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Drilling stabilizer centralizer

2023-05-04 19:54 9627 views

‌Support and stabilization tools are indispensable for drilling operations, especially for deep and ultra deep wells. It helps to reduce well deviation, prevent harmful grooves on the well wall, reduce the time required for drilling, and extend the service life of drilling bits. Sunrise petro offers a wide range of Drilling stabilizers, made in accordance with the requirements of API and Chinese national specification.

DESCRIPTION

The drilling stabilizer, also known as centralizer, is a tool to keep the drill string running smoothly when it rotates at high speed in the borehole, so that the drill bit axis is as close to the borehole centerline as possible Its main function is to reduce the axial and radial vibration of the elastic system of the drill string in the borehole, reduce the eccentric wear of the drill rod and the drill bit, prevent well deviation, conduct manual directional drilling, and ensure the quality of drilling coring.

The stabilizer is an important tool used to prevent from borehole deviation in petroleum, natural gas, geological exploration and drilling engineering. When strong rigid drill collar is equipped with and large bit weight is given the implementation of applicable stabilizer which reduces a rate of deviation and of azimuth can improve the well wall quality and reduces drilling costs.


TECHNICAL DATA

The following table shows the dimensions and other parameters of the basic model of Sunrise petro drill pipe centralizer.

No.

Working OD (mm)

ID (mm)

Total length (mm)

Blade working length (mm)

Thread type

Design

1

292,1

90

1800

900

6 5/8 REG

3 straight blades

2

292,1

90

1800

900

6 5/8 REG

3 spiral blades

3

212,7

71

1600

800

5 1/2 FN

3 straight blades

4

212,7

71

1600

800

5 1/2 FN

3 spiral blades

5

141,2

44

1200

400

3 1/2 REG

3 straight blades

6

141,2

44

1200

400

3 1/2 REG

3 spiral blades


MORE DETAILS

Types

--Integral spiral blade stabilizer

--Integral straight rib stabilizer WZ.

--Roller type stabilizer WG.

--Replaceable sleeve spiral stabilizer WH.

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