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Keywords: invasion
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Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 19–21, 2020
Paper Number: SPE-199336-MS
...-pack screen sand control drilling fluid formulation abram target line agent filter cake pore size invasion particle size distribution drilling fluid management & disposal blend line fluid loss control society of petroleum engineers particle size theory slot size optimal target line...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 7–9, 2018
Paper Number: SPE-189471-MS
... Abstract Formation damage from mud invasion is a complicated process that is influenced by mud type, downhole fluid particle size distribution (PSD), mud rheology, rock type, lithology, permeability, drill pipe rotation, geochemical factors, pressure, and temperature. Many of these variables...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 7–9, 2018
Paper Number: SPE-189535-MS
... – Lubricant CBR600 3% Lubricant – Steelseal Fine & Super Fine 2 + 2 g Bridging Material – Marble Medium Mi Sch 10 g Weighting Material – Sureseal 2 g Bridging Material – Sodium Silicate (Na 2 SiO 3 ) 0.05, 0.075, 0.1, 0.5, 1, 1.5 wt% Inhibitive Additive against Fluid Invasion 10...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 7–9, 2018
Paper Number: SPE-189509-MS
... (4) r r = r p 2 − V S L τ π (5) τ = 0.84 ( 3 π 4 ) 4 / 3 ⋅ ( 1 − φ ) 4 / 3 φ S 2 In this study, the pore size of the mud cake is estimated based on SEM images after mud invasion. figure 3...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 24–26, 2016
Paper Number: SPE-179016-MS
... evaluation of experimentally determined fluid loss data leads to a better understanding of the basic principles of filter-cake buildup and formation damage. The key findings from this study are the effects of filtration medium on cumulative mud filtrate loss, invasion and mud cake characterization, and its...
Proceedings Papers

Paper presented at the SPE International Symposium and Exhibition on Formation Damage Control, February 26–28, 2014
Paper Number: SPE-168151-MS
... Oil & Gas mudcake thickness dynamic condition drilling fluid property dewan porosity drilling fluid chemistry drilling fluid formulation filtrate invasion solid particle invasion filtration equation mudcake permeability drilling fluids and materials spe 168151 chenvert flowrate...
Proceedings Papers

Paper presented at the SPE International Symposium and Exhibition on Formation Damage Control, February 26–28, 2014
Paper Number: SPE-168208-MS
... Fluid filtration and invasion occur in drilling oil wells operations in overbalanced conditions. In static and dynamic condition, the buildup of a porous and compressible cake on the wall of the well avoids the inadequate invasion and possible damage to the reservoir. The composition of the...
Proceedings Papers

Paper presented at the SPE International Symposium and Exhibition on Formation Damage Control, February 26–28, 2014
Paper Number: SPE-168184-MS
... the well productivity. The invasion radius is of critical to the multiphase flow when the well is put on production. It contributes to the total skin that hinders the hydrocarbon production. Furthermore, the fluid invasion also affects the response of the logging tools, rendering them less than...
Proceedings Papers

Paper presented at the SPE International Symposium and Exhibition on Formation Damage Control, February 15–17, 2012
Paper Number: SPE-151837-MS
... limit the invasion of fluid into the sensitive formation. A low coefficient of friction would also be another requirement for the reservoir drill-in system. This paper will highlight the design optimization, the unique characteristic, the testing and the successful implementation of this special...
Proceedings Papers

Paper presented at the SPE International Symposium and Exhibition on Formation Damage Control, February 13–15, 2008
Paper Number: SPE-111275-MS
... SPE 111275 Modeling of Permeability Impairment by Invasion of Solid Suspension During Waterflooding in Heterogeneous Porous Media Jamshid Moghadasi, SPE, NIOC, Petroleum University of Tech. Copyright 2008, Society of Petroleum Engineers This paper was prepared for presentation at the 2008 SPE...
Proceedings Papers

Paper presented at the SPE International Symposium and Exhibition on Formation Damage Control, February 13–15, 2008
Paper Number: SPE-112277-MS
...; represent a significant challenge for overbalanced drilling operations with respect to rapid and deep invasion and significant, often permanent permeability impairment. In most situations, the high permeability of the fractures and vug systems act as conduits to feed gas or oil from a tight producing source...
Proceedings Papers

Paper presented at the SPE International Symposium and Exhibition on Formation Damage Control, February 13–15, 2008
Paper Number: SPE-112409-MS
... production sphere located at the wellbore axis. The new model provides the signature of 3D contamination transport on cleanup dynamics, which is controlled by the ratio of invasion depth to wellbore radius. The analysis of new problem solutions reveals new details of cleanup evolution. In particular, the...
Proceedings Papers

Paper presented at the SPE International Symposium and Exhibition on Formation Damage Control, February 15–17, 2006
Paper Number: SPE-98292-MS
... different reservoir conditions on the samples. Dynamic leak-off test was performed on the core samples for 4 hours and then it was followed by static leak-off test for 16 hours. Cummulative invasion of mud into the core during leak-off test is measured and then return permeability test and drawdown pressure...
Proceedings Papers

Paper presented at the SPE International Symposium and Exhibition on Formation Damage Control, February 18–20, 2004
Paper Number: SPE-86498-MS
... Abstract A prominent area of concern related to drill-in and completion operations is damage caused by polymer and/or brine filtrate invasion into the producing formation. It is common knowledge within the petroleum industry that, in overbalanced conditions, filtrate invasion into the pore...
Proceedings Papers

Paper presented at the SPE International Symposium and Exhibition on Formation Damage Control, February 18–20, 2004
Paper Number: SPE-86497-MS
... Abstract The present study proposes, through the coupling of a linear filtration formulation (lab configuration) and a radial single phase formulation (wellbore vicinity), to predict fluid invasion depth of drilling fluid filtrate in the reservoir rock. Modeling is validated with linear and...
Proceedings Papers

Paper presented at the International Symposium and Exhibition on Formation Damage Control, February 20–21, 2002
Paper Number: SPE-73733-MS
... experimental and numerical studies in order to assess the wellbore flow properties during oil production. There is a fundamental difference between water-based and oil-based mud invasions. In an oil- bearing formation, the displacement of the oil in place with an oil-based mud (OBM) filtrate is a miscible...
Proceedings Papers

Paper presented at the International Symposium and Exhibition on Formation Damage Control, February 20–21, 2002
Paper Number: SPE-73714-MS
... Abstract Fluid invasion into productive zones has been widely recognized as detrimental to well productivity. Filtrate and solids invasion can cause irreversible formation damage and permeability reduction. Drilling fluids are formulated to avoid excessive fluid penetration into productive...
Proceedings Papers

Paper presented at the International Symposium and Exhibition on Formation Damage Control, February 20–21, 2002
Paper Number: SPE-73769-MS
... droplets tend to invade the formation and form an internal filter-cake. This is evident, from the lift-off pressures needed to initiate flow-back and deep invasion of emulsion droplets in long core experiments. Emulsions containing solids (CaCO 3 in our case) had lower filtrate volume and higher return...
Proceedings Papers

Paper presented at the International Symposium and Exhibition on Formation Damage Control, February 20–21, 2002
Paper Number: SPE-73781-MS
... pressure gradient during fluid flow. The movement of clay minerals, quartz, amorphous silica, feldspars, and carbonates may cause mechanical fine migration damage. invasion artificial intelligence waterflooding flow rate concentration formation water caso 4 srso 4 upstream oil & gas...
Proceedings Papers

Paper presented at the SPE International Symposium on Formation Damage Control, February 23–24, 2000
Paper Number: SPE-58737-MS
... study was conducted to evaluate near wellbore invasion and related damage due to two typical Drill-In fluids (D.I.F.) and performance of various cleanup procedures using specific "breakers". In the first part of the paper, values of Flow Initiation Pressure (F.I.P.) and return permeability...

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