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US 6,412,415 B1Granted
Shock and vibration protection for tools containing explosive components
AssigneeSchlumberger Technology Corporation
InventorsManish Kothari, Larry J. Bernard
Life of this patent
Estimating the term…
Abstract
A method and apparatus for use in a wellbore includes explosive components, a housing containing the explosive components, and at least one protection barrier mounted on the housing to reduce transmissibility of an external force load to the housing. The explosive components array include shaped charges and detonating cords for use in perforating guns.
Claims23
An apparatus for use in a wellbore, comprising:
- an explosive device;
- a housing for the explosive device;
- at least one protection barrier mounted on the housing;
- and
- a carrier including a chamber to contain the housing,
- the at least one protection barrier between the housing and the carrier,
- the at least one protection barrier adapted to reduce transmissibility of an external force load from the carrier to the housing,
- wherein the wellbore is lined by casing, the carrier being distinct from the casing.
5 more elements
An apparatus for use in a wellbore, comprising:
- an explosive device;
- a housing for the explosive device;
- at least one protection barrier mounted on the housing;
- a carrier including a chamber to contain the housing,
- the at least one protection barrier between the housing and the carrier,
- the at least one protection barrier adapted to reduce transmissibility of an external force load from the carrier to the housing;
- and
- at least one other protection barrier mounted between the housing and the carrier.
5 more elements
An apparatus for use in a wellbore, comprising:
- an explosive device;
- a housing in which the explosive device is positioned;
- and
- a plurality of protection bands mounted at predetermined intervals along the housing,
- a carrier providing a chamber.
- each of the protection bands comprising an elastomeric material,
- with the housing placed in the chamber and the protection bands between the carrier and the housing.
4 more elements
Dependencies are inferred from the claim text.