1、BOP Shear Ram Performance Test ProtocolAPI TECHNICAL REPORT 16TR1FIRST EDITION, JULY 2018Special NotesAPI publications necessarily address problems of a general nature. With respect to particular circumstances, local,state, and federal laws and regulations should be reviewed.Neither API nor any of A
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19、ington, DC 20005, standardsapi.org.iiiContentsPage1 Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Normative References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
20、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Definitions and Nomenclature. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13.1 Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
21、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13.2 Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 Test Equipment. . . . . . . . . . . . . . . . .
22、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34.1 General. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34.2 Blowout Preventer (
23、BOP). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34.3 BOP Operator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34.4 She
24、ar Ram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34.5 Instruments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
25、. . . . . . . . . . . 45 Test Samples. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45.1 Pipe Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
26、 . . . . . . . . . . . . . . . . . . . . . . 45.2 Pipe Properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 Shear Test Procedure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
27、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56.1 Pipe Test Sample Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56.2 Test Procedure Summary. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
28、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66.3 Procedure-Test 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96.4 Procedure-Test 2. . . . . . . . . . . . . . . . . . . . . . . . .
29、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116.5 Procedure-Test 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137 Post Shear Measurements . . . . . . . . . . . .
30、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138 Calculations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139 Documentation . . . . . . . . . . .
31、. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14Annex A (informative) Example Data Sheet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16Annex B (normative) Shear Res
32、ults Summary Table. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21Bibliography . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22Figures1 Ty
33、pical Initial Dimension Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52 Test Sample Length Requirement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
34、3 Test 1 Outline. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74 Test 2 Outline. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
35、 . . . . . . . . . . . . . . . . . . 85 Test 3 Outline. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96 Shear Pipe Setup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
36、 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10vBOP Shear Ram Performance Test Protocol 1 Scope This document outlines the standardized test protocol, including data and reporting requirements, for performing sealing and nonsealing blowout preventer (BOP) shear ram performanc
37、e tests. This protocol determines the parameters that can support field system performance and confidence in successful shearing and sealing. This document is not intended to be used for qualifying BOP shear rams or as a factory acceptance test (FAT) procedure. Qualification and FAT of BOP shear ram
38、s is per API 16A. 2 Normative References The following referenced documents are essential when considering the examples outlined in this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) ap
39、plies. API Spec 16A, Specification for Drill-through Equipment, 2017 API Spec 16D, Specification for Control Systems for Drilling Well Control Equipment and Control Systems for Diverter Equipment ASTM A3701, Standard Test Methods and Definitions for Mechanical Testing of Steel Products ASTM E165, St
40、andard Practice for Liquid Penetrant Examination for General Industry ASTM E709, Standard Guide for Magnetic Particle Testing ASTM A388, Standard Practice for Ultrasonic Examination of Steel Forgings 3 Definitions and Nomenclature 3.1 Definitions For the purposes of this document, the following defi
41、nitions shall apply. 3.1.1 blind shear ram Closing and sealing component in a ram blowout preventer that first shears the tubular in the wellbore and then seals off the bore or acts as a blind ram if there is no tubular in the wellbore. 3.1.2 closing ratio Area of the operator piston exposed to the
42、closing operating pressure, divided by the cross-sectional area of the piston shaft exposed to the wellbore pressure. 3.1.3 non-sealing shear ram Closing component in a ram blowout preventer that is capable of shearing or cutting certain tubulars, but does not seal. 1ASTM International, 100 Barr Har
43、bor Drive, P.O. Box C700, West Conshohocken, Pennsylvania, 19428-2959, www.astm.org. 2 API TECHNICAL REPORT 16TR1 3.1.4 seal area Operator piston area used for effecting wellbore seal. NOTE Depending on the operator design, the shear and seal areas may or may not be equal. 3.1.5 shear area Operator
44、piston area used for shearing, not sealing. NOTE Depending on the operator design, the shear and seal areas may or may not be equal. 3.1.6 shear pressure Minimum hydraulic pressure applied to the ram operator that is sufficient to cut the intended “tubular.” 3.1.7 stabilization State in which the pr
45、essure change rate has decreased to within documented acceptance criteria. NOTE The documented acceptance criteria can include adjustments for different fluid types, air entrapment, compressibility, and temperature effects. 3.2 Abbreviations For the purposes of this document, the following abbreviat
46、ions apply. BOP blowout preventer BSR blind shear ram CSR casing shear ram FAT factory acceptance test ft-lb foot-pound HRC hardnessRockwell C in2square inches MTR mill test report NDE nondestructive examination OEM original equipment manufacturer RWP rated working pressure PPF pounds per foot psi p
47、ounds per square inch BOP SHEAR RAM PERFORMANCE TEST PROTOCOL 3 4 Test Equipment 4.1 General Information to support the traceability of the test equipment and test specimens is essential and shall be recorded, as noted below, prior to each test. The required documentation of the BOP is described in
48、Section 9 and the example data sheet in Annex A. 4.2 Blowout Preventer (BOP) The following items shall be recorded for the blowout preventer (BOP) being used for the shear tests: assembly part number, serial number, and revision level; manufacturer; description; size (bore) (in.); rated working pres
49、sure (psi). 4.3 BOP Operator The following items shall be recorded for the BOP operator: type; operator part number, serial number, and revision level; rated hydraulic working pressure (psi); piston closing (shear) area (in2); piston closing (seal) area (in2); piston rod area (in2); piston opening area (in2). NOTE Depending on the operator design, the shear and seal areas may or may not be equal. 4.4 Shear Ram The following items shall be recorded for the BOP shear rams being used for the shear tests: manufacturer of shear rams; manufacturer of shear ram se
