Gold Member Since 2014
Audited Supplier
Hejian Hengji Bit Manufacture Co., Ltd.

Steel Body PDC Bit, 8 1/2PDC Bit, Diamond PDC Bit manufacturer / supplier in China, offering API 8 1/2" Steel Body PDC Bit, PDC Diamond Core Bit, TCI 12 1/4 Oilfiled Tricone Bit, Roller Cone Bit, 12 1/4 Inch Oilfield Tricone Drill Bits IADC 537 and so on.

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Supplier Homepage Product Drill Bit API 8 1/2" Steel Body PDC Bit, PDC Diamond Core Bit

API 8 1/2" Steel Body PDC Bit, PDC Diamond Core Bit

FOB Price: US $800 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $800/ Piece
Get Latest Price
Production Capacity: 5000PS/Year
Transport Package: Wooden Case
Payment Terms: L/C, T/T, Paypal, Money Gram, Western Union

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Basic Info
  • Type: Petroleum Drilling Tool & Accessory
  • Usage: Well Drilling, Well Drilling
  • Drill Bit Size: 12 1/4 Inch
  • Transmission System: Hydraulic
  • Specification: sgs
  • HS Code: 82071990
  • Material: Tungsten Carbide
  • Certification: ISO
  • Drill Bit Blade: 6
  • IADC: M233
  • Origin: Hejian China
Product Description
Deep blade ang long parbolic configuation, ensure ooptimal bottom hole flow pattem ang anti-balling.

· Arc blade and sprial gauge enhance the cutting caga-bility and the driling stablization.

· Anti-whirl design improves ROP and enhances the drilling stability.

· Medial cutter density desigh is suitable for soft to medial fomations

ROLLER
 CONE BITS

ROLLER CONE BIT
(M/H)

FORMATION
HARDNESS

FORMATION

ROCK TYPE

COMPRESS
STRENGTH

WEM

OBM

111/124

15-30

18-33

Very
soft

soft formation with sticky layers and low compressive strength

clay,silts,
sands

<25 MPa

116/137
437

9-15

12-18

soft

soft formation with low compressive strength and high drill ability

claystone,marl,
lignite,tuff,
sandstone

25-50 MPa

126/139
517/527

4.5-9

6-12

Medium
soft

soft to medium formation with low compressive strength interb dded with hard layers

claystone,marl
lignite,sandstone
silts anhydrrites
tuff

50-75 MPa

211/217
517/537

2.5-6

3-6

Medium

medium to hard formation with high compressive strength and small abrasive layers

mudstone ,
limstone,
anhydrites,
sandstone

75-100 MPa

211/236
537/617

1.5-2.5

1.5-3

Medium
hard

hard and dense formation with very high compressive strength but non-abrasive

limestone,
anhydrites,
dolomite

100-120MPa

311/347
627/637

1-1.5

1-1.5

Hard

hard and dense formation with very high compressive strength and some abrasive layer

shale,sandstone
,siliceous,
siltstone

100-200MPa

637 /737 /837

1

1

Very
 hard

extremely hard and abrasive formtions

quartzite, lgneous ,rocks

>200MPa
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