GB/T 16783.1-2025 in English

This standard outlines the procedures and methods for conducting on-site tests of water-based drilling fluids in the petroleum and natural gas industry. It specifies the requirements for equipment, sampling, and testing procedures to ensure consistency and reliability in the evaluation of drilling fluid properties. The standard is structured to provide detailed guidance for personnel involved in the testing process, ensuring that all operations are conducted in accordance with established practices. It covers the essential parameters that need to be measured and the conditions under which these tests should be performed. The content is organized to facilitate the application of the standard in field operations, supporting the accurate assessment of drilling fluid performance. This standard is divided into parts, with this particular part focusing specifically on water-based drilling fluids.