Server maintenance is scheduled for Saturday, December 21st between 6am-10am CST.

During that time, parts of our website will be affected until maintenance is completed. Thank you for your patience.

Menu
Search
Filters
Close
Menu

10136 Development of Low Corrosive Environmental Friendly Calcium Carbonate Scale Dissolver for HTHP Wells

Picture for 10136 Development of Low Corrosive Environmental Friendly Calcium Carbonate Scale Dissolver for HTHP
Available for download
Product Number: 51300-10136-SG
ISBN: 10136 2010 CP
Author: Tao Chen, Ping Chen, Harry Montgomerie, Bjorn Juliussen, Torstein Haaland and Thomas Hagen
Publication Date: 2010
$0.00
$20.00
$20.00
Calcium carbonate is one of the most common scales found in oilfields. Scale inhibitor treatment is a traditional method to control the calcium carbonate deposition. Scale acid treatment is another common way to remove/dissolve carbonate scale. However, high corrosion rate of scale dissolvers at high temperature and the environmental requirement for scale dissolvers have been two major challenges in the development of scale dissolvers and applications under HTHP conditions.

In this paper, a low corrosive environmental friendly calcium carbonate scale dissolver has been developed to provide a treatment to remove calcium carbonate scale formed in HTHP wells. The characteristics of this product are as following:

· Low corrosiveness at temperatures up to 170°C. General corrosion is low and no pitting corrosion observed.

· Yellow Y1 environmentally acceptable chemical in Norway.

· Both the aged (170°C) and non-aged samples showed similar CaCO3 dissolving capacity.

· A high dissolving rate in the initial stages of scale dissolution.

· No re-precipitation risk after cooling.

In addition, a winterized version of this dissolver has been developed. The performance tests have been carried out and reported as well.

Key words: scale dissolver, calcium carbonate, scale, HTHP well
Calcium carbonate is one of the most common scales found in oilfields. Scale inhibitor treatment is a traditional method to control the calcium carbonate deposition. Scale acid treatment is another common way to remove/dissolve carbonate scale. However, high corrosion rate of scale dissolvers at high temperature and the environmental requirement for scale dissolvers have been two major challenges in the development of scale dissolvers and applications under HTHP conditions.

In this paper, a low corrosive environmental friendly calcium carbonate scale dissolver has been developed to provide a treatment to remove calcium carbonate scale formed in HTHP wells. The characteristics of this product are as following:

· Low corrosiveness at temperatures up to 170°C. General corrosion is low and no pitting corrosion observed.

· Yellow Y1 environmentally acceptable chemical in Norway.

· Both the aged (170°C) and non-aged samples showed similar CaCO3 dissolving capacity.

· A high dissolving rate in the initial stages of scale dissolution.

· No re-precipitation risk after cooling.

In addition, a winterized version of this dissolver has been developed. The performance tests have been carried out and reported as well.

Key words: scale dissolver, calcium carbonate, scale, HTHP well
Product tags
Also Purchased
Picture for Mixed Calcium Carbonate and Calcium Sulfate Scale
Available for download

51316-7457-Mixed Calcium Carbonate and Calcium Sulfate Scale

Product Number: 51316-7457-SG
ISBN: 7457 2016 CP
Author: Petros Koutsoukos
Publication Date: 2016
$20.00
Picture for Sulfate Reducing Bacteria Influenced Calcium Carbonate Precipitation
Available for download

51313-02101-Sulfate Reducing Bacteria Influenced Calcium Carbonate Precipitation

Product Number: 51313-02101-SG
ISBN: 02101 2013 CP
Author: Hussain Almahamedh
Publication Date: 2013
$20.00
Picture for 04397 Calcium Sulfate Scale: Field Tests and
Available for download

04397 Calcium Sulfate Scale: Field Tests and Model Predictions

Product Number: 51300-04397-SG
ISBN: 04397 2004 CP
Author: Krishnam U.G. Raju and Hisham A. Nasr-El-Din, Saudi Aramco
Publication Date: 2004
$20.00

The formation brine in a giant carbonate reservoir had high total dissolved solids  and high calcium ion concentration.  The absence of any major sulfate-scaling problem in this field despite the seawater flood for more than 25 years is attributed to the injection of compatible aquifer waters before the onset of seawater injection.
Categories
Industry
Recently viewed
Popular tags
View all

Association for Materials Protection and Performance

© AMPP All Rights Reserved.
Membership Terms of Content Use
Contact Customer Support