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API 7-1 Oilfield Spiral Non Magnetic Drill Collar
API 7-1 Oilfield Spiral Non Magnetic Drill Collar
API 7-1 Oilfield Spiral Non Magnetic Drill Collar
API 7-1 Oilfield Spiral Non Magnetic Drill Collar
API 7-1 Oilfield Spiral Non Magnetic Drill Collar
API 7-1 Oilfield Spiral Non Magnetic Drill Collar
Specifications
Brand Name :
TR Solids Control
Model Number :
TRDT
Certification :
API 7-1 Certificate, ISO Certificate
Place of Origin :
Xi'an China
MOQ :
1 pc
Price :
Negotiable
Payment Terms :
L/C, D/A, D/P, T/T, Western Union
Supply Ability :
100000 pcs per month
Delivery Time :
Within 8 days after deposit
Packaging Details :
Pallet or wooden case
Steel Grade :
4145H
Thread Type :
NC , REG
Material :
Alloy steel
OD :
79.4-279.4 mm
Description

API 7-1 Oilfield Sprial Drill Collar and Non-Magnetic Drill Collar

Product Descrption

Spiral drill collar is used to reduce contact area with hole so as to avoid efficiently bit sticking from diffirential pressure. The drill collars are manufactired strictly according to API Spec7-1 and Standard SY5144. The drill collars are made of modified AISI 4145H chromium molybdenum alloy steel.

There are different kinds of drill collars, including round drill collar,spiral drill collar, non-magnetic drill collar, square drill collar and so on. Ordinary drill collar is the circular cross section, the center has a water hole,the wall thickness is larger,the nozzle is smaller, the weight of per unit length is greater than the size of drill pipe almost 4- 5 times .The majority of drill collar is thread processing directly on the pipe body , but some of them also use the replaced joint.


Main Specifications of Our Drill Collar

Type OD(mm) ID(mm)
L(m)
±152.4mm
d
DF(mm)
±0.4

NC23-31		 79.4 31.8 9.14 76.2
NC26-35 88.9 38.1 9.14 82.9
NC31-41 104.8 50.8 9.14or9.45 100.4
NC35-47 120.6 50.8 9.14or9.45 114.7
NC38-50 127 57.2 9.14or9.45 121
NC44-60 152.4 57.2 9.14or9.45 144.5
NC44-60 152.4 71.4 9.14or9.45 144.5
NC46-62 158.8 57.2 9.14or9.45 149.2
NC46-62 158.8 71.4 9.14or9.45 150
NC46-65 165.1 57.2 9.14or9.45 154.8
NC46-65 165.1 71.4 9.14or9.45 154.8
NC46-67 171.4 57.2 9.14or9.45 159.5
NC50-70 177.8 57.2 9.14or9.45 164.7
NC50-70 177.8 71.4 9.14or9.45 164.7
NC50-72 184.2 71.4 9.14or9.45 169.5
NC56-77 196.8 71.4 9.14or9.45 185.3
NC56-80 203.2 71.4 9.14or9.45 190.1
6-5/8REG 209.6 71.4 9.14or9.45 195.6
NC61-90 228.6 71.4 9.14or9.45 212.7
7-5/8REG 241.3 76.2 9.14or9.45 223.8
NC70-97 247.6 76.2 9.14or9.45 232.6
NC70-100 254 76.2 9.14or9.45 237.3
8-5/8REG 279.4 76.2 9.14or9.45 266.7
NC50-67 171.5 71.4 9.14or9.45 159.5

API 7-1 Oilfield Spiral Non Magnetic Drill Collar

Mechanical Property Of TR Drill Collar


OD Size
Yield Strength
σ0.2
Mpa(psi)
Tensile Strength σb
Mpa(psi)
Elongation
δ4%
Reduction of area
%
Reduction of area
%

3-1/8~6-3/4
≥758
-110,000
≥827
-120,000
≥18		 50 ≥50
7~10
≥689
-100,000
≥758
-110,000
≥20

Xi'an TianRui Petroleum Machinery Equipment Company Limited is a professional manufacturer and supplier of all types of petroleum equipment. The company is located in Xi'an city of China. And we have many years of history in the petroleum equipment industry. Our main products include solid control equipment, oil production equipment, wellhead equipment, well control equipment, downhole tools, OCTG pipe, vavle & pipe fitting and oilfield tools.

Competitive Advantages


1. We offer high quality products at competitive price.
2. Shortest delivery time.
3. Flexible payment terms.
4. Timely after-sale service.
5. Most of our equipment can be replaceable with international brands.
6. Our products have been exported to Argentina, Egypt, US, Australia, Romania, Pakistan, Dubai, Abu Dhabi, Iran, India, Indonesia, Vietnam, Malaysia and many other countries.

Product tags

non magnetic drill collar

,

spiral drill collar non magnetic

,

non mananatic drill collar
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API 7-1 Oilfield Spiral Non Magnetic Drill Collar

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Product Detail
Brand Name :
TR Solids Control
Model Number :
TRDT
Certification :
API 7-1 Certificate, ISO Certificate
Place of Origin :
Xi'an China
MOQ :
1 pc
Price :
Negotiable
Contact Supplier
API 7-1 Oilfield Spiral Non Magnetic Drill Collar
API 7-1 Oilfield Spiral Non Magnetic Drill Collar
API 7-1 Oilfield Spiral Non Magnetic Drill Collar

Xi'an TianRui Petroleum Machinery Equipment Co., Ltd.

Verified Supplier
8 Years
Since 2010
Business Type :
Manufacturer
Main Products :
Drilling Mud System, Linear Motion Shale Shaker, Drilling Mud Centrifuge
Total Annual :
40 Million-50 Million
Employee Number :
350~450
Certification Level :
Verified Supplier
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