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Gas Well Deliquification–A Brief Comparison between Foam Squeeze and Foam Batch Approach

O. Rauf
Fangmann Energy Services, Salzwedel, Germany
Abstract—With aging of gas fields in Germany, water accumulation and reduction in production was evident. Investigations suggested that the reduction in production in those fields were not merely a function of water accumulation but near wellbore damage also ally to that. Several conventional approaches were applied to cope with water accumulation and removing near well bore damage but they were not successful in all cases. An approach of pumping foam and additives has been tried in the field and named as foam batch (FB). It turns out to be successful but due to some limitation associated, it has been taken over by foam squeeze. Foam squeeze (FS) had been tested few years ago and it sets new standards to deliquify gas field and removing near wellbore damage in one treatment. Expanding the scope of application, FB was applied in whole field and it produced remarkable results by bringing dead wells (due to water flooding) back to production. Later FB treatment had been supplemented with additional additive pumping to achieve wide range benefits of near well bore damage removal and gas well deliquification. The paper will elaborate the difference between foam batch and foam squeeze. A case study will also be presented to show the difference among both approaches.

Index Terms—gas well deliquification, foam squeeze, foam application, treatment for water flooded gas well

Cite: O. Rauf, "Gas Well Deliquification–A Brief Comparison between Foam Squeeze and Foam Batch Approach," Journal of Industrial and Intelligent Information, Vol. 3, No. 1, pp. 45-47, March 2015. doi: 10.12720/jiii.3.1.45-47
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