UGC Approved Journal no 63975(19)

ISSN: 2349-5162 | ESTD Year : 2014
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Published in:

Volume 7 Issue 7
July-2020
eISSN: 2349-5162

UGC and ISSN approved 7.95 impact factor UGC Approved Journal no 63975

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Published Paper ID:
JETIR2007174


Registration ID:
235179

Page Number

1411-1417

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Title

Iron sulfide scale removal: A Environment friendly Approach

Abstract

Iron sulfide scale is considered a big issue in the oil and gas industry and a very common problem in daily operation bases. Iron sulfide scale forms as a result of the reaction of hydrogen sulfide or mercaptans with carbon steel. The iron scale severely affects the production rates and field operation, as the iron scale precipitation on the well completion tools or the pipelines` inner surfaces will decrease the diameter size and cause flow restriction. Generally scales can be differed as old age scale and new age scale where new age scale can be removed using mineral acids and to remove old age scale we have to carry out mechanical operation in combination with acid treatment otherwise they can damage our downhole tools and it might require workover operations to cure the problem. Such workover operations add an extra cost for operator. Using HCl as removal can leads to formation H2S(g) which further can cause corrosion to tubing. Now a days there are commercial liquids like THPS ,EDTA,DTPA delivering good results but our main objective of this study is to find a new environmentally chemical solution to be used for iron sulfide scale removal. Additionally, to study the new fluid performance in terms of solubility for an iron scale (field sample), corrosion effect, and biodegradability for environmentally safe use. This paper shows a comparison and analysis and study of solubility test and corrosion test done on field scale sample using NEFAS and other methods with different concentration and the results from the study showed excellent performance for the scale solubility and for the corrosion rates. The iron scale solubility is 83 g/l after 6 hours at 125°C for the static condition with lower corrosion rates.Thus new NEFAS provides very good performance for iron scale removal, with a lower cost than commercial chemicals. Furthermore, the new system is a biodegradable and environmentally safe system.

Key Words

NEFAS, Flow assurance

Cite This Article

"Iron sulfide scale removal: A Environment friendly Approach", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.7, Issue 7, page no.1411-1417, July-2020, Available :http://www.jetir.org/papers/JETIR2007174.pdf

ISSN


2349-5162 | Impact Factor 7.95 Calculate by Google Scholar

An International Scholarly Open Access Journal, Peer-Reviewed, Refereed Journal Impact Factor 7.95 Calculate by Google Scholar and Semantic Scholar | AI-Powered Research Tool, Multidisciplinary, Monthly, Multilanguage Journal Indexing in All Major Database & Metadata, Citation Generator

Cite This Article

"Iron sulfide scale removal: A Environment friendly Approach", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.7, Issue 7, page no. pp1411-1417, July-2020, Available at : http://www.jetir.org/papers/JETIR2007174.pdf

Publication Details

Published Paper ID: JETIR2007174
Registration ID: 235179
Published In: Volume 7 | Issue 7 | Year July-2020
DOI (Digital Object Identifier):
Page No: 1411-1417
Country: Solapur, Maharashtra, India .
Area: Engineering
ISSN Number: 2349-5162
Publisher: IJ Publication


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