Wellbore Plugging Using Hydrated Bentonite
Historically, the oil and gas industry has used cement to plug abandon wells. This has been an effective procedure to capping unwanted wells. In the recent past several companies and institutions have begun to look at an alternative method to plugging these wells. This method involves using bentonite clay, a very common material in oil & gas drilling. One of the major benefits include the cut in costs, however a chief concern is the effects of saline solution on the integrity of the bentonite plug. Hydrated bentonite was tested using a lab setup of four, 10'x4" stands of casing. Each casing was ...
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