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Keywords: evaluation
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Proceedings Papers

Paper presented at the SPE Canada Unconventional Resources Conference, September 28–October 2, 2020
Paper Number: SPE-199997-MS
... Abstract The objective of the study is to develop an integrated multi-disciplinary workflow to screen wells for suitable candidates and to evaluate the feasibility of selected wells for refracturing using advanced geomechanical modeling. A four-step workflow to select and evaluate wells for...
Proceedings Papers

Paper presented at the SPE Canada Unconventional Resources Conference, March 13–14, 2018
Paper Number: SPE-189791-MS
... observable on log-log crossplots of porosity vs. true resistivity. The analysis has been used in the past primarily for determination of water saturation. However, the plot has been extended throughout the years for evaluation of other parameters of practical importance including, for example, permeability...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, February 15–16, 2017
Paper Number: SPE-185059-MS
... a protocol for accessible and inaccessible part of the rock (IRP) compressibility then allows systematic evaluation of the potential impact effect of discretization. Having a better understanding of these computations leads to better reservoir estimation, with the potential for improved production...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, February 15–16, 2017
Paper Number: SPE-185031-MS
.... Therefore, as we move south in the study area, the formation becomes less favorable for hydraulic fracturing as the rock becomes more ductile. Figure 3 Core XRD Analysis showing average mineralogy for well 1. Figure 4 Petrophysical evaluation of Well 1. The GR baseline is set at 75 API...
Proceedings Papers

Paper presented at the SPE/CSUR Unconventional Resources Conference, October 20–22, 2015
Paper Number: SPE-175967-MS
... Abstract This paper presents original research on how to improve the predictive ability of type wells used in evaluating unconventional resource drilling programs by extending traditional Monte Carlo calculations. The paper addresses three critical questions engineers must answer before...
Proceedings Papers

Paper presented at the SPE/CSUR Unconventional Resources Conference, October 20–22, 2015
Paper Number: SPE-175911-MS
... using sequenced fracturing technique. Standard plug and perf operation relies on good cement behind the casing liner to provide hydraulic isolation between perforation clusters and intervals. Figure 6 Cement job execution Cement evaluation tools measure the bond between the...
Proceedings Papers

Paper presented at the SPE/CSUR Unconventional Resources Conference, October 20–22, 2015
Paper Number: SPE-175943-MS
... waterflood in the Bakken Formation, shows that the CM-PW results agree with tracer test results and field reports showing fracture hits between wells. Seismic interpretations also strongly support the CM-PW evaluations. The IWCs evaluated by the CM-PW during unsteady state flow periods provide key...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference Canada, November 5–7, 2013
Paper Number: SPE-167214-MS
... in North America ( Zaitlin and Moslow, 2006 ). Abstract The use of drill cuttings has evolved recently from qualitative to quantitative evaluations due to the possibility of measuring porosity and permeability from drill cuttings in the laboratory with a good level of certainty. One of the...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference Canada, November 5–7, 2013
Paper Number: SPE-167236-MS
... reservoirs are discussed in this paper. These parameters include porosity, permeability, gas adsorption, water saturation and TOC. Current available methods to evaluate shale gas petrophysical properties are summarized. These methods include core laboratory measurements and well logs. Sources of uncertainty...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference Canada, November 5–7, 2013
Paper Number: SPE-167128-MS
... increasing ‘complexity’ where the evaluations are based upon the common modeling of multiple hydraulic fractures assuming a parallel, planar hydraulic fracture geometry. However, for hydraulic fracturing in unconventional plays, parallel, planar hydraulic fractures are unlikely to occur. If there are few...
Proceedings Papers

Paper presented at the SPE Canadian Unconventional Resources Conference, October 30–November 1, 2012
Paper Number: SPE-161875-MS
... tight gas sandstone porosity ( ϕ ) and permeability ( k ) from drill cuttings obtained in the laboratory. These data are used as a starting point to explain the new petrophysical evaluation method introduced in this thesis. Bottom Depth MD (m) ϕ (Lab) k (md) 3145.0 0.142 0.112 3150.0...
Proceedings Papers

Paper presented at the SPE Canadian Unconventional Resources Conference, October 30–November 1, 2012
Paper Number: SPE-162776-MS
... frame, evaluate and compare appraisal strategies in resource plays. The unique approach starts with framing the overall field appraisal plan, holistically, and then progresses to evaluating the most commonly encountered individual appraisal decisions, enabling teams to answer the following questions...
Proceedings Papers

Paper presented at the SPE Canadian Unconventional Resources Conference, October 30–November 1, 2012
Paper Number: SPE-162749-MS
... landscaping. In the current economic environment of high drilling and completion costs, coupled with lower commodity prices, the economic success of shale gas developments has become reservoir specific. Evaluation of well’s initial performance in a particular field and especially the ability to accurately...
Proceedings Papers

Paper presented at the Canadian Unconventional Resources Conference, November 15–17, 2011
Paper Number: SPE-147518-MS
... Figure 1 Reservoir qualities computed from logging data compare favorably with core data over the shale interval in Pennsylvania Figure 2 Horizontal Shale Gas Evaluation is produced using an advanced multi-mineral log analysis program. The tracks above display density borehole image...
Proceedings Papers

Paper presented at the Canadian Unconventional Resources Conference, November 15–17, 2011
Paper Number: SPE-149278-MS
... less than the expenditure on a single frac stage. A Quad-Combo is sufficient for a meaningful evaluation that will permit operators to concentrate on intervals with better reservoir characteristics and thus achieve improved stimulation of the formation. There is no question...
Proceedings Papers

Paper presented at the Canadian Unconventional Resources Conference, November 15–17, 2011
Paper Number: SPE-149496-MS
...: Atlas of the Western Canada Sedimentary Basin, 2010). Abstract A method is presented that integrates a triple porosity model with sonic, density and resistivity logs for evaluation of tight gas formations. The interpretation takes into account results from petrographic work in the Western...
Proceedings Papers

Paper presented at the Canadian Unconventional Resources Conference, November 15–17, 2011
Paper Number: SPE-149390-MS
... completion details such as number of clusters, number of stages, and perforation intervals in horizontal laterals created a large number of variables impacting production for any operator. Implementation of any technology requires proper evaluation metrics that minimize geology, petrophysical and completion...
Proceedings Papers

Paper presented at the Canadian Unconventional Resources Conference, November 15–17, 2011
Paper Number: SPE-149010-MS
... graphical or analytical techniques for design and performance evaluation. There have been numerous efforts that integrated the simulation exercise with global optimization algorithms. Some studies focused on optimization of cumulative steam-to-oil ratio (cSOR) in SAGD by altering steam injection rates...
Proceedings Papers

Paper presented at the Canadian Unconventional Resources and International Petroleum Conference, October 19–21, 2010
Paper Number: SPE-137483-MS
... using industry leading probabilistic methods, capable of testing pathways through highly complex situations. The evaluation included an integrated approach to deal with the full value-chain of the steam flood project. This process, rooted in statistics and decision theory, helps determine significant...
Proceedings Papers

Paper presented at the Canadian Unconventional Resources and International Petroleum Conference, October 19–21, 2010
Paper Number: SPE-137607-MS
... hydrocarbon saturation along a shale gas horizontal well. Figure 8 Example of a horizontal Shale Gas Evaluation is produced using an advanced multi-mineral log analysis program. The tracks above display the computed mineralogy, effective porosity, water saturation, TOC content, matrix permeability...

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