Rheology of Doped Nigerian Niger-Delta Waxy Crude Oil

Taiwo, E. A.; Fasesan, S. O.; Akinyemi, O P

doi:10.1080/10916460802105559

Cited by 9 publications

(12 citation statements)

References 8 publications

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“…Table 3.1 reports the highest regression correlation coefficient, R 2 , of 0.992 for the Bingham model. This is similar to an earlier work on waxy crudes from this area (Taiwo et al, 2009), with good prediction of the yield stress within percentage deviation of 2.88 ± 0.15. According to Bogne and Doughty (1966), the rheological characteristics of materials form a continuous spectrum of behavior, ranging from the perfectly elastic Hookean solid at one extreme, to that of purely viscous Newtonian fluid at the other.…”

Section: Rheological Behaviour and Modellingsupporting

confidence: 90%

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Crude Oil Exploration in the World

Younes¹

2012

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Organic rich rocks with excellent potential to generate mainly oil are present in the Middle Jurassic Khatatba Formation that entered the late mature stage of oil and gas generation window at vitrinite reflectance measurements between 1.0-1.3 Ro% during the Late Cretaceous. Meanwhile, a good to fair source rocks of Alam El-Bueib and Abu Roash-G Member that located within the early to mid and mature stages of oil generation window between vitrinite reflectance measurements 0.5 and 1.0 Ro% at time varying from Late Cretaceous to Late Eocene. AcknowlegementsThe author is grateful to the authorities of the Egyptian General Petroleum Corporation (EGPC) for granting the permission to publish this paper. Also, extend my deepest gratitude to Khalda and Agiba petroleum companies for providing the crude oil and core rock samples and the data required to accomplish this work. Deepest thanks to the authorities of both Stratochem and Corex Laboratories.

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Section: Rheological Behaviour and Modellingsupporting

confidence: 90%

“…The Nigerian Niger Delta crude oil, which is the mainstay of Nigerian economy, exhibits waxiness, with deposits in the range of 30-45 % (Adewusi 1997;Fasesan and Adewumi, 2003;Taiwo et al, 2009 andOladiipo et al, 2009). In fact, pipelines have been known to wax up beyond recovery in Nigeria.…”

Section: Introductionmentioning

confidence: 99%

Crude Oil Exploration in the World

Younes¹

2012

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“…Nigeria has a reserve of crude oils which contains moderate to high contents of paraffin wax with low sulphur content and high API gravity (Ajienka and Ikoku 1997). Most petroleum exploration and production operations in Nigeria goes on in the Niger Delta region, which is about 7.5% of Nigeria's landmass (Taiwo et al 2009). The crude oil found in the Niger Delta region of Nigeria has wax deposits in the range of 30-45% (Adewusi 1997).…”

Section: Introductionmentioning

confidence: 99%

Effect of poly (ethylene-butene) and nano-aluminium oxide blend on the viscosity of Nigerian crude oil

Odutola

Idemili

2020

J Petrol Explor Prod Technol

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Wax deposition in production tubing and pipelines is very critical in Nigeria petroleum industry. It can lead to a reduction in production, shut-in of wells, choking of flow lines, failure of downhole equipment, increased power requirement and loss in revenue. In the bid to address this issue, a Niger Delta crude oil sample was characterized in this study to know its wax deposition tendency and other chemical properties. The effect of temperature on the viscosity of the crude oil sample was studied, and the degree of viscosity reduction (DVR) of the crude oil sample in the presence of poly (ethylene-butene) (PEB) and nano-aluminium oxide (Al2O3) blend at different temperatures was evaluated. 100 ppm of nano-Al2O3 blend with 1000 ppm, 2000 ppm and 5000 ppm of PEB, respectively, was added to the crude oil sample at different temperatures, and the degree of viscosity reduction (DVR) in each blend at 10 °C, 15 °C, 20 °C, 30 °C and 35 °C was evaluated. The blend with 2000 ppm of PEB with 100 ppm nano-Al2O3 is the best for offshore application as it gave the highest DVR of 77.9% and 73.7% at 10 °C and 15 °C, respectively, while the other blends gave a DVR of about 70% at 10 °C and 15 °C. As the crude sample temperature approached the wax appearance temperature of 29 °C, the DVR of PEB/Al2O3 blend drastically reduced. PEB/Al2O3 blend inhibited wax precipitation, and at low temperatures, a significant reduction in the viscosity of the crude oil sample was observed, which makes it a good recommendation for offshore application.

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Section: Wwwintechopencommentioning

confidence: 99%

“…Table 3.2 reports some solvents for improving the transportation of Niger Delta waxy crudes. Xylene (X) and tri chloro ethylene (TCE) are good pour point depressant based on the work of Adewusi (1998) and Bello et al, (2005a), while Taiwo et al, (2009) showed tri ethanol amine (TEA) to be very good wax deposition inhibitor (Table 3.2). These three solvents further confirm their wax inhibition strength from the report of the present experimentation (Table 3.3).…”

Section: Doping Of Waxy Crudementioning

confidence: 99%