Sea Pioneers Technologies Co., Ltd.

Wuxi Sea Pioneers Technologies Co., Ltd

Sea Pioneer Technologies Co., Ltd.

Jige Chen

Bin Xu

Zhiyong Wu

Jingyang Li

Chao Luo

Zhengdong Cheng

Peng Guo

Hongdi Li

A device for total cross-section measurement of a mass flow rate of gas, liquid and solid in a multiphase flow includes a gamma-ray source, a gamma-ray detector, and a differential pressure type flowmeter. The differential pressure type flowmeter includes a throat section, and the gamma-ray source and the gamma-ray detector are respectively disposed at opposite positions on both sides of the throat section. The gamma-ray detector is an array including a plurality of detection units, and the gamma-ray source is configured to emit gamma rays covering the measurement cross-section of the throat section. The gamma-ray detector is configured to receive the gamma rays passing through the measurement cross-section of the throat section.

Device and method for total cross-section measurement of mass flow rate of gas, liquid and solid in multiphase flow

A device for measuring a mass flow rate of a multiphase flow based on ray coincidence measurement includes a support frame and a plurality of ray detection assemblies. The support frame includes a central through hole and an outer wall, and the central through hole is configured to receive a fluid pipe. The plurality of ray detection assemblies is distributed along the circumferential direction of the outer wall and is perpendicular to the axis of the central through hole. The plurality of ray detection assemblies each includes a scintillation crystal and a detector, and the scintillation crystal is disposed between the outer wall and the detector.

Device for measuring mass flow rate of multiphase flow based on ray coincidence measurement

This application discloses a wet gas flow rate metering method and device thereof. The Coriolis mass flowmeter measures a total mass flow rate Q, a mixed density ρ, and a medium temperature T; a combination of sensors measures a differential pressure ΔP between an inlet and an outlet; a flow rate calculation module performs multi-physical field coupling calculation to obtain an average gas density ρ; according to the mixed density ρ, the average gas density ρ, and a liquid density ρ, a mass liquid content ηof a mixed medium is calculated, and the total mass flow rate Qis corrected by the mass liquid content η, the medium temperature T and the average pressure P to obtain a corrected total mass flow rate Q′. According to the total mass flow rate Q′ and the mass liquid content η, a two-phase flow rate is calculated.

Wet gas flow rate metering method based on a coriolis mass flowmeter and device thereof

A self-excited wet gas flow measuring device, including a housing (), the housing () is provided with a wet gas inlet (), a dry gas outlet () and a liquid outlet (); the middle of the housing () is mounted with a mist catching filter screen to divide a hollow cavity inside the housing () into a dry gas region () and a wet gas region (); the wet gas inlet () and the liquid outlet () are both disposed in the wet gas region (), and the dry gas outlet () is disposed in the dry gas region (); a gas flowmeter () for metering the transmitted dry gas is provided at the dry gas outlet (), a control device () is provided within the wet gas region (), and a detection counting device () is provided at the liquid outlet ().

Self-excited wet gas flow measuring device

A device for measuring a total cross-sectional phase fraction of a multiphase flow includes a scintillation crystal and a detector. The scintillation crystal is coupled to the detector; and the scintillation crystal includes lutetium-176.

Device and method for measuring total cross-sectional phase fraction of multiphase flow based on ray coincidence measurement

A device for measuring flow rate of wet gas based on an exempt radioactive source, includes a section of cylindrical pipe and a conical throttle located inside the cylindrical pipe and coaxially arranged therewith. The conical throttle includes a head cone section and a tail cone section arranged to have a common bottom surface. The head cone section faces a wet gas inlet of the cylindrical pipe. An annular gap is defined between the inner wall of the cylindrical pipe and the maximum diameter of the conical throttle for passage of wet gas. An exempt radioactive source block is arranged at the maximum diameter of the conical throttle in such a way that the gamma rays emitted from the radioactive source block can transmit radially through the annular gap to reach the gamma ray detector located outside the cylindrical pipe.

Device for measuring flow rate of wet gas based on an exempt radioactive source

The invention is directed to apparatus for measuring mass flow-rates of the gas, oil and water phases in a wet gas, comprising the following parts: a differential pressure flow meter, having a throat section, and a gamma ray detector, comprising a gamma ray emitter and a gamma ray receiver that are arranged in such a manner that gamma rays emitted from the gamma ray emitter can pass through the throat section in diametrical direction to reach the gamma ray receiver; wherein a radioactive source in the gamma-ray emitter is a multi-energy radioactive source that can naturally emit at least three energy gamma rays, and a thermostatic device is not used in the gamma ray receiver. The invention further relates to a metering method for measuring mass flow-rates of the gas, oil and water phases in a wet gas, in which the above apparatus is used. As for the apparatus according to the invention, neither a thermostatic device nor the calibration for the empty tube value is in need, and thus it is very suitable for the uses under water or down-hole.

Apparatus and method for measuring mass flow-rates of gas, oil and water phases in wet gas

A method for measuring respective flowrates of gas phase and liquid phase in a multiphase fluid using a critical flow nozzle flowmeter. The critical flow nozzle flowmeter includes a throttling nozzle having an inlet, an outlet and a throat, and the throat has a smallest flow area for flowing fluid; a gamma ray detector, including a gamma ray emitter and a gamma ray receiver, arranged in a way allowing the gamma ray emitted by the gamma ray emitter to pass through a cross-section at the inlet of the throttling nozzle in a diametrical direction to reach the gamma ray receiver; pressure sensors respectively configured for measuring the pressure Pat the inlet of the throttling zone and the pressure Pat the outlet of the throttling nozzle; and a temperature sensor configured for measuring the temperature Tat the inlet of the throttling nozzle.

Growing community of inventors

Wuxi, China

Jige Chen