Is barite powder a hazardous substance?

Barite powder is generally not classified as a hazardous substance, but under certain conditions, there are certain health and transportation risks involved, and proper procedures must be followed.

What are the stages of lignosulfonate in oil fields and what agents are used?

Lignosulfonates are mainly used as drilling fluid treatment agents, surfactants for tertiary oil recovery, and profile control and plugging agents in oilfield operations.

The role of carboxymethyl cellulose in drilling

Carboxymethyl cellulose (CMC) is mainly used as a viscosity enhancer and filtrate reducer in drilling operations.

What are the common types of water loss agents?

The common types of water loss agents mainly include water-soluble polymers, granular materials, and environmentally friendly water loss agents.

Principle of action of water loss reducing agent

The core function of a water loss agent is to control the filtration of cement slurry or drilling fluid into the formation through multiple synergistic mechanisms, thereby forming a thin and dense filter cake, reducing water loss, ensuring wellbore stability, preventing interlayer flow, and protecting oil and gas reservoirs.

Which weighting agent performs best in high-temperature deep wells?

In high-temperature deep well operations, barite powder that has undergone surface modification treatment exhibits the best performance and is the most optimal choice for comprehensive performance under current technological conditions.