... has been addressed in this paper. fracture mechanics geometry hydraulic fluids oil drilling sand 10 02 2010 04 04 2011 23 12 2011 23 12 2011 2012 American Society of Mechanical Engineers ...

... drilling operations. One of the key to resolve frequently occurring and harsh drilling problems is controlling the rheology of the drilling fluids. additives cleaning hydrostatics nanotechnology oil drilling particle size rheology shear strength viscosity 08 09 2010 02 09 2011...

... of this study will help drillers have a better understanding in terms of undesirable density fluctuations and barite bed characteristics. 20 07 2010 05 04 2011 17 06 2011 17 06 2011 flowmeters non-Newtonian fluids oil drilling partial differential equations pipe flow shear flow...

... cuttings by vermicomposting had considerable fertilizing effect on ryegrass and trees. 11 05 2006 24 05 2007 cutting fertilisers oil drilling waste disposal oil based drilling fluids drilling waste drill cuttings composting technique Oil based drilling fluids are known...

... frequency response oil drilling stability vibrations 05 11 2004 07 05 2007 Solution of Eq. 2 produces the roots λ i of its characteristic equation (eigenvalues), where the natural frequencies ω i are given by ω i 2 = λ i , i = 1 , 2...

... oil drilling drilling machines planning There are basically two general ways to reach a subsurface target with a three-dimensional (3D) well trajectory: (1) to reach the target with no restrictions concerning the inclination and azimuth and (2) to reach the target with either a given...

... vibrations bit-bounce active control oil drilling vibrations dynamic response 05 06 2005 19 02 2006 2006 American Society of Mechanical Engineers ...

... with published results, show that the proposed method yields fast solution with significant average increase in oil production rate and profit. 28 01 2005 15 02 2006 linear programming integer programming oil drilling combinatorial mathematics lift-gas allocation multiple facility...

... the pitch and the diameter of the housing is obtained to achieve a maximum flow rate for multilobe pumps. 27 10 2003 07 02 2006 pumps design engineering oil drilling The use of progressing cavity pumps (PCPs) based on the Moineau principle as a means of artificial lift has...

.... magnetic sensors magnetic shielding drilling machines oil drilling magnetic materials petroleum magnetic field measurement magnetic surveying wellbore positioning drilling fluids The drilling fluid is one of the factors that may contribute significantly to errors in directional...

... surfactants surface energy oil drilling 2005 American Society of Mechanical Engineers ...

... 2002 16 November 2003 29 03 2005 laminar flow pipe flow turbulence rheology hydraulic systems polynomials oil drilling Hydraulics play an important function in many oil field operations, including drilling, completion, fracturing, acidizing, workover, and production...

... 73790. 03 09 2004 17 03 2005 oil drilling gas industry chemical reactions Formation damage can occur during drilling, completion, or workover operations ( 1 2 3 ). It can also occur during normal daily injection or production. Finally, it can occur during well...

... to conventional level control systems for performance enhancement of oil field well testing. Concepts demonstrated here can also be easily applied as retrofits to existing separation facilities, which show accuracy or upset problems. 11 02 2005 04 03 2005 process control testing oil drilling...

... drilling efficiency and preventing drilling troubles. Because of the need for bit selection and setting of drilling conditions to match different lithologies, the right decision is critical to the exchange of a worn bit and to avoid loss of cones. rocks oil drilling mechanical strength wear...

... marine systems stress analysis oil drilling differential equations This paper addresses the design of tapered stress joints, which are assumed in this study to be located at the top of marine risers. The operational scenario is one in which the riser is rigidly attached to a subsea platform...