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Keywords: strength
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Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, April 1–3, 2014
Paper Number: SPE-168975-MS
... in Figure 2 , taken from the Conway et al. patent claim, shows the strength of the relationship between pack porosity and percent fines. (The two lines were added by the authors to more clearly delineate the trends.) Figure 2 Graph from the Conway et al. patent for the Pluviator. (Lines were...
Proceedings Papers

Paper presented at the SPE Americas Unconventional Resources Conference, June 5–7, 2012
Paper Number: SPE-152730-MS
... a linear elastic material. This relationship, along with ν, can be used to estimate the stress that a cement sheath will experience. 1.68 × 10 6 2.13 × 10 6 Poisson’s ratio, ν The ratio of transverse to axial strain. 0.185 0.20 Compressive strength The...
Proceedings Papers

Paper presented at the SPE Americas Unconventional Resources Conference, June 5–7, 2012
Paper Number: SPE-155768-MS
... hydraulic fracture is initiated at a point when the hydraulic pressure exceeds the tensile strength of the rock. But it is observed that, by simply lowering the effective pressure to the point where the shear strength of the rock becomes less than the tensile strength, shear failure can be induced at lower...
Proceedings Papers

Paper presented at the North American Unconventional Gas Conference and Exhibition, June 14–16, 2011
Paper Number: SPE-143604-MS
... Abstract Deriving rock moduli from acoustic velocities is the most common method for evaluating formation mechanical strength in the petroleum industry. While common, the accuracy of the method is hindered by the difficulty correcting the moduli, as measured by the acoustic logging tool to...
Proceedings Papers

Paper presented at the SPE Unconventional Gas Conference, February 23–25, 2010
Paper Number: SPE-131782-MS
... and particle strength tests. Specific changes in fluid chemistry that result from contact with proppant and shale at reservoir temperature will also be a focus of the paper. water analysis society of petroleum engineers fracturing fluid proppant dissolution strength fracturing materials...
Proceedings Papers

Paper presented at the CIPC/SPE Gas Technology Symposium 2008 Joint Conference, June 16–19, 2008
Paper Number: SPE-114331-MS
... enhanced recovery Well Intervention conformance improvement production enhancement downhole intervention Upstream Oil & Gas strength viscosity gelation time shear rate water shut-off arab-d reservoir sodium silicate gel gel Brookfield viscometer concentration gel system...
Proceedings Papers

Paper presented at the CIPC/SPE Gas Technology Symposium 2008 Joint Conference, June 16–19, 2008
Paper Number: SPE-114927-MS
.... Recommended slurry characteristics are similar to those for cementing permafrost zones, with special emphasis on cements with low heat-of-hydration. Some suggested slurry properties include (Collett and Dallimore, 2002): 1) High strength. 2) Good bond. 3) Short curing times. 4) Low heat-of-hydration. The...
Proceedings Papers

Paper presented at the CIPC/SPE Gas Technology Symposium 2008 Joint Conference, June 16–19, 2008
Paper Number: SPE-114866-MS
..., completion methods, production regime(s), and future abandonment necessities. In general, cement sheath damage can be classified into three general categories: debonding, radial cracking, or shattering. The failure can be caused when tangential forces exceed bonding forces, tensile strength, and plastic...
Proceedings Papers

Paper presented at the CIPC/SPE Gas Technology Symposium 2008 Joint Conference, June 16–19, 2008
Paper Number: SPE-115004-MS
... aluminosilicate materials. This includes lightweight slurries with high compressive and flexural strengths and desirable elasticity. The new slurry has been successfully placed as a lightweight lead cement in intermediate casing operations. The short- and long-term performances of the new blend will be presented...
Proceedings Papers

Paper presented at the CIPC/SPE Gas Technology Symposium 2008 Joint Conference, June 16–19, 2008
Paper Number: SPE-115008-MS
... is very faulted, with inconsistent transition layers of shale, sand, silt and coal seams with compressive strengths varying between 10000psi – 25000psi. The 156mm interval starts off in the Dunvegan, and drills down through the Shaftesbury, Base Fish Scales, Peace Rivier, and finishes in the...
Proceedings Papers

Paper presented at the SPE Gas Technology Symposium, May 15–17, 2006
Paper Number: SPE-99522-MS
... include an elastoplastic material model for rock constitutive behavior, a rock damage model for strength reduction and damage accumulation because of cyclic hammer impacts, multiple rock failure criteria for initiation of rock breakage, rock dynamic characteristics for energy dissipation and non...
Proceedings Papers

Paper presented at the SPE Gas Technology Symposium, May 15–17, 2006
Paper Number: SPE-100572-MS
..., or other methods to provide temporary isolation. Completion Installation and Operations strength PFP sandstone block Completion Monitoring Systems/Intelligent Wells Upstream Oil & Gas port hydraulic fracturing cement fracture pressure perforation flow control equipment...
Proceedings Papers

Paper presented at the SPE Gas Technology Symposium, April 30–May 2, 2002
Paper Number: SPE-75671-MS
... gravity, and their relative strengths, demonstrated through various dimensionless numbers. Dimensionless numbers are defined and calculated for all pressure and space coordinates in a test reservoir, thus defining various dynamical regions where certain forces are dominating over others. Identification...
Proceedings Papers

Paper presented at the SPE Gas Technology Symposium, April 30–May 2, 2002
Paper Number: SPE-75689-MS
... hydrostatic pressure casing and cementing pulsation technique pressure pulse cement chemistry strength spe 75689 husky energy cement pulsation vibration operational safety louisiana state university control gas migration dale dusterhoft upstream oil & gas pulsation field study...
Proceedings Papers

Paper presented at the SPE Gas Technology Symposium, April 30–May 2, 2002
Paper Number: SPE-75697-MS
... delorey production chemistry precipitate riser corrosion corrosion rate subsurface corrosion hydrochloric acid flowline corrosion materials and corrosion coiled tubing strength metcalf spe 75697 vician h2s management inhibitor well integrity oilfield chemistry acid treatment corrosion...
Proceedings Papers

Paper presented at the SPE Gas Technology Symposium, April 30–May 2, 2002
Paper Number: SPE-75704-MS
... wells. tensile fracture azimuth strength shmax upstream oil & gas breakout basement reservoir fracture system reservoir geomechanics reservoir characterization spe 75704 permeability aperture magnitude conglomerate fracture characterization stress state pore pressure...
Proceedings Papers

Paper presented at the SPE Gas Technology Symposium, April 30–May 2, 2002
Paper Number: SPE-76333-MS
... drilled-solids content of the drilling mud, conditioning the hole, and reducing the long-term gel strength of the drilling mud helps obtain more efficient mud displacement. 4 A properly designed cement system does not eliminate the need for proper mud conditioning or for following best cementing...
Proceedings Papers

Paper presented at the SPE Gas Technology Symposium, March 15–18, 1998
Paper Number: SPE-40017-MS
.... Techniques developed for determining RCPs' cure kinetics are described. These techniques include differential scanning calorimetry (DSC), rock-mechanical measurements, and scanning electron microscopy (SEM). The cure kinetics of different RCPs are related to their consolidation strengths and photomicrographs...
Proceedings Papers

Paper presented at the SPE Gas Technology Symposium, April 28–May 1, 1996
Paper Number: SPE-35634-MS
... and ultrasonic borehole imagery acquired in the well. Triaxial strength measurements are used to model the development of yielding in the rock mass and along bedding plane parallel fractures using 3D geomechanical software. Recommendations for selecting appropriate drilling fluids, planning hole...
Proceedings Papers

Paper presented at the SPE Gas Technology Symposium, June 28–30, 1993
Paper Number: SPE-26157-MS
... narrow. The fatigue failure mechanism is accelerated by resonance. Appropriate wheel designs, which will deliver extended operating life, may require modified wheel hub profiles and the use of higher strength alloys. Strict control of forging and heat treatments must be maintained to ensure metallurgy of...

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