With the growth of deep drilling and the complexity of the well profile, the requirements for a
more complete and efficient exploitation of productive formations increase, which increases …

Rheological and filtration characteristics of drilling fluids are considered as two critical
aspects to ensure the success of a drilling operation. This research demonstrates the …

This research aims to develop low cost, sustainable, environmentally friendly, and high
performance water-based drilling fluids (WDFs) using bentonite (BT), polyanionic cellulose …

During oil and gas well drilling, the filtration control of bentonite water-based drilling fluids
(BT-WBDFs), as an environmentally friendly fluid, is crucial to avoid formation damage and …

Exploration of shale gas has indeed changed the dynamics of the petroleum industry.
Efficient drilling in shale bearing zones largely depends on the nature of drilling fluid that are …

The article discusses researches performed in the Well Drilling Department of the St.
Petersburg Mining University. The directions of development of the department are shown …

Based on the molecular structure requirement of the synthesized polymer resistant to higher
temperature and the lower cost demand of water-based drilling fluid system, a kind of …

Energy cane bagasse (ECB) is the major residue after the cane is milled to extract juice for
sugar, biochemical, and/or biofuel production. The sustainable conversion of ECB into high …

Well wall collapse due to massive fluid in water-based drilling fluids (WDFs) intrusion into
the reservoir is an urgent issue during oil drilling. In this study, we synthesized the poly (ionic …

Drilling fluid properties can be modified using a variety of nano-additives to achieve specific
rheological and physical characteristics. Selected invert-emulsion drilling fluids modified …