| Model: | - |
|---|---|
| Brand: | Goldman |
| Origin: | Made In China |
| Category: | Industrial Supplies / Construction Machine |
| Label: | Used PDC Bit , Tricone Bit , Diamond Core Bit |
| Price: |
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| Min. Order: | 1 piece |
| Last Online:17 Dec, 2014 |
1.Specification:
Bit Size: 4 1/2"-- 17 1/2''(114mm--444.5mm)
Blades: 3--9 Blades
Nozzles: according to your requirement
PDC Cutter: 1913,1613,1313 and so on
Rotary speed:60-300 rpm
Delivery terms:within 3 days after the payment
Package: Wooden Boxes. as custoemrs requirements
OEM: OK, We can make kinds of PDC bits according to customers' requirements
2.Parameters
| SIZE(inch) | Cutters | Blades | Flow rate | Rotary speed | Weight on bit | ||
| 5 1/2 | 21 | 5 | 400~600GPM/25~38L/S | 60~350RPM | 3~15Kibs/14~67KN | ||
| 7 7/8 | 38 | 5 | 400~600GPM/25~38L/S | 60~350RPM | 3~15Kibs/14~67KN | ||
| 8 1/2 | 48 | 6 | 400~600GPM/25~38L/S | 60~350RPM | 3~15Kibs/14~67KN | ||
| 9 1/2 | 67 | 7 | 475~700GPM/30~90L/S | 60~350RPM | 3~20Kibs/14~90KN | ||
| 12 1/4 | 87 | 7 | 475~700GPM/30~60L/S | 60~350RPM | 3~29Kibs/14~129KN | ||
| 16 | 66 | 6 | 950~1450GPM/60~90L/S | 60~300RPM | 5~36Kibs/22~160KN | ||
| 17 1/2 | 65 | 5 | 950~1450GPM/41~63L/S | 60~300RPM | 4~30Kibs/18~134KN | ||
| Goldman PDC DRILL BITS : | |||||||
| Matrix-body | Advantage :
Matrix body PDC bits are commonly preferred over steel-body bits for environments in which body erosion is likely to cause a bit to fail . For diamond-impregnated bits ,only matrix-body construction can be used . |
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| Steel-body | Advantage :
High resistance to impact loading Considerably stronger than matrix bodies Easily be rebuilt a number of times Worn or damaged cutters can be replaced rather easily Particular advantage for operators in low-cost drilling environments |
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| Steel body with hardening tungsten carbide surface(WC),make the drill bit both high strength and very strong abrasion resistance. | |||||||
| Dedicated PDC cutter can improve the life and shield the risk of complex formation drill not passed. | |||||||
| Raw materials: Alloy steel with a special treatment, achieve better mechanical properties (Rp0, 2: 1200MPa; Rm: 1100 MPa | |||||||
| Low torque spiral design and software designed tooth reduce the cutting edge wear & increase life
No repair life up to 8300M/pc |
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| The unique parabolic crown-shaped design and tooth balance design keeps smooth drilling under high speed. | |||||||
| The scientific drilling dynamic equilibrium design and hydraulic balance design make the drilling process more smooth | |||||||
| Speeds up to 30~40m/h
Authoritative API standard and ISO certification, quality and service will be better ensured |
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The main structrue features:
--Tungsten carbide matrix PDC possesses high wear resistance and impact resistance.
--Parabolic crown profile and maximizes junk slot area can clean bit better, and prolong the bit working life.
--Applying hydraulics balance design , 5 renewal nozzles and reasonable nozzles locating angle can gain ideal fluid field in well bottom , fully clean and cool cutter , and prolong the cutter working life.
--Non-symmetry blade arrangement enhances drilling well balance.
--Optimization for cutter shape ,slant angle , cutter numbers prolong the cutter working life in combination with high quality PDC cutter, and improve ROP and drilling efficiency.
--It can be used on rotary or down hole motor.
--High HIS is recommended.
Pls contact with me and I will send the best competitive price to you!
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Hebei Goldman Petroleum Drilling Engineering Co., Ltd.
Email:manager@triconebit.com
Tel: 86-18330763536
Skype:kingdream031
QQ: 245874492
Address:Junziguan Zone,Hejian City,Hebei Province,China
