Drilling Stabilizer

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Drilling stabilizer is an important tool for preventing well deviation in the drilling projects of petroleum, natural gas, and geological exploration. The mechanical performance of our drilling stabilizer is in accordance with API Spec 7.

There are 4 types of drilling stabilizer available:

a. Integral spiral stabilizer: the overall 3/4 spiral stabilizers are separately bottom hole type and drill collar type; the wear resistant materials for the working surface are diversified in many styles: carbide, diamond complex, wear resistant welding rod, low temperature brazing cemented carbide, etc.
b. Overall straight edge stabilizer
c. Roller type stabilizer
d. Spiral stabilizer with replaceable casings

Wear resistant materials for the working surface:

a. Carbide drill collar
b. Diamond complex
c. Wear resistant welding rod
d. low temperature brazing cemented carbide

Spiral stabilizer with replaceable casings

1. Internal thread
2. Stabilizer body
3. Spiral groove
4. Wear resistant part
5. External thread

Specification of Integral Blade Stabilizer

Drill bit diameter		Diameter of stabilizer body	Inner diameter I.D.	Length	Thread type of drill collar stabilizer		Thread type of bottom hole stabilizer
in	mm	mm	mm	mm	upper part	lower part	upper part	lower part
6	152.2	121.0	51	1200	NC38	NC38	NC38	3 1/2REG
6 1/4	158.7	121.0	51	1200	NC38	NC38	NC38	3 1/2REG
6 1/2	165.1	121.0	51	1200	NC38	NC38	NC38	3 1/2REG
7 1/2	190.5	159.0	57	1600	NC46	NC46	NC46	4 1/2REG
7 7/8	200.0	159.0	57	1600	NC46	NC46	NC46	4 1/2REG
8 3/8	212.7	165.0	71	1600 1800	NC46 NC50	NC46 NC50	NC46 NC50	4 1/2REG
8 1/2	215.0	159.0 165.0 178.0	71	1600 1800	NC46 NC50	NC46 NC50	NC46 NC50	4 1/2REG
8 3/4	222.2	159.0 165.0 178.0	71	1600 1800	NC46 NC50	NC46 NC50	NC46 NC50	4 1/2REG
9 1/2	241.3	178.0 197.0	71	1600 1800	NC50	NC50	NC50	4 1/2REG
9 5/8	244.3	178.0 197.0	71	1800	NC50	NC50	NC50	6 5/8REG
9 7/8	250.8	178.0 197.0	7	1800	NC50	NC50	NC50	6 5/8REG
12 1/4	311.2	203.0 209.0	76	1800	NC56 6 5/8REG	NC56 6 5/8REG	NC56 6 5/8REG	6 5/8REG
16	406.0	229.0 241.3	76	2000 2200	NC61 7 5/8REG	NC61 7 5/8REG	NC61 7 5/8REG	NC61 7 5/8REG
17 1/2	444.5	229.0 241.3	76	2000 2200	NC61 7 5/8REG	NC61 7 5/8REG	NC61 7 5/8REG	NC61 7 5/8REG
24	609.5	229.0 241.3	76	2200 2540	NC61 7 5/8REG	NC61 7 5/8REG	NC61 7 5/8REG	NC61 7 5/8REG
26	666.4	229.0 241.3	76	2200 2540	NC61 7 5/8REG	NC61 7 5/8REG	NC61 7 5/8REG	NC61 7 5/8REG
28	711.2	241.3 254.0	76	2200 2540	NC61 7 5/8REG	NC61 7 5/8REG	NC61 7 5/8REG	NC61 7 5/8REG