Inventor

FUJISAWA GO

JP25 patents

⚠️ This page may combine multiple inventors who share the name “FUJISAWA GO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

FUJISAWA GO

SCHLUMBERGER TECHNOLOGY CORP

System and methods of deriving fluid properties of downhole fluids and uncertainty thereof

Determining fluid properties from fluid analyzer

Methods and apparatus for the downhole characterization of formation fluids

Method and apparatus for in-situ side-wall core sample analysis

Method and apparatus for downhole spectral analysis of fluids

Methods and apparatus for determining chemical composition of reservoir fluids

Determining phase transition pressure of downhole retrograde condensate

Determining dew precipitation and onset pressure in oilfield retrograde condensate

Mid-infrared sensor

Active surface cleaning for a sensor

Mid-infrared sensor

Methods and apparatus for oil composition determination

Mid-infrared carbon dioxide sensor

Mid-infrared carbon dioxide sensor

Methods and apparatus to determine a concentration of nitrogen in a downhole fluid

Method for calculating the ratio of relative permeabilities of formation fluids and wettability of a formation downhole, and a formation testing tool to implement the same

Mid-infrared acid sensor

FUJISAWA GO

Methods and apparatus to estimate fluid component volumes

Methods and apparatus to use multiple sensors to measure downhole fluid properties

SCHLUMBERGER TECHNOLOGY COPORA

Assessing downhole WBM-contaminated connate water

LAWRENCE JIMMY

Detecting gas compounds for downhole fluid analysis

MADHAVAN RAGHU

Vibrating wire viscometers

IKEDA MAKI

Method for calculating the ratio of relative permeabilities of formation fluids and wettability of a formation downhole, and a formation testing tool to implement the same

DONG CHENGLI

Methods of calibrating a fluid analyzer for use in a wellbore

MATSUMOTO NORIYUKI

Vibrating wire viscometers