Oilfield drilling tool integral near bit stabilizer & string stabilizer

Place of Origin	China		Brand Name	Kaihao
Model Number	HF3000 and HF5000		Type	Stabilizer
Machine Type	Drilling Tool		Certification	API
Material	Stainless Steel		Processing Type	Forging
Use	Well Drilling

Specifications

Oilfield drilling tool integral near bit stabilizer & string stabilizer
non-magnetic or 4145h materials

Oilfield drilling tool integral near bit stabilizer & string stabilizer

 

 

Description:

integral near bit & string stabilizer are manufactured from one solid bar of AISI 4145H modifed steel, usually have 3 blade or 4 blade. Professional heat-treatment process gurantees the mechanical strengths meet the requirments of API SPEC7-1. Hardness of 285-341HB can be assured both 1” beneath the outer surface and 4 quadrant acrosss the neck OD.

 

1. Product:  integral near bit & string stabilizer

2. Raw material: AISI 4145H MOD or non magnetic steel

3. Types: Drill String type and Near bit type.

4. Packing: anti-rust package, steel shelf with plastic bags

5. Standard: API Spec 7-1 or SY/T5051-91Standard.

6. Delivery time: within 30 days

7. Delivery condition: as customers' requirement, semi-finished forging or finished product

8. Stress Relief Groove(SRG) on connections, bored for float also available for your choice.

 

Mechanical Propriety 

 

Tensile Strength	Yield Strength	Charpy V-notched Toughtness		Elongation	Reduction of area
Mpa	Mpa	20°C	-20°C	%	%
≥966	≥758	≥54J	30J	≥13	≥40

 

Standard specifications of  near bit & string stabilizer

 

Bit size (in)	Stabilizer Working OD	End OD of body	ID	Stabilizer Length	Thread code on ends
					String type		Near bit type
					Top	Down	Top	Down
6	152.2	121	51	1200	NC38	NC38	NC38	3  1/2"REG
6 1/4	158.7	121	51	1200	NC38	NC38	NC38	3  1/2"REG
6 1/2	165.1	121	51	1200	NC38	NC38	NC38	3  1/2"REG
7 1/2	190.5	159	57	1600	NC46	NC46	NC46	4  1/2"REG
7 7/8	200	159	57	1600	NC46	NC46	NC46	4  1/2"REG
8 3/8	212.7	159 165	71	1600 1800	NC46 NC50			4  1/2"REG
8 1/2	215.2	159 165 178	71	1600 1800	NC46 NC50			4  1/2"REG
8 3/4	222.2	159 165 178	71	1600 1800	NC46 NC50			4  1/2"REG
9 1/2	241.3	178 197	71	1600	NC50	NC50	NC50	6 5/8" REG
9 5/8	244.5	178 197	71	1800	NC50	NC50	NC50	6 5/8" REG
9 7/8	250.8	178 197	71	1800	NC50	NC50	NC50	6 5/8" REG
12 1/4	311.2	203 229	76	1800	NC56 3 1/2" REG	NC56 6 1/2"REG	NC56 6 5/8" REG	6 5/8" REG
17 1/2	444.5	229 241.3	76	2000 2200	NC61 7 5/8" REG	NC61 7 5/8"REG	NC61 7 5/8" REG	NC61 7 5/8" REG
24	609.6	229 241.3	76	2000 2200	NC61 7 5/8" REG	NC61 7 5/8"REG	NC61 7 5/8" REG	NC61 7 5/8" REG
26	660.4	229 241.3	76	2000 2200	NC61 7 5/8" REG	NC61 7 5/8"REG	NC61 7 5/8" REG	NC61 7 5/8" REG
28	711.2	229 241.3	76	2000 2200	NC61 7 5/8" REG	NC61 7 5/8"REG	NC61 7 5/8" REG	NC61 7 5/8" REG

 

Hardfacing Type:

 

complete range of Hardfacings to suit all drilling conditoin,  including HF1000,  HF2000,  HF3000 and HF4000.Upon request.