scholarly journals Review of Solvents Based on Biomass for Mitigation of Wax Paraffin in Indonesian Oilfield

2019 ◽  
Vol 9 (24) ◽  
pp. 5499
Author(s):  
M. K. Afdhol ◽  
M. Abdurrahman ◽  
F. Hidayat ◽  
F. K. Chong ◽  
H. F. Mohd Zaid
Keyword(s):  
Crude Oil ◽  
Oil Production ◽  
Deposition Process ◽  
Wax Deposition ◽  
Chemical Additives ◽  
Pour Point Depressant ◽  
Wax Precipitation ◽  
Point Depressant ◽  
Crude Oil Production ◽  
Scale Down

This paper presents a review of the expectations and challenges of using biomass in the prevention and slowing of paraffin wax deposition that takes place during the crude oil production process. The inhibition of the deposition process involves the use of solvents from biomass that are generally available around the crude oil production field. The processes used to scale down the precipitation of wax include mixing crude oil with the manufacturer’s solvent composed of toluene and xylene. The goal is to assess solvents sourced from biomass that are capable to slow down the wax deposition process. Wax appearance temperature is an important characteristic to evaluate the possible wax precipitation of a given fluid. Wax precipitation can be reduced by using some chemical additives, often called the pour point depressant. This additive is expected to be produced from local biomass which can compete with solvents currently produced on the market.

A Reliable Model for Estimating the Wax Deposition Rate During Crude Oil Production and Processing

2014 ◽  
Vol 32 (23) ◽  
pp. 2837-2844 ◽  
Author(s):  
A. Kamari ◽  
A. H. Mohammadi ◽  
A. Bahadori ◽  
S. Zendehboudi
Keyword(s):  
Crude Oil ◽  
Deposition Rate ◽  
Oil Production ◽  
Wax Deposition ◽  
Reliable Model ◽  
Crude Oil Production

scholarly journals A REVIEW OF VARIOUS POUR POINT DEPRESSANTS USED FOR FLOW ASSURANCE IN OIL INDUSTRIES

2021 ◽  
Vol 6 (1) ◽  
Author(s):  
Gaurav Himanta Khaklari ◽  
Prasenjit Talukdar
Keyword(s):  
Crude Oil ◽  
Pour Point ◽  
Chemical Properties ◽  
Flow Assurance ◽  
Wax Deposition ◽  
Chemical Additives ◽  
Point Depressant ◽  
Pour Point Depressants ◽  
End Use ◽  
Physical And Chemical

Crude oil needs to be transported from oil wells to refinery and storage facilities in one form or another to ultimately become end use products. After the successful extraction of oil from the ground it is mostly transported through pipelines where the crude oil experiences various changes in its physical and chemical properties. These rheological changes may cause numerous flow assurance problems such as wax and paraffin deposition which ultimately restricts the flow of oil. Chemical additives such as Pour Point depressants (PPDs) are used in this case for the efficient transportation of crude oil by lowering the Wax Deposition Temperature (WAT). Hence, in order to enhance the knowledge about PPDs, the mechanism of various types of Pour Point Depressant for aiding the flow of crude oil while transportation were discussed in this paper.

Study on the Pipeline Wax Deposition Mechanism and Influencing Factors

2012 ◽  
Vol 516-517 ◽  
pp. 1018-1021 ◽  
Author(s):  
Rong Ge Xiao ◽  
Bing Qian Wei ◽  
Pei Fen Yao ◽  
Dong Rui Yi
Keyword(s):  
Crude Oil ◽  
Influencing Factors ◽  
Petroleum Industry ◽  
Oil Production ◽  
Oil Exploration ◽  
Wax Deposition ◽  
Safe Operation ◽  
Deposition Mechanism ◽  
Crude Oil Production

The phenomenon of wax deposition is an extremely important issue in the petroleum industry. Researching it is of great help for the oil exploration, gathering, and transportation. This paper described the phenomenon of wax deposition, discussed the mechanism, analyzed the influencing factors and proposed the positive significance of the phenomenon of wax deposition on crude oil production and safe operation in oil gathering and transportation pipeline.

Review on the gelation of wax and pour point depressant in crude oil multiphase system

2021 ◽  
Vol 35 (12) ◽  
pp. 2130005
Author(s):  
Hongmei Xu ◽  
Yanpu Wang ◽  
Kun Wang
Keyword(s):  
Crude Oil ◽  
Pour Point ◽  
Molecular Design ◽  
Research Progress ◽  
Multiphase System ◽  
Wax Deposition ◽  
Pour Point Depressant ◽  
Waxy Crude Oil ◽  
Waxy Crude ◽  
Point Depressant

The gelation of waxy crude oil multiphase system can result in the formation of network cementitious structure, which seriously impacts the safe and economic production of crude oil. This paper reviews current experimental, theoretical and numerical results on the gelation of wax in crude oil. For the experimental side, the most important problems are in situ measurement and measurement accuracy. On the theoretical side, the present methods own defects of low accuracy and limited application scope. Numerically, the models are of oversimplification, which are hardly applied to the real production. Besides, as a promising solution, the research progress of crude oil pour point depressant is also reviewed. The molecular design is a powerful approach to develop the optimized pour point depressant. The goals of this paper are to bridge the microscale atomic interactions and the macroscale physicochemical properties of waxy crude oil and pour point depressant, so as to lay a solid theoretical basis for preventing and controlling wax deposition in crude oil. These are beneficial to the future efficient, clean and safe energy production system.

scholarly journals The Chemical Performance Evaluation for Pour Point Depressant (PPD) Testing, X Oil Field, Vietnam

2021 ◽  
Vol 06 (11) ◽  
Author(s):  
Ngoc Thai Ba ◽  
Keyword(s):  
Performance Evaluation ◽  
Crude Oil ◽  
Deposition Rate ◽  
Pour Point ◽  
Petroleum Products ◽  
Oil Field ◽  
Wax Deposition ◽  
Pour Point Depressant ◽  
Point Depressant ◽  
Laboratory Test Results

Pour Point Depressant (PPD) Testing are used extensively to modify the crystallinity of hard waxes and to reduce the natural pour point of crude. The best PPD chemical and best dosage for crude oil treatment will be chosen based on the laboratory test results to: Reduce pour point of crude oil; Reduce viscosity of crude oil; Improve rheological properties of crude oil; Reduce wax deposition rate and pipeline restart pressure. The chemical performance evaluation for PPD, proposed to use at X Oil Field has been conducted in Crude oil and Petroleum products Lab. The following properties have been determined in laboratory for blank sample (which is a mixture of H1, H4 and H5 crude oil samples with ratio of 2.1:1.4:1.0) and sample treated by PPD (rundown crude oil sample): Pour Point (for blank sample and treated sample); Wax Appearance Temperature (WAT) and Wax Disappearance Temperature (WDT) (for blank sample); Dynamic Viscosity (for blank and treated samples); Yield Stress by Rheometer (for blank and treated samples) for 100 mins, 1000 mins and 02 days shut-in times; Wax Deposition Rate by Cold Finger for blank and treated samples; Restart Pressure by Restart Loop (for blank and treated samples) for 100 mins, 1000 mins and 02 days shut-in times.

scholarly journals Wax Precipitation at Different Locations of Nigerian Crude Oil Production Line

IARJSET ◽  
2018 ◽  
Vol 5 (12) ◽  
pp. 1-5
Author(s):  
Godwin A. Udourioh* ◽  
Ozioma Achugasim ◽  
Samuel E. Ofodile
Keyword(s):  
Crude Oil ◽  
Production Line ◽  
Oil Production ◽  
Wax Precipitation ◽  
Crude Oil Production
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