Explosive safe-arming system for perforating guns
AssigneeSchlumberger Technology Corporation
InventorRaymond W. DerMott
Life of this patent
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Abstract
An explosive safe-arming system for use in a perforating gun for oil and gas well wireline operation is disclosed, wherein a donor detonating explosive is used which includes two encased elements. The first element is fixedly secured within the perforating gun, and the second element is removably mounted within the perforating gun.
Claims16
In a well bore perforator having an enclosed carrier with an access port therein and explosive means in said carrier, including at least one shaped explosive charge, a receptor detonating explosive cooperatively arranged and adapted for detonating said shaped explosive charge, and a donor detonating explosive adapted for detonating said receptor explosive, the improvement which comprises:
- an explosive safe-arming system wherein said donor detonating explosive includes two encased elements, the first element being fixedly secured within the carrier, and the second element being removably mounted within the carrier and adapted to be inserted into the carrier through the access port into an operative relationship with the first element and the receptor detonating explosive.
An explosive safe-arming system, for use with a well bore perforator having an enclosed carrier with an access port and a receptor detonating explosive, therein, comprising:
- a donor detonating explosive including two encased elements;
- the first element being fixedly secured within the carrier;
- and
- the second element being removably mounted within the carrier and adapted to be inserted into the carrier through the access port into an operative relationship with the first element and the receptor detonating explosive.
Dependencies are inferred from the claim text.