pec_16A-2017_2018.pdf

Date of Issue:May 2018 Affected Publication:API Specification 16A,Specification for Drill-through Equipment,Fourth Edition,April 2017 Errata 3 Section 4.3.4.3,Table 12:The third row of the table should read:79(3 1/8)79.40(3.125)160.32(6.312)29.60(1.166)125.40(4.938)59.9(2.36)BX-154 4 Section 4.3.4.3,Table 13:The fourth row of the table should read:78(3 1/16)77.80(3.063)193.68(7.625)30.40(1.197)158.75(6.250)60.4(2.38)BX-154 5 Section D.2.2:The second paragraph should read:The manufacturer shall communicate any design changes resulting from a malfunction,or failure history,to every known equipment owner of the affected equipment.That notice shall be within 30 days after the design change.Date of Issue:November 2017 Affected Publication:API Specification 16A,Specification for Drill-through Equipment,Fourth Edition,April 2017 Errata 2 Section 5.3.5.4:In the newly inserted section 5.3.5.4 from Errata 1,replace 1 mm(in.)with3 mm(in.)Date of Issue:August 2017 Affected Publication:API Specification 16A,Specification for Drill-through Equipment,Fourth Edition,April 2017 Errata 1 Section 4.3.4.2,Table 8:The left-most cell in the fourth row should read:Tolerance mm The right-most cell in the fourth row should read:-1.52 Section 4.3.4.2,Table 9:The right-most cell in the fourth row should read:-1.52 Section 4.3.4.2,Table 9:Remove stray vertical line on bottom right.Section 4.3.4.2,notes below Figure 4:The notes below the figure should read as follows:NOTE 1 For 13.8 MPa(2000 psi)and 20.7 MPa(3000 psi)type 16B blind hubs,refer to Table 8 and Table 9 for hub dimensions,ring groove dimensions,and tolerances.If corrosion-resistant inlay is used in ring grooves,refer to Table 10 for rough machining detail.NOTE 2 For 34.5 MPa(5000 psi),69.0 MPa(10,000 psi),103.5 MPa(15,000 psi),and 138.0 MPa(20,000 psi)type 16BX blind hubs,refer to Table 12,Table 13,Table 14,or Table 15 for hub dimensions,ring groove dimensions,and tolerances.If corrosion-resistant inlay is used in ring grooves,refer to API 6A for rough machining details.NOTE 3 The counterbore of a type 16B or type 16BX blind hub is optional.If the counterbore is used,the depth of the counterbore cannot exceed the dimension and tolerance of E or C as shown in the appropriate ring groove dimension table.a length of chamfer on optional counterbore“B”Section 4.3.4.2,Figure 5:The following footnote should be added below the figure:a Allow 3.2 mm(1/8 in.)or greater for final machining of overlay.Section 4.3.4.2:Delete the existing NOTE 2 and renumber NOTE 3 to NOTE 2 to read:NOTE 2 Other weld preparations may be employed when the strength of the overlay alloy equals or exceeds the strength of the base metal.Section 4.3.4.3,Table 13:The right-most cell in the second-from-bottom row should read:-1.52 Section 4.3.4.3,Table 15:The right-most cell in the second-from-bottom row should read:-1.52 Section 4.4.2.1:NOTE 1 should read:NOTE 1 Validation testing may be performed with test fixtures.Section 4.4.3:Equations 2 and 3 should read:Sa 0.83 Sy and Sb 1.0 Sy Section 4.4.3:Replace the last line in the section with the following:Sy is the bolting materials specified minimum yield strength.Section 4.4.5:Replace the sixth paragraph with the following:The capacity chart shall be based on the capabilities of the connector assembly and the test wellhead,mandrel,or test stump;the end connection may be excluded.Section 4.7.2.2.3:Replace the first paragraph with the following:Blind shear rams shall be tested in accordance with Table 22.The indicated tests shall be performed and the minimum performance criteria for the applied PR level shall be achieved.Section 4.7.3.3.2:Delete Step“f.”Section 4.7.3.5.2:Delete Step“h.”Section 4.7.3.7.2:Change Step“d”to NOTE 1 under Step“c”and re-letter the subsequent steps“d,”“e,”“f,”and“g,”respectively.Section 4.7.3.7.2:The new Step“g”(re-lettered from Step“h”)should read as follows:Repeat the above steps for two additional samples of drill pipe.Ram packers may be replaced as necessary.Section 4.7.3.7.2:Reassign the NOTE under Step“g”as NOTE 2.Section 4.7.3.9.2:Delete Step“g.”Section 4.7.3.9.3:The third bullet should read as follows:Load at which the leak developed or 600,000 lb for 5 in.and larger pipe,or 450,000 lb for pipe smaller than 5 in.,whichever is less;Section 4.7.3.9.3:Add a new bullet to the list as follows:Document any wear or deformation of the ram blocks,simulated tool-joint,and the metal inserts of the ram packer.Section 4.7.3.10.2:Step“d”should read as follows:d)Bleed the wellbore pressure to zero psi,increase the hang-off load incrementally,and repeat Step b through Step c for each load increment until the minimum performance criteria of tables 20 and 21 are met.Section 4.7.3.18.4:The third bullet should read as follows:The number of flexing cycles required to achieve full closure at room temperature for the Open Hole pressure test;Section 4.7.3.19.4:The third bullet should read as follows:The number of flexing cycles required to achieve full c