STUDY OF CALCIUM SULFATE SCALING INDEX TENDENCY CALCULATIONS AT DIFFERENT TEMPERATURE CONDITIONS IN INJECTION WATER SAMPLES FROM OILFIELDS

Makmur, Tjuwati

doi:10.29017/SCOG.30.3.975

Akses terbuka Jurnal SINTA 1

STUDY OF CALCIUM SULFATE SCALING INDEX TENDENCY CALCULATIONS AT DIFFERENT TEMPERATURE CONDITIONS IN INJECTION WATER SAMPLES FROM OILFIELDS

Makmur, Tjuwati

Scientific Contributions Oil and Gas · Vol. 30 No. 3 (2022) · hlm. 13–22

DOI: 10.29017/SCOG.30.3.975
ISSN: 2541-0520, 2089-3361
Terbit: 2022-03-29
Penerbit: Testing Center for Oil and Gas LEMIGAS
Bahasa: eng
Lisensi: creativecommons.org/licenses/by/4.0

Abstrak

Calcium sulfate scale is a type of scale found in petroleum industry and shows seriousproblem, because it can plug pore media and cause a decrease in production rate.Actual calcium sulfate (CaSO4) concentrations of S1, S2, S3 and S4 injection watersamples were in the range of 0.0208 to 0.4583 meq/l. While, the values of solubility ofS1, S2, S3 and S4 water samples at 77,145 and 1770F are in a range of 23.20 to 27.43meq/l. Based on the results of calcium sulfate scaling tendency calculations showed thatthe values of solubility of S1, S2, S3 and S4 water samples at various temperature conditions(77,140 and 1750F) are higher than actual CaSO4 concentrations for the samewater samples. No occurrence of CaSO4 scale was found in all analyzed injection watersamples at different temperature conditions (77,140 and 1750F).

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Universitas Halu Oleo
State University of Semarang
Universitas Islam Negeri Ar-Raniry
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Rekan penulis	Organisasi	Artikel bersama
Nuraini Nuraini	Universitas Halu Oleo	4
Panca Wahyudi	Afiliasi tidak diketahui	2
Supriyatno Supriyatno	State University of Semarang	1
Nuraini Nuraini	Universitas Islam Negeri Ar-Raniry	1
Hadi Poernomo	Afiliasi tidak diketahui	1
Hadi Purnomo	Afiliasi tidak diketahui	1

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Sumber metadata: OAI-PMH (metadata jurnal) https://journal.lemigas.esdm.go.id/index.php/SCOG/oai, pertama di-harvest 10 Nov 2026, terakhir terlihat 10 Nov 2026.

Metadata asli (oai_dc)

<oai_dc:dc xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/  http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
	<dc:title xml:lang="en">STUDY OF CALCIUM SULFATE SCALING INDEX TENDENCY CALCULATIONS AT DIFFERENT TEMPERATURE CONDITIONS IN INJECTION WATER SAMPLES FROM OILFIELDS</dc:title>
	<dc:creator xml:lang="en">Makmur, Tjuwati</dc:creator>
	<dc:subject xml:lang="en">calcium sulfate scale</dc:subject>
	<dc:subject xml:lang="en">scaling index tendency calculation</dc:subject>
	<dc:subject xml:lang="en">solubility of injection water sample and actual CaSO4 concentration</dc:subject>
	<dc:description xml:lang="en">Calcium sulfate scale is a type of scale found in petroleum industry and shows seriousproblem, because it can plug pore media and cause a decrease in production rate.Actual calcium sulfate (CaSO4) concentrations of S1, S2, S3 and S4 injection watersamples were in the range of 0.0208 to 0.4583 meq/l. While, the values of solubility ofS1, S2, S3 and S4 water samples at 77,145 and 1770F are in a range of 23.20 to 27.43meq/l. Based on the results of calcium sulfate scaling tendency calculations showed thatthe values of solubility of S1, S2, S3 and S4 water samples at various temperature conditions(77,140 and 1750F) are higher than actual CaSO4 concentrations for the samewater samples. No occurrence of CaSO4 scale was found in all analyzed injection watersamples at different temperature conditions (77,140 and 1750F).</dc:description>
	<dc:publisher xml:lang="en">Testing Center for Oil and Gas LEMIGAS</dc:publisher>
	<dc:date>2022-03-29</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
	<dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
	<dc:format>application/pdf</dc:format>
	<dc:identifier>https://journal.lemigas.esdm.go.id/index.php/SCOG/article/view/975</dc:identifier>
	<dc:identifier>10.29017/SCOG.30.3.975</dc:identifier>
	<dc:source xml:lang="en">Scientific Contributions Oil and Gas; Vol. 30 No. 3 (2007); 13-22</dc:source>
	<dc:source xml:lang="id">Scientific Contributions Oil and Gas; Vol 30 No 3 (2007); 13-22</dc:source>
	<dc:source>2541-0520</dc:source>
	<dc:source>2089-3361</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>https://journal.lemigas.esdm.go.id/index.php/SCOG/article/view/975/767</dc:relation>
	<dc:rights xml:lang="en">Copyright (c) 1970 SCIENTIFIC CONTRIBUTIONS OIL AND GAS (SCOG)</dc:rights>
	<dc:rights xml:lang="en">https://creativecommons.org/licenses/by/4.0</dc:rights>
</oai_dc:dc>