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  • API 7NRV : 2006

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    SPECIFICATION FOR DRILL STRING NON-RETURN VALVES

    Available format(s):  Hardcopy, PDF

    Superseded date:  14-01-2020

    Language(s):  English

    Published date:  01-01-2012

    Publisher:  American Petroleum Institute

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    Table of Contents - (Show below) - (Hide below)

    1 SCOPE
    2 NORMATIVE REFERENCES
    3 TERMS AND DEFINITIONS
    4 REQUIREMENTS
      4.1 General
      4.2 Design requirements
      4.3 Functional considerations
      4.4 Design considerations
      4.5 Verification test
    5 MATERIALS
      5.1 General
      5.2 Metals
      5.3 Non-metals
      5.4 Traceability
    6 QUALITY CONTROL REQUIREMENTS
      6.1 General
      6.2 Documentation retention
      6.3 Personnel qualifications
      6.4 Calibration systems
      6.5 Inspection of elastomeric materials
      6.6 Dimensional inspection
      6.7 Thread inspection
      6.8 Welding and brazing
      6.9 Qualification of heat treatment equipment
      6.10 Coatings, overlays, and surface treatments
      6.11 Mechanical and physical properties (where required by this
           Standard)
      6.12 NDE requirements
    7 TESTING
      7.1 General
      7.2 Verification testing
      7.3 General requirements for an NRV verification test facility
      7.4 NRV verification test procedure
      7.5 NRV Nitrogen Pressure Test
      7.6 NRV Hydro Pressure Test
      7.7 NRV Cycle Test
      7.8 NRV Erosion Test
      7.9 RV Float Sub and NRV Landing Nipple testing
      7.10 NRV Equalizing Head testing
      7.11 Verification test for seal materials
      7.12 Production Testing
    8 IDENTIFICATION, DOCUMENTATION AND PREPARATION FOR
      TRANSPORT
      8.1 Identification
      8.2 Documentation
      8.3 Preparation for transport
    APPENDIX A MINIMUM TEST DATA
    APPENDIX B API MONOGRAM

    Abstract - (Show below) - (Hide below)

    Provides the minimum acceptable requirements for Drill String Non-return Valve (NRV) equipment.

    General Product Information - (Show below) - (Hide below)

    Development Note Also available in Chinese edition, API 7NRV CHINESE. (01/2014) NEW CHILD ADD 1 2019 IS NOW ADDED<br>
    Document Type Standard
    Product Note Reconfirmed 2006 NEW CHILD ADD 1 2019 IS NOW ADDED<br>
    Publisher American Petroleum Institute
    Status Superseded
    Superseded By

    Standards Referencing This Book - (Show below) - (Hide below)

    ASME PV CODE 5 : 2017 BOILER AND PRESSURE VESSEL CODE - NONDESTRUCTIVE EXAMINATION
    BS ISO 3601-3 : 2005 FLUID POWER SYSTEMS - O-RINGS - PART 3: QUALITY ACCEPTANCE CRITERIA
    ASTM E 446 : 2015 : REDLINE Standard Reference Radiographs for Steel Castings Up to 2 in. (50.8 mm) in Thickness
    ASNT SNT TC 1A : 2016 TOPICAL OUTLINES FOR QUALIFICATION OF NONDESTRUCTIVE TESTING PERSONNEL
    ASTM E 186 : 2015 : REDLINE Standard Reference Radiographs for Heavy-Walled (2 to 412 in. (50.8 to 114 mm)) Steel Castings
    ASME PV CODE 2C : 2017 BOILER AND PRESSURE VESSEL CODE - MATERIALS - SPECIFICATIONS FOR WELDING RODS, ELECTRODES, AND FILLER METALS
    API 5CT : 2012 CASING AND TUBING
    MIL H 6875 : H HEAT TREATMENT OF STEEL RAW MATERIALS
    ASTM D 1414 : 2015 : REDLINE Standard Test Methods for Rubber O-Rings
    ASME PV CODE 2A : 2017 BOILER AND PRESSURE VESSEL CODE - MATERIALS - FERROUS MATERIAL SPECIFICATIONS (BEGINNING TO SA-450) AND (SA-451 TO END)
    ASME PV CODE 2B : 2017 BOILER AND PRESSURE VESSEL CODE - MATERIALS - NONFERROUS MATERIAL SPECIFICATIONS
    ASTM E 10 : 2017-05 TEST METHOD FOR BRINELL HARDNESS OF METALLIC MATERIALS
    ASME PV CODE 9 : 2017 BOILER AND PRESSURE VESSEL CODE - WELDING, BRAZING, AND FUSING QUALIFICATIONS - QUALIFICATION STANDARD FOR WELDING, BRAZING, AND FUSING PROCEDURES; WELDERS; BRAZERS; AND WELDING, BRAZING, AND FUSING OPERATORS
    ISO 10417:2004 Petroleum and natural gas industries Subsurface safety valve systems Design, installation, operation and redress
    BS ISO 3601-1 : 2012 FLUID POWER SYSTEMS - O-RINGS - PART 1: INSIDE DIAMETERS, CROSS-SECTIONS, TOLERANCES AND DESIGNATION CODES
    API MPM CH10.4 : 2013 MANUAL OF PETROLEUM MEASUREMENT STANDARDS - CHAPTER 10.4: DETERMINATION OF WATER AND/OR SEDIMENT IN CRUDE OIL BY THE CENTRIFUGE METHOD (FIELD PROCEDURE)
    ANSI/NCSL Z540 1 : 94(R2002) CALIBRATION - CALIBRATION LABORATORIES AND MEASURING AND TEST EQUIPMENT - GENERAL REQUIREMENTS
    ASME PV CODE 8 DIV 1 : 2017 BOILER AND PRESSURE VESSEL CODE - RULES FOR CONSTRUCTION OF PRESSURE VESSELS DIVISION 1
    ASME PV CODE 2D CUSTOMARY : 2017 BOILER AND PRESSURE VESSEL CODE - MATERIALS - PROPERTIES (CUSTOMARY)
    API 7 : 2001 SPECIFICATION FOR ROTARY DRILL STEM ELEMENTS
    ASME PV CODE 8 DIV 2 : 2017 BOILER AND PRESSURE VESSEL CODE - RULES FOR CONSTRUCTION OF PRESSURE VESSELS DIVISION 2- ALTERNATIVE RULES
    API RP 14B : 2015 DESIGN, INSTALLATION, OPERATION, TEST, AND REDRESS OF SUBSURFACE SAFETY VALVE SYSTEMS
    ASME PV CODE 2D METRIC : 2017 BOILER AND PRESSURE VESSEL CODE - MATERIALS - PROPERTIES (METRIC)
    ASTM E 280 : 2015 : REDLINE Standard Reference Radiographs for Heavy-Walled (412 to 12 in. (114 to 305 mm)) Steel Castings
    BS 2M 54:1991 SPECIFICATION FOR TEMPERATURE CONTROL IN THE HEAT TREATMENT OF METALS
    ASTM E 709 : 2015 : REDLINE Standard Guide for Magnetic Particle Testing
    ASTM D 41 : 2005 Standard Specification for Asphalt Primer Used in Roofing, Dampproofing, and Waterproofing
    ASME PV CODE 8 DIV 3 : 2017 BPVC Section VIII-BOILER AND PRESSURE VESSEL CODE - RULES FOR CONSTRUCTION OF PRESSURE VESSELS - ALTERNATIVE RULES FOR CONSTRUCTION OF HIGH PRESSURE VESSELS
    ASTM E 92 : 2017 : REDLINE Standard Test Methods for Vickers Hardness and Knoop Hardness of Metallic Materials
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