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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
... 1,000 psi stress increment that produced less than 10% fines. The graph 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...
Proceedings Papers

Paper presented at the SPE Americas Unconventional Resources Conference, June 5–7, 2012
Paper Number: SPE-152730-MS
... for 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 maximum...
Proceedings Papers

Paper presented at the SPE Americas Unconventional Resources Conference, June 5–7, 2012
Paper Number: SPE-155768-MS
... that the 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...
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 day test...
Proceedings Papers

Paper presented at the CIPC/SPE Gas Technology Symposium 2008 Joint Conference, June 16–19, 2008
Paper Number: SPE-114331-MS
... placement water production Upstream Oil & Gas concentration gel system strength viscosity gelation time shear rate placement fluid dynamics reservoir casing and cementing waterflooding drilling operation drilling fluid formulation drilling fluid property flow in porous media drilling...
Proceedings Papers

Paper presented at the CIPC/SPE Gas Technology Symposium 2008 Joint Conference, June 16–19, 2008
Paper Number: SPE-115008-MS
... bit selection SPE Drilling Conference Nspdc strength mud weight PDC drill bit bit design disadvantage drill bit matrix bodied bit operator ROP bodied bit drill-bit technology redefine performance standard Upstream Oil & Gas Efficiency steel bodied bit application drilling...
Proceedings Papers

Paper presented at the CIPC/SPE Gas Technology Symposium 2008 Joint Conference, June 16–19, 2008
Paper Number: SPE-114927-MS
... adiabatic conditions and the results are presented. cement chemistry strength composition cement formulation patent composition 6 cement property Upstream Oil & Gas Cement composition casing and cementing Washington Dallimore hydrate cement slurry Drilling compressive strength...
Proceedings Papers

Paper presented at the CIPC/SPE Gas Technology Symposium 2008 Joint Conference, June 16–19, 2008
Paper Number: SPE-115004-MS
...New Environmental-Friendly Cement System Variable densities from 1200 to 1900 kg/m 3 Thickening times from several minutes to several hours Superior early and late strength development Fast gel strength development Controlled fluid loss Enhanced flexibility and elasticity...
Proceedings Papers

Paper presented at the CIPC/SPE Gas Technology Symposium 2008 Joint Conference, June 16–19, 2008
Paper Number: SPE-114866-MS
..., or shattering. The failure can be caused when tangential forces exceed bonding forces, tensile strength, and plastic limits. This paper presents a three-step approach to design, placement, and completion of a tuned slurry system that can protect zonal isolation throughout the planned operations of a well...
Proceedings Papers

Paper presented at the SPE Gas Technology Symposium, May 15–17, 2006
Paper Number: SPE-100572-MS
... and Operations strength PFP sandstone block fracture valve perforation field stress reservoir geomechanics concentration FEA model reservoir characterization cemented cased-hole well sandstone petroleum engineer wellbore spe 100572 tensile strength Introduction Perforating cemented...
Proceedings Papers

Paper presented at the SPE Gas Technology Symposium, May 15–17, 2006
Paper Number: SPE-99522-MS
... 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-reflective boundaries...
Proceedings Papers

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

Paper presented at the SPE Gas Technology Symposium, April 30–May 2, 2002
Paper Number: SPE-75697-MS
... products are listed. spe 75697 sulfide concentration delorey production chemistry vician oilfield chemistry acid treatment flowline corrosion materials and corrosion coiled tubing strength metcalf spe 75697 precipitate riser corrosion well integrity evaluation corrosion inhibition...
Proceedings Papers

Paper presented at the SPE Gas Technology Symposium, April 30–May 2, 2002
Paper Number: SPE-75689-MS
... involves applying short, frequent 700 kPa pulses to the annulus following cement placement. These pulses reduce the gel strength of the slurry, which allows full hydrostatic pressure to be transmitted downhole across the gas zone, thus preventing gas from entering the annulus. This paper also discusses...
Proceedings Papers

Paper presented at the SPE Gas Technology Symposium, April 30–May 2, 2002
Paper Number: SPE-76333-MS
... on 23 wells in the later part of 2001. vent flow gas pressure formation fluid procedure cement formulation strength thaumasite cement chemistry sulfate retainer spe 76333 casing and cementing carbon dioxide migration cement slurry cvf slurry mud displacement cement cement...
Proceedings Papers

Paper presented at the SPE Gas Technology Symposium, April 30–May 2, 2002
Paper Number: SPE-75671-MS
... in time and space. Production form these reservoirs is thus indirectly related to the interplay of fundamental forces, such as; inertial, viscosity, capillary and gravity, and their relative strengths, demonstrated through various dimensionless numbers. Dimensionless numbers are defined and calculated...
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 trajectories...
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...

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