Increasing the stimulation efficiency of heterogeneous carbonate reservoirs by developing a multi-bached acid system
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Petroleum Science and Engineering"
DOI: 10.1016/j.petrol.2018.09.034
Abstract: Abstract Matrix acidizing is a common practice in the oilfield for minimizing formation damage through dissolution of the reservoir rocks and making appropriate wormholes. For obtaining the highest performance in the acidizing and stimulation treatments,… read more here.
Keywords: system; acid system; batch; multi ... See more keywords
Research and Evaluation of a New Autogenic Acid System Suitable for Acid Fracturing of a High-Temperature Reservoir
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DOI: 10.1021/acsomega.0c00336
Abstract: An organic ester p-nitrobenzyl acetate (PNBA) was synthesized and used to establish a kind of autogenic acid system through the hydrolysis of ester to acetic acid in situ. The autogenic acid system can form a… read more here.
Keywords: temperature; acid system; suitable acid; acid ... See more keywords
ZnI2/Zn(OTf)2-TsOH: a versatile combined-acid system for catalytic intramolecular hydrofunctionalization and polyene cyclization.
Sign Up to like & getrecommendations! Published in 2019 at "Chemical communications"
DOI: 10.1039/c9cc07242j
Abstract: A mild and efficient combined-acid system using a zinc(ii) salt [ZnI2 or Zn(OTf)2] and p-toluene sulfonic acid (TsOH) was investigated for catalytic cationic cyclizations, including intramolecular hydrocarboxylation, hydroalkoxylation, hydroamination, hydroamidation, hydroarylation and polyene cyclizations. This… read more here.
Keywords: acid system; zni2 otf; combined acid; tsoh ... See more keywords