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Apparatus for sampling and logging on all producing zones of a well
   
Document Number
US Patent 7373812
Issued Date
May 20, 2008
Link
Inventors
Ma; Yong (Xian City, Shanxi Peovince, 710065,CN)
Ma; Jianguo (Xian City, Shanxi Peovince, 710065,CN)
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Abstract
The present invention discloses a full reservoir sampling and testing apparatus having a ground surface testing and controlling tool (36) and a downhole tool (1), the downhole tool (1) comprises a wireline bridle (21), an adapter joint AH64 (2) connected to the wireline bridle (21), a GR pup joint, an electric unit (4), a single probe unit (5), a pumping unit (6), a dual packer unit (7), and a multi sampling unit (8); the ground surface testing and controlling tool (36) comprises a power supply controller, a computer system and a relevant control, analysis and interpretation software; an upper portion of the pumping unit (6) is connected to the single probe unit (5) and a lower portion thereof is connected to the multi sampling unit (8).
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Number of Claims:
9
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Owner
Published
May 20, 2008
Application Number
10/479,769
Filed
May 31, 2002
US Classification
73/152.23  
Int'l Classification
E21B   49/00   (20060101)  
Examiner
Attorney/Law Firm
Priority Data
Jun 07, 2001 [CN] 01 1 15287
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