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While todays PDC cutters resist 30 times more compared to what it was 10 years ago, SCT new sample pushed the borders further.
Achieving this goal is a tall order, but there will be more rooms for improving cutter performance by controlling manufacturing process parameters and adequate material selection.
The boding in between diamond poly-crystal structure is made using a metal catalyst, which is generally cobalt. Due to the different coefficients of expansion, it expands more than diamond when heated up during drilling and causes cracks to develop and leading to cutter failure. Meanwhile in presence of cobalt in polycrystalline diamond compact structure, diamond tends to change to graphite when heated up and causes widespread graphitization. Although making catalyst-free PDC is possible but...
PDC TABLE THICKNESS OPTIMIZATION
Among different parameters affecting PDC cutter longevity, diamond table thickness play an important roll. Thicker diamond table plus deeper leach concludes to higher drilling performance. Increased diamond volume and perceived improved toughness and wear resistance proved to be a benefit in certain applications
27th Iran International Oil, Gas, Refining and Petrochemical Exhibition
27th Iran International Oil, Gas, Refining and Petrochemical Exhibition dubbed “Iran Oil Show” was inaugurated in Tehran from 17-20 May 2023 Over 200 foreign companies from 13 countries including: China, Germany, Austria, Italy, France, Spain, India, Russia, United Arab Emirates (UAE), Oman and Turkey, and some 1,500 domestic companies showcase their latest achievements ...