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Integral spiral blade string drilling stabilizer on oilfield for drilling hole down hole tools
Integral Blade Stabilizers are manufactured from 4145H alloy steel bar or forgings, quenched and tempered to 285-341 Brinell hardness;
Stabilizers are fairly short subs which have blades attached to their external surface. By providing support for the BHA (Bottom Hole Assembly) at certain points they can be used to control the trajectory of the well. The blades can be either straight or spiral in shape. Spiral blades can give 360° contact with the borehole.
API Connection
All API connections comply with dimensional requirements specified in API spec 7 and API RP 7G. Common sizes and styles are summarized in the table below. Premium connections are available on request.
Hard-facing Types
HF 1000 (crushed carbide)
HF 2000 (crushed carbide and tungsten traps)
HF 3000 (T.C.I. spray matrix spray powder and tungsten insert)
HF 4000 (buttons)
HF 5000 (technodur)
Options Available
1. Integral blade, Welded blade/ Spiral Blade, Straight Blade
2. Alloy steel, Non-magnetic steel
3. String Type, Near Bit Type
Specification:
Bit Size | Working OD | End OD of body(mm) | ID | Length | Thread code on both ends | |||
(in) | (mm) | (mm) | (mm) | Drill string type | Near bit type | |||
Top | Down | Top | Down | |||||
6 | 152.2 | 121 | 51 | 1200 | NC38 | 3 1/2 REG | ||
6 1/4 | 158.7 | |||||||
6 1/2 | 165.1 | |||||||
7 1/2 | 190.5 | 159 | 57 | 1600 | NC46 | 4 1/2 REG | ||
7 7/8 | 200 | |||||||
8 3/8 | 212.7 | 159 | 71 | 1600 | NC46 | |||
165 | 1800 | NC50 | ||||||
8 1/2 | 215.2 | 159 | ||||||
165 | ||||||||
8 3/4 | 222.2 | 178 | ||||||
9 1/2 | 241.3 | 178 | 1600 | NC50 | NC50 | NC50 | ||
9 5/8 | 244.5 | 197 | 1800 | 6 5/8 REG | ||||
9 7/8 | 250.8 | |||||||
12 1/4 | 311.2 | 203 | 76 | 1800 | NC56 | NC56 | NC56 | 6 5/8 REG |
209 | 6 5/8 REG | 6 5/8 REG | 6 5/8 REG | |||||
16 | 406 | 229 | 2000 | NC61 | NC61 | NC61 | NC61 | |
17 1/2 | 444.5 | 241.3 | 2200 | 7 5/8 REG | 7 5/8 REG | 7 5/8 REG | 7 5/8 REG | |
24 | 609.6 | |||||||
26 | 660.4 | |||||||
28 | 711.2 | |||||||
Note: Stabilizer can be made according to customer’s special requirement. |
Shandong Yacheng Petroleum Technology Co.,Ltd.(YCPT) is located in the second largest oilfield in Dongying city. We are the subsidiary of Xincheng Petroleum of Xincheng Petroleum Group,which was founded since 2003. We are first class supplier in vendor list of CNPC,SINOPEC,and CNOOC,and member of CCOIC, CCPIT and so on. We have 17 years of experience in research,development and manufacturing of oil drilling equipment and drilling string,
We have professional sales and after-sales service teams We are committed to develop, manufacture and supply of oilfield equipment, like oil and gas Gate Valve, Mud Pump and Spare Parts, Handling Tools,Drilling String, Well Control Equipments. We have established a complete quality control system, all products & equipment manufactured as per international standard ISO 9001 and API standard. Based on our talented experienced technician team and sincerely marketing strategy, we have exported our products to more than 30 countries.The positive feedback from our clients are encouraging us to do much better and more strict on self-requirement. We will continue to provide quality products with favorable prices to all customers! Let's open the delightful business cooperation!
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