Studying the rheological properties and the influence of drag. Nuflo drag reducers are applied at a dosage of 3100 ppm. Crude oil fluidifier additive oilfield chemical products. Drag reducing agents may be used to diminish friction losses, and hence pipe diameter and capital cost, but this gain may be partly offset by the increased cost of heat exchangers due to the reduction of heat transfer by the drag reducing agent. Us7012046b2 drag reducing agent slurries having alfol. About dra and how it works liquidpower specialty products inc. Flowchem is a leading global provider of drag reducing agents dras, related support services and equipment to midstream crude oil and refined fuel.
Nuflo drag reducers reduce the loss of energy due to friction as fluid travels through the pipeline. Reduce drag in pipelines carrying crude oil, refined products, water, and multiphase liquids. Performance materials kmgs performance materials segment includes products and services for the industrial wood preservation and global pipeline and energy markets. Drag reducing agent additive to the crude oil mass compels a full understanding of complex interaction of the varying properties of different crude oil mass such as the type of crude oil asphaltic or paraffinic, etc. Flo drag reducing agents dras decrease frictional pressure loss to increase throughput and debottleneck pipelines restricted by pump capacity or operating pressure limits. Our drag reducing agent dra, an antiturbulent polymer chemical, can modify the flow regime by reducing the frictional pressure drop along the pipeline length or serve as a pipeline booster when injected into the turbulent area of a pipeline. Pipeline flow improvers, or drag reducing agents, have been utilized in the petroleum industry for many. Drag reduction dr by polymers has several industrial applications, and it has also shown to produce beneficial effects on blood circulation and may represent a way to treat cardiovascular disorders. Learn how bhge flo drag reducing agents reduce friction in pipelines carrying crude oil, refined products, water, and multiphase liquids. Case study in economic impact of using drag reducing agent on. Applications of watersoluble polymers in turbulent drag reduction. This paper presents economic analysis for impact of using drag reducing agent dra in reduction cost of oil pumping, keeping same pumping flow rate where one of the two pumps is temporary abundant. It reduces the viscosity and pour point of crude oil.
Performance of polyacrylamide as drag reduction polymer of. Boosting crude and products pipeline capacity with drag. Aug 14, 2007 a stabilized polymer drag reducing agent slurry prepared by a method comprising combining a fatty acid wax and a liquid carrier to form a dispersion. Drag reducing agents, or drag reducing polymers, are additives in pipelines that reduce turbulence in a pipe. The surfactants of different types anionic, nonionic, zwitterionic, and cationic behave in a characteristic manner in solutions. At the same time, it can reduce construction friction, the overall.
A composition is disclosed including 10 to 30 wt% alpha olefin polymer, 50 to 80 wt% vegetable oil, 0. The wormlike micelles have been studied for various type of surfactants in recently years, and new applications have been found in different areas from oil fields, drag reducing agents in district heating systems, home and personal care products to templates for asymmetric and aligned nanostructures. A drag reducing agent dra, also called drag reducer or flow improver, is a long chain polymer chemical that is used in crude oil, refined products or nonpotable water pipelines. Flowchems dra line, turboflo, maximizes the capacity of petroleum pipeline systems by reducing turbulence and friction within pipeline networks. The addition of small amounts of a drag reducing polymer allows a higher throughput or the production of fibers with a smaller diameter. This disclosure relates to drag reducing agent compositions, process for their preparation, method for. Usually used in petroleum pipelines, they increase the pipeline capacity by reducing.
Iofs drag reducing agents form part of our extensive oilfield chemicals range. Flowchem industries light to medium crude flowchem dra. The effect of diesel flow improver depends not only on the performance of the product itself, but also on the composition of diesel oil. Three different polysaccharides, aloe vera, tamarind powder and pineapple fibers, are utilized as drag reducing agents in a turbulent flow. The use of drag reducing agents dra in multiphase pipeline is of great. In one embodiment, drag reducing agent composition is to include polyacrylamide a and the silicon polyethers b solid. Here are some of the many advantages of omni dra2008 over traditional drag reducing agents. Qflo drag reducer chemical supplier and application specialists drag reducing agents dra or drag reducers dr are chemical agents used to reduce frictional pressure loss caused by turbulence in pipelines. Desirably, the drag reducing composition should exhibit minimum foaming if the need arises for agitation. The effect of sodium hydroxide on drag reduction using a. Kind of a drag boosting crude and products pipeline. Chemicals used in crude oil production and impact for.
Crude oil flow improvers cofi market by type, application. Dragreducing agents dra, or dragreducing polymers drps, are additives in pipelines that reduce turbulence in a pipe. Pdf in this paper, recent work on drag reducing agents in single and multiphase. Effect of dragreducing agents in multiphase, oilgas horizontal. Crude oil drag reducing agents additives oilfield chemical.
Chemicals used in crude oil production and impact for imported crudes version. A composition including a polyalphaolefin and at least one alfol alcohol that function as drag reducing agent slurries and a process for the preparation of the drag reducing agent slurries are disclosed. Global drag reducing agent market 2019 by manufacturers. Studying the rheological properties and the influence of. Liquidsolid drag reduction composition or process of. Jun 12, 2014 drag reducing agents for oil and syntheticbased fluids. The process includes contacting alpha olefin monomers with a catalyst in a reactant mixture to form a polyalphaolefin. The component a of the aqueous drag reducing agent composition of the present. Drag reducing agent additive to the crude oil mass modifies the thixotropic. High molecular weight hydrocarbon polymer this is the active ingredient, typically a polyolefin carrier solvents typical examples include simple hydrocarbon solvents, ethers, alcohols, water. Drag reducing agent, drag reducing agent suppliers directory find variety drag reducing agent suppliers, manufacturers, companies from around the world at deformer agent,import export agents china,sourcing agent, adsorbent. In one embodiment, a concentration of 1%9% of the component b of drag reducing agent composition. The typical cost to use our drag reducer is pennies per barrel per pipeline segment. Drag reducing composition and method belknap corporation.
Flow drag in pipes can be reduced by adding a small amount of high molecular polymer. Oct 25, 2015 drag reducing agents, or drag reducing polymers, are additives in pipelines that reduce turbulence in a pipe. Process of preparation of drag reducing polymers and usage. Key challenges dra chemistry and product composition dra fate testing summary and conclusions dra is a drag reducing agent baker hughes incorporated provides bestinclass products and. Drag reducing agent an overview sciencedirect topics. Flowchem is a leading supplier of drag reducing additives dra to optimize the flow and throughput of pipeline systems in onshore and offshore pipeline networks. Wo2015048373a1 drag reducing agent composition, process. Flo drag reducing agents baker hughes, a ge company. Composition of and process for forming polyalphaolefin. This disclosure relates to drag reducing agent compositions, process for their preparation, method for reducing drag of hydrocarbon flowing and uses of the composition. Drag reduction of water system is a kind of advanced slippery water system, with good property of good water solubility, easily to prepare, salt antibacterial, non crosslinked sand carrying, the maneuverability, can realize a quick solution, flowback fluid recyclable reuse, meet the tight gas reservoir reconstruction needs.
A wide variety of drag reducing agent options are available to you, there are 154 suppliers who sells drag reducing agent on, mainly located in asia. Drag reduction by polymers in saline nutrient solutions. The influence of polyacrylamide pam as drag reducing polymer on flow of iraqi crude oil in pipe lines was investigated in the present work. Drag reduction agent,drag reduction agent manufacturer and. As a flow improver specialist, flowchem is dedicated to delivering the most cost effective dra solutions in the industry. By injecting drag reducing agents into the buffer zone within a pipe or conduit a reduction in turbulence can be achieved. Cn105229112b include the drag reducing agent composition.
Drag reducing agent applied in significantly smaller dosages of 0. Fluidifier and drag reducing agent for difficult cases in which there is a very high kinematic viscosity and the components of the crude oil are very heavy. Us patent application for drag reducing compositions and. D78722018 standard test method for determining the concentration of pipeline drag reducer additive in aviation turbine fuels chemical concentration pipelines rotary evaporators detection limit drag reducer additive. The first application of drag reducers was the use of guar in. The composition is stable in order to prevent separation of the compositions. The dosage that will optimize flow in a pipeline is dependent on a number of factors, including petroleum composition and viscosity, pipeline diameter and condition, fluid velocity, and temperature. Housley carr the capacity of a pipeline built to transport crude oil or refined products is often thought to be tied only to the pipes diameter and pumps, as well as the viscosity of the hydrocarbon flowing through it. Increasing pipeline deliveries of heavy crude oil laura thomas cspi sales lead, americas tim burden senior engineer, cspi technology conocophillips specialty products inc. From fundamentals to engineering applications article in journal of petroleum science and engineering 161 november 2017 with 245 reads. Increase pipeline throughput and reduce frictional pressure. The accumulation of the injected synthetic drag reducing agent dra in the formation causes pollution because of its. As used herein, the terms polyalphaolefin drag reducing agent and drag reducing agent refers to the finished product, a composition that may include the entire polymerization mixture, which may advantageously be introduced directly in a pipeline or other conduit for reducing drag.
Qflo drag reducing agent chemical supplier and support. The present invention provides a kind of drag reducing agent composition for water fluid herein, and the composition includes a ionic polyacrylamide and b silicon polyethers. Us patent for drag reducing compositions and methods of. The invention relates to a concentrated, nonagglomerating, soluble and compatible drag reducing agent composition. These materials are useful to reduce drag in hydrocarbon fluids and multiphase fluids of hydrocarbons and water. The composition is suitable for use in subsea applications. The polymers within the drag reducing agent absorb energy and turbulent bursts, reducing subsequent pipeline turbulence and avoiding wasted energy. Drag reduction in transportation of hydrocarbon liquids. Although drag reduction by polymers has become common practice for the pipeline transport of crude oil, drag reduction by surfactants for district heating or cooling has so far been applied only in japan.
Drag reducing agent additive to the crude oil mass modifies the thixotropic characteristics of the crude oil mass to achieve a more favorable kinematic viscosity without altering the initial composition of the crude oil mass. The effect additive concentration, pipe diameter, solution flow rate and the presence of radius elbows on the percentage of drag reduction %dr and the amount of flow increases %fi were the variables of study. Standard test method for determining the concentration of. A drag reducing composition comprising a finely divided, solid polyolefin friction reducing agent formed from olefins containing from 2 to 30. Drag reducing agents market global industry analysis.
The effect of additive type, additive concentration, pipe diameter, solution flow rate, and the presence of elbows on the percentage of drag reduction %dr and the amount of flow increases %fi was addressed. One controversial interpretation of these experiments is that polymers do not. Coconut residue as biopolymer drag reducer agent in water injection system. Us7288506b2 aluminum carboxylate drag reducers for. This provides much longer and farther reaching benefits to help reduce system. Our wood treating chemicals business provides performance products for preserving essential wood infrastructure, such as utility poles and crossarms, in the electric utility and telecommunications markets. Aluminum carboxylate drag reducing agents are described herein. The top countries of suppliers are russian federation, china, and azerbaijan, from which the percentage of drag reducing agent supply is 1%, 94%, and 1% respectively. At a low temperature the drag reducing agent will tend to cluster together. Drag reducing agent does not evaporate because it incorporates into crude oil mass. Omni dra2008 molecules are shear stable and return to their original structure very quickly when high shear like in pipeline pumps does occur. Studying the effect of some surfactants on drag reduction. A drag reducing agent composition obtainable using the process according to this disclosure and the use of the composition according to this disclosure or obtainable by the process according to this disclosure for drag reduction in subsea oil production are also within the scope of this disclosure.
The effect of sodium hydroxide on drag reduction using a biopolymer. Resistance to the adoption of this approach by the rest of the world is based on environmental concerns and the reduced capacity of heat exchangers that are all designed for turbulent flow. Hh3300 diesel pour point depressant drag reduction agent. This problem can be solved easier than degradation though, by adding another chemical, such as aluminum to help lower the drag reducing agents attraction to one another. The performance of this polymer was investigated in the presence of six surfactants respectively alcohol ethoxylate referred to as alfonic 14129 and alfonic 14123 which are nonionic, aromox dmc nonionic.
A drag reducing composition comprising a finely divided, solid polyolefin friction reducing agent formed from olefins containing from 2 to 30 carbon atoms, the polyolefin drag reducing agent suspended in a suspending medium and comprising 2,2,4trimethyl1,3pentanediol monoisobutyrate containing up to 10% by weight of water. Flow improver solutions drag reduction mechanism laminar sublayer buffer. Dna, a long polymer made from repeating nucleotide units, carries the genetic instructions for. Flowchem provides flow consultation and turnkey solutions for pipeline applications worldwide. Drag reducing agents allow higher throughput without additional pumps and allows earlier rampdown of pump stations as throughput declines. This agitation can result in excessive foaming necessitating the use of foamsuppressing agents. To access the remainder of kind of a drag boosting crude and products pipeline capacity with drag reducing agents you must be logged as a rbn backstage pass subscriber. Stabilized polymer drag reducing agent slurries baker. The experimental data submitted in the course of proceedings before the board, show that the problem is indeed solved by this proposal. Effect of chemical additive on crude oil pipeline pressure. Drag reducing agents how is drag reducing agents abbreviated.
In this regard, if the drag reducing composition has settled, agitation will be necessary to redisperse the polymer particles. Pipeline performance kmgs pipeline performance business is dedicated to providing highperformance products and services that optimize pipeline efficiency, lower operating costs and enhance safety for the global pipeline and energy market. This problem can be solved easier than degradation though, by adding another chemical, such as aluminum to help lower the drag reducing agent s attraction to one another. This product has strong sensitivity and selectivity to oil products, so it needs to be tested before use to determine the formulation scheme, and then be used formally. The use of dra in crude oil coqa meeting june 10, 2010. No injection probes or other special equipment is expected to be required to introduce the drag reducing agent into the liquid stream. Investigations on drag reduction by interactions between. Drag reducing agent suppliers, all quality drag reducing. Surfactants are the focus of this research because they were used as a drag reduction agent. The term hydrodynamic drag reducing efficiency is a measure of the percent increase in the flow rate of treated water which contains the hydrodynamic drag reducing agent relative to the flow rate of untreated water lacking the hydrodynamic drag reducing agent. With a decreasing pipe diameter, the drag reduction is increased. The results showed that this drag reducing agent dra has great effects on the pressure drop and fanning factor.
Kind of a drag boosting crude and products pipeline capacity with drag reducing agents wednesday, 01182017 published by. A method of preparing and using a dragreducing composition in a well treatment operation includes the step of preparing the dragreducing composition by mixing a polymer emulsion that includes a first surfactant and a first solvent, with a second surfactant and a second solvent. A unique database of pipeline knowledge for your reference and research purposes. Usually used in petroleum pipelines, they increase the pipeline capacity by reducing turbulence and therefore allowing the oil to flow more efficiently 1. Drag reducing agent at best price in dongying, shandong.
Recent trends and future needs article pdf available in petroleum science and technology 231112 february 2005 with 3,865 reads. By establishing a more linear flow pattern within a pipeline, turbloflo dra reduces. It is known that fluids behave differently within st and ct. Composition the hydrocarbons in crude oil are mostly alkanes paraffins, cycloalkanes naphthenes and various aromatic hydrocarbons while the other organic compounds contain nitrogen, oxygen and sulfur, and trace amounts of metals such as iron, nickel, copper and vanadium.
Apr 02, 2020 this is the open ptc abstract and paper database with presentations from 14 years of pipeline technology conference. Studying the effect of some surfactants on drag reduction of. Concerning medical applications, there are basically two types of studies using drag reducing polymers drp, i. Ep2853801a1 drag reducing agent composition, process for. The coagulant extracts the solvent from the polymer, resulting in the formation of the polymer fiber 24. Drag reducer selection for oil pipeline based laboratory experiment. In this study the effect of the presence of a drag reducing agent dra on the pressure drop in. It is injected in small amounts parts per million and is used to reduce the frictional pressure drop along the pipelines length. The drag reducing agent used in this study is a high molecular weight poly alpha olefin prepared by emulsion polymerization technique and supplied under trade name of lp111. The drag reduction phenomenon under turbulent flow in st has been studied extensively, whereas little information on drag reducing fluids flowing through ct exists. We are engaged in manufacturing and supplying the drag reducing agent in dongying, shandong, china. Drag reducing agents 15th pipeline technology conference. The drag reducing additives of the invention are not subject to shear degradation. About dra and how it works drag reducers, also known as drag reducing agents dra and flow improvers, are any material that reduces frictional pressure loss during fluid flow in a conduit or pipeline.
Drag reducing compositions and methods of manufacture and use. Several types of additives cause drag reducing phenomena to occur. The compositions consists of an aluminum carboxylate and fatty acids. Viscoelastic wormlike micelles and their applications. Both samples then tested using three drag reducing agents with undisclosed composition. A one megawatt diesel engine is used to generate necessary power for motors run the two pumps. The chemical was extremely sensitive to ambient temperature, with viscosity varying from 500 2000 centipoise 5 20 poise. An experimental study has been carried out in a 36m long, 10 cm.
Standard fluidifier and drag reducing agent of the crude oil mass for normal application to be added to crude oil in wells or pipelines. In addition to drag reducing agents, another group of chemicals called. Full access to the rbn energy blog archive which includes any posting more than 5 days old is available only to rbn backstage pass subscribers. Drag reducing agent compositions disclosed herein have good drag reducing properties and meet the criteria required in subsea production where the injection pipelines are long and narrow, back pressure high, and ambient temperature varies. Flowchem is a leading supplier of drag reducing agents dra, or flow improvers, which optimize pipeline flow, increase throughput capacity and maximize overall profitability of pipeline operations. Kind of a drag how dras are changing the economics of. Ep2853801a1 drag reducing agent composition, process for its. Composition of drag reducer products commercial drag reducers for crude pipelines contain. The influence of sdbs, sls, sles, and ss as drag reducing agents on flow of iraqi crude oil in pipelines was investigated in the present work. It can improve the flow properties of crude oil under low temperature. In pipeline rules of thumb handbook eighth edition, 2014. Regional outlook global demand for drag reducing agents market is expected to rise at a healthy pace due to the increase in oil exploration activities. Drag reducing agents can be added in pipelines to improve flow.
Housley carr the ability to increase the capacity of existing and planned crude oil pipelines with minimal capital expense has genuine appeal to midstream companies, producers and shippers alike. This is the process of fluidification by molecular dispersion. Kind of a drag how dras are changing the economics of pipeline takeaway capacity monday, 03202017 published by. These drag reducing fluids include polymers, surfactants, and fibers. Drag reducing compositions and methods of manufacture and. Some drag reduction appears even before significant amounts of additive have had time to diffuse to the wall. Drag reducing agent is made of a variety of polymers and surfactants with good solubility in crude oil. The drag reducing agent composition as claimed in claim 15, for use as drag reduction in pipeline.
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