API American Petroleum Institute standard --API (American Petroleum Institute) abbreviation. API was built in 1919, is one of the first US national Chamber of Commerce Association, is also one of the earliest and most successful developing worldwide standards Commerce Association.

API Monogram Forensics Product Catalog
API Spec 1B oilfield triangle belt - triangle belt
API Spec 2B structural steel pipe - steel pipe
API Spec 2C Offshore Crane - level maritime station discouraged machine
API Spec 2F chain - flash butt welding chain
API Spec 2H Offshore carbon manganese steel pipe fittings --42 grade steel plate, 50 steel grade steel plate
API Spec 2MT1 offshore structures rolled carbon steel to improve the toughness - 2MT1 grade manganese steel plate
API Spec 2W offshore structural steel plate by thermal control process (TMCP) production of
API Spec 2Y offshore structures quenched and tempered steel plate
API Spec 4F drilling and work over derrick
API Spec 5B casing, tubing and line pipe thread processing, measurement and inspection
API Spec 5CT casing and tubing
API Spec 5D drill
API Spec 5L line pipe
API Spec 5LC CRA (corrosion-resistant alloys) pipeline
API Spec 5LCP continuous pipeline
API Spec 5LD covered with corrosion-resistant alloy or lined steel pipe
API Spec 6A wellhead equipment and oil gathering tree
API Spec 6AV1 ground operations and underwater safety valves verification tests at sea
API Spec 6D pipeline valves (gate valves, plug valves, ball valves and check valves)
API Spec 6H tube end plugs, connecting pipe and joint activities
API Spec 7 rotating drill pipe component
API Spec 7B-11C specification with a reciprocating internal combustion engine for oil field
API Spec 7C-11F install an internal combustion engine, the recommended maintenance practices
API Spec 7F wells with a chain and sprocket
API Spec 7K drilling equipment
API Spec 8A Drilling and Production Hoisting
API Spec 8C Drilling and Production Hoisting (PSL1 and PSL2)
API Spec 9A steel rope
API Spec 10A well cement
API Spec 10D bow spring casing centralizers
API Spec 11AX rod pump and accessories
API Spec 11B sucker rod
API Spec 11E pumping unit
API Spec 11IW independent Wellhead Equipment
API Spec 11L6 beam pumping unit of electric prime mover
API Spec 11N mine automatic oil metering equipment
API Spec 11V1 gas lift valve, orifice, return valve and balancing valve
API Spec 12B bolted storage tanks
API Spec 12D oil field welding tanks
API Spec 12F factory welded tanks
API Spec 12GDU glycol natural gas dehydration unit
API Spec 12J oil and gas separator
API Spec 12K indirect oil heater
API Spec 12L vertical and horizontal off Milk
API Spec 12P glass fiber reinforced plastic tanks
API Spec 13A drilling fluid materials
API Spec 14A underwater valve device specification
API Spec 15HR High Pressure Fiberglass Line Pipe
API Spec 15LE polyethylene (PE) pipeline
API Spec 15LR Low pressure fiberglass pipeline
API Spec 16A drill through equipment
API Spec 16C traffic saving and well pressing specification
API Spec 16D well control equipment control system
API Spec 16R marine drilling riser joints
API Spec 17D subsea wellhead and oil gathering tree equipment
API Spec 17E subsea production control lines
API Spec 17J bonded flexible pipe
API Spec 17K unbonded flexible pipe