Fracture Gradient Prediction And Its Application In Oilfield Operations Pdf

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fracture gradient prediction and its application in oilfield operations pdf

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Application of Quantitative Risk Analysis to Pore Pressure and Fracture Gradient Prediction

Skip to search form Skip to main content You are currently offline. Some features of the site may not work correctly. DOI: Liang Published Engineering. The present deterministic pore pressure and fracture gradient prediction techniques simplify the input variables from a statistical range of data to a deterministic value, thereby producing over-simplified deterministic pore pressure and fracture gradient results.

As a consequence, we lose the ability to quantitativel y analyze risks, and we cannot quantify the uncertainties of our pore pressure and fracture gradient prediction. View via Publisher. Save to Library. Create Alert. Launch Research Feed. Share This Paper. Methods Citations. Figures from this paper. Citation Type. Has PDF. Publication Type. More Filters.

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Application of Quantitative Risk Analysis to Pore Pressure and Fracture Gradient Prediction

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Fracture Gradient Prediction and Its Application in Oilfield Operations In arriving at a new method of predicting formation fracture gradients, it was found that overburden load, Poisson's ratio for rocks, This content is only available via PDF.


Fracture Gradient Prediction and Its Application in Oilfield Operations

Ahmed, A. December 8, Energy Resour. March ; 3 :

This invention is in the field of hydrocarbon well planning, and is more particularly directed to the determination of pore pressure and fracture gradient profiles at locations where hydrocarbon wells may be drilled. In the field of oil and gas production, the design of new wells has become a critical factor in minimizing drilling cost and in ensuring successful production. Proper well planning includes such factors as the weight of the drilling mud to be used during the drilling operation, and the necessity for and design of casing strings. The selection and planning of mud weight and casing depend primarily upon the pore pressure of fluid bearing formations below the surface of the earth. On one hand, the drilling mud weight cannot exceed the pressure at which a formation will fracture.

Fracture gradient prediction: an overview and an improved method

Eaton, Ben A.. In arriving at a new method of predicting formation fracture gradients, it was found that overburden load, Poisson's ratio for rocks, and pressure gradients vary with depth.

Prediction of formation fracture pressure is an essential task in designing safer drilling operations and economical well planning, allowing effective control, operation and stimulation. Errors in fracture pressure prediction can lead to several serious problems such as lost circulation and kick, and even blowout. This paper presents an overview on application of artificial intelligent in the petroleum industry. The results obtained from the model are compared with those obtained from conventional method.

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