API SPEC 7-1-2023 旋转钻柱构件规范
文档页数：125文档大小：36.39MB文档格式：pdfRotary Drill Stem Elements API SPECIFICATION 7-1 SECOND EDITION FEBRUARY 2023 API MONOGRAM EFFECTIVE DATE:SEPTEMBER 1 2023 AP American Petroleum Institute Special Notes API publications necessarily address problems of a general nature.With respect to particular circumstances localstate and federal laws and regulations should be reviewed.The use of API publications is voluntary.In some casesthird parties or authorities having jurisdiction may choose to incorporate API standards by reference and may mandate pliance. Neither API nor any of API's employees subcontractors consultants mittees or other assignees make any warranty or representation either express or implied with respect to the accuracy pleteness or usefulness of the information contained herein or assume any liability or responsibility for any use or the results of such use of any information or process disclosed in this publication.Neither API nor any of API's employees subcontractorsconsultants or other assignees represent that use of this publication would not infringe upon privately owned rights. API publications may be used by anyone desiring to do so.Every effort has been made by the Institute to ensur...
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