String Book - Logan Oil Tools
String Book - Logan Oil Tools
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