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Here you will find documents related to the API Monogram Program and APIQR. This includes documents related to Standards that are a part of the API Monogram Program as well as license and registration related documents.

Addenda & Errata for Standards that are a part of the API Monogram Program and APIQR are available for download on this page. You can also download these documents or purchase the full standards by visiting the API Publications Store

API Spec Q1 Specification for Quality Management System Requirements for Manufacturing Organizations for the Petroleum and Natural Gas Industry, 9th Edition, June 2013

 Errata 1, February 2014
 Errata 2, March 2014
 Addendum 1, June 2016

Spec Q2, Specification for Quality Management System Requirements for Service Supply Organizations for the Petroleum and Natural Gas Industries, 1st Edition, December 2011

Addendum 1, June 2016

API Spec 2C Offshore Cranes, 7th Edition, March 2012 – Offshore Cranes

Errata 1, March 2013

API Spec 5CRA Corrosion Resistant Alloy Seamless Tubes for Use as Casing, Tubing and Coupling Stock, 1st Edition, February 2010 - Manufacturer of Casing, Tubing or Coupling Stock at PSL 1; Manufacturer of Casing, Tubing or Coupling Stock at PSL 2, at Groups 1, 2, 3 and / or 4

Errata 1, August 2011

API Spec 5CT Casing and Tubing, 9th Edition, July 2011 – Manufacturer of Casing or Tubing Plain End; Manufacturer of Casing or Tubing Threaded and Coupled; Manufacturer of Casing or Tubing Pup Joints; Manufacturer of Casing or Tubing Couplings; Manufacturer of Accessories; Processor of Casing or Tubing Plain End; Processor of Casing or Tubing Threaded and Coupled; Threader, at Groups 1, 2, 3 and / or 4

Errata 1, September 2012
Errata 2, October 2016

API Spec 5L Line Pipe, 45th Edition, December2012 – Manufacturer of Line Pipe - Plain End at PSL 1; Manufacturer of Line Pipe - Plain End at PSL 2; Manufacturer of Line Pipe - Threaded and Coupled; Manufacturer of Line Pipe Couplings; Processor of Line Pipe - Plain End at PSL 1; Processor of Line Pipe - Plain End at PSL 2; Processor of Line Pipe - Threaded and Coupled; Threader

Errata 1, April 2015

API Spec 5LC CRA Line Pipe, 4th Edition, March 2015 – Manufacturer of Alloy Pipe; Processor of Alloy Pipe

Errata 1, October 2015

API Spec 6A Wellhead and Christmas Tree Equipment, 20th Edition, October 2010 – Manufacturer of: Casing and Tubing Heads; Cross-Over Connectors; Tubing Head Adapters; Top Connectors; Tees and Crosses; Fluid-Sampling Devices; Adapter and Spacer Spools; Casing and Tubing Hangers; Valves; Chokes; Surface and Underwater Safety Valves; Surface and Underwater Safety Valve Actuators; Back Pressure Valves; Flanged Connectors; Threaded Connectors; Other End Connectors; Bullplugs; Valve Removal Plugs; Actuators; Ring Joint Gaskets at PSL 1 through 4

Addendum 1, November 2011
Addendum 2, November 2012
Addendum 3, March 2013
Addendum 4, June 2016
Errata 10, August 2016 (includes changes from Errata 1-9)

API Spec 6D Pipeline Valves, 24th Edition, August 2014 (Steel Gate, Plug, Ball, and Check Valves) – Gate Valves; Plug Valves; Ball Valves; Check Valves

Addendum 1, March 2015
Addendum 2, June 2016
Errata 8, August 2016 (includes changes from Errata 1-7)

API Spec 6DSS Subsea Pipeline Valves, 2nd Edition, December 2009 - Subsea Gate Valves; Subsea Plug Valves; Subsea Ball Valves; Subsea Check Valves

Errata 2, November 2010 (includes changes from Errata 1)

API Spec 7-1 Rotary Drilling Equipment, 1st Edition, March 2006 - Kelly Valves; Kellys; Drill Stem Subs; Drill Collars; Heavy Weight Drill Pipe; Roller Bits; Blade Drag Bits; Diamond Bits; PDC Bits; Threading for Rotary Shouldered Connections; Stabilizers

Addendum 1, March 2007
Addendum 2, August 2009
Addendum 3, April 2011

API Spec 7-2 Threading and Gauging of Rotary Shouldered Thread Connections, 1st Edition, June 2008 - Rotary Shouldered Connection Gauges

Addendum 1, December 2010

API Spec 7F Oil Field Chain and Sprockets, 8th Edition, November 2010 – Roller Chain

Errata 1, May 2013

API Spec 7K Drilling Equipment, 6th Edition, December 2015 – Rotary Tables, Kelly Bushings, Master Bushings, Rotary Slips, Rotary Hoses, Piston Mud Pump Components, Drawworks Components, Spiders Not Capable of Use as Elevators, Manual Tongs, Safety Clamps Not used as Hoisting Devices, Power Tongs, Pressure Relieving Devices for High-Pressure Drilling Fluid Circulating Systems, Snub-Lines for Manual and Power Tongs

Errata 1, May 2016
Errata 2, August 2016

API Spec 8C Drilling and Production Hoisting Equipment, 5th Edition, April 2012 – Hoisting Sheaves, Traveling Blocks and Hook Blocks; Block-to-Hook Adapters, Connectors and Link Adapters, Drilling Hooks, Tubing and Sucker Rod Hooks; Elevator Links, Casing, Tubing and Drill Pipe Elevators, Sucker Rod Elevators; Rotary Swivel Bail Adapters, Rotary Swivels; Power Swivels, Power Subs; Spiders (if capable of being used as elevators), Wireline Anchors; Drill-String Motion Compensators; Kelly Spinners (if capable of being used as hoisting equipment); Pressure Vessels and Piping Mounted onto Hoisting Equipment; Safety Clamps (if capable of being used as hoisting equipment); Guide Dollies for Traveling Equipment at PSL 1 and 2

Errata 1, May 2014

API Spec 9A Wire Rope, 26th Edition, May 2011 – Bright or Drawn-Galvanized Wire Rope; Mooring Wire Rope; Torpedo Lines; Well-Measuring Wire; Well-Measuring Strand; Wire Guy Strand; Structural Rope and Strand

Errata 1, October 2012

API Spec 11B Sucker Rods, 27th Edition, May 2010 – Steel Sucker Rods; FRP Sucker Rods; Couplings, Subcouplings and Polished Rod Connections; Polished Rods; Polished Rod Clamps; Stuffing Box and Pumping Tees; Sinker Bars; Threads; Thread Gages

Errata 1, October 2010
Errata 2, February 2011

API Spec 11E Pumping Units, 19th Edition, November 2013 – Pumping Unit Structure; Pumping Unit Gear Reducer

Errata 1, August 2015

API Spec 13A Oil-Well Drilling-Fluid Materials, 18th Edition, February 2010 – Barite; Barite 4,1 Hematite; Bentonite; Nontreated Bentonite; Attapulgite; Sepiolite; CMC-LVT; CMC-HVT; Starch; OCMA Grade Bentonite; PAC-LV; PAC-HV; Drilling-Grade Xanthan Gum

Errata 3, July 2015 (includes changes from Errata 1-2)
Errata 4, October 2016

API Spec 14A Subsurface Safety Valve Equipment, 12th Edition, January 2015 – Subsurface Safety Valves; Testing Agency

Errata 1, July 2015

API Spec 16A Drill Through Equipment 3rd Edition, June 2004 - Ram BOP; Ram Blocks, Packers, and/or Top Seals; Annular BOP; Annular Packing Units; Hydraulic Connectors; Drilling Spools; Adapters; Loose Connections; Clamps

Errata/Supplement, November 2004

API Spec 16C Choke and Kill Equipment, 2nd Edition, March 2015 - Articulated Choke & Kill Lines; Choke and Kill Manifold Buffer Chamber; Drilling Choke Actuators; Drilling Choke Controls; Drilling Chokes; Rigid Choke and Kill Lines; Flexible Choke and Kill Lines at FSL 0, FSL 1, FSL 2 and/or FSL 3

Addendum 1, July 2016
Errata 4, July 2016 (includes changes from Errata 1–3)

API Spec 17D Subsea Wellhead and Christmas Tree Equipment, 2nd Edition, May 2011 – Subsea Tree Equipment, Subsea Wellhead Equipment, Mudline Suspension System Equipment, Other Equipment at PSL 2, 3, 3G

Errata 7, October 2015 (includes changes from Errata 1–6)
Addendum 1, September 2015

API Spec 19G1 Side-pocket Mandrels, 1st Edition, May 2010

Errata 1, December 2014

API Spec 20A Carbon Steel, Alloy Steel, Stainless Steel, and Nickel Base Alloy Castings, 1st Edition, March 2012

Addendum 2, April 2015 (includes changes from Addendum 1)
Errata 1, August 2015

API Spec 20B Open Die Shaped Forgings, 1st Edition, April 2013 - Groups 1, 2, 3, 4 and 5

Errata 1, December 2013

API Spec 20E Alloy and Carbon Steel Bolting, 1st Edition, August 2012

Errata 1, October 2014

API Standard 650 Welded Tanks for Oil Storage, 12th Edition, March 2013 - Fabricated Steel Plates and Shop Built Tanks

Errata 2, December, 2014
Addendum 2, January 2016

You must complete an API Licensing Information Form for the API Monogram License you wish to obtain or maintain. Below is a comprehensive list of all API Monogram Licenses and their associated products. If unclear or if you require additional information on the scope of any of these licenses, please contact API.

The Specification Number is a link to the specific Licensing Information Form.

API 2B - Structural Steel Pipe: Steel Pipe

API 2C - Offshore Cranes: Offshore Cranes

API 2F - Mooring Chain: Flash Welded Chain; Forged Connecting Links

API 2H - Carbon Manganese Steel Plate for Offshore Platform Tubular Joints: Grade 42 Steel Plate; Grade 50 Steel Plate

API 2MT1 - As-Rolled Carbon Manganese Steel Plate with Improved Toughness for Offshore Structures: Steel Plate, Grade 2MT1

API 2MT2 - Rolled Shapes with Improved Notch Toughness: Steel Rolled Shapes

API 2W - Steel Plates for Offshore Structures Produced by Thermo-Mechanical Control Processing (TMCP): Grade 50 Steel Plate; Grade 60 Steel Plate

API 2Y - Steel Plates, Quenched-and-Tempered, for Offshore Structures: Grade 50 Steel Plate; Grade 60 Steel Plate

API 4F - Drilling and Well Servicing Structures: Derricks; Masts; Crown Block Assemblies; Substructures; at PSL 1 and / or 2

API 5B - Threading, Gauging, and Thread Inspection of Casing, Tubing and Line Pipe Threads: Thread Gauges

API Spec 5CRA Corrosion Resistant Alloy Seamless Tubes for Use as Casing, Tubing and Coupling Stock - Manufacturer of Casing, Tubing or Coupling Stock at PSL 1; Manufacturer of Casing, Tubing or Coupling Stock at PSL 2, at Groups 1, 2, 3 and / or 4

API Spec 5CT Casing and Tubing – Manufacturer of Casing or Tubing Plain End; Manufacturer of Casing or Tubing Threaded and Coupled; Manufacturer of Casing or Tubing Pup Joints; Manufacturer of Casing or Tubing Couplings; Manufacturer of Accessories; Processor of Casing or Tubing Plain End; Processor of Casing or Tubing Threaded and Coupled; Threader, at Groups 1, 2, 3 and / or 4

API Spec 5DP Drill Pipe - Drill Pipe Body; Tool Joints; Drill Pipe (Assembly)

API Spec 5L Line Pipe – Manufacturer of Line Pipe - Plain End at PSL 1; Manufacturer of Line Pipe - Plain End at PSL 2; Manufacturer of Line Pipe - Threaded and Coupled; Manufacturer of Line Pipe Couplings; Processor of Line Pipe - Plain End at PSL 1; Processor of Line Pipe - Plain End at PSL 2; Processor of Line Pipe - Threaded and Coupled; Threader

API Spec 5LC CRA Line Pipe – Manufacturer of Alloy Pipe; Processor of Alloy Pipe

API Spec 5LCP Coiled Line Pipe – Coiled Line Pipe

API Spec 5LD CRA Clad or Lined Steel Pipe – Manufacturer of Clad Steel Pipe; Manufacturer of Lined Steel Pipe; Processor of Clad Steel Pipe; Processor of Lined Steel Pipe.

API Spec 5ST Coiled Tubing - Manufacturer of Coiled Tubing

API Spec 6A Wellhead and Christmas Tree Equipment – Manufacturer of: Casing and Tubing Heads; Cross-Over Connectors; Tubing Head Adapters; Top Connectors; Tees and Crosses; Fluid-Sampling Devices; Adapter and Spacer Spools; Casing and Tubing Hangers; Valves; Chokes; Surface and Underwater Safety Valves; Surface and Underwater Safety Valve Actuators; Back Pressure Valves; Flanged Connectors; Threaded Connectors; Other End Connectors; Bullplugs; Valve Removal Plugs; Actuators; Ring Joint Gaskets at PSL 1 through 4

API Spec 6AV1 Verification Test of Wellhead Surface Safety Valves and Underwater Safety Valves for Offshore Use – Testing Agency

API Spec 6D Pipeline Valves (Steel Gate, Plug, Ball, and Check Valves) – Gate Valves; Plug Valves; Ball Valves; Check Valves

API Spec 6DSS Subsea Pipeline Valves - Subsea Gate Valves; Subsea Plug Valves; Subsea Ball Valves; Subsea Check Valves

API Spec 7-1 Rotary Drilling Equipment - Kelly Valves; Kellys; Drill Stem Subs; Drill Collars; Heavy Weight Drill Pipe; Roller Bits; Blade Drag Bits; Diamond Bits; PDC Bits; Threading for Rotary Shouldered Connections; Stabilizers

API Spec 7-2 Threading and Gauging of Rotary Shouldered Thread Connections - Rotary Shouldered Connection Gauges

API Spec 7F Oil Field Chain and Sprockets – Roller Chain

API Spec 7K Drilling and Well Servicing Equipment – Rotary Tables, Rotary Bushings, Rotary Slips, Piston Mud Pump Components, Drawworks Components, Spiders, Manual Tongs, Safety Clamps Not used as Hoisting Devices, BOP Handling Systems, Pressure Relieving Devices for High-Pressure Drilling Fluid Circulating Systems, Snub-Lines for Manual and Power Tongs, Slip Bowls, High Pressure Mud and Cement Hoses at FSL 0, 1, and 2

API Spec 7NRV Drill String Non-return Valves - Drill String Non Return Valves, Non Return Valve Subs, Non Return Valve Landing Nipples, Non Return Valve Equalizing Heads

API Spec 8C Drilling and Production Hoisting Equipment – Hoisting Sheaves, Traveling Blocks and Hook Blocks; Block-to-Hook Adapters, Connectors and Link Adapters, Drilling Hooks, Tubing and Sucker Rod Hooks; Elevator Links, Casing, Tubing and Drill Pipe Elevators, Sucker Rod Elevators; Rotary Swivel Bail Adapters, Rotary Swivels; Power Swivels, Power Subs; Spiders (if capable of being used as elevators), Wireline Anchors; Drill-String Motion Compensators; Kelly Spinners (if capable of being used as hoisting equipment); Pressure Vessels and Piping Mounted onto Hoisting Equipment; Safety Clamps (if capable of being used as hoisting equipment); Guide Dollies for Traveling Equipment at PSL 1 and 2

API Spec 9A Wire Rope – Bright or Drawn-Galvanized Wire Rope; Mooring Wire Rope; Torpedo Lines; Well-Measuring Wire; Well-Measuring Strand; Wire Guy Strand; Structural Rope and Strand

API Spec 10A Well Cements – API Well Cement Class A, Type [O]; Class B, Type [MSR, HSR]; Class C, Type [O, MSR, HSR]; Class D, Type [MSR, HSR]; Class G, Type [MSR, HSR]; Class H, Type [MSR, HSR]

API Spec 10D Bow-Spring Casing Centralizers – Casing Centralizers

API Spec 11AX Subsurface Sucker Rods, Pumps and Fittings – Pump and Pump Parts; Pump Parts without Tubing or Sucker Rod Threads; Seating Cups

API Spec 11B Sucker Rods – Steel Sucker Rods; FRP Sucker Rods; Couplings, Subcouplings and Polished Rod Connections; Polished Rods; Polished Rod Clamps; Stuffing Box and Pumping Tees; Sinker Bars; Threads; Thread Gages

API Spec 11D1 Downhole Equipment - Packers; Bridge Plugs

API Spec 11E Pumping Units – Pumping Unit Structure; Pumping Unit Gear Reducer

API Spec 12B Bolted Tanks for Storage of Production Liquids – Storage Tanks

API Spec 12D Field Welded Tanks for Storage of Production Liquids – Storage Tanks

API Spec 12F Shop Welded Tanks for Storage and Production Liquids – Storage Tanks

API Spec 12J Oil and Gas Separators – Separators

API Spec 12K Indirect Type Oilfield Heaters – Heaters; Shells; Coils

API Spec 12L Vertical and Horizontal Emulsion Treaters – Treaters

API Spec 12P Fiberglass Reinforced Plastic Tanks – FRP Tanks

API Spec 13A Oil-Well Drilling-Fluid Materials – Barite; Barite 4,1 Hematite; Bentonite; Nontreated Bentonite; Attapulgite; Sepiolite; CMC-LVT; CMC-HVT; Starch; OCMA Grade Bentonite; PAC-LV; PAC-HV; Drilling-Grade Xanthan Gum

API Spec 14A Subsurface Safety Valve Equipment – Subsurface Safety Valves; Testing Agency

API Spec 14L Lock Mandrels and Landing Nipples - Lock Mandrels; Landing Nipples

API Spec 15HR High Pressure Fiberglass Line Pipe – Line Pipe; Couplings; Fittings; Flanges; Reducers and Adapters

API Spec 15LE Polyethylene Line Pipe (PE) – (PE) Line Pipe

API Spec 15LR Low Pressure Fiberglass Line Pipe – CC Line Pipe; FW Line Pipe

API 15S - Spoolable Reinforced Plastic Line Pipe: Non-metallic Reinforced Pipe, End Fittings, Coupling Fittings

API 16A - Drill Through Equipment: Ram BOP; Ram Blocks, Packers, and/or Top Seals; Annular BOP; Annular Packing Units; Hydraulic Connectors; Drilling Spools; Adapters; Loose Connections; Clamps

API Spec 16C Articulated Choke & Kill Lines; Choke and Kill Manifold Buffer Chamber; Drilling Choke Actuators; Drilling Choke Controls; Drilling Chokes; Rigid Choke and Kill Lines; Flexible Choke and Kill Lines at FSL 0, FSL 1, FSL 2 and/or FSL 3

API Spec 16D Control Systems for Drilling Well Control Equipment – Control Systems for Surface Mounted BOP Stacks; Hydraulic Control Systems for Subsea BOP Stacks; Electro-Hydraulic/Multiplex Control Systems for Subsea BOP Stacks; Diverter Control Systems; Emergency Backup BOP Control Systems; Auxiliary Equipment Control Systems and Interfaces

API Spec 16F Marine Drilling Riser Equipment

API Spec 16RCD Drill through Equipment (Rotating Control Devices)

API Spec 16R Marine Drilling Riser Couplings – Marine Drilling Riser Couplings

API Spec 17D Subsea Wellhead and Christmas Tree Equipment – Subsea Tree Equipment, Subsea Wellhead Equipment, Mudline Suspension System Equipment, Other Equipment at PSL 2, 3, 3G

API Spec 17E Subsea Production Control Umbilicals – Hose Umbilicals; Electrical Umbilicals; Electro-Hydraulic Umbilicals

API Spec 17J Unbonded Flexible Pipe – Unbonded Flexible Pipe

API Spec 17K Bonded Flexible Pipe - Bonded Flexible Pipe

API 19AC - Completion Accessories: Pressure Containing and Non-Pressure Containing Completion Accessories

API Spec 19G1 Side-pocket Mandrels

API Spec 19G2 Flow-control Devices for Side-pocket Mandrels

API Spec 19G3 Running Tools, Pulling Tools, and Kick-over Tools and Latches for Side-Pocket Mandrels

API Spec 19V Subsurface Barrier Valves - Type A, B, C, AA, BB and CC Barrier Valves; Barrier Valve Tools

API Spec 20A Carbon Steel, Alloy Steel, Stainless Steel, and Nickel Base Alloy Castings

API Spec 20B Open Die Shaped Forgings - Groups 1, 2, 3, 4 and 5

API Spec 20C Closed Die Forgings 

API Spec 20E Alloy and Carbon Steel Bolting

API Spec 20F Corrosion Resistant Bolting

API Standard 547 General-Purpose Form-Wound Squirrel Cage Induction Motors - 250 Horsepower and Larger

API Standard 594 Check Valves

API Standard 599 Metal Plug Valves

API Standard 600 Bolted Bonnet Steel Gate Valves - Bolted Bonnet Steel Gate Valves

API Standard 602 Compact Steel Gate Valves, Globe Valves and Check Valves

API Standard 603 Corrosion-Resistant Bolted Bonnet Gate Valves

API Standard 608 Metal Ball Valves

API Standard 609 Butterfly Valves

API Standard 650 Welded Tanks for Oil Storage - Fabricated Steel Plates and Shop Built Tanks