Radiant energy – Geological testing or irradiation – With sampling
Patent
1996-11-04
1998-03-17
Wong, Don
Radiant energy
Geological testing or irradiation
With sampling
250256, 2503417, 25033911, G01V 900, G01N 2117
Patent
active
057290130
ABSTRACT:
A production logging device, insertable into a cased or uncased wellbore for determining concentration of specified components in flowing production fluid, is provided having a tool body sized smaller in diameter than the wellbore so that flowing fluid production is not blocked. A line is connected to the tool body by which movement of the tool body within the wellbore casing can be selectably controlled from a remote location, and by which information signals can be communication from the tool body to the remote location. An infrared radiation source operatively connected to the tool body. A plurality of infrared transmission sites are circumferentially spaced around the tool body directed so that infrared radiation from the infrared radiation source is transmitted through flowing production fluid in the wellbore. A plurality of infrared receptors are circumferentially spaced around the tool body and are positioned so that infrared radiation transmitted through flowing production fluid is received at the plurality of receptors. An infrared analyzer is carried by the tool body, operatively connected to infrared receptors, so that the spectrum of infrared radiation transmitted through production fluid can be determined.
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patent: 5530243 (1996-06-01), Mathis
Literature from Schlumberger re: Digital Entry and Fluid Imaging Tool (DEFT), pp. 1-8 and 12 and Presentation Slides 1-8, May 1996.
Dresser Atlas, Interpretive Methods for Production Well Logs, Third Edition, Dresser Industries, Inc., 1982, no month, Section 2, The Continuous Spinner Flowmeter: A Velocity Measuring Instrument; Section 3, The Basket Flowmeter; Section 7, Wellbore Pressure Gradients in Gas--Liquid Flow; Section 8, The Fluid Density Instrument; and Section 9, The Fluid Capacitance Instrument.
Atlantic Richfield Company
Scott F. Lindsey
Wong Don
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