API Certified Oilfield Spiral Drill Collar

• Customization: Available
• After-sales Service: Timely After-Sale Assistance
• Warranty: 12 Month
• Model NO.: According to the custom
• Manufacturing Process: CNC Milling
• Surface Treatment: Polishing
• Operation Pressure: Atmospheric Pressure
• Material: Alloy
• Transport Package: Steel Support
• Specification: 3-1/8inch ---11inch
• Trademark: East heavy
• Origin: Henan China
• HS Code: 84314300

Product Description

Product Description

 

Spiral drill collar

The spiral drill collar is made of AISI4145HS Cr-Mo steel and follows API Specifications 7 and SY/T5144 standards. The threads can be processed with cold rolling, coppering or phosphating. Our company can machine double-shoulder threads and other specifications of special threads. The maximum outer diameter of the spiral drill collar that can be produced by our company is 14 inches.

 

Product Parameters

 

 

 

Spiral size of spiral drill collar
 

Outer diameter OD		Depth of cutting A Depthofcut mm	lead±25.4Pitch mm	Depth of cutting B Depth of cut mm
mm	in
98.4	37/8	4.0±0.79	914
101.6-111.1	4-43/8	4.8±0.79	914
114.3-130.2	41/2-51/8	5.6±0.79	965
133.4-146.1	51/4-53/4	6.4±0.79	1067
149.2-161.9	57/8-63/8	7.1±1.59	1067
165.1-177.8	61/2-7	7.9±1.59	1168
181.0-200.0	71/8-77/8	8.7±1.59	1626	2.6±0.79
203.2-225.4	8-87/8	9.5±1.59	1727	6.4±0.79
228.6-250.8	9-97/8	10.3±2.37	1829	7.1±1.59
254.0-276.2	10-107/8	11.1±2.37	1930	7.9±1.59
279.4	11	11.9±2.37	2037	8.7±1.59

Note: Spiral drill collar has 3 spiral grooves, right-handed, well distributes.

 

Company Profile

Jiyuan City East Heavy Industry Co., Ltd. is a new hi-tech enterprise that produces " East Heavy Industry" brand oil drilling and production equipment and geological exploration tools. It is located in Jiyuan City of Henan Province on the shore of the famous Xiaolangdi Hydro Complex. The Company covers a land area of over 30,000 square meters, possesses 100 million yuan of assets, and has established a good cooperative development relationship with authoritative units such as University of Petroleum, Taiyuan University of Technology, Xi'an Petroleum Pipe Research Institute, etc., providing strong technical force for product development.

The Company possesses a complete set of petroleum drilling tool production lines and mainly produces large deep-hole boring machines, ordinary lathes, CNC lathes, mill, printer, etc. The Company has established a dedicated testing center that is equipped with domestic and overseas advanced precision testing equipment and sound testing means to control the whole process of products and strictly abides by API 7-1, API 7-2, SY/T5144 and SY/T5146 standards to ensure that all performance indexes of the Company's products can meet international standards and standards of American Petroleum Institute (API). The Company has passed IS09001 quality management system certification and HSE management system certification and has obtained the right to use the logos of API petroleum drilling tools. Main drilling tools include non-magnetic drill collar, non-magnetic pressure drill pipe, ordinary drill collar, integrated heavy weight drill pipe, adapter, etc. The annual production capacity is 10,000 pieces. The Company can also machine products according to special requirements of users.


"Honest Based, Innovative Management, Keeping Improving and Pursuing Excellence" has always been the guideline of our company. We will perform extensive economic cooperation and technical exchange with friends in all walks of life at home and abroad relying on our high business reputation, strong capital force and technical strength, striving to develop and manufacture drilling and production equipment jointly and create a bright future. 


 

Certifications