This standard specifies the composition, basic parameters, marks, requirements, test methods, inspection rules, signs, packaging, transportation and storage of offshore platform drilling heave compensation winches (hereinafter referred to as drilling compensation winches). This standard applies to the design, manufacture and acceptance of compensation winches for drilling. Compensation winches for other purposes can be used as a reference.
GB/T 39209-2020 Referenced Document
GB/T 1720 Circle-drawing test of coating films*, 2020-11-19 Update
GB/T 1804 General tolerances Tolerances for linear and angular dimensions without individual tolerance indications
GB/T 191 Packaging.Pictorial marking for handling of goods