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Keywords: hydraulic fracturing
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Proceedings Papers

Paper presented at the ISRM International Symposium on In-Situ Rock Stress, May 10–12, 2016
Paper Number: ISRM-ISRS-2016-005
... Abstract For the research of the stress state of southeast Tibet Plateau, from 2013 to 2015, the Institute of Crustal Dynamics organized some of in-suit tests by hydraulic fracturing method in the mountains along the side of Yarlung Zangbo River. The tests plan has been executed at 7 positions...
Proceedings Papers

Paper presented at the ISRM International Symposium on In-Situ Rock Stress, May 10–12, 2016
Paper Number: ISRM-ISRS-2016-006
... & Gas normal stress small flat jack test Raasakka Rock stress hydraulic fracturing ln-51tu rock stress borehole stress field stress measurement rock mass US government variation Finland Johansson determination Magnitude international symposium fracture 7th International Symposium...
Proceedings Papers

Paper presented at the ISRM International Symposium on In-Situ Rock Stress, May 10–12, 2016
Paper Number: ISRM-ISRS-2016-002
... Abstract Because hydraulic fractures (HF) are always normal to the least m1mmum principal stress, mapping the geometry of hydraulic fractures helps map the trajectory of the minimum principal stress direction. In addition, measuring the pressure for which both faces of a hydraulic fracture...
Proceedings Papers

Paper presented at the ISRM International Symposium on In-Situ Rock Stress, May 10–12, 2016
Paper Number: ISRM-ISRS-2016-036
... the pressuremeter and hydraulic fracturing data sharing. The idea of the developed method is to use two different and independent data sets: the first one is obtained from standard deformation studies in well while the second one describes the behaviour of the same well with fracture formed in the direction...
Proceedings Papers

Paper presented at the ISRM International Symposium on In-Situ Rock Stress, May 10–12, 2016
Paper Number: ISRM-ISRS-2016-026
... Abstract Despite the extensive theoretical work on the subject of hydraulic fracturing for stress measurements, the amount of experimental work has thus far been limited, especially in the case of its validity in fractured rocks. Much work has been carried out about the induced fractures...
Proceedings Papers

Paper presented at the ISRM International Symposium on In-Situ Rock Stress, May 10–12, 2016
Paper Number: ISRM-ISRS-2016-038
... knowledge management hydraulic fracturing Fracture Zone Raasakka Tampere reservoir geomechanics displacement underground train station excavation Roundhouse Symposium international symposium Reservoir Characterization ground transportation Finland Johansson rock cover in-situ rock stress...
Proceedings Papers

Paper presented at the ISRM International Symposium on In-Situ Rock Stress, May 10–12, 2016
Paper Number: ISRM-ISRS-2016-053
... Abstract Hydraulic fracturing technique is a measurement method of in-situ rock stress. This technique has the highest track record for techniques used in sub 1000 mater. This technique is comparatively simple and easy for in-situ stress measurement, because a pre-existing drilled borehole...
Proceedings Papers

Paper presented at the ISRM International Symposium on In-Situ Rock Stress, May 10–12, 2016
Paper Number: ISRM-ISRS-2016-058
... complex reservoir hydraulic fracturing horizontal fracture stress interpretation excavation damage zone Rock mechanics niche fracture EDZ study area interpretation situ stress interpretation POSE niche Finland Johansson Tunnel Floor international symposium 7th International Symposium...
Proceedings Papers

Paper presented at the ISRM International Symposium on In-Situ Rock Stress, May 10–12, 2016
Paper Number: ISRM-ISRS-2016-034
... Abstract We have proposed a new concept in which the in-situ stress state is determined by integrating the hydraulic fracturing data and the deformation of core samples. The integration leads to improve practicality and compensate disadvantages compared with the case using each data solely...
Proceedings Papers

Paper presented at the ISRM International Symposium on In-Situ Rock Stress, May 10–12, 2016
Paper Number: ISRM-ISRS-2016-054
... Abstract The pressure data is acquired on the ground in the traditional hydraulic fracturing in-situ stress measurement method. The data from the pressure sensor is the water pressure of the pipeline on the ground. Because of the pipeline parameters, flow change and test depth, the pressure...
Proceedings Papers

Paper presented at the ISRM International Symposium on In-Situ Rock Stress, May 10–12, 2016
Paper Number: ISRM-ISRS-2016-020
... Abstract To study in-situ rock stress measurement under different fracture medium, the hydraulic fracturing experiments in lab were carried out using true three axis hydraulic pressure fracture simulating system. The granite specimens with their sizes of 400mmx400mmx400mm were used. In order...
Proceedings Papers

Paper presented at the ISRM International Symposium on In-Situ Rock Stress, August 25–27, 2010
Paper Number: ISRM-ISRS-2010-019
... ABSTRACT: This paper introduces one method to detect the fractures induced during the hydraulic fracturing in-situ stress measurement process. This method can detect the hydraulic fracture fairly well, and can define the strike of induced fractures exactly so as to determine the orientation...
Proceedings Papers

Paper presented at the ISRM International Symposium on In-Situ Rock Stress, August 25–27, 2010
Paper Number: ISRM-ISRS-2010-069
... ABSTRACT: During the large-scale hydraulic fracturing of thin interbedded sandstone reservoir (short for TISR), the fracture is propagated greatly along the fracture height direction, leading the length/height ratio of fracture usually smaller than 4. Because the interlayer is thin and weak...
Proceedings Papers

Paper presented at the ISRM International Symposium on In-Situ Rock Stress, August 25–27, 2010
Paper Number: ISRM-ISRS-2010-040
... the tectonic stress component except for the overburden gravitational stress component(Wills D G & Biot MA 1977,Walls J D 1991). reservoir geomechanics stress coefficient international journal Upstream Oil & Gas horizontal tectonic stress coefficient coefficient hydraulic fracturing...
Proceedings Papers

Paper presented at the ISRM International Symposium on In-Situ Rock Stress, August 25–27, 2010
Paper Number: ISRM-ISRS-2010-010
... ABSTRACT: Hydraulic Fracturing, Hydraulic Tests on Pre-existing Fractures, sleeve reopening tests and the analysis of en echelon fractures developed in wells inclined to the principal stress directions, have helped determine the vertical profile of the complete stress tensor in a sedimentary...
Proceedings Papers

Paper presented at the ISRM International Symposium on In-Situ Rock Stress, August 25–27, 2010
Paper Number: ISRM-ISRS-2010-016
... hydraulic fracturing good rock mass estimation water injection permeability packer minimum insitu stress headrace tunnel case study Rock Stress and Earthquakes Xie (ed.) © 2010 Taylor & Francis Group, London, ISBN 978-0-415-60165-8 Estimation of minimum insitu stress by hydrojacking method case...
Proceedings Papers

Paper presented at the ISRM International Symposium on In-Situ Rock Stress, August 25–27, 2010
Paper Number: ISRM-ISRS-2010-011
... at the site. Instead, we demonstrate borehole wall failure by shear. By employing the Coulomb criterion, a probable stress distribution with depth is derived. 1 INTRODUCTION The hydraulic fracturing methodology has had a vast application worldwide since it was first introduced in the 1960-ies (e.g...
Proceedings Papers

Paper presented at the ISRM International Symposium on In-Situ Rock Stress, August 25–27, 2010
Paper Number: ISRM-ISRS-2010-006
... ABSTRACT: For the effective measurement of the reopening pressure in hydraulic fracturing, it is necessary to use the testing equipment with sufficiently small compliance. If not, there is no way to estimate the maximum stress in a plane perpendicular to a borehole, i.e. the maximum horizontal...
Proceedings Papers

Paper presented at the ISRM International Symposium on In-Situ Rock Stress, August 25–27, 2010
Paper Number: ISRM-ISRS-2010-026
... ABSTRACT: Hydraulic fracture in borehole is used to determine the geo-stresses. The complexity of rock property and stress state makes the great difference between the real curve and the ideal curve of water pressure time. The water pressure to crack the boreholewall may be lower than...
Proceedings Papers

Paper presented at the ISRM International Symposium on In-Situ Rock Stress, August 25–27, 2010
Paper Number: ISRM-ISRS-2010-056
... ABSTRACT: To study the relation between stress and rockburst during tunnel excavation at a hydro-power station, in-situ stress measurements are carried out by hydraulic fracturing method. the maximum compression stress and minimum compression stress within the tunnel cross—section are obtained...

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