... 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 time. 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 two-phase flow During drilling operations, control of subsurface pressure is of utmost importance. High...

... increase was much larger than could be explained by the limiting effect of the calcium in the composts, but the reason for the large p H increase was not further studied. 11 05 2006 24 05 2007 cutting fertilisers oil drilling waste disposal oil based drilling fluids...

... oil drilling stability vibrations drill strings vibrations bits stability testing damping modes Test rigs have been built by companies and research institutions to study the behavior of drill bits and drill strings. Their purpose is primarily to test designs of bits, cutters...

... steering. 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...

... 19 02 2006 oil drilling vibrations dynamic response drilling stick-slip vibrations bit-bounce active control Oil-well drilling operations are usually hampered by severe vibrations that often lead to failures of drillstrings and down-hole equipment. The high costs incurred...

... (PRH-34-ANP/MCT). The superscript 5 denotes the number of facility constraints represented by the formulation. 28 01 2005 15 02 2006 linear programming integer programming oil drilling combinatorial mathematics lift-gas allocation multiple facility constraints...

... 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 several advantages over other artificial lift methods. The basic parts of a Moineau-type motor involve a stator housing...

... magnetic sensors magnetic shielding drilling machines oil drilling magnetic materials petroleum magnetic field measurement 2006 American Society of Mechanical Engineers ...

... hazards. Solvent/surfactant/aqueous micro-emulsion systems have been created to address these issues more effectively. microemulsions additives optimisation permeability surfactants surface energy oil drilling 23 06 2004 24 04 2005 Surface activity (i.e., surface/interfacial...

... 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. In the case of drilling, however, the role of hydraulics...

... 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...

... demonstrates that use of GVF feedback prevents excessively high or low separator level. As a result it also reduces surging of downstream liquid flow rate, improving the operability of the multiphase meter. 11 02 2005 04 03 2005 process control testing oil drilling separation...

... T ed for the drilling of medium hard to hard rock types. 13 u / N - F / d plot for 3-7/8 in. tooth bits in Ooya tuff drilled at 50 rpm   rocks oil drilling mechanical strength wear As mentioned in Ref. 1 , the measurement of both in situ rock...

... 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...