scholarly journals Synthesis of barium alkylbenzene sulfonate and its behavior as a flow improver for crude oil

2021 ◽  
Vol 24 (1) ◽  
pp. 83-89
Author(s):  
Zhichao Zhou ◽  
Wangyuan Zhang ◽  
Futian Zhang ◽  
Xuanming Zhang ◽  
Sanbao Dong ◽  
...  
Keyword(s):  
Crude Oil ◽  
Alkylbenzene Sulfonate ◽  
Flow Improver

New Heavy Crude Oil Flow Improver Increases Production: Application Scenarios

2008 ◽  
Author(s):  
W. Reid Dreher ◽  
Ray Johnston ◽  
Peter Lauzon ◽  
Joey Pierce
Keyword(s):  
Drag Reduction ◽  
Crude Oil ◽  
Oil Production ◽  
Heavy Crude Oil ◽  
New Class ◽  
Crude Oil Production ◽  
Oil Flow ◽  
Heavy Crude ◽  
Flow Improver

As worldwide heavy crude oil production increases, pipelines are faced with challenges to transport these higher viscosity fluids. Historically, heavy crude oil has been a challenge for existing commercially available DRAs. As crude oil gravities fall below ∼23 °API, existing DRAs become ineffective. ConocoPhillips Specialty Products Inc. (CSPI) developed a new class of DRAs to address this need. CSPI’s new heavy crude oil DRA technology, ExtremePower™ Flow Improvers, is proven to increase deliveries of produced heavy crude oil to market. In this paper we will discuss the mechanism of drag reduction, how a heavy crude oil DRA works, and two scenarios in which value is created by utilizing the product.

scholarly journals Effect of bio-based flow improver on the microscopic and low-temperature flow properties of waxy crude oil

2021 ◽  
Vol 11 (2) ◽  
pp. 711-724
Author(s):  
William Iheanyi Eke ◽  
Sampson Kofi Kyei ◽  
Joseph Ajienka ◽  
Onyewuchi Akaranta
Keyword(s):  
Fractal Dimension ◽  
Aspect Ratio ◽  
Crude Oil ◽  
Flow Properties ◽  
Waxy Crude Oil ◽  
Waxy Crude ◽  
Feret Diameter ◽  
Oil Flow ◽  
Flow Improver ◽  
Wax Crystals

AbstractWax formation creates flow assurance problems in the production and transportation of waxy crude oil. Flow improvers are added to waxy crude in order to reduce handling cost. Bio-based flow improvers derived from cheap renewable resources are attractive as cost-effective, eco-friendly alternatives to the conventional additives. Natural cashew nut shell liquid extracted from waste biomass (Anacardium occidentale shells) was derivatized and applied as flow improver for waxy crude oil. Effect of the additive on wax formation in crude oil was studied by cross-polarized microscopy, while the change in oil flow properties was evaluated using a rotational coaxial cylinder viscometer. Micrographs of the waxy crude were processed and analyzed with image J software. The microscopic properties of the wax crystals were characterized using Feret diameter, crystal area, aspect ratio, circularity, solidity and boundary fractal dimension. The pour point of doped crude oil was depressed by − 18 °C and the wax area fraction reduced by 40% due to wax inhibitive effect of the additive. The presence of the additive resulted in evolution of smaller, rounder and more regular wax crystals with smoother and more even surfaces indicated by reduction in the Feret diameter, aspect ratio and boundary fractal dimension of wax crystals in doped oil, and an increase in crystal circularity and solidity. The shear stress and viscosity of doped oil were reduced by 86.8% and 85.0%, respectively. The flow improvement effect of the CNSL derivative is linked to its effect on morphology and microstructure of wax crystals in the crude oil.

A series of methods for investigating the effect of a flow improver on the asphaltene and resin of crude oil

Energy ◽  
2019 ◽  
Vol 187 ◽  
pp. 115872
Author(s):  
Hongping Quan ◽  
Pengfei Li ◽  
Wenmeng Duan ◽  
Liao Chen ◽  
Langman Xing
Keyword(s):  
Crude Oil ◽  
Flow Improver

Universal flow improver for crude oil

2020 ◽  
Vol 6 ◽  
pp. 94-97
Author(s):  
G.V. Nesyn ◽  
◽  
F.S. Zverev ◽  
M.I. Valiev ◽  
◽  
...  
Keyword(s):  
Crude Oil ◽  
Flow Improver

scholarly journals A study on cashew nut shell liquid as a bio-based flow improver for heavy crude oil

2021 ◽  
Vol 11 (5) ◽  
pp. 2287-2297
Author(s):  
Sivakumar Pandian ◽  
Patel Chintan Dahyalal ◽  
Shanker Krishna ◽  
S. Hari ◽  
Deepalakshmi Subramanian
Keyword(s):  
Crude Oil ◽  
Pour Point ◽  
Optimum Dose ◽  
Heavy Crude Oil ◽  
Cashew Nut Shell Liquid ◽  
Remarkable Improvement ◽  
Cashew Nut ◽  
Heavy Crude ◽  
Cashew Nut Shell ◽  
Flow Improver

AbstractTransportation of heavy crude oil through pipelines poses a great challenge in oil and gas industry. Crude oil chokes the pipelines when the temperature drops below the pour-point temperature. In the present study, a bio-based additive, i.e., Cashew Nut Shell Liquid (CNSL) has been tested as a flow improver for heavy crude. CNSL was obtained from waste cashew nut shell by means of mechanical extraction, and it was completely characterized. Similarly, the crude oil used in the study was characterized for its physio-chemical properties. Also, the crude oil was subjected to Saturates, Aromatics, Resins and Asphaltene analysis and Fourier Transform Infra-Red analysis. The raw and additive-treated crude oil with different CNSL dosages were subjected to pour-point and rheology measurements and optical micro-imaging analysis which indicated a remarkable improvement in flow whereby an optimum dose of 2000 ppm was observed. Furthermore, the effects of different parameters like shear rate, concentration of the flow improver and the effect of temperature on the crude oil flowability were studied. The process variables were optimized by means of Taguchi method, and the percentage contribution of each parameter was identified with the help of ANOVA table. The results indicate that a remarkable improvement in flow was observed at an optimum dose of 2000 ppm. The contribution of the concentration was found to be around 53%, whereas the contributions of the shear rate and the temperature were only 18.08 and 28.91%, respectively. Therefore, it has been observed that CNSL flow improvers extracted from cheap reasonable resources are more effective as they are cost-effective and eco-friendly when compared to conventional additives.

Studies on the influence of long chain acrylic esters polymers with polar monomers as crude oil flow improver additives

Fuel ◽  
2008 ◽  
Vol 87 (13-14) ◽  
pp. 2943-2950 ◽  
Author(s):  
A ERCEGKUZMIC ◽  
M RADOSEVIC ◽  
G BOGDANIC ◽  
V SRICA ◽  
R VUKOVIC
Keyword(s):  
Crude Oil ◽  
Oil Flow ◽  
Acrylic Esters ◽  
Polar Monomers ◽  
Flow Improver ◽  
Long Chain
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