Specifications
Model Number :
All types
Certification :
API 7-1
Place of Origin :
China
MOQ :
1 pc
Price :
USD500-10000/pc
Payment Terms :
L/C, T/T, Western Union, MoneyGram
Supply Ability :
2000 pieces per month
Delivery Time :
30 work days
Packaging Details :
In Bundles
Product Name :
API Standard Drill Collar And Heavy Weight Drill Pipe For Oilfield
Keywords :
Drill Collar, Drill Pipe
Application :
Oil Drilling
Outer Diameter :
3 1/8" - 11"
Tool Joint :
NC, IF, REG, FH
Hardbanding :
Arnco 100XT, Arnco 300XT, BoTn 1000, BoTn 3000
Description

API Standard Drill Collar And Heavy Weight Drill Pipe For Oilfield

Drill collars are extra-heavy integral tools used to concentrate weight onto the drill bit so as to produce sufficient force for the drill bit to break rock efficiently while drilling. They are made of AISI 4145H or 4145H modified steel and are connected between drill pipes and drill bits.

Our drill collar connections comply with dimensional requirements specified in API Spec 7-1. Drill collars also come with slip and elevator recesses for safe and efficient handling. Slip and elevator recesses can be used together or separately.

A. Slick Drill Collar

Note: Drill collar is mainly used to provide bit weight to drill bit so that drill pipe is in tension. Especially drill collar can keep drill bit centralized and hole track by large rigidity. The Drill collar are manufactured strictly from API Spec7-1 and SY5411 standard.

B. Spiral Drill Collar

Note: 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

C. Spiral Drill Collar With Elevator Groove And Slip Groove

Note: Elevator groove and slip groove made on box thread face of slick drill collar or spiral drill collar can be used as lifting sub and safety slip when trip out. The technical parameters for elevator groove and slip groove is as per API SPEC7-1. Hardbanding is optional at customers’ requests.

D. Non-magnetic Drill Collar

The as cold rooled finish on both ID and OD surface with unique technical process strengthen the structure and ensures the tools with optimal resistance to stress,corrosion,cracking and the mechanical performance is greatly enganced.

Hot sale API standard drill collar for oil well

Size

(in)

O.D

(mm)

I.D.

(mm)

Code Thread

Length

(mm)

Weight

(kg)

3 1/8 79.4 31.8(1-1/4) NC23-31 NC23 9140 298
3 1/2 88.9 38.1(1-1/2) NC26-35 NC26 9140 364
4 1/8 104.8 50.8(2) NC31-41 NC31 9140/9450 474/490
4 3/4 120.6 50.8(2) NC35-47 NC35 9140/9450 674/697
5 127 57.2(2-1/4) NC38-50 NC38 9140/9450 725/749
6 152.4 57.2(2-1/4) NC44-60 NC44 9140/9450 1125/1163
6 152.4 71.4(2-13/16) NC44-60 NC44 9140/9450 1022/1056
6 1/4 158.8 57.2(2-1/4) NC44-62 NC44 9140/9450 1237/1279
6 1/4 158.8 71.4(2-13/16) NC46-62 NC44 9140/9450 1134/1172
6 1/2 165.1 57.2(2-1/4) NC46-65 NC46 9140/9450 1352/1398
6 1/2 165.1 71.4(2-13/16) NC46-65 NC50 9140/9450 1249/1291
6 3/4 171.4 57.2(2-1/4) NC46-67 NC46 9140/9450 1471/1521
7 177.8 57.2(2-1/4) NC50-70 NC50 9140/9450 1597/1651
7 177.8 71.4(2-13/16) NC50-70 NC50 9140/9450 1494/1545
7 1/4 184.2 71.4(2-13/16) NC50-72 NC50 9140/9450 1625/1680
7 3/4 196.8 71.4(2-13/16) NC56-77 NC56 9140/9450 1895/1960
8 203.2 71.4(2-13/16) NC56-80 NC56/6-5/8REG 9140/9450 2040/2109
8 1/4 209.6 71.4(2-13/16) 6-5/8REG 6-5/8REG 9140/9450 2188/2263
9 228.6 71.4(2-13/16) NC61-90 NC61 9140/9450 2658/2748
9 1/2 241.3 76.2(2-13/16) 7-5/8REG 7-5/8REG 9140/9450 2954/3054
9 3/4 247.6 76.2(3) NC70-97 NC70 9140/9450 3127/3234
10 254 76.2(3) NC70-100 NC70 9140/9450 3308/3421
11 279.4 76.2(3) 8-5/8REG 8-5/8REG 9140/9450 4072/4210
** Drill collar can be customized as per customer's design.

Products Show:

Oilfield Drill String Components , Non Magnetic Api Drill Collar

Packaging & Shipping:

Oilfield Drill String Components , Non Magnetic Api Drill Collar

Company Information:

About us

Dongying Machinery Equipment Co.,Ltd is a professional supplier of various petroleum equipment, including drilling rig accessories, well control system, drill string, handling tools, downhole tools, OCTG, drilling tools, cementing tools and sapre parts with API certification. Our products have been exported to Russia, America, Middle East, South America, Southeast Asia, Central Asia, African, Australia, Europe etc. Our company is willing to cooperate and make common progress with friends at home and abroad with first-class products, first-class service and reasonable prices.

Certificates

API-5CT, API-10D, API-7K, API-11E, API-6A, API-11AX, API-5D, ISO 9001, ISO14001, ISO18001 etc.

If any needs, pls contact us freely:

Dongying OilMan Machinery Equipment Co.
Address: North Two Road, Dongying City, Shandong Province, China.
Mob/whats app/we chat:+86 13475294399
*Email: christal@oilmancn.com
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Oilfield Drill String Components , Non Magnetic Api Drill Collar

Ask Latest Price
Model Number :
All types
Certification :
API 7-1
Place of Origin :
China
MOQ :
1 pc
Price :
USD500-10000/pc
Payment Terms :
L/C, T/T, Western Union, MoneyGram
Contact Supplier
Oilfield Drill String Components , Non Magnetic Api Drill Collar
Oilfield Drill String Components , Non Magnetic Api Drill Collar
Oilfield Drill String Components , Non Magnetic Api Drill Collar
Oilfield Drill String Components , Non Magnetic Api Drill Collar

Dongying Oilman Machinery Equipment Co.,Ltd.

Verified Supplier
6 Years
Since 2017
Business Type :
Manufacturer, Exporter, Trading Company, Seller
Total Annual :
100,0000-1000,000
Employee Number :
10~50
Certification Level :
Verified Supplier
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