METHOD AND APPARATUS FOR PROTECTING EXPLOSIVES

A method and apparatus to protect explosive components used in various tools, such as tools for use in wellbores, includes a component with an adsorptive material. Example tools include perforating gun strings that include shaped charges, detonating cords, and booster explosives. Other tools may inc...

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Bibliographic Details
Main Authors FAYARD ALFREDO, VENERUSO ANTHONY F, YANG WENBO
Format Patent
LanguageEnglish
Published 27.03.2003
Edition7
Subjects
AMMUNITION
BLASTING
EARTH DRILLING
EARTH DRILLING, e.g. DEEP DRILLING
EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
FIXED CONSTRUCTIONS
HEATING
LIGHTING
MECHANICAL ENGINEERING
MINING
OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
WEAPONS
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Summary:A method and apparatus to protect explosive components used in various tools, such as tools for use in wellbores, includes a component with an adsorptive material. Example tools include perforating gun strings that include shaped charges, detonating cords, and booster explosives. Other tools may include surface tools containing explosive components. The adsorptive material is placed inside a container. A temperature-activated mechanism is used to open the container. The temperature-activated mechanism includes an element formed of a shape memory metal or plural layers with different coefficients of thermal expansion, such as a bi-metallic strip.
Bibliography:Application Number: US20010007726