A saturated-salt/synthetic-polymer drill-in fluid system with medium-coarse-grind CaCO3 provided good drilling performance as well as minimum formation damage in a high-temperature, sour-gas, naturally fractured formation. Drilling data and initial production from a well in the southwest Pannonian basin in Croatia verified the laboratory results.
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Southwest Petr Univ, State Key Lab Oil & Gas Reservoir Geol & Exploita, Chengdu 610500, Peoples R ChinaSouthwest Petr Univ, State Key Lab Oil & Gas Reservoir Geol & Exploita, Chengdu 610500, Peoples R China
Guo, Xiao
Wang, Pengkun
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Southwest Petr Univ, State Key Lab Oil & Gas Reservoir Geol & Exploita, Chengdu 610500, Peoples R ChinaSouthwest Petr Univ, State Key Lab Oil & Gas Reservoir Geol & Exploita, Chengdu 610500, Peoples R China
Wang, Pengkun
Ma, Jingjing
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PetroChina Southwest Oil & Gas Field Co, Chengdu 610500, Peoples R ChinaSouthwest Petr Univ, State Key Lab Oil & Gas Reservoir Geol & Exploita, Chengdu 610500, Peoples R China
Ma, Jingjing
Jia, Changqing
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PetroChina Southwest Oil & Gas Field Co, Chengdu 610500, Peoples R ChinaSouthwest Petr Univ, State Key Lab Oil & Gas Reservoir Geol & Exploita, Chengdu 610500, Peoples R China