Evaluasi Lumpur Pemboran Di Zona Loss Sirkulasi Pada Pemboran Geothermal Sumur X Lapangan Y

Tanjung, Wahid Aji Pangestu (2022) Evaluasi Lumpur Pemboran Di Zona Loss Sirkulasi Pada Pemboran Geothermal Sumur X Lapangan Y. Other thesis, Universitas Islam Riau.

Text 153210576.pdf - Submitted Version Download (1MB)

Abstract

When carrying out the drilling process there will be many possibilities for damage and the formation of natural fractures in each formation. Lost circulation during drilling can be characterized by reduced pump pressure, reduced flow of mud back to the surface, reduced volume of mud in the tank and increased mud flow in the flowline which will hamper the drilling process and cost more. In an oil and geothermal industry, good mud circulation is needed in drilling activities. Lost circulation is one of the problems during drilling, namely the loss of part or all of the drilling mud into the formation being drilled, so that the removal of cuttings to the surface is not effective due to imperfect mud circulation. The circulation loss zone is a drilling problem that can hinder drilling operations from reaching the total depth, but on the other hand the circulation loss zone is a reservoir prospect area so it must be maintained so as not to be damaged. In drilling geothermal wells when penetrating circulation loss is one of the drilling problems, but blockages with lost circulation material (LCM) or cementing should not be carried out because they can damage the reservoir but by doing blind drilling. Problems that can arise due to incorrect use of drilling mud are for example the occurrence of pinched pipes, clay expansion, loss of circulation, and can lead to wild outbursts. This evaluation is carried out to prevent lost circulation and to manage mud loss during drilling.

Actions (login required)

View Item