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Petroleum Engineering
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Biot Poroelasticity
The Biot Poroelasticity example two-way couples Darcy's law and the plane strain application modes to assess deformation of porous media that results from fluid withdrawals.
The model builds on top of the Terzaghi Compaction example. Results from Terzaghi compaction and Biot poroelasticity analy...
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Darcy - Brinkman Example
This example model characterizes a transition in flow regimes: slow flow in porous media quickens to a perforation in a well casing and ultimately moves into and up the well.
Darcy’s law describes flow velocities at a distance from the well. Closer to the perforation the Brinkman equations app...
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Discrete Fracture
This example models free flow through a fracture in a block of porous media, where flow in the fracture is much faster than in the matrix block. The approach uses internal borders for modeling the free flow in 2D. The porous media flow is modeled in 3D using Darcy’s law. It shows a feature unique...
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Failure of a Multilateral Well
An increasingly common technique to maximize oil production from deep wellbores is to emplace "open" multilateral wells, with multiple legs that branch off of a single conduit. The down side of leaving the well open is a high risk of mechanical failure both during installation and after pumping begi...
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Two-Phase Flow in Porous Media
The first model describes the simultaneous flow of two immiscible fluids in porous media - here air displaces water in a multi-step inlet pressure experiment. We solve for the pressure and the degree saturation for the air and water within a representative volume and so track saturation levels rathe...
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Simulation of an Electromagnetic Sounding Method for Oil Prospecting
The Controlled Source Electromagnetic (CSEM) method for oil prospecting has emerged as a promising technique during recent years. The method uses a mobile horizontal electric dipole transmitter and an array of seafloor electric receivers. The seafloor receivers measure the low frequency electrical f...
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Wellbore Storage
Fluids in the well and the casing around it must be removed before fluids from the reservoir enter the well. The magnitude and duration of the wellbore storage impact is related to the size of the well and casing. The effects are especially pronounced at early times when the viability of reservoirs...
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Finite Well
This model defines transient flow to a well of finite radius in a confined aquifer. The results from this analysis are compared to the well known Theis solution for flow to a point well. What distinguishes this model from the Theis problem is the well geometry.
Since the analytic solution describ...
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Leaky Well
In layered sedimentary sequences confining units often sandwich viable reservoirs. If the confining units create less than perfect seals, fluids from an overlying reservoir can leak into the pumped reservoir below it. Often the pumping from the lower reservoir does not change flow in the unpumped on...
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Perforated Well
Analysis of fluid flow into wells often begins with the assumption that the intake fluid is uniform along the entire length of wellbore. This assumption runs into trouble when applied to the modeling of perforated wells. When these wells are emplaced, deep bore hole is lined by impermeable materials...
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