Mandrel for a gas lift valve

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7213607
APP PUB NO 20050061369A1
SERIAL NO

10824574

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present invention relates to a mandrel for a gas lift valve which comprises an elongated body provided with means of connection at its ends. The body is provided with a side pocket (17) and a side receptacle (16) in the interior of which may be housed a gas lift valve (13) which injects gas into the interior of the body of the mandrel for the gas lift valve (15) by means of orifices (22) positioned in a nose (18). The mandrel for the gas lift valve (15) comprises additionally a lower body (23) provided on the lower part of the valve receptacle (16) of the mandrel of the side pocket (15) in that the lower body (23) is configured in a manner to seal the lower part of the valve receptacle (16) to form a chamber (24) and the lower body is provided with at least one injection orifice to inject gas into the interior of the body of the mandrel of the gas lift valve (15).

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First Claim

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Patent Owner(s)

Patent OwnerAddress
PETROLEO BRASILEIRO S A - PETROBRASAV REPÚBLICA DO CHILE N 65 CENTRO RIO DE JANEIRO 20031912

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
De, Almeida Alcino Resende Rio de Janeiro, BR 12 108

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