7_1_Addendum_2
Date of Issue: August 2009
Affected Publication: API Specification 7-1, Specification for Rotary Drill Stem Elements, First Edition, March 2006, Effective Date: February 1st, 2010
Addendum 2
This Addendum updates references in the first Edition of API Spec 7-1.
Page 3, Figure 1, Note 2, change:
NOTE 2 For the purposes of the provision in footnote b, API Specs 5D and 7 are equivalent to ISO 11961.
to
NOTE 2 For the purposes of the provision in footnote b, API Spec 5DP is equivalent to ISO 11961.
Page 4, Section 3, change:
API Spec 7, Rotary Drill Stem Elements
to
API Spec 5DP, Specification for Drill Pipe
API Spec 7-2, Specification for Threading and Gauging of Rotary Shouldered Thread
Connections
Page 17, Section 6.3, change:
API Spec 7
to
API Spec 7-2
Page 24, Section 7.2.1, replace the entire section with the following text:
The connection sizes and styles shall conform to the applicable sizes and styles, specified in Table 5 and Table 7 when connecting to kellys, in Table 14 and Table 19 when
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