A drilling stabilizer is a piece of downhole equipment used in the bottom hole assembly (BHA) of a drill string. It mechanically stabilizes the BHA in the borehole in order to avoid unintentional sidetracking, vibrations, and ensure the quality of the hole being drilled.
It is composed of a hollow cylindrical body and stabilizing blades, both made of high-strength steel. The blades can be either straight or spiralled, and are hardfaced for wear resistance.
Several types of drilling stabilizers are used in the oilfield today. While integral stabilizers (fully machined out of a single piece of steel) tend to be the norm, other types can be used, such as :
Replaceable sleeve stabilizer, where the blades are located on a sleeve, which is then screwed on the body. This type can be economical when no repair facilities are available close to the well being drilled and air freight has to be used.
Welded blades stabilizer, where blades are welded onto the body. This type is usually not advised on oil wells due to the risks of losing blades, but is regularly used when drilling water wells or on low-cost oilfields.
Usually 2 to 3 stabilizers are fitted into the BHA, including one just above the drill bit (near-bit stabilizer) and one or two among the drill collars (string stabilizers).
and 25 Related for: Drilling stabilizer information
A drillingstabilizer is a piece of downhole equipment used in the bottom hole assembly (BHA) of a drill string. It mechanically stabilizes the BHA in...
the bottom hole assembly in oil drilling Gyroscopic stabilizer (disambiguation), on ships and aircraft Gun stabilizer, or gyrostabilizer, a device that...
A drill string on a drilling rig is a column, or string, of drill pipe that transmits drilling fluid (via the mud pumps) and torque (via the kelly drive...
at the end of drilling, or when a change of equipment is needed. Drilling rig Driller (oil) Hole opener Drill bit Drillingstabilizer Drillstar Z-Reamer...
three rollers in one transverse section. Drilling rig Driller (oil) Drag bit Drill bit Drillingstabilizer Hole opener Roller Reamer 3-point / 6-point...
remain suspended in the drilling fluid. The widespread use of horizontal drilling and the demand for good control of drilled solids has led to its expanded...
conditioner, as a stabilizer for ion-exchange resins in water treatment, in the remediation of polluted environments and as a drilling additive. It was...
Drill pipe, is hollow, thin-walled, steel or aluminium alloy piping that is used on drilling rigs. It is hollow to allow drilling fluid to be pumped down...
Flight Auger or Continuous Flight Auger Reverse circulation drilling Ring bit concentric drilling Eurocode EN 1997 International Society for Micropiles Post...
instead of an offset stabilizer, is that it provided a straighter hole with less of a corkscrew effect, which in turn made drilling more efficient, faster...
and heavy weights, such as vehicles; to raise and lower the horizontal stabilizers of aircraft; and as adjustable supports for heavy loads, such as the...
made of nitroglycerin, sorbents (such as powdered shells or clay), and stabilizers. It was invented by the Swedish chemist and engineer Alfred Nobel in...
component of a drilling rig. It is the lowest part of the drill string, extending from the bit to the drill pipe. The assembly can consist of drill collars,...
and manufacturing team introduced the Navi-Drill line of downhole drilling motors, which has led the drilling industry in performance and reliability for...
road construction. However, the swelling property is used to advantage in drilling mud and groundwater sealants. The montmorillonite / smectite making up...
suspenders) Brace (tool), a hand tool for drilling holes, also known as a bit brace Brace (theatre), a stabilizer for a piece of scenery A reinforcement...
consist of refined crude oil. Petroleum is primarily recovered by oil drilling. Drilling is carried out after studies of structural geology, sedimentary basin...
transformer, a type of saturating transformer as an alternating current voltage stabilizer Coordinated Video Timings, specified by VESA Cytoplasm-to-vacuole targeting...
February Part of what appears to be skin from a Boeing 777 horizontal stabilizer is found on a sandbar on the Mozambique coast by a tourist, raising hopes...
includes the manufacture of machine engines, transmissions, brake component, stabilizer bars, suspension systems, and automotive module assemblies. This division...
cone, natural laminar flow nacelle, and hybrid laminar flow vertical stabilizer. To focus on the re-engine project, Boeing abandoned the development of...