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Keywords: ultimate recovery
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Proceedings Papers

Paper presented at the SPE Canada Unconventional Resources Conference, September 28–October 2, 2020
Paper Number: SPE-199981-MS
...). This paper discusses the use of cumulative productionratio curves,normalized to a given reference volume in time (e.g. 12-month cumulative production) for different unconventional plays in North America to investigate the median trend for each play, and investigate the median ultimate recovery per play...
Proceedings Papers

Paper presented at the SPE/CSUR Unconventional Resources Conference, October 20–22, 2015
Paper Number: SPE-175977-MS
... variability ultimate recovery Modeling & Simulation variation well performance Upstream Oil & Gas Deep Basin decline rate rta modeling analog well permeability transient period vertical well production forecasting DCA parameter boundary horizontal well wellbore well length reservoir...
Proceedings Papers

Paper presented at the SPE Canadian Unconventional Resources Conference, October 30–November 1, 2012
Paper Number: SPE-162648-MS
... using different mathematical and statistical bases and result in different forecasts. Hence, engineers have a variety of methods that may give different estimates for ultimate recovery when analyzing shale wells. In this work, four recently developed decline curve methods, along with the traditional...
Proceedings Papers

Paper presented at the SPE Canadian Unconventional Resources Conference, October 30–November 1, 2012
Paper Number: SPE-162649-MS
... to the formation of gas fingers. Increasing the injection pressure does not enhance water recovery in the upward displacement. We conclude that a large fraction of non-recovered fracturing fluid resides in the fractures below the horizontal well. proppant displacement experiment ultimate recovery...
Proceedings Papers

Paper presented at the Canadian Unconventional Resources Conference, November 15–17, 2011
Paper Number: SPE-147658-MS
... reservoir plsr machine learning hydraulic fracturing regression variation production data well parameter new well variance fracture conductivity shale gas upstream oil & gas correlation principal component analysis decline curve parameter drainage area prediction ultimate recovery...
Proceedings Papers

Paper presented at the Canadian Unconventional Resources Conference, November 15–17, 2011
Paper Number: SPE-149273-MS
... with the decline exponent equal to D min . Figure 1 presents this approach, where the figure shows the sensitivity of b values and terminal decline rate, D min , on production. Furthermore, the figure shows a range of uncertainity in the estimated ultimate recovery, EUR , especially early in the well life...
Proceedings Papers

Paper presented at the Canadian Unconventional Resources Conference, November 15–17, 2011
Paper Number: SPE-149488-MS
... reservoir, to generate a relationship between Estimated Ultimate Recovery (EUR), ∅h and total hydraulic fracture tonnage. The initial stage of the process required the application of IDC (Inverted Decline Curve) technology to determine independent quantities of 1) reservoir quality (kh) and 2) hydraulic...
Proceedings Papers

Paper presented at the Canadian Unconventional Resources and International Petroleum Conference, October 19–21, 2010
Paper Number: SPE-137718-MS
... and ultimate recovery. For shale gas, the IGIP is primarily in the form of adsorbed gas and far less of it is in the pore space. The volume of gas depends on sorption constants which describe the Langmuir adsorption/desorption isotherms. Because these constants are given in terms of gas per reservoir volume...
Proceedings Papers

Paper presented at the Canadian Unconventional Resources and International Petroleum Conference, October 19–21, 2010
Paper Number: SPE-137456-MS
... externally is the drainage area. The method can be used for forecasting horizontal wells with multiple hydraulic fractures. By assigning different drainage areas to each fracture, a relationship can be developed between expected ultimate recovery (EUR) and original gas in place (OGIP) assigned to each...

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