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Atomization and Sprays

年間 12 号発行

ISSN 印刷: 1044-5110

ISSN オンライン: 1936-2684

The Impact Factor measures the average number of citations received in a particular year by papers published in the journal during the two preceding years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) IF: 1.2 To calculate the five year Impact Factor, citations are counted in 2017 to the previous five years and divided by the source items published in the previous five years. 2017 Journal Citation Reports (Clarivate Analytics, 2018) 5-Year IF: 1.8 The Immediacy Index is the average number of times an article is cited in the year it is published. The journal Immediacy Index indicates how quickly articles in a journal are cited. Immediacy Index: 0.3 The Eigenfactor score, developed by Jevin West and Carl Bergstrom at the University of Washington, is a rating of the total importance of a scientific journal. Journals are rated according to the number of incoming citations, with citations from highly ranked journals weighted to make a larger contribution to the eigenfactor than those from poorly ranked journals. Eigenfactor: 0.00095 The Journal Citation Indicator (JCI) is a single measurement of the field-normalized citation impact of journals in the Web of Science Core Collection across disciplines. The key words here are that the metric is normalized and cross-disciplinary. JCI: 0.28 SJR: 0.341 SNIP: 0.536 CiteScore™:: 1.9 H-Index: 57

Indexed in

ABRASIVE WATER JET PERFORATION EXPERIMENTS UNDER AMBIENT PRESSURES

巻 25, 発行 7, 2015, pp. 617-627
DOI: 10.1615/AtomizSpr.2015011050
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要約

Perforating with an abrasive water jet (AWJ) has some advantages over conventional perforation methods, such as larger hole diameters, no crushed zone, etc. Many investigations have been conducted on such jet perforations without ambient pressures. This paper presents the experimental results of perforation with AWJs under ambient pressures to simulate practical conditions. The authors designed a new container that is able to stand 20 MPa in order to lay the casing and natural limestone samples. In the experiments, we changed the nozzle pressure drop, nozzle diameter, standoff distance, blasting time, and ambient pressure, etc., to test their influences on the perforation depth and the time to penetration of the casing. The results show that two parameters, nozzle pressure drop and diameter, are the critical factors affecting the perforation depth. That is, the depth will increase with the pressure drop and diameter going up. But the standoff distance and ambient pressure have little effect on the depth within the range of this experiment. In addition, the casing can be penetrated normally in less than 1 min. Such results prove that abrasive water jet perforation can be used in deep wells. This research also can provide a practical reference when performing AWJ perforating operations, especially in the hydrajet multistage fracturing technology extensively applied in limestone reservoirs in recent years.

によって引用された
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