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Keywords: reaction
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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-199321-MS
... operation Simulation information formation damage reagent structural geology formation damage removal technology Sandstone Reservoir composition comprehensive approach society of petroleum engineers interaction reservoir simulation software formation damage reaction sandstone stimulation...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 19–21, 2020
Paper Number: SPE-199315-MS
... Abstract A novel approach to exploit thermal energy released from the exothermic reactions of aqueous solution of thermochemical reactants (ammonium chloride and sodium nitrite), in controlling formation damage induced by water-in-oil emulsion have been investigated. Essentially, the technology...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 19–21, 2020
Paper Number: SPE-199291-MS
... performance, organic acids have been used along with mineral acids or as a stand-alone solution for high-temperature applications. However, the main drawback of these acids is the solubility of reaction product salts. In terms of conducting dominant wormhole tests and low corrosion rating, organic acids with...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 19–21, 2020
Paper Number: SPE-199306-MS
... become the choice to replace explosive stimulation of open-hole wells ( Elbel and Britt 2000 ). At high temperature, HCl becomes highly reactive with carbonate, which produces adverse results in terms of sandface reaction pattern, dissolution rate, acid penetration, and corrosion toward wellbore tubulars...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 19–21, 2020
Paper Number: SPE-199271-MS
.../stimulation is achieved, leading to productivity enhancement and sustainable oil production. drilling fluids and materials polymer productivity environmentally friendly chemical enzyme wellbore cleanup drilling fluid formulation Polymer Mud cellulose reaction mudcake society of petroleum...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 19–21, 2020
Paper Number: SPE-199258-MS
..., obtaining a live-acid crosslinked fluid could be costly. In many cases, fully crosslinked acids were simply not necessary to retard the reaction of HCl acid with carbonates; merely viscosifying the acid provided ample retardation. In such treatments, however, much of the acid was lost as a result of leakoff...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 7–9, 2018
Paper Number: SPE-189496-MS
... Where d and L are the diameter and length of the wormholes, q is the flow rate in the wormholes and k is the overall dissolution rate depending on the mass transfer and surface transfer coefficients. Overall reaction between acid solution and formation rock can be broken into 3 steps. First...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 24–26, 2016
Paper Number: SPE-178976-MS
... ⁡ 10 ( β ) Therefore, the concentration of cations will be reduced. Dysfunctional MCDP derivatives will also be restored. The exact chemical equilibrium constant and reaction kinetics will be obtained through fitting the apparent viscosity using our reactive rheology model. The reaction...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 24–26, 2016
Paper Number: SPE-178934-MS
... zinc-case charge perforation zinc debris zinc-cased charge productivity packer cased charge Completion Installation and Operations detonation zinc cased charge compatibility cleanup Upstream Oil & Gas formation damage reaction wellbore underbalance perforation tunnel exhibition...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 24–26, 2016
Paper Number: SPE-178961-MS
... forms when larger pores grow in cross-sectional area at a rate that greatly exceeds the growth rate of smaller pores due to surface reaction. This happens when the pore growth follows a particular mechanism, which is discussed in this paper. We have developed a model to predict wormhole growth behavior...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 24–26, 2016
Paper Number: SPE-178940-MS
... selective electrode reaction treatment fluid core plug acidizing organic acid acid mud acid nh 4 free fluoride ion ammonium fluoride permeability flow in porous media Gdanski fluid dynamics HF acid Conventional mud acids have traditionally been used to remove formation damage and...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 24–26, 2016
Paper Number: SPE-179021-MS
... formulation barium carbonate excess barium sulfate barium concentration barium sulfate reaction dissolution cesium formate brine potassium formate brine Determine what levels of soluble barium and sulfate are found in cooled samples of formate brines after exposure to barium sulfate under...
Proceedings Papers

Paper presented at the SPE International Symposium and Exhibition on Formation Damage Control, February 26–28, 2014
Paper Number: SPE-168139-MS
... proportion of each brine, the water production rate, and pressure and temperature conditions all determine the scaling risk. The evaluation of the extent of reactions between the injection water (sulphate) and formation water (barium) from injection to production well can result in a significant reduction in...
Proceedings Papers

Paper presented at the SPE International Symposium and Exhibition on Formation Damage Control, February 26–28, 2014
Paper Number: SPE-168126-MS
... simulate the fluid flow through the fracture and matrix. The model is based on coupled multiphysics phenomena such as Darcy's law in porous media, reaction flow equation for the fracture and fracture growth by acid dissolution. Reaction flow in the fracture is controlled by diffusion and convection terms...
Proceedings Papers

Paper presented at the SPE International Symposium and Exhibition on Formation Damage Control, February 15–17, 2012
Paper Number: SPE-150899-MS
... The reaction rate constant was found to be very sensitive to temperature. Below 125 ° F, this reaction was very slow, but the speed above 125 ° F was very fast and quickly went to completion ( Gdanski 1999 ). The tertiary reaction between HF and aluminosilicates was reported in general form...
Proceedings Papers

Paper presented at the SPE International Symposium and Exhibition on Formation Damage Control, February 15–17, 2012
Paper Number: SPE-151781-MS
... The conjugate bases of acetic, formic and citric acids have the ability to chelate different ions such as aluminum and iron, present in organic-HF and aluminosilicates reaction solutions ( Serjeant and Dempsey 1979 , Hall and Dill 1988 , Rietjens 1998 ). The affinity of conjugate base (ligand...
Proceedings Papers

Paper presented at the SPE International Symposium and Exhibition on Formation Damage Control, February 15–17, 2012
Paper Number: SPE-150669-MS
... hydraulic fracturing elemental analysis proppant strength deionized water fracturing materials upstream oil & gas closure stress spe 150669 proppant strength hydrothermal weaver reaction formation material test cell duration formation material fracturing fluid aluminum-based...
Proceedings Papers

Paper presented at the SPE International Symposium and Exhibition on Formation Damage Control, February 15–17, 2012
Paper Number: SPE-151073-MS
... in high temperature horizontal wells. Strong acids have high corrosion rates which are difficult to inhibit at high temperature values ( Crowe et al. 1990 ). In addition, their high reaction rates with calcium carbonate result in the degradation of the filter cake at the point of acid introduction...
Proceedings Papers

Paper presented at the SPE International Symposium and Exhibition on Formation Damage Control, February 15–17, 2012
Paper Number: SPE-151815-MS
... wormholes or the length obtained from an acid fracturing treatment, diffusion coefficient values need to be estimated. This paper discusses the rheology, and reaction kinetics of emulsified acids formulated using a new emulsifier. The emulsified acid systems were prepared at 15 wt% HCl and 0.7 acid volume...
Proceedings Papers

Paper presented at the SPE International Symposium and Exhibition on Formation Damage Control, February 15–17, 2012
Paper Number: SPE-151841-MS
... Abstract Kaolinite migration is a common but often well treated formation damage mechanism. Undesired secondary reactions leading to precipitates and/or limited treatment coverage related to the presence of additional damage mechanisms are common issues. The present work documents a field case...

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