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Keywords: rock strength
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Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–23, 2021
Paper Number: SPE-205935-MS
... or analog field performance, which can be used to better inform overall sand management strategies and associated business value. flow assurance reservoir geomechanics flow in porous media sand/solids control sand production well performance rock strength upstream oil & gas completion...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 24–26, 2018
Paper Number: SPE-191406-MS
... empirically found to result in sand production were identified. The sand production model was run to verify the role played by different factors. It is shown that completion design, rock strength and post failure behavior of the rock are key factors responsible for the observed sanding in these wells...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 9–11, 2017
Paper Number: SPE-189289-STU
... failure, rock fatigue, and reduction in rock strength. The innovated model estimates values of drillstring accelerations that collapse wellbore, and predicts optimum mud weight needed for safe drilling before and after reduction in rock strength due to drillstring vibration. Research findings reduce...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 27–29, 2014
Paper Number: SPE-170814-MS
... production society of petroleum engineers production monitoring Upstream Oil & Gas irreducible water saturation rock strength Flow Condition Artificial Intelligence sand production rate drawdown pressure completion installation and operations onset Reservoir Surveillance sand production...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 27–29, 2014
Paper Number: SPE-170954-MS
... and completed in the very thick sandstone reservoirs. We'll also show that if the reservoir rock strength and its variability along depth are properly measured for each well (through well core testing and log data analysis), the conditions that induce sand production issues for each specific interval could...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 2, 2013
Paper Number: SPE-167627-STU
... drilling, completion, fluid injection, temperature changes and the associated deformations and failure that occurs. It takes into account the rock strength and the pore pressure whilst describing the behavior of rock under mechanical disturbance. Typically, a Geomechanical model comprises of six components...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 8–10, 2012
Paper Number: SPE-159771-MS
... communication. A key perforating parameter is the perforation tunnel depth of penetration (DoP). A new paradigm of DoP modeling relies on shaped charge characterization in the laboratory under a range of rock strength and stress; however, most available data are for rock strength or unconfined compressive...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 30–November 2, 2011
Paper Number: SPE-145969-MS
... of rock strength after exposure to drilling fluids over certain periods of time. This test device bridged the gap between theory as proposed by Terzhagi and others by providing actual measurements of rock strength under known levels of confining pressure, continuous circulation of fluid over the shales...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 30–November 2, 2011
Paper Number: SPE-152362-STU
... that using gas and liquid fluid. The results of this study show that mixing a resin with core can increase rock strength up to 700-800 psi, which can handle sand problems. sand control consolidation radial pressure reservoir characterization resin sand production reservoir geomechanics...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 19–22, 2010
Paper Number: SPE-135057-MS
... analysis for rock strength and earth stress model construction, laboratory triaxial stress-strain tests on well core samples considering bedding plane inclination effects, 3D analytical modeling and 3D elastic-plastic numerical modeling analysis for determining optimum mud-weight (MW) windows for secure...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 4–7, 2009
Paper Number: SPE-124874-MS
... strength re-fracturing concentration closure stress rock embedment strength pressure drop rock strength closed fracture re-fracturing treatment base case acid re-fracturing strength measurement conductivity measurement experiment conductivity re-acidizing process fracture face fracture...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 4–7, 2009
Paper Number: SPE-124161-MS
... Abstract Analysis and prediction of geomechanical problems is important for the success of drilling, completion, and production operations, and requires knowledge of rock strength, pore pressure and in-situ stress. Geomechanical problems encountered while drilling include wellbore stability...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 4–7, 2009
Paper Number: SPE-125020-MS
... contain proprietary components. However, among the various factors considered, it is believed that the conventional models all exhibit some version of each of the following components: API Section I concrete ➔ Berea sandstone (normalized to 7000 psi UCS) Berea ➔ rock of different UCS (rock strength...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–24, 2008
Paper Number: SPE-115915-MS
... Characterization Upstream Oil & Gas depletion drawdown model prediction Wellbore Design sand production wellbore integrity strength geomechanical model shale instability drilling experience mud weight rock strength water production hole condition study area completion sandstone prediction...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–24, 2008
Paper Number: SPE-114273-MS
... pore pressure Upstream Oil & Gas correlation horizontal stress effective stress gradient spe 114273 sonic slowness fracture gradient Modeling & Simulation salt creep shear failure gradient ppg pressure gradient deformation rock strength failure gradient in-situ stress...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 21–24, 2008
Paper Number: SPE-116633-MS
... this approach. Core-calibrated rock strength log profiles are estimated throughout the reservoir depth for all existing wells. A rock failure criterion at the sand face is developed as a function of in-situ stresses, rock strength, well trajectory, perforation orientation, reservoir depletion and drawdown...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, November 11–14, 2007
Paper Number: SPE-110089-MS
.... Determination of Rock Strength using Well Log Data The conventional approach used to predict rock strength from log data is to establish correlations between rock strength and a quantity that can be obtained from log data such as porosity, Young's modulus, etc. For example, Bradford et al. 3 give...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, November 11–14, 2007
Paper Number: SPE-109774-MS
... stress directions (S hmin and S Hmax ) was calculated and compared and the resulting optimum direction was recommended. The effect of mud on rock strength was evaluated and the mud type that caused less rock-strength reduction was selected. The study concluded that under undepleted conditions...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 24–27, 2006
Paper Number: SPE-99644-MS
...Problem Background A number of publications that provide derived correlations to estimate rock strength and in-situ stress parameters are available, but very few of them attempt to use risk qualitative analysis and predict the borehole stability in a field case. Abstract Assessment...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 24–27, 2006
Paper Number: SPE-102802-MS
.... Cavities grow in the horizontal direction and form penny shaped cavities. Fig.7 shows the field measured sand rate during a post-failure stabilization after bean-up operation of a gas well. The depth of the reservoir is approximately 7000-8000 ft and the rock strength is 1300 psi UCS. The sand rate...

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