.

Heavy Weight Drill Pipe

Heavy Weight Drill Pipe

Heavy weight drill pipeis a medium-weight drill tool similar to drill pipe,whose wall is thicker than that of drill pipe and thinner than that of drill collar. Its tube is connected with special length-added drill pipe joint(integral heavy weight drill pipe is made up of tube and tool joint). Among assemblies,it is generally added between drill pipe and drill collar to prevent sudden changes in cross-section of drill string,and reduce its fatigue. Using it to replace part of the drill collar can reduce torque, improve load,and increase drilling ability during deep well drilling;meanwhile pick-up sub and safety clamp will not be used drilling operation ,which is easy to operate and can save tripping time.It can drill in in high speed under low torque in directional wells and reduces the abrasion and fracture of string without differential pressure and sticking because of the lower steel grade than drill collar, small touching area with the well wall.

square Kelly China:Found Petroleum Equipment

If you are finding high quality and cheap API 7-1 Heavy Weight Drill Pip, you can choose us! We adhere to the principle of good faith cooperation and look forward to working with you as a partner!

CHEMICAL COMPOSITION

Integral heavy weight drill pipe

Size

Outer diameter

Inside diameter

Joint outer diameter

Joint inside diameter

Connecting thread

Slip max. diameter

Upset middle diameter

3 1/2

3 1/2

2 1/4

4 3/4

2 1/4

NC38

3 7/8

4

2

2 1/16

(4 7/8, 5)

2 1/16

1 13/16

4

4

2 1/2

5 1/4

2 1/2

NC40

4 3/16

4 1/2

2 1/4

2 9/16

2 9/16

2 5/16

4 1/2

4 1/2

2 11/16

6 1/4

2 11/16

NC46

4 11/16

5

2 7/16

2 3/4

2 3/4

2 1/2

2 13/16

2 13/16

2 9/16

5

5

3

6 5/8

3

NC50

5 1/8

5 1/2

2 3/4

5 1/2

5 1/2

3 1/4

7

3 1/4

5 1/2 FH

5 11/16

6

3

3 3/8

(7 1/4, 7 1/2)

3 3/8

3 1/8

3 7/8

3 7/8

3 5/8

4

4

3 3/4

6 5/8

6 5/8

4

8

4

6 5/8 FH

6 15/16

7 1/8

3 3/4

4 1/2

(8 1/4, 8 1/2)

4 1/2

4 1/4

5

5

4 3/4

Spiral heavy weight drill pipe

Specification mm

Tube

Joint

ID mm

Elevator upsetmm

elevator groove/Slip outside diameter mm

Screw in diametermm

Spiral groove depthmm

Thread Type

OD mm

ID mm

54

NC38

54

127

NC46

127

NC50

Steel Mark

Chemical Composition%

C

Si

Mn

P

S

Cr

Mo

Cu

Al

4145H

≤0.03

≤0.03

≤0.2

Other Elements:N≤0.015,Ni≤0.5

Yield strength

Tensile Strength

ElongationA%

HB

Charpy impactAkv J

MPa

Psi

MPa

Psi

≥758

≥110000

≥965

≥140000

≥13

285~341

≥54

Product superiority:

In the process of heat treatment, a normalizing process is added, which makes the threads more granular, increases the thread strength, and effectively improves the service life of the product.

Weld heavy weight drill pipe:

Using the current domestic and foreign advanced heat treatment technology of friction welding deformation ,and heat affected zone smaller, welding process more simple and strict welding deformation and heat treatment standard procedure qualification, tuning parameters to ensure better welding quality more stable and reliable.

Welded heavy weight drill pipe

Type

Outer diameter

Inside diamter mm

Joint type

mm

in

MJZ29-NC31-I/II

2 7/8

NC31

MJZ35-NC38-I/II

NC38(3½ IF)

MJZ40-NC40-I/II

4

NC40(4FH)

MJZ45-NC46-I/II

NC46(4IF)

MJZ50-NC50-I/II

127

5

NC50(4½ IF)

MJZ55-5½ FH-I/II

5½ FH

MJZ66-65/8FH-I/II

Aug-65

65/8FH

127



在线联系供应商

至: Found Petroleum Equipment Co., Ltd.
Your E-mail:
消息正文:


Send to other suppliers

Other supplier products

Grade HY Sucker Rod On Sale With Good Price
Grade HY Sucker Rod On Sale With Good Price Grade HY Sucker RodOn Sale With Good Price Grade HY Sucker Rod DescriptionGrade HY Sucker Rodwith factory price If you have any question on Grade ...
 Stainless steel polished rod
Stainless steel polished rod Spray Polished Rod Function of Polish Rod Polish rodis a kind of special sucker rod connected with sucker rod and beam hanger. It is at the top o...
 Grade D Sucker Rod
Grade D Sucker Rod Grade D Sucker Rod Hot sale various high quality Grade D Sucker Rod and 1" Grade D sucker rod from China leading manufacturer. Our products are ef...
Spray Anti-corrosion Sucker Rod
Spray Anti-corrosion Sucker Rod Spray Anti-corrosion Sucker Rod It is a kind of manufacturability anti-corrosion sucker rod, the rod surface spraying a layer of special anti-corro...
Sucker Rod
Sucker Rod If you have any question on Grade Hy Sucker Rodand Api Solid Sucker Rods. We will give the professional answers to your short questions. Grade HY S...
供应产品

Same products

Auger Bit Auger Bit (Flat Style)
Auger Bit Auger Bit (Flat Style) 卖方: Zhejiang Urus Tools Co.,Ltd The point Self feeding screw point provides fast boring in hard and soft woods, for precision and...
Auger Bit Double Flute Auger Bit
Auger Bit Double Flute Auger Bit 卖方: Zhejiang Urus Tools Co.,Ltd The point Self feeding screw point provides fast boring in hard and soft woods for precise and ea...
Double Flute Brad Point Wood Bit
Double Flute Brad Point Wood Bit 卖方: Zhejiang Urus Tools Co.,Ltd The point "Five star" center point for easy positioning and effortless drilling, equally importan...
Zinc Butyl Octyl Primary Alkyl Dithiophosphate (ZDDP) cas
Zinc Butyl Octyl Primary Alkyl Dithiophosphate (ZDDP) cas 卖方: 希朋环保科技(洛阳)有限公司 Product Introduction XPT202 is Zinc Butyl Octyl Primary Alkyl Dithiophosphate (ZDDP). This produ...
Well Drilling Equipment Crocodile PDC Reamer for Horizontal Drilling
Well Drilling Equipment Crocodile PDC Reamer for Horizontal Drilling 卖方: Cangzhou Great Drill Bits Co.,Ltd. Overview PDC Reamer The PDC Reamermanufactured by GREAT drill bits for rock and concretewill be y...