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String Book - Logan Oil Tools

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contentS<br />

CASIng DAtA – BIt SIzES AnD CLEARAnCES<br />

API Casing......................................................................................................................................93–94<br />

National Seamless Internal Upset Casing – Short Coupling with Light Upset......................................95<br />

National Seamless Internal Upset Casing – Short Coupling with Heavy Upset ...................................96<br />

Pittsburgh Special Acme Thread Casing – Internal Upset ....................................................................97<br />

Youngstown Speed Tite Casing with Hydril Two-Step Thread ..............................................................98<br />

Spang-Chalfant Extreme Line Casing .................................................................................................99<br />

J&L Integral Joint Seamless Casing – Light and Heavy Upset ..........................................................100<br />

Kelly Cross-Section Dimensions .......................................................................................................101<br />

Kelly Weights – Pounds per Foot .......................................................................................................102<br />

MISCELLAnEouS<br />

Buoyancy Factor for Steel Pipe ..........................................................................................................103<br />

Ring Joint – Flange Data ....................................................................................................................104<br />

Flange Dimensions – Studs, Nuts, and Ring Gaskets................................................................105–106<br />

Brinell Hardness Table ........................................................................................................................107<br />

Hardness Testing Conversion Table ...................................................................................................108<br />

Equivalency Chart – Fractions/Decimal/Metric ...................................................................................109<br />

Line Pull x Tong Lever Chart — Torque in Foot Pounds .....................................................................110<br />

Torque Output with Manual Tongs ......................................................................................................111<br />

Proper Placement of Torque Indicators ......................................................................................112–115<br />

Measuring Wear on Elevators, Tool Joints, Link Arms, and Link Ears ....................................... 116–118

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