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Keywords: flow regime
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Proceedings Papers

Paper presented at the SPE Canada Unconventional Resources Conference, September 28–October 2, 2020
Paper Number: SPE-199988-MS
... during the assisted history-matching step. Unfortunately, the final updated models may deviate substantially from the initial RTA estimates; moreover, specific information regarding the flow regimes is not incorporated directly into the history-matching step. In this paper, a new assisted history...
Proceedings Papers

Paper presented at the SPE Canada Unconventional Resources Conference, March 13–14, 2018
Paper Number: SPE-189802-MS
... hyperbolic decline Upstream Oil & Gas unconventional reservoir transient linear flow Duong History Seidle gas well flow regime straight line production profile linear flow empirical method tight shale reservoir reservoir production history cumulative production Decline Model BDF...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, February 15–16, 2017
Paper Number: SPE-185038-MS
... Upstream Oil & Gas Drillstem Testing efr type curve drillstem/well testing deviation CLF time plot compound linear flow EFR model horizontal well hydraulic fracturing intercept History Match linear flow reservoir material-balance time plot flow regime fracture type curve...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference, February 15–16, 2017
Paper Number: SPE-185020-MS
... operation, namely that it accentuates its pre-selected flow regime. Agnia et al., (2012) observed some of the above effects, and concluded that "ALL" data beyond the Maximum Producing Time (MPT) should be ignored. In this publication, we present a detailed study that focuses on the data beyond MPT...
Proceedings Papers

Paper presented at the SPE/CSUR Unconventional Resources Conference, October 20–22, 2015
Paper Number: SPE-175913-MS
... plots. Results from this study shows that pressure normalization could potentially be used to identify the flow regimes in LRS reservoirs, which is especially true for rate restricted fields. We also observed that the production characteristics of LRS gas condensate reservoirs are highly variable...
Proceedings Papers

Paper presented at the SPE/CSUR Unconventional Resources Conference, October 20–22, 2015
Paper Number: SPE-175919-MS
... flow regime is observed to be dominant in pore scale. As a result, permeability changes with pore pressure. Traditionally, permeability is measured at various mean pore pressures and the data is used to extract the Klinkenberg or absolute permeability. However, it has been shown recently that...
Proceedings Papers

Paper presented at the SPE/CSUR Unconventional Resources Conference, October 20–22, 2015
Paper Number: SPE-175931-MS
... dimensionless type curves for a multi-fractured horizontal well with the geometry shown in Figure (5) . The six flow regimes associated with such geometry was discussed earlier ( Figure 1 ). Figure 5 Compound Linear – Multi-Fractured Horizontal Well Geometry The CLF type curves do not include end...
Proceedings Papers

Paper presented at the SPE/CSUR Unconventional Resources Conference, October 20–22, 2015
Paper Number: SPE-175993-MS
... Figure 2 Downtime-Affected Production Abstract Decline curve analysis in unconventional reservoirs is challenging due to the extremely low reservoir flow capacity coupled with the completion techniques and production practices used to achieve economic rates. The primary flow regimes for these...
Proceedings Papers

Paper presented at the SPE/CSUR Unconventional Resources Conference – Canada, September 30–October 2, 2014
Paper Number: SPE-171599-MS
... flow regimes. Determining the flow regime is important because Arps hyperbolic decline is only applicable in the boundary dominated flow (BDF) regime. BDF occurs when the pressure transient response reaches all boundaries of the reservoir; high permeability wells reach this condition quickly. In...
Proceedings Papers

Paper presented at the SPE/CSUR Unconventional Resources Conference – Canada, September 30–October 2, 2014
Paper Number: SPE-171657-MS
... & Gas pressure equation effective permeability fracture equation permeability Reservoir Surveillance drillstem/well testing Bakken linear flow reservoir kurtoglu saturation hydraulic fracturing compressibility flow regime black oil unconventional reservoir Eagle Ford Bakken and...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference Canada, November 5–7, 2013
Paper Number: SPE-167185-MS
... ≠ x inv . where all parameters are in field units). The method developed in this paper is applicable in modeling different flow regimes during transient, boundary affected and boundary dominated flow periods. This paper outlines the proposed approach and explains its usefulness by comparing...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference Canada, November 5–7, 2013
Paper Number: SPE-167226-MS
... The mean free path of gas molecules is defined as, In this work, first by presenting the pore scale in shale matrix and the pressure characteristics of shale gas reservoirs, according to Knudsen number, the flow regime in shale gas reservoirs is determined systematically. An apparent gas...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference Canada, November 5–7, 2013
Paper Number: SPE-167124-MS
... linear flow). As a result, without careful data diagnosis prior to analysis, flow regimes could be falsely interpreted, which results in misleading interpretation of well performance, and c) outliers are accentuated, resulting in a false interpretation of apparent validity. In this work, a new and...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference Canada, November 5–7, 2013
Paper Number: SPE-167145-MS
... Abstract Innovative completion techniques for unconventional oil and gas reservoirs have been developed at a rapid pace. Deciphering the flow regime characteristics of the pressure-time signature of flowing wells associated with these new completion techniques is critical for evaluating well...
Proceedings Papers

Paper presented at the SPE Unconventional Resources Conference Canada, November 5–7, 2013
Paper Number: SPE-167218-MS
... larger non-Darcy number (FND>10). The non-Darcy number is found to be more sensitive than the relative minimum permeability, resulting in a larger pressure drop even at a larger kmr. In addition, the non-Darcy flow is found to impose a significantly impact on the early-stage bilinear/linear flow regime...
Proceedings Papers

Paper presented at the SPE Canadian Unconventional Resources Conference, October 30–November 1, 2012
Paper Number: SPE-162473-MS
...) which includes a complex flow network that creates different flow regimes. We will present several short and long pressure transient tests conducted in vertical and horizontal wells, to determine critical formation properties of the low-permeability, dual-porosity Middle Bakken and Three Forks...
Proceedings Papers

Paper presented at the SPE Canadian Unconventional Resources Conference, October 30–November 1, 2012
Paper Number: SPE-162646-MS
... primary (early-time) linear flow. However, real production data has often shown more than one transient flow regimes. There are only few studies that focus on analyzing the flow regimes following the primary linear flow. It is not clear how to deal with the transition period as well as the compound (late...
Proceedings Papers

Paper presented at the SPE Canadian Unconventional Resources Conference, October 30–November 1, 2012
Paper Number: SPE-162665-MS
.... Javadpour et al. (2007) and Javadpour (2009) incorporated both Knudsen diffusion and slippage and derived an apparent permeability that is a function of pressure, temperature and gas properties. A very important parameter which determines the flow regime (viscous flow, slip flow, transition and...
Proceedings Papers

Paper presented at the SPE Canadian Unconventional Resources Conference, October 30–November 1, 2012
Paper Number: SPE-162647-MS
... regimes produced from this completion type and the concept of compound formation linear flow was later introduced by van Kruysdijk and Dullaert (1989) . This flow regime sequence was detailed and applied to analytical modeling by Chen and Raghavan (1997) , who first presented an algorithm to compute...
Proceedings Papers

Paper presented at the SPE Canadian Unconventional Resources Conference, October 30–November 1, 2012
Paper Number: SPE-162806-MS
... results, presenting in a type curve format under various conditions, have shown that SRV region is strongly related to the fracture influenced/dominated boundary flow regime and appears as a region possessing a less than 1 slope in pressure and reciprocal rate derivative curves, which indicates that the...

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