Feasibility Study of Drilling Foam Formulation in Iran

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Hadi, Hossein | 2010

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Type of Document: M.Sc. Thesis
Language: Farsi
Document No: 41083 (06)
University: Sharif University of Technology
Department: Chemical and Petroleum Engineering
Advisor(s): Massihi, Mohsen; Shadizadeh, Reza
Abstract:
Nowadays, foaming agents have wide applications in drilling, cementing, fracturing and oil displacement in the petroleum industry. Typical applications are to make light fluids for drilling operations in naturally fractured reservoirs where lost circulation is a problem. Compared with conventional and aerated drilling fluids, foamy mud is a compressible and relatively homogeneous mixture. A great flexibility for pressure control is thus possible. In this study, a new foaming agent of Yas-Khorramshahr Company is introduced to drilling fluids. Stability of this agent at different concentration and in presence of Salt and crude oil is tested. Also common drilling muds are lightened and formulated using this foaming agent to make light drilling muds with good rheological properties. Using mentioned experiments, optimum concentration of foaming agent is found. Furthermore, some foamy muds that can be used for drilling of Iranian fields are introduced
Keywords:
Foam ; Viscosity ; Rheology ; Lost Circulation ; Foam Stability ; Mud Weight

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