Online Standards Store PDF
Petroleum and natural gas industries. Downhole equipment. Lock mandrels and landing nipples. General technical requirements
Document status: Active
Heat and mass exchange equipment of stationary distillation desalting plants. Specifications
Document status: Active
Casing and tubing for petroleum and natural gas industries. Recommendations for use and care
Document status: Active
Concentrated kaolin. Method for determination of calcium and magnesium oxides sum in water extract
Document status: Active
Surface active agents. Preparation of water with known calcium hardness
Document status: Active