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A collection of featured documents from our library that are popular among our users or otherwise noteworthy.

API Std 650 14th edition

Welded Tanks for Oil Storage

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API Std 608 7th edition

Metal Ball Valves—Flanged, Threaded, and Welding Ends

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API RP 552 2nd edition

Transmission Systems

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API Spec 5L 47th Edition

Line Pipe

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API Std 653 5th edition

Tank Inspection, Repair, Alteration, and Reconstruction

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API RP 500 4th edition

Classification of Locations for Electrical Installations at Petroleum Facilities Classified as Class I, Division 1, and Division 2 4th 2023 C50004 $302.00 108 Rp 505 Recommended Practice for Classification of Locations for Electrical Installations at Petroleum Facilities Classified as Class I, Zone 0, Zone 1, and Zone 2

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API Std 1104 22nd edition

Welding of Pipelines and Related Facilities, Includes Errata 1 (2023) and Addendum 1 (2026)

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API RP 5C1 18th edition

Recommended Practice for Care and Use of Casing and Tubing

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API Spec 6A 21st edition

Specification for Wellhead and Tree Equipment

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API Std 53 (R2023) 5th edition

Well Control Equipment Systems for Drilling Wells

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All Documents

API Spec 11D1 4th edition
Packers and Bridge Plugs
API Spec 11D1 4th edition

Packers and Bridge Plugs

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API Spec 11E 20th edition
Pumping Units
API Spec 11E 20th edition

Pumping Units

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API RP 11ER 4th edition
Guarding of Pumping Units
API RP 11ER 4th edition

Guarding of Pumping Units

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API RP 11G 5th edition
Recommended Practice for Installation, Maintenance and Lubrication of Pumping Units
API RP 11G 5th edition

Recommended Practice for Installation, Maintenance and Lubrication of Pumping Units

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API TR 11L 5th edition
Design Calculations for Sucker Rod Pumping Systems (Conventional Units)
API TR 11L 5th edition

Design Calculations for Sucker Rod Pumping Systems (Conventional Units)

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API Bull 11L2 1st edition
Bulletin on Catalog of Analog Computer Dynamometer Cards
API Bull 11L2 1st edition

Bulletin on Catalog of Analog Computer Dynamometer Cards

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API Bull 11L3 1st edition
Sucker Rod Pumping System Design Book
API Bull 11L3 1st edition

Sucker Rod Pumping System Design Book

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API TR 11L6 2nd edition
Technical Report on Electric Motor Prime Mover for Beam Pumping Unit Service
API TR 11L6 2nd edition

Technical Report on Electric Motor Prime Mover for Beam Pumping Unit Service

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API Spec 11PL 1st edition
Plunger Lift Lubricators and Related Equipment
API Spec 11PL 1st edition

Plunger Lift Lubricators and Related Equipment

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API RP 11S9 1st edition
Permanent Magnet Motor Safety
API RP 11S9 1st edition

Permanent Magnet Motor Safety

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API Spec 12B 17th edition
Specification for Bolted Tanks for Storage of Production Liquids
API Spec 12B 17th edition

Specification for Bolted Tanks for Storage of Production Liquids

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API Spec 12D 13th edition PDF Preview
API Spec 12D 13th edition

Specification for Field-Welded Tanks for Storage of Production Liquids

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API Spec 12J 8th edition
Specification for Oil and Gas Separators
API Spec 12J 8th edition

Specification for Oil and Gas Separators

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API RP 12N 2nd edition
Recommended Practice for the Operation, Maintenance and Testing of Firebox Flame Arrestors
API RP 12N 2nd edition

Recommended Practice for the Operation, Maintenance and Testing of Firebox Flame Arrestors

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API Std 12R1 7th edition PDF Preview
API Std 12R1 7th edition

Installation, Operation, Maintenance, Inspection, and Repair of Tanks in Production Service

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API RP 13C 6th edition
Drilling Fluid Processing Systems Evaluation
API RP 13C 6th edition

Drilling Fluid Processing Systems Evaluation

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API RP 13D 8th Edition PDF Preview
API RP 13D 8th Edition

Rheology and Hydraulics of Oil-Well Drilling Fluids

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API RP 13K 4th edition
Chemical Analysis of Barite
API RP 13K 4th edition

Chemical Analysis of Barite

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API RP 13L 2nd edition
Training and Qualification of Drilling Fluid Technologists
API RP 13L 2nd edition

Training and Qualification of Drilling Fluid Technologists

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API TR 13M-5 1st edition
Procedure for Testing and Evaluating the Performance of Friction (Drag) Reducers in Aqueous- Based Fluid Flowing in Straight, Smooth Circular Conduits
API TR 13M-5 1st edition

Procedure for Testing and Evaluating the Performance of Friction (Drag) Reducers in Aqueous- Based Fluid Flowing in Straight, Smooth Circular Conduits

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API TR 13TR1 1st edition
Stress Corrosion Cracking of Corrosion Resistant Alloys in Halide Brines Exposed to Acidic Production Gas
API TR 13TR1 1st edition

Stress Corrosion Cracking of Corrosion Resistant Alloys in Halide Brines Exposed to Acidic Production Gas

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API TR 13TR3 1st edition
Size Measurement of Dry, Granular Drilling Fluid Particulates
API TR 13TR3 1st edition

Size Measurement of Dry, Granular Drilling Fluid Particulates

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API DR 145
Identification of Oils that Produce Non-Buoyant In-Situ Burning Residues and Methods for Their Recovery
API DR 145

Identification of Oils that Produce Non-Buoyant In-Situ Burning Residues and Methods for Their Recovery

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API DR 148
Identification of Organic Toxicants in Treated Refinery Effluents
API DR 148

Identification of Organic Toxicants in Treated Refinery Effluents

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API Spec 14A 12th edition
Specification for Subsurface Safety Valve Equipment
API Spec 14A 12th edition

Specification for Subsurface Safety Valve Equipment

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