Well intervention pressure control valve

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9470063
APP PUB NO 20160010428A1
SERIAL NO

14859954

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A system comprising a control valve comprising a flapper either activated or inactivated, when activated the flapper may be closed or open and, when inactivated the flapper is open, a first sleeve transitional from a first to a second position, and a second sleeve transitional from a first to a second position, when the first and second sleeves are in the first position, the flapper is activated, when the first sleeve is in the second and the second sleeve is in the first position, the flapper is inactivated, when the first and second sleeves are in the second position, the flapper is activated, the application of pressure to the first sleeve via a first member transitions the first sleeve from the first to the second position, and the application of pressure to the second sleeve via a second member transitions the second sleeve from the first to the second position.

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First Claim

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Patent Owner(s)

  • HALLIBURTON ENERGY SERVICES, INC.

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bivens, Eric Seacliff, AU 21 62
Hunter, Timothy Holiman Duncan, US 50 520
Stewart, Takao Chickasha, US 3 16

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