Packer washout assembly
a technology for washing out and packing tools, which is applied in the direction of sealing/packing, fluid removal, borehole/well accessories, etc., can solve the problems of preventing the release of packing tools, time-consuming and expensive procedures, and the need for improved tools to be cost-effective and substantially maintenance-fr
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[0012] Referring now to FIG. 1, a packer washout assembly 10 constructed in accordance with the present invention for removing debris, such as sand, silt, shale, and rust, from the top of a packer 20 to permit the packer to be released is schematically illustrated. A well bore 12 is shown to be lined with a casing 14 extending down from a wellhead 15. The casing 14 provides a permanent borehole through which production operations may be conducted. The casing 14 is affixed in the well bore 12 in a conventional manner, such as by cement (not shown), and is provided with perforations 16 open to a producing subterranean formation 17.
[0013] The packer washout assembly 10 includes a tubing string 18, a packer 20, and a packerwashout sub 22. The tubing string 18 provides fluid communication between the producing subterranean formation 17 and a surface 24 such that a reservoir fluid (not shown), for example oil and / or natural gas, is produced through the tubing string 18. The casing 14 a...
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