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Drilling Stabilizer

2024-02-22 11:15 93 views

Sunrise Petro: A Pioneer in Drilling Stabilizer Manufacturing in China

Stabilizer, also known as centralizer or guide, is a tool that stabilizes downhole drilling tools and plays an anti deviation role. A device connected to a section of drill pipe near a coarse diameter drilling tool to stabilize the drilling direction. It is an important tool in oil, gas, and geological exploration drilling engineering to prevent changes in wellbore inclination.

Sunrise can provide various Drilling Stabilizers to fit different client needs.

Description

The stabilizer is mainly to reduce the severe radial and axial vibration of the elastic system of the drill string in the hole; Reduce eccentric wear of drill bits and drill rods; Ensure the quality of coring; Prevent well deviation or use manual directional drilling. The structure of the stabilizer is relatively simple, consisting of a coarse diameter joint with rib plates (straight or spiral). 

Type

The forms of stabilizers of Sunrise can be divided into 3 types as following. 

1. Bottom hole type:
used for full hole drilling tool assembly to prevent deviation or increase deviation during rotation. The diameter of its working section should be as close as possible to the diameter of the drill bit, and should be installed immediately after the drill bit to constrain the lateral swing of the drill bit. Its characteristic is that both ends are female buckles.

2. Drill string type:
used to form a full hole drilling tool assembly or a pendulum drilling tool assembly. It should be designed as undersized, and its outer diameter should be 5-10mm smaller than the drill bit. It is longer than the bottomhole stabilizer and has a male buckle at the lower end and a female buckle at the upper end.

Bottom hole type (also known as near drill head type) and drill string stabilizer, these two types of stabilizers are also known as integral stabilizers.

3. A replaceable sleeve stabilizer.
When equipped with larger rigid drill collars and subjected to greater drilling pressure, it can reduce the rate of deviation and azimuth change, improve the quality of well depth and drilling speed, and reduce drilling costs. By replacing the stabilizer sleeve, the product can adapt to different wellbore diameters and improve its service life.

The replaceable sleeve stabilizer consists of a main body, a stabilizing sleeve, and a protective sleeve. 

There are four types of wear-resistant materials on the working surface of stabilizers: 

(1)surface embedded with hard alloy columns;

(2)Surface inlaid diamond composite; 

(3)Surface low-temperature brazing of hard alloy blocks; 

(4)Surface surfacing wear-resistant welding rods.

Function

Control wellbore trajectory: The stabilizer mainly plays a guiding and stabilizing role in the drilling tool assembly. The installation position of the stabilizer controls the wellbore inclination angle and curvature within the specified range, and also concentrates the majority of the weight of the drill collar on the drill bit, reducing the non wellbore center force and other external forces borne by the drill string and drill bit. With the development of stabilizers and the extensive exploitation of horizontal and directional wells, stabilizers have become an indispensable bottomhole drilling tool in modern wellbore trajectory control technology.

Expanding function: In curved or reduced wellbore areas, it drills along with the drill string, and the chamfer at the transition between the lower body and the working section plays a certain role in expanding the hole.

Reshaping the wellbore: During the process of friction and contact between the stabilizer and the wellbore, it has a varying degree of repairing effect on the wellbore, making it smoother and smoother, and improving the quality of the wellbore. 

Datasheet



Contact us

Any question about Drilling Stabilizer ( Drilling Stabilizer price,Drilling Stabilizer for sale) ,please email sales@sunrise-petroleum.com , you will get reply within 12 hours!

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