Shale experiment and numerical investigation of casing deformation during volume fracturing
Sign Up to like & getrecommendations! Published in 2018 at "Arabian Journal of Geosciences"
DOI: 10.1007/s12517-018-4091-4
Abstract: The casing deformation issues have occurred widely in Changning-Weiyuan National Shale Gas Demonstration Area. During multi-stage volume fracturing process, a large amount of fracturing fluid is injected into the formation, leading to tremendous change of… read more here.
Keywords: casing deformation; formation; deformation; stress ... See more keywords
Laboratory study on casing deformation during multistage horizontal well fracturing in shale gas development and strain based casing design
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Natural Gas Science and Engineering"
DOI: 10.1016/j.jngse.2021.103893
Abstract: Abstract Shale gas development in the Sichuan-Chongqing region in China has experienced a high level of casing deformation or failure during hydraulic fracturing treatment, which has resulted in significant productivity decline and economic losses. This… read more here.
Keywords: shale gas; casing deformation; gas development; deformation ... See more keywords
Mechanism of casing deformation in the Changning–Weiyuan national shale gas demonstration area and countermeasures
Sign Up to like & getrecommendations! Published in 2017 at "Natural Gas Industry B"
DOI: 10.1016/j.ngib.2017.07.001
Abstract: Abstract Casing deformation occurs during the development of Changning–Weiyuan national shale gas demonstration Area in the Sichuan Basin. In view of this, the correlation between the casing deformation and the geological characteristics as well as… read more here.
Keywords: casing deformation; deformation; shale gas; fracture ... See more keywords
A calculation method for the allowable fracturing injection pressure of preventing casing deformation
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DOI: 10.1016/j.ngib.2019.01.014
Abstract: Abstract Injection pressure is one of the key parameters used in the design of shale gas reservoir stimulation. Higher injection pressure helps to initiate fractures, inject fracturing fluid and proppant smoothly and maximize the stimulated… read more here.
Keywords: casing deformation; injection; calculation; injection pressure ... See more keywords
Numerical simulation of casing deformation during volume fracturing of horizontal shale gas wells
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Petroleum Science and Engineering"
DOI: 10.1016/j.petrol.2018.08.067
Abstract: Abstract Casing deformation problems occur frequently during volume fracturing of shale gas wells. It is crucial to assess the casing deformation near heel (the beginning of the horizontal wellbore trajectory) where natural faults exist among… read more here.
Keywords: shale gas; casing deformation; deformation; cement sheath ... See more keywords
Mechanisms of Casing Deformation during Hydraulic Fracturing in the Horizontal Wells of the Weirong Shale Field
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DOI: 10.1021/acsomega.2c00044
Abstract: Casing deformation is frequent during hydraulic fracturing in the Weirong shale gas field, which impedes shale gas production. We investigated the effect of shale elastic modulus on casing deformation based on shale swelling in this… read more here.
Keywords: deformation; shale swelling; elastic modulus; field ... See more keywords