pec_7-2001_add2-2006.pdf

Specification for Rotary Drill Stem ElementsAPI SPECIFICATION 7FORTIETH EDITION,NOVEMBER 2001EFFECTIVE DATE:MARCH 2002Addendum 2March 2006EFFECTIVE DATE:SEPTEMBER 2006Addendum 2 to Specification for Rotary Drill StemElements1The below listed products are removed from Spec 7 and will now be covered in API Specifi-cation 7-1/ISO 10424-1,“Rotary Drill Stem Elements”.Tool Joints,Rotary Shouldered Connections,and Gauging will remain in Spec 7.Remove the following sections.4 UPPER AND LOWER KELLY VALVES5 SQUARE AND HEXAGON KELLYS7 DRILL-STEM SUBS8 DRILL COLLARS(Move section 8.1.5 Connection Stress Relief Features to 10.4 and retain Figure 17 and Table 16.)9 DRILLING AND CORING BITSRemove the following tables from Appendix MMetric Tables.Metric Table 2Square KellysMetric Table 3Hexagonal KellysMetric Table 4Kelly Sleeve GaugeMetric Table 12Float Valv Recess In Bit SubsMetric Table 13Drill Collars 03/06Product No.G0740A2Additional copies are available through Global Engineering Documents at(800)854-7179 or(303)397-7956Information about API Publications,Programs and Services is avail-able on the World Wide Web at:http:/www.api.org