Vanguard Geothermal Tricone Bit Reduced Well Development Cost

New rubber improves bit life in extreme temperatures

Drilling equipment is subject to high thermal demands when used in geologically active areas. The lithology of these areas often consists of hard rock requiring rollercone drill bits. However, the conventional rubber seals of these bits are only rated up to 320ºF resulting in sealing failure when subjected to the higher temperatures encountered in high-temperature/ high-pressure (HP/HT) environments.

To solve this problem, Baker Hughes developed a new rubber compound for roller-cone drill bits. The mechanical properties and compression set measurements indicated that fluorine containing rubber compounds fared well and suggested that these compounds can greatly extend the temperature operating range of roller cone drill bits.

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