Challenges and potentials for sand and flow control and management in the sandstone oil fields of Kazakhstan: A literature review

Mohammad Soroush, Morteza Roostaei, Seyed Abolhassan Hosseini, Mohammad Mohammadtabar, Peyman Pourafshary, Mahdi Mahmoudi, Ali Ghalambor, Vahidoddin Fattahpour

نتاج البحث: المساهمة في مجلةReview articleمراجعة النظراء

4 اقتباسات (Scopus)


Kazakhstan owns one of the largest global oil reserves (approximately 3%). This paper aims at investigating the challenges and potentials for production from weakly consolidated and unconsolidated oil sandstone reserves in Kazakhstan. We used the published information in the literature, especially those including comparative studies between Kazakhstan and North America. Weakly consolidated and unconsolidated oil reserves in Kazakhstan were studied in terms of the depth, pay-zone thickness, viscosity, particle-size distribution (PSD), clay content, porosity, permeability, gas cap, bottomwater, mineralogy, solution gas, oil saturation, and homogeneity of the pay zone. The previous and current experiences in developing these reserves were outlined. The stress condition was also discussed. Furthermore, the geological condition, including the existing structures, layers, and formations, were addressed for different reserves. Weakly consolidated heavy-oil reserves in shallow depths (less than 500-m true vertical depth) with oil viscosity of approximately 500 cp and thin pay zones (less than 10 m) have been successfully produced using cold methods; however, thicker zones could be produced using thermal options. Sand management is the main challenge in cold operations, while sand control is the main challenge in thermal operations. Tectonic history is more critical compared with the similar cases in North America. The complicated tectonic history necessitates geomechanical models to strategize the sand control, especially in cased and perforated completions. These models are usually avoided in North America because of the less-problematic conditions. Further investigation has shown that inflow-control devices (ICDs) could be used to limit the water breakthrough, because water coning is a common problem that begins and intensifies the sanding. This paper provides a review on challenges and potentials for sand control and sand management in heavy-oil reserves of Kazakhstan, which could be used as a guideline for service companies and operators. This paper could be also used as an initial step for further investigations regarding the sand control and sand management in Kazakhstan.

اللغة الأصليةEnglish
الصفحات (من إلى)208-231
عدد الصفحات24
دوريةSPE Drilling and Completion
مستوى الصوت36
رقم الإصدار1
المعرِّفات الرقمية للأشياء
حالة النشرPublished - مارس 2021
منشور خارجيًانعم

ASJC Scopus subject areas

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