новости
новости
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How to Perform Well Cementing
Well cementing is a critical operation in oil and gas drilling, directly impacting the stability and long-term safety of an oil or gas well. This process is vital to the integrity of the wellbore and its ability to produce hydrocarbons efficiently and safely over time.
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The Important Application of Fluid Loss Additives in Oil Field Extraction
Fluid loss additives play a crucial role in oil field extraction, serving as key components that directly influence not only the efficiency and cost-effectiveness of oil production but also environmental protection efforts.
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Fluid Loss Additives for Seawater Cement Slurry Systems: A Comprehensive Overview of CG117
The CG117 series of fluid loss additives, particularly CG117S and CG117L, have emerged as innovative solutions designed to enhance the performance of seawater cement slurries, ensuring optimal fluidity, pumpability, and stability under diverse conditions.
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Solutions for the poor sedimentation stability of low-density cement slurry
CG212S fluid loss additive is tailored for low-density cement slurries, enhancing thickening and suspension effects. It improves stability and ensures strong cement stone development, optimizing thickening performance.
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Products that are simultaneously resistant to multiple salts
CG714S is designed for low-density cement slurries, compatible with various inorganic salts (CaCl2, Na2SiO3, NaAlO2). It maintains normal fluidity, sedimentation stability, thickening performance, and water loss, meeting on-site construction needs effectively.
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Products improving the fluidity of seawater cement slurry
The fluid loss additive CG117S, which is suitable for seawater cement slurry system, has a polydisperse star-shaped structure and can effectively overcome the gelation and thixotropy problems caused by seawater slurry preparation, ensuring that the slurry has good fluidity.
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Solutions for the poor dispersion of high-density cement slurry
The CG116S fluid loss additive, for high-density cement slurries, offers strong dispersibility for low-resistance pumping. It features a short thickening time, rapid early strength development, a brief setting transition, and good anti-gas channeling properties.
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Low temperature accelerating type fluid loss additive
The CG9 series fluid loss additives (CG910S, CG911S, CG912S) reduce fluid loss and accelerate setting at low temperatures. They ensure short thickening times, quick early strength development, and high strength values.
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Products to solve cement slurry thickening time and strength reversal
The CG613S fluid loss additive ensures normal water loss performance while preventing reversal of thickening time and strength. It is compatible with various oil well cements and is widely used in domestic oilfields like Liaohe, Jidong, Dagang, and Jianghan.
