School of Egineering and Engineering Technology

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Open Access
Measurement of the best Z-factor correlation using gas well Inflow performance data in Niger-Delta
(Research India Publications, 2017) Okoro, Emeka Emmanuel; Dike, Honfre; Igwilo, Kevin C.; Mamudu, Angela
Gas compressibility has a long and important history for gas industries. The use of z-factor in real gas analysis is unavoidable; hence study of the effects of different z-factor correlations against real life data was carried out. This research establishes the need and a solution for a simple, robust and flexible technique requiring the use of different z-factor correlations. The most common sources of z-factor values are experimental measurement, equations of state method and empirical correlations. Necessity arises when there is no available experimental data for the required composition, pressure and temperature conditions. Presented here is a technique to predict z-factor values using Gas Well Inflow Performance data. The three gas correlations under study are Hall and Yarborough, Dranchuk, Abu and Kassem and Dranchuk, Purvis and Robbinson. The interest of the research was to show the best Z-Factor correlation for Niger Delta. The method or approach used was to review existing models, developed a computer program to evaluate numerically the three correlations and the best correlation is shown by running a statistical absolute average error for each of the calculated gas well performance against the history inflow performance data. Based on the study analysis performed using the Niger-Delta, the Hall and Yarborough is ranked first, followed by Dranchukpurvis-Robbinson, while Dranchuk-Abu-Kaseem is recorded the last in the ranking model. Based on this study, it is recommended that the Hall and Yarborough gas deviation model is the best model for Niger Delta.
Open Access
Offshore gas well flow and orifice metering system: An overview
(U. P., 2017-12-18) Okoro, Emeka E.; Igwilo, Kevin; Mamudu, Angela; Onuh, Charles; Ekeinde, Bose Evelyn
This research presents a concise account of offshore surface well test from objective, organization, to practical approach and in relation to orifice metering system of natural gas; against the perspective of regulatory standards. With reference to reliability, availability, affordability and including control measures governing the design, the orifice meter sometimes called a head loss flow meter is chosen most often because of its reputation in the oil and gas industry. Alternative metering system of natural gas, including robust and cost effective innovations within the industry which addressed some key limitations of orifice meter was examined. The advanced flow computer with transducers suited for orifice measurement installations is a cost effective electronic flow real time measurement system. It has telemetry features and improved accuracy under fluctuating flow conditions based on functional differential pressure root mean squared volume calculation principles. These new developments and their capabilities have reduced the market share of the mechanical orifice chart meters. Except that Electronic flow meters has environmental limitations; thus, the proven mechanical orifice metering systems are still an effective solution for many flow measurement applications.
Open Access
Gas process system emepirical tool for predicting hydrate formation
(U. P., 2018) Okoro, Emeka Emmanuel; Ekeinde, Evelyn Bose; Igwilo, Kevin; Dosunmu, Adewale
The rapid formation of gas hydrates, promoted by typical high pressure/ low temperature operating conditions in deep water installations, is considered one of the most difficult problems with flow assurance. Understanding the conditions for the formation of hydrates is necessary to overcome the problems associated with hydrates. Ideally, the conditions for the formation of gas hydrates are determined experimentally in the laboratory; but this data is not always available. Therefore, correlation is used to determine the conditions for gas hydrate formation. Several models have been proposed that require more complex and longer computations to predict the conditions for the formation of gas hydrate over the years. In this study, it is crucial to develop a reliable and easy-touse method for oil and gas practitioners’. The proposed correlation extends over a wide range of pressure (2000 to 25000kPa) and molecular weights (16 to 27). Consistent and accurate results of the proposed pressure range, temperature, and molecular weight are presented. Statistical error analysis is used to appraise the efficiency and accuracy of the correlation coefficient for estimating the formation of gas hydrate. This will guide designer and operator to select the optimal correlation for a particular application.
Open Access
Well productivity enhancement using matrix acidizing-A Niger Delta case study
(UP, 2015) Ohia, Nnaemeka; Igwilo, K; Duru, U
As a result of the rapid reduction in productivity of well B14, south west of the Niger Delta region, the need to investigate the cause of the damage was initiated. When it was identified fine migration as the major cause of the production decline, acid stimulation was recommended as the mitigation strategy. Acid (matrix) stimulation practice involves the pumping of acid into the formation through the wellbore at the rates and pressures below the fracture gradient of the formation. Conventionally, hydrochloric acid (HCL) is used for carbonate formations while hydrofluoric acid (HF)/ mud acid (HCL +HF) is best suited for sandstone formations. Also, in a very high damaged formation and very high temperature environment that requires prolong contact of the HCL acid with the teel pipe, due to the severe corrosion that will occur, organic acids are more suitable. In stimulating this well, mud acid was used and the well was stimulated using organic mud acid or organic clay acid. Stimulating this well led to a total incremental production gain of over 485 BOPD (150% gain) however a corresponding reduction in skin was not observed This paper reviews and highlights the operational best practices as utilized in this project as well as the potential cause for an increase in skin even after a stimulation job.
Open Access
Environmentally friendly fluid loss control agent in water-based mud for oil and gas drilling operations
(Research India Publications, 2017) Onuh, C. Y.; Igwilo, K. C.; Anawe, P. A. L.; Daramola, Olakunle; Ogunwomoju, Omotoke
The fluid loss properties of mud formulated with concentrations of coconut shell and/or corncobs was studied. This study is focused on formulating water based drilling mud using corn cobs and coconut shell as additives in improving the performance of the mud. The additives were varied in different concentrations and its impact were evaluated on the filtration properties using low pressure low temperature (LPLT) filter press at 90 °C and 100 psi. The result of the formulated mud with corn cobs and coconut shell additives were compared to that of the mud containing corn cobs alone, coconut shell alone, and without any of the additives. The results showed that the combination of corn cobs and coconut shell reveals a lower filtrate volume than individual coconut shell and corncobs. However, Corn cobs is a better fluid loss control agent than the coconut shell.
Open Access
Mathematical model for time of Leak estimation in natural gas pipeline
(Science Publishing Group, 2019) Obibuike, Ubanozie Julian; Ekwueme, Stanley Toochukwu; Ohia, Nnaemeka Princewil; Igbojionu, Anthony Chemazu; Igwilo, Kevin Chinwuba; Kerunwa, Anthony
The ability to detect leak is crucial in pipeline fluid transport operations. Leaks will inevitably occur in pipelines due to wide range of uncertainties. A good leak detection system should not only be able to detect leak but also accurately estimate the actual time of leak occurrence. This will enable proper estimation of the fluid loss, from the pipeline before shut-in of the pipeline or before remedial actions were carried out on the pipeline which ultimately will help quantified the degree of financial or environmental implications resulting from the leak incidence. This paper gives a new model for the estimation of the time of leak in natural gas pipeline. The idea for the model hinges on the notion that the time of response of most pipeline alarm are not necessarily the time actual time the leak occurred. Period of lapse depends on the accuracy, sophistication of the alarm system and volume of leak it is capable of detecting. Most alarm systems respond at later times than the time the leak occurred. Quantification of fluid loss volume demands that the actual time of leak occurrence be determined, this means that the time the leak occurred must be calculated accurately. The model was simulated using the Matlab software. The results show that the model is highly accurate when tested with field data
Open Access
Challenges and Prospects of Converting Nigeria Illegal Refineries to Modular Refineries
(2019) Mamudu Angela; Okoro Emeka; Igwilo Kevin; Olabode Oluwasanmi; Elehinafe Francis; Odunlami Olayemi
The sub-optimum conditions of Nigeria conventional refineries remains a drastic setback since all other industries are intertwined with its outputs. It is noted that amidst all other glaring contributing factors as listed in the study, insufficient large capital funds on the part of private investors and vandalization of pipelines seems to be conspicuous. The stolen crude oil got from the pipelines serve as the beginning point for illegal refining. Asides the issue of quality control of products, their sub-standard operation also affects Nigerians environmentally and economically. The more the Government invest time and resources to stop their operation; the more they spring up like mushrooms. This paper reflects the authors view on achieving a win-win scenario. The upgrading of existing illegal refineries at strategic locations within the country to standard modular refineries seems to be a more feasible and friendly approach. The issue of channeling of intermediate products can be solved through the introduction of clusters, where final products of one become raw material for the other. Intermediate products can also be channeled to Government owned conventional refineries for further processing. From analysis, it is deduced that overall design capacities from clusters have optimum effect on the intermediate environment in terms of meeting demand. Extensive operational training on crude oil refining will help buttress the point while Transfer of Knowledge from official vendors to Nigerian Engineers on how to fabricate modular refining units locally will also help to reduce overall cost.
Open Access
Benefciation of Nigerian bentonite using local materials
(Original Paper-Production Engineering, 2020-07-15) Igwilo, Kevin C.; Uwaezuoke, N.; Okoli, N.; Obasi, Franklin T.; Okoro, Emeka E.
In previous studies, it has been found that the Nigerian bentonite is defcient in terms of its fuid loss and rheological properties which includes yield point. Also, due to its high calcium content and low sodium content as opposed to foreign bentonite, it does not meet the API standard of drilling. This research was carried out to benefciate the Nigerian bentonite as regards its fuid loss properties, rheological properties and wellbore stability. Snail shell is seen as waste substance in Nigeria, and Mucuna solannie on the other hand is a local major food supplement in Nigeria and is found in large quantities. The elemental and oxide compositions of the snail shell and Mucuna solannie were determined through scanning electron microscope and X-ray difraction measurements, respectively. The additives were used to benefciate the Nigerian bentonite, and the test result proved that at considerable concentrations of the additives, the Nigerian bentonite was able to compete with foreign bentonite and also met API specifcations. Both additives contain high concentrations of nanoparticles and inhibitive calcium and potassium for wellbore stability. Benefciated Nigerian bentonite also proved to be viable economically when compared with foreign bentonite.
Open Access
Evaluation of Flow Assurance in Onshore Production Facilities in the Niger Delta
(SCIENCEDOMAIN International, 2016) Igwilo, Kevin Chinwuba; Onwugbuchulem Chibunma Vivian; Ohia Nnaemeka Princewill
Flow assurance is the efficient and successful flow of fluids in pipes. Some of the flow assurance challenges that can be encountered include hydrate formation, sand production, wax precipitation, scale deposits and emulsion problems. In onshore production facilities in the Niger Delta, wax deposition is the major challenge to efficient fluid flow. Consequently, it has been the focus of research to profer effective predictive and preventive solutions to a problem that has been tackled with curative methods for decades. This paper investigated paraffinic wax deposition using laboratory tests and field simulation with PipeSim; a pipeline simulator. The tests gave wax content results of 3.73% and 4.77% for samples A and B. The Simulation gave results of 3.71% and 4.78% for samples A and B, producing a good match when compared against the test results with a difference of less than ه0.05%. This paper therefore recommends the use of PipeSim simulation package for wax deposition determination and prediction especially in the absence of laboratory data in addition to properly scheduled pigging and solvent injections to check wax deposition in facilities handling waxy crude oil.
Open Access
Girl-Child and Women: education and empowerment for sustainable development
(2017) Banigo, Alma Tamunonengiofori; Azeez,Taofik Oladimeji; Ezelote, Judith Chinelo
Improper education of the girl-child and women characterized with low self-esteem, lack of confidence, insecurity and national development. The reasons for girl-child and women education as well as empowerment for sustainable health and development was aimed to be investigated. Critical issues in girl-child education such as access to education, drop out from school by a female child and quality of education experience which endangered the girl-child or women have been discussed in this report. Educating and empowering of female children and women coupled with proffered solutions such as building of good mentoring as well as networking groups, sponsorships and proper training would not only apparently contribute towards embracing gender equality, increasing the workforces, particularly, STEM (Science, Technology, Engineering and Mathematics) workforce but improved emotional, economic, mental, physical, political, religion and social experiences. Thus, yield a healthy nation, high quality leadership, reduced rate of dependence and increased nation’s workforce for sustainable development.
Open Access
Modified food gum (Cissus populnea) fibers: microstructural behaviour, physico - mechanical properties and kinetics of water absorption
(Asian Research Publishing Network (ARPN)., 2016-09) Azeez, Taofik Oladimeji; Onukwuli, Dominic Okwuchukwu
The aim of this study is to investigate the effect of chemical modifications on the properties of Cissus populnea fibers. The method involve chemicaltreatments of C. populnea fibers using sodium hydroxide (NaOH), sodium lauryl sulphate (SLS) and ethylene diamine tetraacetic acid (EDTA). Microstructural behaviour (scanning electron microscope ‘SEM’ and fourier transform infrared ‘FTIR’ analysis), mechanical properties (tensile strength, modulus, elongation and energy at break), the physical properties (aspect ratio, density and water absorption) were determined and compared with untreated Cissus populnea fibers. SEM topography and FTIR spectra, respectively, revealed the change in morphology and structure after treatments which resulted to increase in tensile properties of Cissus populnea fibers. The treatments increased the aspect ratio with reduced density and water absorption capacity of Cissus populnea fibers. SLS and EDTA treatments, respectively, increased the tensile strength of Cissus populnea fibers by 298.46 and 250.86 %. Hence, SLS is superior as surface modification for improving tensile strength while EDTA treatment superior for improving tensile modulus and hydrophobic nature of Cissus populnea fibers.
Open Access
Effect of filler weight fraction on the mechanical properties of Bambara Groundnut (Okpa) husk Polyethylene composite
(2013-07-18) Azeez, Taofik Oladimeji; Olaitan, Samuel Abiodun; Atuanya, Clement Uche; Onukwuli, Dominic Okechukwu; Akagu, Christian Chukwudi; Menkiti Mathew, Chukwudi
The increased biomass level of bambara groundnut husk (BGH) in the environment through dumping as a refuge due to high consumption rate of bambara groundnut products has been an environmental concerned. The effect of mechanical properties of the recycled polyethylene (RPE) and recycled polyethylene with 20 percent virgin polyethylene (MPE) was investigated. The weight fractions of the BGH filler loading for this experiment were 10, 20, 25, 30 and 35 percent and processed for the reinforcement of RPE and MPE injection moulding machine to examine the mechanical properties on the composites. The tensile strength and modulus, flexural strength and modulus, and hardness of the composites increase fraction of the filler up to 25 percent in the composites and impact strength of the composites decreases with increased filler weight fraction. The increased tensile strength signified that BGH filler may be used for the reinforcement of RPE and MPE. There is significant improvement on the mechanical properties of the MPE composite compared with RPE composite at p < 0.01 and p < 0.05
Open Access
Biodegradation of pyrene using corynebacteria SP and pseudomonas putida in contaminated Water
(International Science Press, 2012-06) Azeez, Taofik Oladimeji
The hazardous nature of pyrene have been posed serious threat to humans on exposure through industrial effluent discharged and other combustion activities of petroleum products. The biodegradation of pyrene as a bioremediation method by the activity of Corynebacteria sp and Pseudomonas putida with effectiveness of these microbes was aim to be investigated. The enriched pure culture of Corynebacteria sp and Pseudomonas putida was inoculated into pyrene contaminated water at room temperature of 28ºC with mineral salt medium under an optimum pH of 7.2 for 96 hours, thereby decreased the pyrene concentration in the contaminated water and biodegradation kinetics parameters were evaluated from the experimental results. The result favourable to bothCorynebacteria sp and Pseudomonas putida as pyrene degraders in the contaminated water but Pseudomonas putida was preferred due to higher content of pyrene degraded.
Open Access
Effect of chemically modified cissus populnea fibers on mechanical, microstructural and physical properties of cissus populnea/high density polyethylene composites
(Federal University of Technology,Owerri, 2017-03-31) Azeez, Taofik Oladimeji; Onukwuli, Dominic Okechukwu
The effect of chemically modified Cissus populnea (C. populnea) fiber using sodium hydroxide (NaOH) and sodium lauryl sulphate (SLS) on mechanical, morphological and physical (density and water absorption behaviour) properties of C. populnea fiber/recycled HDPE composites was aimed to be investigated. The composites of unmodified and modified C. populnea fiber/HDPE were prepared using injection molding machine. The mechanical properties (tensile strength and modulus, flexural strength and modulus, hardness and impact strength), interfacial shear stress, density, water absorption behaviour and microstructural properties using scanning electron microscope (SEM) and fourier transform infrared (FTIR) spectroscope were characterized. The results shows that C. populnea fiber increased the mechanical properties of HDPE matrix with reduced impact strength of the composites. The NaOH and SLS treatments, respectively, improved the mechanical properties of C. populnea fiber/HDPE composites, although NaOH treated C. populnea fiber reduced the tensile modulus. The change in morphology and functional group, respectively, due to the modification was observed in SEM and FTIR. The density and water absorption of the composites, respectively, reduced when SLS modified C. populnea fiber was used compared to untreated C. populnea fiber/HDPE composites. The SLS treated C. populnea fiber prove to be superior for reinforcement, stiffness and light weight material.
Open Access
Effect of chemical agents on morphology, tensile properties and water diffusion behaviour of hibiscus sabdariffa fibers
(2016) Azeez, Taofik Oladimeji; Onukwuli, Dominic Okechukwu
Effective utilization of Hibiscus sabdariffa fibers in composites applications as a reinforcing fibers in polymer matrix have been a major concern due to its poor mechanical and hydrophilic properties. It will be of benefits to environmental and technological advancement, if its properties are properly handled. In this study, the morphological, tensile and water absorption characteristics of H. sabdariffa fibers was aimed to be investigated. H. sabdariffa fibers was modified using sodium hydroxides, sodium lauryl sulphate and ethylene diamine tetraacetic acid. The morphology using scanning electron microscopy, tensile properties (strength, modulus, elongation and energy at break), water absorption and water diffusion behaviours were studied. Chemical modifications improved fiber surface and roughness, tensile strength and modulus, elongation and energy at break with reduced water absorption of H. sabdariffa fibers. The water diffusion behaviour is less - Fickian controlled by water penetration rate. Hence improved the hydrophobic nature of H. sabdariffa fibers
Open Access
Reduction in annualar pressure loss by mud rheology control -a means of mud pump pressure control optimization: A case study of Niger Delta well
(International Knowledge Press, 2016-02-18) Onugha, Ifeyinwa N.; Igwilo, Kevin C.; Duru, Ugochukwu I.
This paper proposes two linear mathematical models for the reduction of annular pressure loss in a Niger Delta well- X, so that mud pump pressure is optimized. Data related to mud rheology, mud pump pressure, drill cuttings and the well geometry is available for well X which has already been drilled. The first linear model involves the reduction in pressure drop in the drill collar-casing annulus and the second linear model involves the reduction in pressure drop in the drill pipe-casing annulus. These models express reduced or critical annular pressure drops in terms of two mud rheological parameters- the yield point and plastic viscosity. For combined annular drill collar and drill pipe pressure loss, this paper proposes that the two linear mathematical models can be solved simultaneously to obtain optimum yield point and plastic viscosity of the drilling mud system to be employed for hole cleaning in the combined drill collar-casing and drill pipe-casing annulus. The Herschel Bulkley model is employed as the rheological model that represents the properties of the drilling mud system analyzed and is generated for eight rheological cases each of the drill collar and drill pipe annular hole cleaning as well as two cases of the combined drill collar and drill pipe annular hole cleaning.
Open Access
Modification of waste tire pyrolytic oil as base fluid for synthetic lube oil blending and production: Waste tire utilization approach. Journal of Material Cycles and Waste Management (Online First)
(Springer, 2020) Okoro, Emmanuel E.; Erivona, Nehemiah O.; Sanni, Samuel E.; Orodu, Kale B.; Igwilo, Kevin C.
This study provides an environmentally friendly process for the production of waste tire pyrolytic oil from fast pyrolysis for use in lube oil production. The produced waste tire pyrolytic oil was further distilled to provide an almost pure base fuid for production of lube oil. The distilled pyrolytic oil was further transformed to lube oil via polyol synthesis. Characterization of the distilled pyrolytic oil from waste tire pyrolysis shows that the oil after distillation contained 2.04 g/100 g of Aliphatic hydrocarbons, 1.96 g/100 g of naphthalene, and 5.99 g/100 g of parafn. The synthetic base fuid was blended with additive to obtain the desired lube oil. Based on the results obtained, the properties of the produced lubricant fall within the accept able criteria for standard lube oils/commercial lubricants. Six diferent blends (A–F) were produced using varied percentages of the selected additives and the base fuid, however, sample C gave the best lube oil blend considering its average density (0.97 kg/L), average viscosity which compares favourably with ISO viscosity (68 mm2/s) of class 68 oil at 40 °C with a fash point above 200 °C
Open Access
A review of hydraulic work-over unit (HWU) application for well repairs in Nigeria
(U. P., 2014) Ohia, N.; Anayadiegwu, C.; Igwilo, K.
As part of efforts to encourage indigenous/local content in the area of work-over, re-completion and abandonment in Nigeria, Work over campaigns using a self elevating work-over platform (SEWOP) and a hydraulic work-over (HWU) unit was introduced in the year 2001. These projects provided an opportunity for Nigerian indigenous contractors to work closely with multinational companies with a view to develop expertise. Upon this platform was the services of the HWU introduced to the Nigerian oil & gas industry (for work-over, re-completion, well testing and abandonment) introduced to the Nigerian oil & gas industry. The initial objective of these campaigns was to equip older wells in the land and swamp locations with Surface Control Sub-surface Safety Valves (SCSSV) and top packers, in accordance with company’s well integrity management policy. This policy also required that some of these wells be abandoned to ensure the safety of the environment. It also presented an opportunity to carry out other well repairs and to install gas lift mandrels as the case may be. The projects’ priority factor (if compared with other income generating projects within the system) was low, especially for the abandonments. Hence, recognizing that funds are limited, the services of the HWU provided versatility and cost effectiveness .Between August 2001 and March 2006, a total of about fifty three wells were successfully worked on across the Niger Delta region in land, swamp and offshore locations. These series of operations were not without challenges considering the peculiar nature of the Niger Delta terrain in terms of operation and service delivery. Within the period mentioned above, a “learning curve” was developed for hydraulic workover that can be useful to operators in the oil and gas industry. In this paper, efforts have been made to describe this “curve” for the purposes of improving business results. This paper will also review significant cost saving achievements and challenges that were encountered during the entire period under review.
Open Access
Effects of chemical surface modifications on combretumdolichopetalum fiber for sustainable applications
(U. P., 2016-01) Walter, P. E.; Azeez, T. O.; Onukwuli, O. D.; Atuanya, C. U.
The need to minimize the environmental effect posed by Combretum dolichopetalum(C. dolichopetalum) fiber and its effective use in polymer applications necessitated this study. Effect of chemical surface treatments onC. dolichopetalum fiberfor sustainable applications was aimed to be investigated. Retting method was employed for extraction of C. dolichopetalum fiber and the proximate contents were determined using gravimetric analysis. The fibers were mercerized and acetylated separately by 0 – 15 % within time intervals of 10 – 50 minutes and 30 – 150 minutes respectively at room temperature. The tensile strength in accordance with ASTM standards, aspect ratio, water absorption and microstructural analysis were studied with aids of scanning electron microscope (SEM) and Fourier transform infrared spectroscopy (FTIR). The result shows that the fibers contain 59.22 % cellulose, 20.30 % hemicelluloses, 2.40 % lignin, 9.32 % pectin, 4.08 % moisture and 2.26 % wax. The tensile strength of the mercerized and acetylated fibers increased by 877.58 % and 601.73 % of the unmodified fibers at 6 and 12 % concentration for 30 minutes due to increased aspect ratio with reduced density and water adsorption. SEM and FTIR studies revealed changes in surface topography and surface chemistry of the treated fibers.
Open Access
Mercerized milletia sp fiber epoxy composites: Fiber loading, aspect ratio and mechanical properties
(U. P., 2018-06) Uzondu, Francis Nnamuzie; Onukwuli, Dominic Okechukwu; Azeez, Taofik Oladimeji; Osoka, C. Emmanuel; Obibuenyi, John Ifeanyi
The fiber loading capacity and poor adhesion between fibers and matrix remains an area of concern in fiber polymer composites. The fiber loading capacity and aspect ratio of mercerized milletia sp fiber on mechanical properties (tensile strength, tensile modulus, tensile toughness, elongation, flexural and impact strength) of Milletia sp fiber epoxy composites was investigated. Milletia sp fiber was extracted using water retting approach. The extracted fiber was mercerized at optimum treatment conditions of 5.84 wt% NaOH and 42.58mins. The epoxy composite samples were prepared using hand layup method for epoxy 103 and amine hardner in a ratio 2: 1 and commingled with untreated and treated fiber, respectively, at optimum treatment conditions. The fiber loading of 10 – 50 wt% and aspect ratio of 42.68 – 213.38 mm/mm were used. The mechanical properties of mercerized milletia sp fiber epoxy composite were determined and optimized using RSM of MATLAB statistical tool box. The tensile strength, tensile modulus, toughness, elongation, flexural strength and impact strength for epoxy resin was 44.2 MPa, 1.9716 GPa, 0.8177 MPa, 3.1%, 85.4 MPa and 360 Kj/m2, respectively. At optimum aspect ratio and fiber loading, the mercerized milletia sp fiber increased the tensile strength, tensile modulus, toughness, elongation, flexural strength and impact strength of the epoxy resin by 46.38, 77.75, 97.99, 18.81, 125.06 and 217.78%, respectively. Thus, mercerized Milletia sp fiber enhanced the mechanical properties of epoxy composites.