hydrocarbon/fatigue

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Surface-driven pumping system and method for recovering a fluid from a subsurface hydrocarbon deposit

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FIELD OF THE INVENTION The present invention relates to the field of subsurface fluid recovery and, in particular, to surface-driven pump systems for oil production from subsurface hydrocarbon deposits. BACKGROUND OF THE INVENTION Producing subsurface hydrocarbon deposits requires that a system be

Method and relative system for the identification of malfunctionings of the drill bit during the drilling of hydrocarbon wells

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BACKGROUND OF THE INVENTION The present invention relates to a method and relative system for the early identification of malfunctionings of the drill bit due to wear of the same during the drilling of hydrocarbon wells. The state of the art whereto the present invention relates is that of

Methods, systems and apparatus for circulating fluid within the annulus of a flexible pipe riser

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FIELD The disclosure relates to methods and systems for operating a subsea riser in an offshore hydrocarbon production facility, the riser being formed of flexible pipe having a central bore and an annulus containing multiple functional layers. More particularly, the disclosure relates to methods

Method and apparatus for filling an annulus between casing and rock in an oil or gas well

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STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT None. FIELD OF THE INVENTION This invention relates to the filling of an annular space between the steel outer casing of a hydrocarbon well and the surrounding rock during the construction phase, during the productive life or when the

Field replaceable multifunctional cartridge for waste conversion into fuel

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CROSS-REFERENCE TO RELATED APPLICATIONS The present application is a U.S. national phase entry of International Patent Application No. PCT/IN2012/000140, now WO 2012/156984, filed on Feb. 29, 2012, which claims foreign priority on Indian Patent Application No. IN 1493/MUM2011 filed on May 16, 2011,

Modified and stabilized synthetic cis-1,4 polyisoprene and method for producing same

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The present invention is related to modified and stabilized synthetic cis-1,4polyisoprene and a process of producing same. This type of rubber is applicable to the tyre production of tires, as well as the production of rubber footwear and other articles, cable insulation, etc. At present, the

Liquid delivery nozzle

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TECHNICAL FIELD This invention relates generally to fluid control, and more particularly it relates to transfer and delivery of liquid substances from one location to another. BACKGROUND OF THE INVENTION The statements in this background section merely provide background information related to the

Dithiocarbamyl .beta.-hydroxy fatty acid esters as additives for lubricants and fuels

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BACKGROUND OF THE INVENTION 1. Field of the Invention This invention is related to fuels, especially hydrocarbon fuels, and lubricants, especially lubricating oils, and, more particularly, to a class of anti-wear, anti-fatigue, and extreme pressure additives that are derived from dithiocarbamyl

Silicone rubber composition for making key pad and key pad

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CROSS-REFERENCE TO RELATED APPLICATION This non-provisional application claims priority under 35 U.S.C. .sctn. 119(a) on Patent Application No. 2016-112644 filed in Japan on Jun. 6, 2016, the entire contents of which are hereby incorporated by reference. TECHNICAL FIELD The present invention relates

Method for preparing a modified ethylene-vinyl alcohol copolymer

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TECHNICAL FIELD The present invention relates to a modified ethylene-vinyl alcohol copolymer, more particularly relates to a gas barrier resin comprising the modified ethylene-vinyl alcohol copolymer and a molded article prepared from the same, particularly a pneumatic tire and a hose. BACKGROUND

Lubricating oil composition for automatic transmission

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TECHNICAL FIELD The present invention relates to a lubricating oil composition for automatic transmission. In more detail, the present invention relates to a lubricating oil composition for automatic transmission which has a high transmission torque capacity and satisfactory gear change shock

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