Multi-Phase Region Analysis Method And Apparatus

Abstract

A method and apparatus for measuring a presence of a multi-phase system is disclosed. The method includes positioning a fluid communication device of a down hole tool in a well bore, drawing fluid from the well bore to an evaluation cavity and sampling the fluid to determine a presence of a multi-phase system.

What is claimed is: 
     
         1 . A method for measuring a presence of a multi-phase system, comprising:
 positioning a downhole tool with a fluid analysis assembly in a well bore;   extracting fluid from a surrounding geotechnical formation into the wellbore to an evaluation cavity of the fluid analysis assembly, wherein the drawing of the fluid is performed at formation environmental conditions; and   evaluating the fluid drawn from the surrounding geotechnical formation to determine a presence of a multi-phase system wherein the evaluating is performed to determine at least one of a liquid formed from a gas below a dew curve and a gas formed beneath a bubble curve.   
     
     
         2 . The method according to  claim 1 , wherein the evaluating of the fluid drawn from the surrounding geotechnical formation is conducted by at least one of acoustic and electromagnetic measurements during the sampling. 
     
     
         3 . The method according to  claim 1 , further comprising:
 determining a tool orientation of the fluid communication device prior to the evaluating of the fluid drawn from the surrounding geotechnical formation.   
     
     
         4 . The method according to  claim 1 , wherein the evaluating the fluid drawn from the surrounding geotechnical formation to determine a presence of a multi-phase system is performed by at least one of acoustic and electromagnetic wave sensors. 
     
     
         5 . The method according to  claim 1 , wherein the evaluating the fluid to determine the presence of a multi-phase system is accomplished at a specified temperature and pressure by an operator. 
     
     
         6 . The method according to  claim 1 , further comprising:
 providing results to an operator of the evaluation done on the fluid.   
     
     
         7 . The method according to  claim 1 , wherein the evaluating the fluid drawn from the surrounding geotechnical formation to determine a presence of a multi-phase system further includes subjecting the fluid to a decreasing pressure. 
     
     
         8 . The method according to  claim 1 , further comprising:
 transporting the fluid from a point of the extracting of the fluid to a second point for the evaluating of the fluid.   
     
     
         9 . The method according to  claim 8 , wherein the transporting of the fluid is accomplished through a pump actuated by an operator. 
     
     
         10 . A tool for sampling a subterranean formation, comprising:
 a housing;   a fluid communication device contained within the housing, the fluid communication device configured to be positioned on a wellbore opening;   a fluid analysis assembly connected to the fluid communication device, wherein the fluid analysis assembly comprises a chamber to accept and hold a fluid delivered from the fluid communication device;   a fluid movement device configured within the housing, the fluid moving device configured to apply a force to the fluid for transportation from the fluid communication device to the fluid analysis assembly; and   a tubular component connected to the chamber within the housing, the tubular component configured to determine at least one of a liquid formed from a gas below a dew curve and a gas formed beneath a bubble curve.   
     
     
         11 . The tool according to  claim 10 , wherein the tubular component has at least one of an acoustic and an electromagnetic sensor. 
     
     
         12 . The tool according to  claim 10 , wherein the tubular component comprises at least one liquid level sensor. 
     
     
         13 . The tool according to  claim 10 , wherein the tubular component comprises at least two sensors, wherein at least one sensor is positioned at an alternating end of the tubular component compared to a first end. 
     
     
         14 . The tool according to  claim 10 , wherein the fluid movement device is a pump. 
     
     
         15 . The tool according to  claim 10 , further comprising:
 at least one isolation valve to isolate the fluid analysis assembly from a remainder of the tool.   
     
     
         16 . The tool according to  claim 10 , further comprising:
 a communication device configured to interface with the fluid analysis assembly, wherein the communication device is configured to provide results from an analysis of the fluid to an operator.   
     
     
         17 . The tool according to  claim 16 , wherein the communication device is configured to provide results to the operator by at least one of wireline and wireless communication technology. 
     
     
         18 . The tool according to  claim 10 , further comprising:
 at least one sensor configured to measure at least one of a density and a viscosity of the fluid in the tubular component connected to the chamber.   
     
     
         19 . The tool according to  claim 10 , where the fluid analysis assembly connected to the fluid communication device comprises:
 a signal processor configured to receive signals from the tubular component and process the signals for evaluation, the signal processor further configured to receive operator instructions and control at least one valve in the tool.   
     
     
         20 . The tool according to  claim 10 , further comprising:
 at least one control valve in the a fluid analysis assembly, the at least one control valve configured to isolate the fluid analysis assembly such that fluid does not escape from the assembly.