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[PDF] Top 20 A study of in-situ stress magnitudes in the North Sea basin from borehole measurements

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A study of in-situ stress magnitudes in the North Sea basin from borehole measurements

A study of in-situ stress magnitudes in the North Sea basin from borehole measurements

... frequent measurements were taken around the leak-off point enabling a curve to be defined rather than just two straight ...deviates from linearity before the maximum pressure in plots (a) to (d), the ... See full document

426

STRESS, BOREHOLE STABILITY, AND HYDROCARBON LEAKAGE IN THE NORTHERN NORTH SEA

STRESS, BOREHOLE STABILITY, AND HYDROCARBON LEAKAGE IN THE NORTHERN NORTH SEA

... oriented stress field ...northern North Sea can also be addressed once the stress tensor is ...constrained stress tensor predictions about wellbore stability are not possible, and ... See full document

135

Impact of in situ stress and fault reactivation on seal integrity in the East Irish Sea Basin, UK

Impact of in situ stress and fault reactivation on seal integrity in the East Irish Sea Basin, UK

... Southern North Sea, suggesting that under elevated pore pressures (resulting from simulated injection of carbon dioxide), the most likely mechanism for seal failure is the reactivation of ... See full document

27

The orientation of crustal stresses in the North Sea basin and their geological origin

The orientation of crustal stresses in the North Sea basin and their geological origin

... Contemporary stress directions deeper within the crust can be determined from the study o f earthquake focal ...the stress measurements compiled by the World Stress Map Project ... See full document

548

Predicted ripple dimensions in relation to the precision of in situ measurements in the southern North Sea

Predicted ripple dimensions in relation to the precision of in situ measurements in the southern North Sea

... changes from cur- rent to strong wave dominance or vice versa (Amos and Collins, ...shear stress induced by waves or currents and the sediment ...flume study that the adaptation time is a function of ... See full document

15

Prediction of benthic community structure from environmental variables in a soft-sediment tidal basin (North Sea)

Prediction of benthic community structure from environmental variables in a soft-sediment tidal basin (North Sea)

... Wadden Sea, the aim being to provide data for assessing the vulnerability of the German North Sea coast to oil spills (van Bernem et ...tidal basin, 14 benthos species were recorded at 391 ... See full document

17

HOAPS and ERA-Interim precipitation over the sea: validation against shipboard in situ measurements

HOAPS and ERA-Interim precipitation over the sea: validation against shipboard in situ measurements

... of measurements, indicate that ERA-Interim over- estimates the frequency of ...rates north of 40 ◦ N and south of 30 ◦ S (period from 2005 to 2008), ERA-Interim underestimates precipita- tion south ... See full document

15

Computation of a new mean dynamic topography for the Mediterranean Sea from model outputs, altimeter measurements and oceanographic in situ data

Computation of a new mean dynamic topography for the Mediterranean Sea from model outputs, altimeter measurements and oceanographic in situ data

... Mediterranean Sea, important limitations have been found pointing to the need of an ...Mediterranean Sea. It profits from improvements made possible by the use of extended data sets and refined ... See full document

14

Paleo-stress orientations and magnitudes from triaxial testing and stress inversion analysis in Nankai accretionary prism sediments

Paleo-stress orientations and magnitudes from triaxial testing and stress inversion analysis in Nankai accretionary prism sediments

... the stress regime changes with exhumation of the sediments implies that the vertical movement of the sediments must account for more than 2000 m if we assume a simple vertical uplift of the sedi- ments from ... See full document

11

Accurate Measurements of Pointing Performance from In Situ Observations

Accurate Measurements of Pointing Performance from In Situ Observations

... PRIOR RESEARCH Unobtrusive observations of user behavior have previously been used to characterize naturally occurring mouse pointer interactions [2]. The analysis of these data confirmed that naturally occurring ... See full document

11

Accurate Measurements of Pointing Performance from In Situ Observations

Accurate Measurements of Pointing Performance from In Situ Observations

... Given the collected data, we aimed to develop a classifier ca- pable of discriminating between mouse pointer trajectories corresponding to deliberate and distracted interactions. Note, however, that our data did not ... See full document

11

Comparison of remotely-sensed sea surface temperature and salinity products with in situ measurements from British Columbia, Canada

Comparison of remotely-sensed sea surface temperature and salinity products with in situ measurements from British Columbia, Canada

... SST measurements were in closer agreement to in situ measurements from farm sites than for wild surveillance ...site measurements were captured from shallower waters close to ... See full document

11

O.Jagoutz. We know from ~ borehole measurements that the Earth continuously emits ~ 44TW

O.Jagoutz. We know from ~ borehole measurements that the Earth continuously emits ~ 44TW

... The most important heat source is from radioactive elements, mostly K, U and Th. Radioactive decay accounts for ~50-90% of the heat produced by the Earth, although the exact amount is poorly known. We can try to ... See full document

5

On the effect of moisture on the detection of tropospheric turbulence from in situ measurements

On the effect of moisture on the detection of tropospheric turbulence from in situ measurements

... from the moist Brunt–V¨ais¨al¨a frequency defined by Lalas and Einaudi (1974) and demonstrated to be accurate by Dur- ran and Klemp (1982). An empirical method proposed by Zhang et al. (2010) was applied for ... See full document

6

Evaluation of numerical models by FerryBox and fixed platform in situ data in the southern North Sea

Evaluation of numerical models by FerryBox and fixed platform in situ data in the southern North Sea

... in situ and satellite observing systems, numerical simulation has long been acknowledged to be important for understanding the hydrodynamics of coastal ...the North Sea. All coun- tries around the ... See full document

18

Sub-basin-scale sea level budgets from satellite altimetry, Argo floats and satellite gravimetry: a case study in the North Atlantic Ocean

Sub-basin-scale sea level budgets from satellite altimetry, Argo floats and satellite gravimetry: a case study in the North Atlantic Ocean

... In the northwest of the Atlantic, the choice of gravity field filter either substantially influences the estimated trends (D and E), or they are just outside of 2 standard deviations (C) for one or more solutions. Using ... See full document

25

Continuous measurements of atmospheric oxygen and carbon dioxide on a North Sea gas platform

Continuous measurements of atmospheric oxygen and carbon dioxide on a North Sea gas platform

... The sample air is pumped through the system at a flow rate of around 40 ml/min using a diaphragm pump (KNF, N-86, of which the wetted materials are PTFE and alu- minium). A combo pressure regulator (VICI, PR50A30Z2) was ... See full document

13

Measurements to determine extinction coefficients and temperature gradients in the North Sea and English Channel

Measurements to determine extinction coefficients and temperature gradients in the North Sea and English Channel

... The particulars in Table II include extinction coefficients, which have been determined from measurements of the light transmission with depth and from Secchi disk readings, 1 and temper[r] ... See full document

24

In situ measurements of thickness changes and mechanical stress upon gasochromic switching of thin MoOx films

In situ measurements of thickness changes and mechanical stress upon gasochromic switching of thin MoOx films

... exposure from a state which is transparent in the visible and near infrared to an absorbing state in the infrared region, which leads to a decreased transmission of the solar energy ... See full document

6

An experiment in the transplantation of plaice from the Barents Sea ("White Sea") to the North Sea

An experiment in the transplantation of plaice from the Barents Sea ("White Sea") to the North Sea

... At the head of each of five columns is given the label number of the White Sea plaice with its original size, growth, and number of days at liberty, Below each comes It list of North Sea[r] ... See full document

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