Experimental Investigation and Analysis of Dynamic Buckling of Drill String in Horizontal Well

<table class="table-group" id="tab6"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td class="align_left">Spiral buckling load/(kgf)</td><td class="align_center">Sinusoidal buckling load/(kgf)</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td class="align_left"><span style="width: 86.3978ptpx;"><svg height="15.184pt" id="M197" style="vertical-align:-3.6024pt" version="1.1" viewbox="-0.0498162 -11.5816 86.3978 15.184" width="86.3978pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.013,0,0,-0.013,0,0)"><path d="M584 650H137L131 622C214 614 217 612 200 521L125 127C109 41 101 35 23 28L17 0H288L294 28C201 35 193 42 209 128L242 309H348C440 309 442 300 443 226H471L510 422H482C452 354 449 348 357 348H251L295 575C302 609 304 615 338 615H426C502 615 517 604 526 581C534 560 536 524 537 492L565 494C574 554 583 631 584 650Z" id="g113-71"></path></g><g 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class="tbody-hr"/></td></tr></table></td></tr></table>

Theoretical results of the critical loads.

Shock and Vibration

tab6

Table 6

Table 6: Experimental Investigation and Analysis of Dynamic Buckling of Drill String in Horizontal Well 