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2011
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Invention
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Downhole magnet tool and method of assembly. A downhole magnet tool comprises a top sub having an... |
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Invention
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Downhole magnet tool and method of assembly. A downhole magnet tool is disclosed comprising: a to... |
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2010
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Invention
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Jar with improved valve. A jar comprises an outer housing; an inner mandrel within the outer hous... |
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Invention
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Jar with improved valve. A jar is disclosed for downhole use, comprising: an outer housing; an in... |
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Invention
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Downhole apparatus. A double-acting compounder comprises: an outer housing; an inner mandrel disp... |
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2009
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Invention
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Double-acting jar. A double-acting jar is disclosed comprising: an outer housing; an inner mandre... |
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2008
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Invention
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Double-acting jar compounder. A double-acting compounder is disclosed having a first end and a se... |
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Invention
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Double-acting jar. A double-acting jar comprises an inner mandrel and an outer housing. The inner... |
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Invention
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Double-acting compounder. A double-acting compounder is disclosed having a first end and a second... |
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Invention
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Downhole tool. An extension sub for a downhole fishing tool, the extension sub comprising a tubul... |
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2005
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Invention
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Downhole fishing extension sub with cutting elements therein. An extension sub for a downhole fis... |
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1996
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Invention
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Jar enhancer. A jar enhancer including a housing in which is telescopically mounted a mandrel, wi... |
