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API TR 16TR1 BOP Shear Ram Performance Test Protocol, First Edition, Includes Errata 1 (2018)
standard by American Petroleum Institute, 07/01/2018
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BOP Shear Ram Performance Test Protocol
API TECHNICAL REPORT 16TR1 FIRST EDITION, JULY 2018
ERRATA 1, OCTOBER 2018
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Copyright © 2018 American Petroleum Institute
Affected Publication: API Technical Report 16TR1, BOP Shear Ram Performance Test Protocol, First Edition, July 2018
Section 8: Equation (2) shall be displayed as follows:
Figure 4 shall be replaced with the following:
Figure 5 shall be replaced with the following:
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iii
Contents
Page
Scope 1
Normative References 1
Definitions and Nomenclature 1
Definitions 1
Abbreviations 2
Test Equipment 3
General 3
Blowout Preventer (BOP) 3
BOP Operator 3
Shear Ram 3
Instruments 4
Test Samples 4
Pipe Description 4
Pipe Properties 4
Shear Test Procedure 5
Pipe Test Sample Preparation 5
Test Procedure Summary 6
Procedure-Test 1 9
Procedure-Test 2 11
Procedure-Test 3 13
Post Shear Measurements 13
Calculations 13
Documentation 14
Annex A (informative) Example Data Sheet 16
Annex B (normative) Shear Results Summary Table 21
Bibliography 22
Figures
Typical Initial Dimension Locations 5
Test Sample Length Requirement 6
Test 1 Outline 7
Test 2 Outline 8
Test 3 Outline 9
Shear Pipe Setup 10
v
BOP Shear Ram Performance Test Protocol
This document outlines the standardized test protocol, including data and reporting requirements, for performing sealing and nonsealing blowout preventer (BOP) shear ram performance 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 rams is per API 16A.
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) applies.
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, Standard 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
For the purposes of this document, the following definitions shall apply.
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.
Area of the operator piston exposed to the closing operating pressure, divided by the cross-sectional area of the piston shaft exposed to the wellbore pressure.
Closing component in a ram blowout preventer that is capable of shearing or cutting certain tubulars, but does not seal.
1 ASTM International, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, Pennsylvania, 19428-2959, www.astm.org.