Coreflooding Experiments on the Combination of Water Shutoff and Acid Treatments in Carbonate Formations

2012 ◽  
Author(s):  
Mashhoor Sayej Al-Anazi ◽  
Sinan X. Caliskan ◽  
Ibrahim Saleh Al-Yami
Keyword(s):  
Water Shutoff ◽  
Carbonate Formations ◽  
Acid Treatments

A New Polymer System for Water Shutoff Application in Carbonate Formations

2016 ◽  
Author(s):  
Ayman Almohsin ◽  
Ayman A-Nakhli ◽  
Hameed Badairy ◽  
Mohammed Alabdrabalnabi ◽  
Jin Hung ◽  
...  
Keyword(s):  
Polymer System ◽  
Water Shutoff ◽  
Carbonate Formations

Applications of Polymer Gel for Establishing Zonal Isolations and Water Shutoff in Carbonate Formations

2001 ◽  
Vol 16 (03) ◽  
pp. 182-189 ◽  
Author(s):  
D. Perez ◽  
F.E. Fragachan ◽  
A. Ramirez Barrera ◽  
J.P. Feraud
Keyword(s):  
Polymer Gel ◽  
Water Shutoff ◽  
Carbonate Formations

Laboratory, Theoretical, and Field Studies of Emulsified Acid Treatments in High-Temperature Carbonate Formations

2000 ◽  
Vol 15 (02) ◽  
pp. 96-106 ◽  
Author(s):  
R.C. Navarrete ◽  
B.A. Holms ◽  
S.B. McConnell ◽  
D.E. Linton
Keyword(s):  
High Temperature ◽  
Field Studies ◽  
Carbonate Formations ◽  
Acid Treatments

scholarly journals Effectiveness of acidizing geothermal wells in the South German Molasse Basin

2013 ◽  
Vol 1 (1) ◽  
pp. 1-11 ◽  
Author(s):  
S. Schumacher ◽  
R. Schulz
Keyword(s):  
Geothermal Energy ◽  
Acid Treatment ◽  
Molasse Basin ◽  
The South ◽  
Well Yield ◽  
Geothermal Wells ◽  
Carbonate Formations ◽  
Acid Treatments

<p><strong>Abstract.</strong> In Germany, many hydro-geothermal plants have been constructed in recent years, primarily in the region of Munich. As the host formation here mainly consists of carbonates, nearly all recently drilled wells have been acidized in order to improve the well yield. In this study, the effectiveness of these acid treatments is analyzed with respect to the amount of acid used and the number of acid treatments carried out per well. The results show that the first acid treatment has the largest effect, while subsequent acidizing improves the well only marginally. Data also indicate that continued acidizing can lead to degradation of the well. These findings may not only be important for geothermal installations in Germany but also for projects, for example, in Austria, France or China where geothermal energy is produced from carbonate formations as well.</p>

The first data on possible Mezozoic magmatism within the Western slope of the Southern Urals

2018 ◽  
pp. 24-34
Author(s):  
A. O. Khotylev ◽  
N. B. Devisheva ◽  
Al. V. Tevelev ◽  
V. M. Moseichuk
Keyword(s):  
Southern Urals ◽  
Western Slope ◽  
Isotopic Age ◽  
The Southern Urals ◽  
Early Proterozoic ◽  
Carbonate Formations ◽  
Two Bodies

Within the Western slope of the Southern Urals, there are plenty of basite dyke complexes of Riphean to Vendian among Precambrian terrigenous-carbonate formations. In metamorphic formations of the Taratash complex (Archean to Early Proterozoic, the northern closure of the Bashkirian meganticlinorium) there was observed the andesitic dyke with isotopic age of 71±1 Ma (U-Pb SHRIMP II on zircons) and near Bakal two bodies of gabbroids with zircons of similar ages were found. These are the first evidence of possible Mezozoic magmatism in this region.

Efficiency improvement of foam-acid treatments and selective large-volume acidizing at carbonate reservoirs of Tatneft PJSC

2019 ◽  
Vol 11 ◽  
pp. 116-119
Author(s):  
M.Kh. Musabirov ◽  
◽  
A.Yu. Dmitrieva ◽  
R.F. Khusainov ◽  
E.M. Abusalimov ◽  
...  
Keyword(s):  
Large Volume ◽  
Carbonate Reservoirs ◽  
Efficiency Improvement ◽  
Acid Treatments
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