Lost circulation can cause an increase in time and cost of operation. Pipe sticking, formation damage and uncontrolled flow of oil and gas may be consequences of lost circulation. Dealing with this problem is a key factor to conduct a successful drilling
Pouria Behnoud Far
exaly +4 more sources
Bridging Performance of New Eco-Friendly Lost Circulation Materials [PDF]
Lost circulation is one of the most important concerns of the drilling industry, causing excessive expenditure and increasing the non-productive drilling time.
Masood Mostofi +2 more
exaly +5 more sources
Smart lost circulation materials for productive zones [PDF]
Lost circulation has been a serious problem while drilling that may lead to heavy financial costs in the form of lost rig time and lost mud fluid. In severe cases, it can lead to well blowout with serious environmental hazards and safety consequences ...
Ahmed Mansour +4 more
doaj +3 more sources
By reviewing the mechanisms of drilling fluid lost circulation and its control in fractured formations, the applicability and working mechanisms of different kinds of lost circulation materials in plugging fractured formations have been summarized ...
Yingrui Bai +2 more
exaly +3 more sources
Implementing Artificial Neural Networks and Support Vector Machines to Predict Lost Circulation
Lost circulation is one of the major challenges encountered during drilling operations. The events related to the lost circulation can be responsible for losses of hundreds of millions of dollars each year.
Ahmed K Abbas
exaly +4 more sources
Preparation and Performance Evaluation of a Supramolecular Gel Plugging Agent for Severe Lost Circulation Gas Reservoirs [PDF]
The plugging of fractured gas reservoirs with severe lost circulation during oil and gas drilling and production has long been challenged by technical issues such as low plugging strength and short effective duration.
Yingbiao Liu +7 more
doaj +2 more sources
Status and Prospect of Drilling Fluid Loss and Lost Circulation Control Technology in Fractured Formation [PDF]
Lost circulation in fractured formation is the first major technical problem that restricts improvements in the quality and efficiency of oil and gas drilling engineering.
Jingbin Yang +5 more
doaj +2 more sources
Preparation and Performance of Resin-Gel–Rubber Expandable Lost Circulation Material Blend [PDF]
Aiming at the complex strata, lost circulation often occurs. and lost circulation control becomes a difficult issue. A drilling fluid loss accident delays the drilling progress and even causes major economic losses.
Jinzhi Zhu +4 more
doaj +2 more sources
Preparation and Performance Evaluation of a Lost-Circulation-Control Gel for Fractured Formations [PDF]
To address the dual challenges of severe lost circulation and wellbore instability in fractured formations, an acrylamide-based lost-circulation-control gel (DF-PG) was synthesized via aqueous-solution free radical polymerization using acrylamide (AM ...
Yundong Zheng +7 more
doaj +2 more sources
Lost circulation intensity characterization in drilling operations: Leveraging machine learning and well log data [PDF]
Lost circulation is one of the important challenges in drilling operations and bears financial losses and operational risks. The prime causes of lost circulation are related to several geological parameters, especially in problem-prone formations. Herein,
Ahmad Azadivash
doaj +2 more sources

