An experimental investigation to study the effect of pulsed-power discharge on rock fracturing for well stimulation

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An experimental investigation to study the effect of pulsed-power discharge on rock fracturing for well stimulation

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dc.creator Lati, Shrutesh
dc.date.available 2012-10-01T19:46:51Z
dc.date.issued 2010-08
dc.identifier.uri http://hdl.handle.net/2346/46018
dc.description.abstract The demand for domestic energy is being met recently with natural gas and oil from several shale basins of United States. This new source of energy has been commercialized by applying hydraulic fracturing (HF) method in horizontal wells. The HF methods is very expensive: each HF job requires a huge quantity of water and special grades of sand and ceramic particles called proppant that constitute over two-thirds of three to five million dollar. In addition to that, HF has been identified as a major concern for environmental risks, involving ground and surface water pollution, methane leakage and air/noise pollution created by pumping and truck fleets. Hence the need has come for a more efficient, affordable and a cleaner and green technology that can be used for well stimulation. In this thesis an investigation is done to study the use of extremely high wellbore pressure loading rate for creating complex fracture network around the wellbore. A series of laboratory experiments have been conducted to determine a suitable loading mechanism under controlled laboratory conditions. The first part of the study is design and characterization of the loading mechanism (IP information) to be employed in concentric bore in cement blocks. The second part consists of fracturing different cement block sizes to study the effect of single and multiple pressure loading. Analysis of the fractures shows that multiple pressure loading increases fracture population and width. en_US
dc.format.mimetype application/pdf
dc.language.iso eng
dc.subject Fracturing en_US
dc.title An experimental investigation to study the effect of pulsed-power discharge on rock fracturing for well stimulation en_US
dc.type Thesis en_US
dc.contributor.committeeMember Menouar, Habib
dc.contributor.committeeMember Heinze, Lloyd
dc.contributor.committeeChair Awal, Rafiqul
dc.degree.department Petroleum Engineering
dc.degree.discipline Petroleum Engineering
dc.degree.grantor Texas Tech University
dc.degree.name Master of Science
dc.rights.availability Restricted from online display. For access, please contact the author.

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