Olagoke Olabisi

Olagoke Olabisi
Infra-Tech Consulting LLC · Consulting

PhD

About

97
Publications
71,768
Reads
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2,504
Citations
Citations since 2016
5 Research Items
279 Citations
201620172018201920202021202201020304050
201620172018201920202021202201020304050
201620172018201920202021202201020304050
201620172018201920202021202201020304050
Additional affiliations
April 2015 - present
Infra-Tech Consulting LLC
Position
  • Chief Consultant & CEO
Description
  • Corrosion & Polymers
November 2005 - March 2015
Corrpro (a subsidiary of Aegion).
Position
  • Director
Description
  • Director, Internal Corrosion Engineering
November 1996 - December 2003
Saudi Aramco
Position
  • Consulting Specialist
Description
  • Corrosion & Polymers

Publications

Publications (97)
Article
Full-text available
Microbiologically influenced corrosion is the degradation of a material under the influence of environmental factors complicated by the metabolic activities of microorganisms. Microbiological attack on process equipment used in the petroleum industry results in increased operating expenses and reduced income. This article discusses treatment option...
Article
Full-text available
The causative circumstances for internal corrosion, external corrosion, and stress corrosion cracking phenomena may be dissimilar; but the forms of corrosion are essentially invariant. Inspection and monitoring are the two key processes by which pipeline corrosion can be detected, although online corrosion monitoring, whether using electronic probe...
Article
Full-text available
Microbiologically influenced corrosion is the degradation of a material under the influence of environmental factors complicated by the metabolic activities of microorganisms. Microbiological attack on process equipment used in the petroleum industry results in increased operating expenses and reduced income.
Presentation
Full-text available
Online Corrosion Monitoring (pipeline OCM) devices are equipped with Access Fittings (AFs), which enable on-stream corrosion assessment of fluids under high production pressure in oil & gas operation. AFs are precision fabricated components, usually made of bare carbon steel, that are attached to pipelines and process vessels by welding. Following...
Article
Full-text available
Corrosion products such as iron sulfides, iron oxides, and iron carbonates are the major constituents of black powder observed in the export gas handling facilities of Kuwait Oil Co. Acid gases, such as hydrogen sulfide (H2S) and carbon dioxide (CO2) together with oxygen (O2), are benign in dry gas but highly corrosive when dissolved in water, eith...
Book
Full-text available
The Handbook of Thermoplastics, Second Edition is an authoritative source for a worldwide audience in industry, academia, government, and nongovernment organizations. It is indispensable for experienced and practicing professionals, namely: polymer, plastics, chemical, industrial, mechanical, electrical and electronics, design, manufacturing, autom...
Chapter
Full-text available
Conference Paper
Full-text available
Consider a crude oil handling system, with various degrees of water separation/accumulation, which has been experiencing increased corrosion over a period of time. If the trend of increasing corrosion rate versus time parallels the corresponding trend of water separation/accumulation as well as bacteria population density over that same period of t...
Conference Paper
Full-text available
One of the major challenges that face our national oil company is microbiologically influenced corrosion (MIC). In spite of biocide treatment in the facilities, the serial dilution results continue to confirm a high proliferation of sessile and planktonic bacteria in all the water handling systems. Planktonic and sessile samples from different gath...
Conference Paper
Full-text available
Consider a crude oil handling system, with various degrees of water separation/accumulation, which has been experiencing increased corrosion over a period of time. If the trend of increasing corrosion rate versus time parallels the corresponding trend of water separation/accumulation as well as bacteria population density over that same period of t...
Presentation
Full-text available
In the oil & gas industry, key performance indicators (KPI) are used to track the efficiency of the prevailing corrosion risk management strategy for the preservation of pipeline integrity. This includes the integration of corrosion monitoring, process monitoring, inspection, mitigation, environmental control, and materials management. At Kuwait Oi...
Conference Paper
Full-text available
Key performance indicators are used to track the efficiency of the prevailing corrosion risk management strategy, namely, the integration of corrosion, process monitoring, inspection, mitigation, environmental control, and materials management. In an earlier paper1, a methodology was outlined for the use of a single key performance indicator, namel...
Article
Full-text available
Corrosion management is the systematic application of policies, practices, and resources to control corrosion and provide reliable safeguards against unexpected failures and leaks that can jeopardize mechanical integrity, operation, health, safety and environment. This paper highlights the use of a single key performance indicator in tracking monit...
Presentation
Full-text available
Bacteria population density may provide a viable corrosion control metric for microbiologically influenced corrosion (MIC) in oilfield water handling systems. This could ensure that the population of sulfate reducing bacteria (SRB), acid producing bacteria (APB), general aerobic bacteria (GAB), and general anaerobic bacteria (GAnB) in the operating...
Conference Paper
Full-text available
Bacteria population density may provide a viable corrosion control metric for microbiologically influenced corrosion (MIC) in oilfield water handling systems so that the population of the different strains of bacteria such as sulfate reducing bacteria (SRB), acid producing bacteria (APB) [also classified as general aerobic bacteria (GAB)] and gener...
Conference Paper
Full-text available
Corrosion/erosion management for an operation is the systematic application of policies, practices, and resources to control corrosion/erosion and provide reliable safeguards against unexpected failures and leaks that can jeopardize mechanical integrity, operation, health, safety and environment (HSE). This paper highlights the use of a single key...
Book
Full-text available
Polymer–Polymer Miscibility discusses miscibility of polymeric mixtures. This book explains the theoretical and practical aspects of polymer miscibility, which has become a considerable area of research in many academic and industrial laboratories. Comprised of seven chapters, this book starts with an overview of the physical nature of the variatio...
Article
Full-text available
A research project was sponsored by the US Department of Transportation Pipeline & Hazardous Materials Safety Administration (PHMSA) for the external corrosion direct assessment (ECDA) process for buried pipelines. The study was conducted to determine the applicability of existing and emerging technologies to assess buried pipelines for external co...
Article
Full-text available
The U. S. Department of Transportation (DOT) Pipeline & Harzadous Materials Safety Administration (PHMSA) sponsored a research project for improvements to the external corrosion direct assessment (ECDA) process. Part 1 of this article covers ECDA of cased pipe. Part 2 (April 2011 MP) will cover severity ranking and potential measurements in paved a...
Conference Paper
Full-text available
The Pipeline & Hazardous Materials Safety Administration (PHMSA) of the U.S. government sponsored a research project for Improvements to the External Corrosion Direct Assessment (ECDA) Process. It is a three-part project which addresses methodologies for Cased Pipe, Severity Ranking of indirect inspection (IDI) indications and potential measurement...
Conference Paper
Full-text available
This paper highlights a PHMSA-sponsored research project directed toward enhancing external corrosion direct assessment (ECDA) classification and prioritization for effective direct examinations. With ECDA, indirect inspections (IDI) techniques are used at grade to identify areas where external corrosion activity may have occurred, may be occurring...
Conference Paper
Full-text available
This paper highlights a PHMSA-sponsored research directed toward enhancing pipe potential measurements in paved areas. The scope includes asphalt, concrete and gravel paving. Close interval DC pipe-to-soil potential measurements, DCVG coating evaluation procedures, and ACVG coating evaluation procedures are addressed. The 2-year research endeavor i...
Conference Paper
Full-text available
This paper highlights an ongoing PHMSA-sponsored research project directed toward developing an External Corrosion Direct Assessment (ECDA) methodology for segments of pipelines that are cased in metallic casings below ground. The paper addresses cased pipe assessment technologies, results of research and testing for applying ECDA methodologies to...
Article
Full-text available
This technical paper presents a comparative study of the fatigue strength of high-pressure composite pipes and high-pressure composite pipes containing joints. The test specimens used in this experimental investigation were exposed to cyclic bending stresses and to cyclic bending stresses in combination with constant or cyclic internal pressures ge...
Conference Paper
Full-text available
In this technical paper is presented a comparative study of the fatigue strength of high-pressure composite pipes and high-pressure composite pipes containing joints. The test specimens used in this experimental investigation were exposed to cyclic bending stresses and to cyclic bending stresses in combination with constant or cyclic internal press...
Article
Full-text available
The year 2002 pipeline replacement program at Southern Area Oil Operation (SAOO) consisted of replacing the following carbon steel pipelines with reinforced thermoplastic pipe (RTP): two trunklines, one flowline and one water-injection lateral. This is primarily because RTP technology is an engineered solution for the piping systems operating in a...
Article
Full-text available
In oil fields where corrosion inhibition is unsustainable, a key thrust in Saudi Aramco is to identify alternative cost-effective composite piping technology for high-pressure, off-plot wet crude oil service. One such find was the steel strip laminate (SSL). In January 2001, an SSL piping system was installed and placed in full-fledged wet crudeoil...
Article
Full-text available
CPVC pipe fittings are tested under fatigue loading at 24, 50, and 70°C. Special fixtures are designed to simulate internal pressure in the couplings. Fatigue crack initiation and propagation in the weld zone are studied. Results show that the initiation period is limited to less than 10% of the fatigue life. This is mainly due to the knit-line V-n...
Conference Paper
Full-text available
External protection of buried pipelines carrying high temperature products is a great concern to Saudi Aramco. Fusion bonded epoxy coatings have failed after approximately 5 years in service on high temperature gas pipelines. The coating failures were sufficient to require costly coating renovation to ensure adequate external protection. An economi...
Patent
Full-text available
A catalyst and a process are provided for oligomerizing ethylene. A heterogeneous catalyst system comprises: (1) a chelating ligand, preferably 2-diphenyl phosphino benzoic acid (DPPBA); (2) a nickel precursor, preferably nickel chloride hexahydrate (NiCl.sub.2.6H.sub.2 O); (3) a catalyst activator, preferably sodium tetraphenylborate (NaBPh.sub.4)...
Article
Full-text available
CPVC pipe fittings are tested under fatigue loading at 24, 50, and 70°C. Special fixtures are designed to simulate internal pressure in the couplings. Fatigue crack initiation and propagation in the weld zone are studied. Results show that the initiation period is limited to less than 10% of the fatigue life. This is mainly due to the knit-line V-n...
Article
Full-text available
Nonmetallic materials are assuming enabling roles in the exploration and production industry, onshore and offshore, oil, gas, product and water services. Life-cycle cost reduction of up to 45% and significant technical benefits are the twin driving forces responsible for the resurgence of nonmetallic pipes, gratings, tanks and vessels. Of particula...
Article
Full-text available
The global thermoplastics industry is made up of 74% commodity resins, one-third of which is accounted for by polyethylene alone [1]. It was only in 1933 that polyethylene was discovered by Fawcett and Gibson [2] and it was not until 1953 that Karl Ziegler [3–5], Guilio Natta [6–8], and Paul Hogen [9] discovered the revolutionary first-generation Z...
Book
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Chapter
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Chapter
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The field of polymers, like that of electronic computers or satellite communications, is a child of the merging of the scientific revolution and the technological revolution; a 20th century phenomenon. This paper reviews the 20th century scientific and technological revolution in polymers and attempts a glimpse into the future of thermoplastics bey...
Article
Full-text available
A "stick-slip" mixed boundary model is postulated to support the mechanism of transition from no-slip to slip at the polymer/die interface during capillary etrusion of polymeric materials at and above a critical shear rate at a fixed through-put. The predicted shear stress singularity explains the occurrence of grass extrudate distortion known as m...
Conference Paper
Full-text available
The full story of the development of the plastics technology and the plastics industry worldwide would fill several volumes, it is sufficient to say that the industry has grwon into a dynamic force which now contributes about 10% of the Gross National Products (GNP) of the industrialized countries. In 1979, for the first time, the production of syn...
Conference Paper
Full-text available
Over the past eight years, the concept of 'Integrated Rural Development' has gained currency in the nation. What started in Lagos State as Integrated Rural Development Programme in 1979 has metamorphosed into a full-fledged Direcorate of Rural Development by 1986. The theme chosen for our delibration, namely, 'The Implementation Strategy for Rural...
Conference Paper
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Article
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The structural web (SW) molded article comprises an integral body of plastic material having an outer strong enveloping exterior skin, a continuous hollow center within which is a plurality of integral skin-connecting webs projecting from the interior of the side wall into the hollow center. These webs connect and support portions of the major sect...
Article
Full-text available
A unique thermoplastic molding process permits molding of structural part composed of solid integral skin and a core, which contains a continuous air space and randomly placed rib-like webs of solid material. The name structural web has been adopted because of the configuration of the product. The process exploits the hydrodynamic instability of vi...
Article
Full-text available
Several parameters affecting the metering accuracy in reaction injection molding (RIM) are identified and their effects evaluated on a laboratory-scale machine (mini-RIM HP-6. Polyurethane Technology of America). The experimental results show that the delay time must be greater than a critical value in order for the system pressure to attain the st...
Chapter
Full-text available
Polyblends are mixtures of structurally different homopolymers, copolymers, terpolymers, and the like. The copolymers, terpolymers, etc. may be random, alternating, graft, block, starlike, or comblike, as long as the constituent materials exist at the polymeric level.
Article
Full-text available
For practical purposes, a miscible polymer mixture is defined as a stable homogeneous mixture which exhibits macroscopic properties expected of a single-phase material. Homogeneity in this case is not defined in terms of electron microscopic evidence inasmuch as heterogeneous structures (domains) have been observed even in amorphous homopolymers (e...
Patent
Full-text available
A process is disclosed for molding a foamed thermoplastic article characterized by a foamed core, a non-foamed exterior shell and a surface that reproducibly and faithfully replicates a predetermined portion of the inner surface of the mold in which the article is made, wherein a foamable mixture comprising molten thermoplasticmaterial and blowing...
Patent
Full-text available
PROCESS FOR THE MOLDING OF PLASTIC STRUCTURAL WEB AND THE RESULTING ARTICLES ABSTRACT Process and resulting article are disclosed wherein plastic material is passed into a mold cavity; pressurizing fluid is injected into the plastic material under controlled pressure and at a ... ... http://patent.ipexl.com/inventor/Olabisi_Olagoke_1.html
Patent
Full-text available
Process and resulting article are disclosed wherein plastic material is passed into a mold cavity; pressurizing fluid is injected into the plastic material under controlled pressure and at a controlled rate to cause the plastic material to flow out and assume the contour of the cavity, the gas pressure being maintained until the plastic material is...
Patent
Full-text available
Process and resulting article are disclosed wherein plastic material is passed into a mold cavity; pressurizing fluid is injected into the plastic material under controlled pressure and at a controlled rate to cause the plastic material to flow out and assume the contour of the cavity, the gas pressure being maintained until the plastic material is...
Article
Full-text available
This series provides a comprehensive survey and a detailed listing of known polymer blends with citations from technical literature. Part ll covers cellulosics, polyvinyl acetate, vinyl acetate copolymers, thermoplastics polyesters, polyethers, polyamides, and unsaturated hydrocarbon-based polymers (elastomers).
Article
This article is the first of a 2-part publications that provide a comprehensive survey and a detailed listing of known polymer blends with citations from technical literature.
Patent
Full-text available
Process and resulting article are disclosed wherein plastic material is passed into a mold cavity; pressurizing fluid is injected into the plastic material under controlled pressure and at a controlled rate to cause the plastic material to flow out and assume the contour of the cavity, the gas pressure being maintained until the plastic material is...
Chapter
Full-text available
The polymer compatibilization concept is to modify advantageously the mechanical properties of a normally incompatible mixture by the addition of a suitable compatibilizing agent consisting usually of a block or graft copolymer. These interpolymers act as interfacial bridges between the components in the mixture. In this work, the 'compatibilizatio...
Article
Full-text available
The equilibrium volatilities and solvent–polymer interaction indices are measured for 23 solvents in molten polysulfone. On the basis of the results, the solvents are ranked in the order of their effectiveness: phenol, pyridine, N-methylpyrrolidone, dimethylacetamide, methylene chloride, cyclohexanone, chlorobenzene, dimethylformamide, fluorobenzen...
Article
Full-text available
An explicit reduced equation of state is developed by combining results of the hole'theory with a semitheoretical expression for the temperature dependence of the reduced Tait parameter B̃ which is found to be in good agreement with experiment. This approach circumvents the implicit character of the theoretical equations.Two procedures are explored...