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Steerable motors are used to drill the kick-off point. When drilling the kick-off point be sure to avoid drilling a soft formation immediately below a hard one. In hard abrasive formations the high-side forces at kick off can cause severe bit shank wear. Ideally the kick-off point should be selected in a non-abrasive homogenous formation. [2]
KBUG – kelly bushing underground (drilling up in coal mines, West Virginia, Baker & Taylor drilling) KCI – potassium chloride; KD – kelly down; KMW – kill mud weight; KOEBD – gas converted to oil-equivalent at 6 million cubic feet = 1 thousand barrels; KOH – potassium hydroxide; KOP – kick-off point (directional drilling) KOP ...
As technology has advanced, more modern drillers have better control of the overall well. Oil well control is the management of the dangerous effects caused by the unexpected release of formation fluid, such as natural gas and/or crude oil, upon surface equipment of oil or gas drilling rigs and escaping into the atmosphere.
A kickoff meeting is the first meeting with the project team and with or without the client of the project. [1] [2] This meeting would follow definition of the base elements for the project and other project planning activities.
Controlled losses allow drilling to continue while keeping the wellbore full, preventing an influx of gas or fluid into the wellbore, known as a "kick", which can lead to a blowout. [ 4 ] A number of options are available when lost circulation occurs, depending on the severity. [ 4 ]
high drilling rates; lowered drill pipe torque and drag, less bit balling and; reduction in differential sticking. Oil-based muds are expensive, but are worth the cost when drilling through: troublesome shales that would otherwise swell and disperse in water based mud e.g. smectite, to drill deep, high-temperature holes that dehydrate water ...
The principle of mud/gas separation for different types of vessels is the same. [3]Closed bottom type; Open bottom type; Float type; The closed-bottom separator, as the name implies, is closed at the vessel bottom with the mud return line directed back to the mud tanks.
The methods used to direct the well path fall into two broad categories, these being “push-the-bit” or “point-the-bit”. Push-the-bit tools use pads on the outside of the tool which press against the well bore thereby causing the bit to press on the opposite side causing a direction change.