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Keywords: borehole
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Proceedings Papers

Paper presented at the SPE Canadian Unconventional Resources Conference, October 30–November 1, 2012
Paper Number: SPE-162251-MS
... case, thus no signal will be directly reflected back to the sensor and the recoded data will be invalid in that case. Figure 4 Apertures is the angle between the sensor location and the reflection point The intersection of an ideal borehole is usually a circle which might be approximated...
Proceedings Papers

Paper presented at the Canadian Unconventional Resources Conference, November 15–17, 2011
Paper Number: SPE-146654-MS
... Borehole imaging tools initially appeared on wireline evolving from early dipmeter devices into high-resolution pad type micro-resistivity tools with arrangements of multiple pads and buttons. LWD imaging on the other hand began as a means of providing the best available bulk density curve by way...
Proceedings Papers

Paper presented at the Canadian Unconventional Resources Conference, November 15–17, 2011
Paper Number: SPE-147597-MS
... The magnitude and orientation of the stress concentration around a borehole in isotropic, homogeneous media has long been projected using the Kirsch equations ( Eqs. 2 - 5 ) ( Kirsch 1898 ). These equations provide values for the circumferential stresses (axial, tangential and radial) for a...
Proceedings Papers

Paper presented at the Canadian Unconventional Resources Conference, November 15–17, 2011
Paper Number: SPE-148411-MS
... well logging artificial intelligence frequency strength reservoir characterization acoustic processing modeling natural fracture huron shale upper devonian huron shale borehole slowness azimuthal anisotropy shale b-sand interval anisotropy log analysis upstream oil & gas...
Proceedings Papers

Paper presented at the Canadian Unconventional Resources and International Petroleum Conference, October 19–21, 2010
Paper Number: SPE-137864-MS
... & gas conventional steerable assembly borehole reamer run lateral society of petroleum engineers operator wellbore drilling operation assembly diversion bakken formation In April 2008, the USGS assigned 3.65 billion barrels of technically recoverable reserves to the Bakken formation...
Proceedings Papers

Paper presented at the Canadian Unconventional Resources and International Petroleum Conference, October 19–21, 2010
Paper Number: SPE-137656-MS
... injection enhanced recovery fracture upstream oil & gas borehole bitumen injection test csug spe 137656 oil sand injection rate absolute permeability complex reservoir geometry propagation initiation shear failure effective stress Polymer flooding has been employed for many years...
Proceedings Papers

Paper presented at the Canadian Unconventional Resources and International Petroleum Conference, October 19–21, 2010
Paper Number: SPE-137393-MS
... Abstract A numerical study of hydraulic fracture growth from a circular borehole under plane strain conditions is presented. The coupling of fluid flow and rock deformation plays a key role in the fracture reorientation process and in determining the curved fracture path formed. The fracture...
Proceedings Papers

Paper presented at the Canadian Unconventional Resources and International Petroleum Conference, October 19–21, 2010
Paper Number: SPE-138104-MS
... (foliations). This paper also addresses how this anisotropy in tensile strength could affect the pattern of hydraulically induced fractures in the field. diameter csug spe 138104 rock mechanics tensile stress montney shale vertical direction splitting test plane upstream oil & gas borehole...
Proceedings Papers

Paper presented at the Canadian Unconventional Resources and International Petroleum Conference, October 19–21, 2010
Paper Number: SPE-137315-MS
... data. For example, Figure 6 shows an estimate of fracture breakdown pressure (FBP) derived from these values. FBP is derived from the principal stresses using hoop stress concepts and assuming the borehole pressure is equal to the formation pressure (there is no borehole yet). FBP is an important...

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