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Reserves estimation of fractured reservoirs

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Proceedings Papers

Paper presented at the Abu Dhabi International Petroleum Exhibition & Conference, November 13–16, 2017
Paper Number: SPE-188418-MS
... and Kazemi (1988) or the Quandalle and Sabathier (1989) gravity-drainage model. Abstract Naturally fractured carbonate reservoirs (NFRs) account for a majority of the world’s proven oil (~60%) and gas reserves (~40%). Many operators either significantly over-predict production and reserves, or non...
Proceedings Papers

Paper presented at the Europec/EAGE Conference and Exhibition, June 9–12, 2008
Paper Number: SPE-113378-MS
... development. They will be incorporated into the three basic reservoir engineering methods, namely in volumetric reserve calculation, in material balance calculations and numerical modeling. Volumetric estimation of matrix recovery using stochastic simulation In classical approach the stochastic...
Proceedings Papers

Paper presented at the SPE Eastern Regional Meeting, November 12–14, 1986
Paper Number: SPE-15935-MS
... equation SPE Society of Petroleum Engineers SPE 15935 Estimation of Reserves and Recovery Performance in Highly Complex Naturally Fractured Reservoirs by L.A. Owusu and I. Ershaghi, U. of Southern California SPE Members Copyright 1986, Society of Petroleum Engineers This paper was prepared...
Proceedings Papers

Paper presented at the Canadian International Petroleum Conference, June 7–9, 2005
Paper Number: PETSOC-2005-150
... analysis of the inputs showed that matrix porosity, net thickness and fracture porosity are significant in Karabogaz formation and Kbb-C reserve estimation while water saturation and fracture porosity are most significant in estimation of Derdere formation reserves. Introduction Reservoir performance...
Proceedings Papers

Paper presented at the SPE Rocky Mountain Petroleum Technology Conference, May 21–23, 2001
Paper Number: SPE-71037-MS
... logging devices designed to identify fractures in the wellbore. For purposes of analogy in a fractured reservoir a vertical well is assumed to penetrate only one sub-vertical fracture unless there is specific information to the contrary. Table 1 presents an example of an analogous reserve estimate...
Proceedings Papers

Paper presented at the SPWLA 23rd Annual Logging Symposium, July 6–9, 1982
Paper Number: SPWLA-1982-KK
... ABSTRACT Because some complex factors, such as heterogeneity of rocks, double-porosity system and low core recovery, exist in fracture-porosity carbonate reservoir, it is always insufficient to study reservoir parameters and estimate gas reserves only by using a little data of core analysis...
Book Chapter
Publisher: Society of Petroleum Engineers
Published: 01 January 2020
DOI: 10.2118/9781613997741-vol_1_11
EISBN: 978-1-61399-905-9
... crushing or embedment. Type Curves If used correctly, type curves can be used to forecast production, estimate reserves, and evaluate reservoir and fracture properties. Either an analogy-based or a model-based type curve can be useful when appropriate analogies are identified and model...
Proceedings Papers

Paper presented at the SPE Eastern Regional Meeting, October 15–17, 2019
Paper Number: SPE-196603-MS
... Abstract The current scheme for developing shale reservoirs necessitates special considerations while estimating the reserve. While reservoir characteristics lead to an extended infinite acting flow regime, completion schemes could result in a series of linear flows. Therefore, the initial...
Proceedings Papers

Paper presented at the OTC Brasil, October 4–6, 2011
Paper Number: OTC-22517-MS
.... reservoir pressure recovery factor reserve estimation gas injection scenario modeling & simulation estimation mmstb injection scenario material balance reservoir graphical method fracture scenario injection drive mechanism enhanced recovery compressibility water injection reservoir...
Proceedings Papers

Paper presented at the SPE/EAGE European Unconventional Resources Conference and Exhibition, February 25–27, 2014
Paper Number: SPE-167778-MS
... shale gas shale reservoir well performance Artificial Intelligence Upstream Oil & Gas microseismic event Reservoir Characterization complex reservoir closure stress interpretation Shale Capacity fracture network hydraulic fracturing Simulation rock property estimation srv...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 29–31, 2019
Paper Number: SPE-196291-MS
.... However much of remaining reserve is still locked in reservoir with lower permeability where conventional completion cannot economically produce these type reservoirs. Many technologies have been applied in order to produce at economical rate these reservoirs, including hydraulic fracturing. Hydraulic...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 23–25, 2018
Paper Number: URTEC-2903130-MS
... fracture-dominated flow regimes and rarely reach boundary-dominated flow (BDF), even over several years of production. The reserves estimation in these reservoirs is not straight forward like in the conventional ones because of the variation of reservoir properties and completion type. Many challenges...
Proceedings Papers

Paper presented at the SPE Russian Oil and Gas Exploration and Production Technical Conference and Exhibition, October 16–18, 2012
Paper Number: SPE-162071-MS
... of producible reserves, which is always below initial oil-in-place estimation; moreover in some cases this value can be quite considerable. As an example we present data on carbonate fractured-porous oil reservoir A 4 (Carbonic period, Bashkirian stage) at one of Ural-Volga fields. Brief geological...
Proceedings Papers

Paper presented at the SPE Eastern Regional Meeting, October 13–15, 2010
Paper Number: SPE-139118-MS
... with multiple transverse fractures in a bounded reservoir. Amini and Valkó solution includes non-Darcy flow effect in fracture. For reserves assessments and fluid-in-place estimations, methods based on material balance and pseudosteady-state flow (or boundary-dominated flow) concepts should not be applied...
Proceedings Papers

Paper presented at the Annual Technical Meeting, June 6–9, 1992
Paper Number: PETSOC-92-76
... hydraulically fractured reservoirs. Evaluation of constant pressure production decline curves can lead to estimates of the following parameters: Transmissibility, drainage area and reserves in reservoirs with single porosity behavior. Skin can be estimated under certain conditions. Transmissibility...
Proceedings Papers

Paper presented at the SPE Europec, December 1–3, 2020
Paper Number: SPE-200556-MS
...-segment dca unconventional reservoir reservoir characterization reservoir surveillance production forecasting production monitoring asset and portfolio management production control reserves replacement hydraulic fracturing complex reservoir drillstem/well testing pud july 2016 drillstem...
Proceedings Papers

Paper presented at the Latin American & Caribbean Petroleum Engineering Conference, April 15–18, 2007
Paper Number: SPE-108119-MS
.... In order to estimate the ultimate recoverable reserves in the tight gas reservoirs, permeability heterogeneity or the effective available drainage area to hydraulic fractures should be simulated effectively. Relatively small changes in permeability can results in unsuccessful fracture design...
Proceedings Papers

Paper presented at the SPE Middle East Oil & Gas Show and Conference, March 8–11, 2015
Paper Number: SPE-172534-MS
... NPV is estimated for different cases to see whether development of tight gas reservoir is economically feasible or not. Super hyperbolic decline over predicts the reserves while Power law, flowing material balance and production type curves are most suitable for OGIP or EUR estimation of tight gas...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 22–24, 2019
Paper Number: URTEC-2019-336-MS
... resource reservoir simulation DCA Artificial Intelligence reserves evaluation estimation method workflow PRM unconventional reservoir URTeC: 336 Estimating Reserves and Tracking the Classification of Reserves and Resources Other than Reserves (ROTR) in Unconventional Reservoirs Nefeli Moridis*1...
Proceedings Papers

Paper presented at the SPE Nigeria Annual International Conference and Exhibition, August 4–6, 2015
Paper Number: SPE-178284-MS
... fracture half-length Magnitude traditional method operation condition stress-sensitive reservoir permeability pseudopressure gas reservoir Material Balance Method Fluid Dynamics permeability modulus traditional reserve estimation method reservoir permeability reservoir Introduction...

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