Squeezing Scale Inhibitors to Protect Electric Submersible Pumps in Highly Fractured, Calcium Carbonate Scaling Reservoirs (Russian)

The paper presents the description of an integrated approach, which is implemented in a program module and allows predicting scale deposition in well based on distributions of specific multiphase flow parameters (temperature, pressure, and gas content). Parameters are obtained from calculated pump operation regimes. The method's apparent advantages are presented, namely: -automatic input of reservoir water/gas chemical content data, -numerical estimation of scale deposition risk in different well sections by means of the saturation index, -built-in tips on selecting the optimal scale prevention technology specifying the inhibitor type and amount, -prediction of pump life cycle buildup, -estimation of the expected economic benefit caused by scale prevention. The prediction method of scale deposition and the algorithm of selection of the scale prevention technology can be successfully used during analysis of scale deposition risk and planning the activities for scale prevention for a group of oil wells or oilfield. The proposed algorithmic module has been tested in a number of active oil fields of Western Siberia, and has already garnered positive references from production professionals. This module is planned to serve as a basis for similar modules for forecasting risks of mechanical dashes, corrosion and paraffin buildup.

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Technical and Economic Strategy in the Scale Deposition Management is an Important Factor in Enhancement the Efficiency of Oil Production

Волошин

Ragulin²,

Nevyadovsky³

et al. 2010

All Days

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The deposition of inorganic substances that accumulate in the Electric Submersible Pumps (ESP′s), tubing, and piping systems, equipment for the collection of oil is a significant complicating factor in oil production. The practical results of scale management was shows that the cost of prevention scale deposition is ten times less than the financial cost to remedy the effects of scaling. This paper presents the main provisions of the technical and economic management strategy scaling in the West Siberian oil fields Rosneft, are the criteria for selecting technologies to prevent scaling, implemented in the form of matrices and patterns, as applicable, developed an integrated approach based on the identification of “bottlenecks” in the full cycle of oil production: from the producing formation to the processes of the oil. Depending on the degree of salt saturation of formation water, oil sold technology, offers a range of technologies to combat scaling - from simple, traditional methods of protection to more complex integrated treatments. It is shown that the implementation of such an approach leads to a significant reduction in costs due to the problem of scaling.

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Squeezing Scale Inhibitors to Protect Electric Submersible Pumps in Highly Fractured, Calcium Carbonate Scaling Reservoirs (Russian)

Cited by 4 publications

References 0 publications

Predicting and Prevention Scale Deposition in Oil Production of the Bazhenov Formation of the Priobskoye Oilfield

Predicting and Prevention Scale Deposition in Oil Production of the Bazhenov Formation of the Priobskoye Oilfield

Scale Deposition Prediction for Pump Design in Oil Wells

Technical and Economic Strategy in the Scale Deposition Management is an Important Factor in Enhancement the Efficiency of Oil Production

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