Februari 24, 2010 § 2 Komentar

this is published as requirement for indonesian petroleum association. the wohle part is not stated here


Poorly consolidated and unconsolidated reservoir has created its own problem. People knows sand production as a big trouble as effect of poorly consolidated and unconsolidated reservoir. Sand production causes erodes tanks and pipe lines, increase maintenance cost, lost oil production. Many researches and papers has been published concerning on this topic. Based on the observation we conclude that sand problem could be solved by injecting the polymer to cement or to consolidate the sand grains. Hence it was not carried out together with oil production. Adhesive characteristics owned by the polymers are the key for the work.

After evaluating previous work, epoxy resin and furan resin are mostly used. Both enhance good attempt to achieve better result among others. Nevertheless it is never stated the comparation between both resin on a one work. Each research showed their own strength utilizing their own polymer. So that readers are less chance to compare the best.

What we have done are to select all alternative polymers which can be used to overcome sand production. Readers will be able to evaluate the best resin by their own. Furan resin and epoxy resin used on our work, as the best resin so far, will be compared directly. Furan resin are thermally stable and  experience self condensation with existing acid catalyst. Polymer produced are strong and brittle but low adhesion compared to epoxy resin. Meanwhile epoxy resin will create polymer with great stiffness and strongly bind caused by crosslink structure.

This work had few steps. Firstly, it is important to remove the formation fluid from the reservoir before injecting resin, well known as preflush system. Mud acid or alcohol mostly acts its role for this objective. Alcohol preflush to remove clay mineral around the rock sand. The agent used for preflush system must be suitable with the resin. After that, resin solution is injected to the reservoir and completed with overflush. All steps must be completed as an unity tocreate the best result.

After consolidating the sand rock, the next step for this work is to enhance the permeability. It will be approached by adjusting the concentration for resin used in the system. By examining any range of concentration we evaluate the best one those fullfiled all parameter wanted, to consolidate sand rock and to enhance the permeability.


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§ 2 Responses to Introduction

  • 65390 berkata:

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  • andri0204 berkata:

    it’s a pleasure for me to share knowledge related to this topic. you are welcome to spread this writing if only you put the source 🙂

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