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Managed Pressure Drilling Techniques, Equipments, and Applications
Date
2012-03-01
Author
Kök, Mustafa Verşan
Metadata
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In most of the drilling operations it is obvious that a considerable amount of money is spent for drilling related problems, including stuck pipe, lost circulation, and excessive mud cost. In order to decrease the percentage of non-productive time caused by these kind of problems, the aim is to control annular frictional pressure losses especially in the fields where pore pressure and fracture pressure gradient is too close, which is called narrow drilling window If we can solve these problems, the budget spent for drilling the wells will fall, therefore, enabling the industry to be able to drill wells that were previously uneconomical. Managed pressure drilling is a new technology that allows us to overcome these kinds of drilling problems by controlling the annular frictional pressure losses. As the industry remains relatively unaware of the full spectrum of benefits, this thesis involves the techniques used in managed pressure drilling with an emphasis upon revealing several of its lesser known and, therefore, less appreciated applications.
Subject Keywords
Constant bottom-hole pressure
,
Dual gradient
,
Managed pressure drilling
,
Pressurized mud cap drilling
,
Return flow control
URI
https://hdl.handle.net/11511/48445
Journal
ENERGY SOURCES PART A-RECOVERY UTILIZATION AND ENVIRONMENTAL EFFECTS
DOI
https://doi.org/10.1080/15567036.2010.516319
Collections
Department of Petroleum and Natural Gas Engineering, Article
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In the most of the drilling operations it is obvious that a considerable amount of money is spent for drilling related problems; including stuck pipe, lost circulation, and excessive mud cost. In order to decrease the percentage of non-productive time (NPT) caused by these kind of problems, the aim is to control annular frictional pressure losses especially in the fields where pore pressure and fracture pressure gradient is too close which is called narrow drilling window. If we can solve these problems, th...
performance analysis of drilling fluid liquid lubricants
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Gürçay, Kazım Onur; Akın, Serhat; Gücüyener, İsmail Hakkı; Department of Petroleum and Natural Gas Engineering (2018)
Accurate estimation of friction pressure loss through annulus is important to avoid lost circulation, pipe sticking, kicks or more serious problems in drilling and well completion operations. Several studies have been performed to determine friction pressure loss experimentally and theoretically through pipe and annulus with the effects of eccentricity, pipe rotation, annulus geometry or flow regime by applying several rheological models. However, in addition to all of these factors, fluid rheology is depen...
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Shallow water flow and lost circulation are frequently encountered problems during drilling top holes of oil, gas or geothermal wells. Plenty of methods have been applied to overcome these problems. Placement of silicate based gel systems is one of the oldest methods to seal such undesired zones. For this study, sodium-silicate based gel system is investigated experimentally. This gel system is deliberately delayed multi-component system mixed as a uniform liquid at the surface but desired to form strong ge...
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M. V. Kök, “Managed Pressure Drilling Techniques, Equipments, and Applications,”
ENERGY SOURCES PART A-RECOVERY UTILIZATION AND ENVIRONMENTAL EFFECTS
, pp. 591–601, 2012, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/48445.