نتایج جستجو برای: wellbore stability

تعداد نتایج: 300858  

2000
Akif Ibragimov Peter Valkó

We analyze non-stationary, but stabilized flow towards a well in a reservoir with impermeable external boundaries (volumetric reservoir.) Two operating conditions: fixed production rate and given wellbore pressure are considered. Determination of conditions under which the Productivity Index (PI) is time invariant is the focus of our study. For the fixed production rate case the flow regime pro...

Journal: :Computers & Geosciences 2014
Lehua Pan Curtis M. Oldenburg

We have developed T2Well, a numerical simulator for nonisothermal, multiphase, multicomponent flows in integrated wellbore-reservoir systems. The new model extends the existing numerical reservoir simulator TOUGH2 to calculate the flow in both the wellbore and the reservoir simultaneously and efficiently, by introducing a special wellbore subdomain into the numerical grid. For gridblocks in the...

Journal: :Processes 2022

The borehole wall stability of depleted reservoirs is a key problem that restricts the deeper potential exploitation old oilfields. Based on these, according to seepage and elastic mechanics theory porous media, combined with laboratory rock experiments, dynamic evaluation model geomechanical parameters reservoir established, this basis, method wellbore new wells in changing laws influencing fa...

Journal: :Journal of Petroleum Exploration and Production Technology 2022

Abstract Wellbore instability is frequently encountered in the process of shale oil drilling. Due to anisotropic strength characteristics shale, most conventional models are not suitable for wellbore stability analysis layered formation. In this paper, taking continental north Songliao Basin as research object, elasticity and parameters measured experimentally. Based on pore elastic mechanics, ...

Journal: :iranian journal of chemistry and chemical engineering (ijcce) 2013
mohammad soleymani mohammad reza kamali yazdan saeedabadian

this investigation presents the effect of various parameters on foam stability and its rheological properties. the underlying idea of this experiment is generating of drilling foam with uniform bubbles. the main problem of foam using is controlling its stability during field application. the most important parameters which cause instability in foam are gravity drainage, gas diffusion and bubble...

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