly affects many important aspects

Modified Corn Starch as an Environmentally Friendly Rheology

entally friendly rheology enhancer and filtration loss controlling agent for water- based mud (WBM) at high temperatures. The experimental results indicated that MCS exhibits better perfor.

Synthetic polymers: A review of applications in drilling fluids

The contributions of SPs as additives to drilling fluids to enhance rheology, filtrate generation, carrying of cuttings, fluid lubricity, and clay/shale stability are explained in detail. The mechanisms, impacts, and advances achieved when SPs are added to drilling fluids are also described.

In the modern field of oil and gas exploration and production, quality control of drilling fluids is a critical factor for ensuring operational safety, improving drilling efficiency, and extending the lifespan of drilling equipment. Modified resins for drilling fluids, as a specialized class of chemical additives, play a particularly important role in this context. This article aims to explore the significance of modified resins for drilling fluids and their practical applications in oil and gas exploration and production.

The Significance of Modified Resins for Drilling Fluids

Modified resins for drilling fluids are primarily used to enhance the performance of drilling fluids, including reducing viscosity, improving lubricity, and strengthening the ability to inhibit formation contamination. These performance improvements are crucial for ensuring safety during drilling operations, enhancing efficiency, and protecting the environment.

Functions of Modified Resins for Drilling Fluids

1. Reducing Drilling Fluid Viscosity

The viscosity of drilling fluids directly affects their flowability and sand-carrying capacity. By adding modified resins, the viscosity of drilling fluids can be effectively reduced, thereby improving their sand-transportation capabilities, reducing bit wear, and extending the service life of drill bits.

2. Improving Lubricity

Friction between drilling tools and the wellbore wall is inevitable during drilling. Modified resins can form a lubricating film, reducing friction and wear on drilling tools. This lowers maintenance costs and boosts drilling efficiency.

3. Enhancing Formation Contamination Inhibition

Solid particles in drilling fluids may contaminate the formation. Modified resins can adsorb and immobilize these particles, preventing them from entering the formation and thus protecting it from damage.

Case Study of Practical Application

In a certain oil field, severe formation contamination was encountered during drilling. Through research and application of modified resins for drilling fluids, this issue was successfully resolved. Specifically, an appropriate amount of modified resin was added to the drilling fluid. Field tests demonstrated significant improvements in lubricity and formation contamination inhibition.

modified resins for drilling fluids hold significant value in oil and gas exploration and production. By optimizing drilling fluid performance, they not only enhance drilling efficiency and reduce maintenance costs but also effectively protect the formation, providing robust support for the efficient development of oil and gas resources. in-depth research into the formulations, properties, and application effects of modified resins for drilling fluids is of great importance for advancing technologies in oil and gas exploration and production.