Kelly Drill Pipe (SQUARE AND HEXAGONAL)

• 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: Standard Export Packing
• Specification: customizable
• Trademark: East heavy
• Origin: Henan China

Product Description

 

Product Description

 

Integral Heavy Weight Drill Pip is make of AISI 4145H alloy steel. ac. to API Spec.7  and SY/T5144. It is formed by hot forged and fully heat-treated. HWDP's wear resistance hardbanding is standard ontool joints connections and central upset. The types of Hardbanding include Arnco 100XT and 300XT. All threads are phosphated , copperized or cold worked. All connections are eqipped with pressed steel thread protectors. All threads are machined with CNC Lathes-Double-Shouldered and special threads.








 

Product Parameters

 

Stand size for Hexagonal kelly
 

Kelly size		Length drivesection		Length overall		Length drivesection
		LD Standard	LD Optional	L Standard	L Optional	DFL Across flate	DC Across cornere	DCC Across cornere	RC Radlue	RCC Radlue	t Wall Thickness Eccentric bore
76.2	3	11280		12190		76.2	85.7	85.73	6.4	42.9	12.1
88.9	3 1/2	11280		12190		88.9	100.8	100.0	6.4	50.0	13.3
108.0	4 1/4	11280	15540	12190	16460	108.0	122.2	121.44	9.9	60.7	15.9
133.4	5 1/4	11280	15540	12190	16460	133.4	151.6	149.86	9.9	75.0	15.9
133.4	5 1/4	11280	15540	12190	16460	133.4	175.4	171.45	15.9	85.7	15.88
152.4	6	11280	15540	12190	16460	152.4	173.0	173.02	9.5	86.5	15.9
152.4	6	11280	15540	12190	16460	152.4	173.0	173.02	9.5	86.5	15.9

 

Upper box connection							Lower pin connection				Inside diameter
Thread specification and type		OD		BevelDiameter			Label	DLR Out diameter	LL	DF Bevel Diameter
Standard	Optional	DU Standard	DU Optional	LU	DF Standard	DF Optional
65/8REG	41/2REG	196.9	146.1	406.4	186.1	134.5	NC26	85.7	508	82.9	31.8
65/8REG	41/2REG	196.9	146.1	406.4	186.1	134.5	NC31	104.8	508	100.4	44.5
65/8REG	41/2REG	196.9	146.1	406.4	186.1	134.5	NC38	120.7	508	116.3	57.2
65/8REG		196.9		406.4	186.1		NC46	158.8	508	145.3	71.4
65/8REG		196.9		406.4	186.1		NC50	161.9	508	154.0	71.4
65/8REG		196.9		406.4	186.1		51/2FH	177.8	508	170.7	82.6
65/8REG		196.9		406.4	186.1		NC56	177.8	508	171.1	82.6

 

Square kelly drive section
 

Kelly size		Length drivesection		Length overall		Length drivesection
		LD Standard	LD Optional	L Standard	L Optional	DFL Across flate	DC Across cornere	DCC Across cornere	RC Radlue	RCC Radlue	t Wall Thickness Eccentric bore
63.5	2 1/2	11280		12190		63.5	88.3	82.55	7.9	41.3	11.43
76.2	3	11280		12190		76.2	100.0	98.43	9.5	49.2	11.43
88.9	3 1/2	11280		12190		88.9	115.1	112.7	12.7	56.4	11.43
108.0	4 1/4	11280	15540	12190	16460	108.0	141.3	139.7	12.7	69.9	12.07
108.0	4 1/4	11280	15540	12190	16460	108.0	141.3	139.7	12.7	69.9	12.07
133.4	5 1/4	11280	15540	12190	16460	133.4	175.4	171.45	15.9	85.7	15.88
133.4	5 1/4	11280	15540	12190	16460	133.4	175.4	171.45	15.9	85.7	15.88

 

Upper box connection							Lower pin connection				Inside diameter
Thread specification and type		OD		BevelDiameter			Label	DLR Out diameter	LL	DF Bevel Diameter
Standard	Optional	DU Standard	DU Optional	LU	DF Standard	DF Optional
65/8REG	41/2REG	196.9	146.1	406.4	186.1	134.5	NC26	85.7	508	82.9	31.8
65/8REG	41/2REG	196.9	146.1	406.4	186.1	134.5	NC31	104.8	508	100.4	44.5
65/8REG	41/2REG	196.9	146.1	406.4	186.1	134.5	NC38	120.7	508	116.3	57.2
65/8REG	41/2REG	196.9	146.1	406.4	186.1	134.5	NC46	158.8	508	145.3	71.4
65/8REG	41/2REG	196.9	146.1	406.4	186.1	134.5	NC50	161.9	508	154.0	71.4
65/8REG		196.9		406.4	186.1		51/2FH	177.8	508	170.7	82.6
65/8REG		196.9		406.4	186.1		NC56	177.8	508	171.1	82.6

 

   

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

 

 

FAQ

 

Q: What products do we manufacture? „
A: The main products are non-magnetic drill collar, non-magnetic pressure drill pipe, non-magnet short drill collar, Directional joint, ordinary drill collar, integrated heavy weight drill pipe, square drill pipe, hexagonal drill pipe, spiral drill pipe, centralizer, adapter and some long shaft products.


Q: What differentiates our company from other competitors? 

A:  Competitive Pricing

In today's competitive environment, price is the leading factor influencing customers' procurement choices. We are able to supply quality equipment and spares at competitive prices through our business relationship with a wide network of suppliers, an efficient inventory control and bulk-buying strategy.
 

Strong Customer Relationships with a Wide Customer Base

Over the more than 40 years we have been in business, we have developed strong customer relationships from a wide customer base from all over the world.
 

Strong Relationships with Suppliers

Similarly, throughout more than 4 decades, we have worked with and developed strong rapport with suppliers through shared business experiences.


Q: What certifications do we have that demonstrate our quality standards (i.e. ISO certifications, etc.)? 
A: Our tools are rigorously tested for quality and performance, ensuring compliance with industry standards like API 7-1, API 7-2, SY/T5144, and SY/T5146 specifications. 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. We also have our professional QC and all the products will be strict inspection and testing for every order before shipping out.