Development of device for interval-by-interval hydraulic fracture

Клишин, В. И.; Opruk, GYu; Kokoulin, DI; Tatsienko, AL

doi:10.1088/1755-1315/262/1/012028

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Interaction Of the Seals Of The Packer And The Borehole Walls -Laboratory Tests1

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2020

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“…A further increase in pressure to 5.0 MPa did not lead to a displacement of the packer end face (Figure 1c). To improve the reliability the new device design has been proposed by eliminating tensile forces at the point of attachment of the elastic elements to the bushings of the sealants [20].…”

Section: Interaction Of the Seals Of The Packer And The Borehole Walls -Laboratory Testsmentioning

confidence: 99%

Study of the Interaction of a Packing Device with a Coal Seam at Interval Hydraulic Fracturing

2020

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The technological scheme of the interval hydrodynamic influence on the coal seam is considered. The design of a double-sided packer is presented, the results of laboratory tests to determine the axial movement of the seals during the interval fracturing are shown. The numerical scheme based on the Finite Element Method has been developed for calculating the stress-strain state of a rock in the vicinity of a well, loaded by internal pressure through packer seals. The pressure acting on the contacts between the seals and the well is calculated, the stress distribution in the geomaterial is investigated.

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Section: Interaction Of the Seals Of The Packer And The Borehole Walls -Laboratory Testsmentioning

confidence: 99%