Ball sealer for hydrocarbon resource recovery, method for manufacturing same, and method for treating borehole using same
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United States of America Patent
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Mar 13, 2018
Issued Date -
N/A
app pub date -
Dec 15, 2014
filing date -
Dec 26, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A ball sealer for hydrocarbon resource recovery, characterized by being obtained by coating a spherical core that comprises at least one layer comprising a disintegrable aliphatic polyester resin with a resin material that has higher impact resistance than the aliphatic polyester resin and by having a diameter of not less than approximately 25 mm (1 inch). This ball sealer has a large diameter, retains the property of being disintegrable after fracturing, and has impact resistance which makes the ball withstand high-velocity loading. The sealer is suitable for use in hydraulic fracturing, which is commonly used for recovering hydrocarbon resources including petroleum and gases.
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International Classification(s)
- C09K:MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED ....
- C08J:WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTE....
- B29C:SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTAN....
- B29B:PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE ....
- B29K:INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, ....
- B29L:INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RE....
- E21B:EARTH OR ROCK DRILLING
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