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API 7-1 AISI 4145H Hot sale 20 inch near bit stabilizer oil drill stabilizer drill pipe stabilizer

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API 7-1 AISI 4145H Hot sale 20 inch near bit stabilizer oil drill stabilizer drill pipe stabilizer  

API standard oilfield stabilizers are manufactured from one solid bar of AISI 4145H modifed steel, usually have 3 blade or 4 blades.Professional heat-treatment process gurantees the mechanical strengths meet the requirments of API SPEC7-1. Hardness of 285-341HB can be assured with 1'' beneath the outer surface and 4 quadrant across the neck OD.

Replaceable sleeve stabilizer consists of mandrel and sleeve. The function is the same as spiral integral blade stabilizer. It can suit to different hole sizes and increase working life by changing the different size sleeves. The sleeve is threaded on the mandrel, so the sleeve can be fasten to the mandrel tightly and changed easily.

Drilling Stabilizers is an important tool to control hole deviation in petroleum and gas exploration drilling process.The type of it can be divided into drill string type and near bit type. The main types of stabilizers are divided into Integral Spiral Blade Stabilizer, Integral Straight Blade Stabilizer, Replaceable Sleeve Stabilizer, Tapered Stabilizer, Float Valve Stabilizer, Non-Rotating Stabilizer.



 

Type

 

Working

O.D.(in)

 

O.D.

Of Body

(mm)

 

I.D. (mm)

 

Overrall Length/Spiral Band Length(mm)

 Connection

String Type

Near Bit Type

 

Top

 

Down

 

Top

 

Down

WL149

5-7/8’’

121

50.8

1450/400

NC38

3-1/2REG

WL152

6’’

WL158

6-1/4’’

WL165

6-1/2’’

WL190

7-1/2’’

178

57.2

Or

71.4

1500/450

NC46

4-1/2REG

WL200

7-7/8’’

WL213

8-3/8’’

NC46

NC50

WL215

8-1/2’’

WL222

8-3/4’’

WL241

9-1/2’’

NC50

NC50

NC50

6-5/8REG

WL245

9-5/8’’

203

71.4

1700/550

WL251

9-7/8’’

WL311

12-1/4’’

NC56

6-5/8REG

NC56

6-5/8 REG

NC56

6-5/8REG

6-5/8REG

WL339-WL406

13.35-16’’

229

2000

NC61

7-5/8REG




WL445

17-1/2’’

NC61

7-5/8REG

NC61

7-5/8REG

NC61

7-5/8REG

WL450

WL609

17.7’’-24’’

2500

WL660

26’’

WL711

28’’

 


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