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vibrations during an earthquake when they approach the total confining pressure(passive) caused bypore pressure
change in shear stress in the rock(passive) caused bypore pressure
equal to zero(passive) were setPore water pressures
change in mean stress in the rock Δσy = change in the stress acting in a second direction orthogonal to both the wellbore and the first direction due to drilling(passive) caused bypore pressure
earthquakes at the Busuno landslide Fluctuations in pore - water pressures triggered by earthquakes at the Busuno landslide Fluctuations in pore - water pressures triggered by earthquakes at the Busuno landslide Japan Geoscience Union Meeting 2013(passive) triggered bypore - water pressures
fluid injection(passive) caused bypore pressure
different pore volume strains associated with mechanical loading of the porous medium.[5 ] Types of Poroelasticity[edit(passive) created bypore fluid pressure
in ... unstable seepage(passive) resulted ... bythe pore - pressure
an important phenomenon shake table test liquefaction is observedto triggerat pore pressure
the injection of fluids(passive) caused bypore pressure
fluid pressurization(passive) caused bythe pore pressure
fluid expansion(passive) caused bypore pressure
free seepage flowto preventpore pressure
formed around the wellborepreventingpore pressure increase
the invasion of drilling fluid into micro - fractured formations(passive) caused bypore pressure
production and injection programs(passive) caused bypore pressure
the vertical seepage of the underground water(passive) is significantly influenced byThe pore pressure
The first - order thingcreatespore pressure
fluid flow in the upper crust(passive) caused bypore pressure increase
either hydraulic pressure communication and/or chemical interaction between the drilling fluid and shale(passive) caused bypore pressure
dilation , much or even all of the sliding block(passive) caused bypore pressure
dynamic CO 2 injection and subsequent microannulus region(passive) caused bypore pressure
dynamic CO2 injection and subsequent microannulus region affects(passive) caused bypore pressure
These pressure gradients ... the viscous pore fluid ( water , gas , oil , etc .causespore pressure diffusion
the upward migration of both methane and water released from deeper gas hydrate dissociation at the base of the GHSZ , or direct from deeper hydrocarbon reservoirs below the BSR [ 11 , 13].(c)On the seafloor , erosion or nondeposition of the Holocene sediments at the top of mounds(passive) is created byThe pore pressure
fluid migration in the oil reservoir and by the water level oscil- lations of the Pertusillo artificial lake(passive) caused bypore pressure
undrained compression 4(passive) caused byPore air pressures
coolingmay causesubnormal pore pressures
up ... rotation of the stress tensor during construction and loading(passive) set ... bypore pressures
dilatancy of the grain structure(passive) caused bypore water pressures
from 1 to 15 psi(passive) can be setExcess pore pressure
the dominant mechanismcausingpore overpressure
under - compaction(passive) is caused byHigh pore pressure
a compacted asphalt samplecreatingpore pressure buildup
porosity rebound and temperature drop(passive) caused bypore pressure
seasonal stress(passive) caused bypore water pressures
the water pushing upwards(passive) caused bythe pore pressure
change in pore volumewill significantly influencethe pore pressure
only one - tenth of the total porosity reductionto influencepore pressure increase
The action of forcing water into a sample and allowing it to bleed out of a samplecreatespore pressure
from methane hydrate dissociation in marine sedimentsresultingfrom methane hydrate dissociation in marine sediments
Zhou , L. ; Yang , X. ; Guo , L. Experiment and Analysis of Submarine Landslide Model(passive) Caused byZhou , L. ; Yang , X. ; Guo , L. Experiment and Analysis of Submarine Landslide Model
liquefaction of the soils beneath the structureto preventliquefaction of the soils beneath the structure
slow earthquakes(passive) triggered byslow earthquakes
any damages(passive) caused byany damages
in the appearance of an anomalous subsurface fluid regime and generating crossflow between the different aquifers through the annular spaceresultingin the appearance of an anomalous subsurface fluid regime and generating crossflow between the different aquifers through the annular space
to the earthquake swarm activityleadingto the earthquake swarm activity
Free Full - Text | Experiment and Analysis of Submarine Landslide Model(passive) Caused byFree Full - Text | Experiment and Analysis of Submarine Landslide Model
in liquefaction or a substantial decrease in the effective stress with attendant large deformations of the seabed depositcan resultin liquefaction or a substantial decrease in the effective stress with attendant large deformations of the seabed deposit
to record strong ground motions , excess pore pressure generation and liquefaction that occurs during large earthquakesdesignedto record strong ground motions , excess pore pressure generation and liquefaction that occurs during large earthquakes
liquefaction and ( 2 ) grout ( either a cement slurry or chemical ) may be injected into the liquefiable sand to strengthen itcauseliquefaction and ( 2 ) grout ( either a cement slurry or chemical ) may be injected into the liquefiable sand to strengthen it
flow from the formation into the boreholeto preventflow from the formation into the borehole
from pumping or waste injectionresultfrom pumping or waste injection
The Mechanism of Sand Production(passive) Caused byThe Mechanism of Sand Production
orthotropic permeability and production 7.3.3 Remarks 7.4 Variation of stress orientation(passive) caused byorthotropic permeability and production 7.3.3 Remarks 7.4 Variation of stress orientation
to slope instability during a rainfall eventleadingto slope instability during a rainfall event
from transient fluid injection with the equivalent constant‐rate injection history based on an equivalent volume of fluidresultingfrom transient fluid injection with the equivalent constant‐rate injection history based on an equivalent volume of fluid
an increase in stress on the rock masscausingan increase in stress on the rock mass
in lower effective stress of the rockresultingin lower effective stress of the rock
to land sliding ... and leave behind reservoirs of plant - available moisture in rock fractures and the weathered rock matrixleadto land sliding ... and leave behind reservoirs of plant - available moisture in rock fractures and the weathered rock matrix
Most landslides ... Iverson , 2000 ) or by ground shaking caused by shallow earthquakes ( Keefer , 1984(passive) are triggered byMost landslides ... Iverson , 2000 ) or by ground shaking caused by shallow earthquakes ( Keefer , 1984
plot for water - gel injection treatmenttriggeringplot for water - gel injection treatment
plot for supercritical CO2 injection treatmenttriggeringplot for supercritical CO2 injection treatment
to reactivation of slip on pre - existing fractures and faultscan leadto reactivation of slip on pre - existing fractures and faults
seismicity within the area of increased seismicity rateto triggerseismicity within the area of increased seismicity rate
to micro - fractures ... eventually compromising the rock ’s surface structurecan leadto micro - fractures ... eventually compromising the rock ’s surface structure
a decrease in effective stress , hence a reduction in the resilient modulus.3,6can causea decrease in effective stress , hence a reduction in the resilient modulus.3,6
in disrupting the asphalt film from the aggregate surface , which causes the formation of cracksresultingin disrupting the asphalt film from the aggregate surface , which causes the formation of cracks
the decrease of the effective compressive stress and the shearing resistance of the fault material ( Rice , 2006causesthe decrease of the effective compressive stress and the shearing resistance of the fault material ( Rice , 2006
to the effective stress of the rock increasing ... resulting in the compression of the pore space and the decrease of pore space , which eventually leads to permeability decreasing [ 16can leadto the effective stress of the rock increasing ... resulting in the compression of the pore space and the decrease of pore space , which eventually leads to permeability decreasing [ 16
a substantial change in the crust Is the significant change in load stress and/or pore pressure , causing a substantial change in the crust If the crust is previously close to a fault failure due to natural processes , and only required a minor change in load or pore pressure If the crust is previously close to a fault failure due to natural processes , and only required a minor change in load or pore pressure Many state there is a difference between “ Triggered ” and “ Induced ” 3 “ … earthquakes occurring in the vicinity of artificial water reservoirs as a consequence of impoundingcausinga substantial change in the crust Is the significant change in load stress and/or pore pressure , causing a substantial change in the crust If the crust is previously close to a fault failure due to natural processes , and only required a minor change in load or pore pressure If the crust is previously close to a fault failure due to natural processes , and only required a minor change in load or pore pressure Many state there is a difference between “ Triggered ” and “ Induced ” 3 “ … earthquakes occurring in the vicinity of artificial water reservoirs as a consequence of impounding
a narrower pore liningcreatesa narrower pore lining
interlocking grainscausesinterlocking grains
from whole bone loadingresultingfrom whole bone loading
from Driving Piles in Soft ClayResultingfrom Driving Piles in Soft Clay
from disequilibrium compactionresultingfrom disequilibrium compaction
it from being transparentwould preventit from being transparent
in micro - pressuring [ or deformation and pushing of the oil droplets through the pore spacesresultingin micro - pressuring [ or deformation and pushing of the oil droplets through the pore spaces
to 2 , 6 and 10 MPawere setto 2 , 6 and 10 MPa
in cyclic softening in ne - grained materialsresultingin cyclic softening in ne - grained materials