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Advanced Technologies in Well Drilling |
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BOREMAX drilling muds and KCL inhibited drilling muds. These types of mud may be used to prevent swelling of clayey particles in order to avoid contamination of the bottomhole zone of the pay formation, improve drilling of unstable shales by preventing their interaction with the liquid phase of the mud, and exclude hole enlargement and rock erosion – that is, to reduce the risk of borehole stability problems. They also allow to reduce the dilution of mud and, therefore, minimize the volume of mud and cuttings to be dumped into the slush pit.
Packer-assisted perforation with the drawdown up to 90 bar. Instead of swabbing, drawdown may be generated by running a packer as a component of the perforation assembly. This method saves time, allows generating drawdown safely and efficiently, and provides initial data on potential well flow rate.
Geophysical operations in wells. The use of high-resolution PEX instruments by Schlumberger allows to select the perforation interval with a greater accuracy, preventing the ingress of water into the produced oil.For geophysical operations in wells with large horizontal displacement, Sclumberger’s TLC technology of drill stem logging may be used. Possible alternatives include traditional through-stem logging using SlimAccess instruments by Schlumberger to improve the quality of data, or rigid-wireline logging.
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INFORMATION |
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Copyright © 2004 Salym Petroleum Development N. V.
// Russia, 31, Novinsky blvd, Moscow,
Tel.: +7 (495) 518-97-20,
Email: info@spdnv.ru |
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