Gas separator and apparatus for measuring flow of one or more components of a multiphase medium, especially a natural gas-water mixture

A gas separator for separating a multiphase medium containing a gas and a liquid, including:

• a tubular basic unit having a longitudinal axis, an intake for a gas containing medium, a liquid outlet and a gas outlet, wherein the tubular basic unit has an intake region and a discharge region;
• and
• a weir positioned between the intake region and the discharge region, wherein the weir includes a guiding surface over which the gas containing medium can flow to form a shallow water region;
• wherein the gas contained in the gas containing medium can escape from the gas containing medium in the shallow water region and be led away from the gas separator through the gas outlet.

An apparatus for registering flow of at least one component of a multiphase medium containing at least one gas and a liquid, including:

• a tubular basic unit having a longitudinal axis, an intake for a gas containing medium, a liquid outlet and a gas outlet, wherein the tubular basic unit has an intake region and a discharge region;
• a weir positioned between the intake region and the discharge region, wherein the weir includes a guiding surface over which the gas containing medium can flow to form a shallow water region;
• wherein the gas contained in the gas containing medium can escape from the gas containing medium in the shallow water region and be led away from the gas separator through the gas outlet;
• and
• at least one flow measuring device configured for registering the flow of the gas and/or the liquid, wherein the at least one flow measuring device is arranged fluid mechanically in a direction of the gas flow or the liquid flow behind the tubular basic unit.