By Ted G. Byrom (Auth.)
The Gulf Drilling sequence is a joint undertaking among Gulf Publishing corporation and the foreign organization of Drilling Contractors. the 1st textual content during this sequence provides casing layout and mechanics in a concise, two-part layout. the 1st half specializes in simple casing layout and instructs engineers and engineering scholars tips to layout a secure casing string. the second one half covers extra complicated fabric and certain difficulties in casing layout in a straightforward layout. the right way to choose sizes and surroundings depths to accomplish good ambitions, ascertain casing a lot for layout reasons, layout casing houses to satisfy burst, cave in and tensile power necessities and behavior casing working operations correctly and successfully.
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Extra resources for Casing and Liners for Drilling and Completion
For instance, a string of casing with a mass of 500,000 lb might weigh 498,725 lbf at the equator and 501,275 lbf at one of the poles. We are not going to consider local variations of g in this text, but instead use an average value, called the standard gravity. Such an average value was adopted by the Conférence Générale des Poids et Mesures (CGPM) in 1901 and defined as the standard gravity to be used in legal weights and measures. 2 Units of Measure 25 It is not likely that the local acceleration of gravity will deviate enough from the standard gravitational acceleration to significantly affect our calculations, but it is important to understand these definitions and assumptions.
The deflection equation was given so that the assignment was only a computer exercise. 00 in. ” I assume it must be in inches, since all other length measurements were given in inches. Did this student even notice that the deflection was about 17 times the original length of the beam? And what astounding precision had been accomplished! I could not even make up a scenario this ridiculous. The students were taught better than that, but for some strange reason computers seem to make a lot of people dumber rather than smarter.
And, since these seals are also dependent on the compression of the metal surfaces, 14 Chapter 1—Oil-Field Casing the type of thread lubricant is important to achieve the desired makeup torque. There is a secondary type of sealing mechanism, called resilient seals or rings. Resilient seals typically are polymer rings inserted into a special recess in the threaded area to provide additional seals to keep gas or corrosive fluids out of the thread gaps. They usually are not considered a primary seal but only an additional seal to improve the quality of an interference seal or a corrosion prevention mechanism for some metal-tometal seals.
Casing and Liners for Drilling and Completion by Ted G. Byrom (Auth.)