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Apparatus and method for retrieving an object from a well bore, and method for making a tool for retrieving objects from a well bore
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Downhole mill and method for milling
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Well treatment method and apparatus
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Well tubing and tubing collar thereof
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Method and apparatus for retrieving wire line from a well bore
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Methods and apparatus for removing debris from a well bore
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Indicating device
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Indicating device
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Fluid flow control system for operating a down-hole tool
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Fishing tool for retrieving implements from a hole
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