DOWNHOLE TOOL WITH FUEL SYSTEM
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United States of America Patent
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Issued Date -
Sep 29, 2022
app pub date -
Jun 19, 2020
filing date -
Jun 19, 2020
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Abstract
A tool (1) for manipulating a material, includes a body (4) defining a chamber (6). At least one source (8) of a pressurised fuel and oxidant mixture (9) or of a monopropellant is in communication with a chamber via an injector device. At least one mechanism (18) for igniting the fuel and oxidant mixture or for initiating decomposition of the monopropellant is provided. Upon ignition of the fuel and oxidant mixture or initiation of the decomposition of the monopropellant, a combustion jet (20) or a decomposition product jet is formed in the chamber which, in use, flows out through a nozzle outlet (28) towards, and into engagement with, a material to be manipulated. Methods of using the tool (1) and fuel and oxidant compositions suitable for use in the tool are also described.
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