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Φ42 Heavy-duty triangular grooved drill pipe

Φ42 Heavy-duty triangular grooved drill pipe

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Specifications

φ42

Material code

Connection method

Production Process

Scope of application

It is widely used in drilling under the geological conditions of coal seam and near coal seam, water exploration and gas discharge drilling construction in coal mines, and can also be used in geophysical prospecting and water conservancy construction proj

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400-635-9960

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Product parameters

Commodity name: Φ42 Heavy-duty triangular grooved drill pipe
Specifications: φ42
Material code: -
Connection method: -
Production Process: -
Scope of application: It is widely used in drilling under the geological conditions of coal seam and near coal seam, water exploration and gas discharge drilling construction in coal mines, and can also be used in geophysical prospecting and water conservancy construction proj

Φ42 Heavy-duty triangular grooved drill pipe

Alias：Triangular drill pipe, anti-slump drill pipe, anti-lock drill pipe, triangular pyramid drill pipe.

Three-edged drill pipe The three-edged drill pipe for coal mine roadway drilling is made of a three-edged arc steel pipe with a tapered transition as the drill pipe body, and is friction welded with the drill pipe joints in the form of threads or in the form of triangle, square, and hexagon. Completed drill pipe for coal mine drilling. The friction welding process is mainly used, the rod body is a special steel pipe for geological alloys, and the drill pipe joint is a medium carbon alloy structural steel.

Product Parameters

Length：Ф34mm、Ф42mm、Ф50mm、Ф63.5mm、Ф73mm、Ф89mm

Diameter：Ф34mm、Ф42mm、Ф50mm、Ф63.5mm、Ф73mm、Ф89mm

Spec （mm）		Connection method	Connection Type	Recommended drilling depth	Torque （N.M）
Diameter	Length	Connection method	Connection Type	Recommended drilling depth	Torque （N.M）
Φ50	800--1500	Tapered thread	Female and female screw connection	50--100m	3500
Φ63	800--1500	Tapered thread	Female and female screw connection	50--120m	5200
Φ73	800--1500	Tapered thread	Female and female screw connection	50--180m	6500
Φ73	800--1500	High pressure thread sea	Female and female screw connection	50--180m	6500
Φ73	800--1500	Triangular plug	Four-way connection	50--250m	7500

Button：connection type: The square connection, the hexagonal connection and the threaded connection are most used in the use of the taper thread connection.

Cone Buckle	Diametermm	taper ratio	pitchmm	Large diametemm	Small diametemmmm
	Ф34.00	1:5	4.233	Φ27	Φ20.00
	Φ42.00	1:8	5.08	Φ34	Φ29.60
	Φ50.00	1:8	5.08	Φ41.5	Φ36.75
	Φ63.50	1:6	5	Φ50.5	Φ71.30
	Φ73.00	1:6	5	Φ50.5	Φ41.30
	Φ73.00	1:4	5.08	Φ59.5	Φ44.50
	Φ89.00	1:6	6.35	Φ75	Φ64.10
Flat buckle	Ф34.00	/	6	T28	Φ25.00
	Φ42.00	/	6.35	T33	Φ30.00
	Φ50.00	/	6.35	T42	Φ39.00
	Φ63.50	/	6.35	T54	Φ51.00
	Φ73.00	/	8	T63	Φ59.00
	Φ89	/	8	T79	Φ75

Product Process

Welding process：It is mainly divided into friction welding type of joints at both ends of the rod body, integral friction welding type and milling pin type of thick-walled steel pipe body. The friction welding type is the most widely used and cost-effective product, and is widely used in the drilling of soft coal seams. The process of the body milling type is friction welding at one end of the male joint. Compared with the friction welded products of the same diameter formed steel pipe, the body milling type triangular drill pipe has a 1-2 times increase in the wall thickness of the drill pipe, and has higher torque and comprehensive Mechanical behavior

Product material：It can be divided into two types, one is 45Mn2 triangular steel pipe welding 42Crmoa joint material, both ends adopt friction welding process. The other is 45Mn2 perforated round steel integrally milled and welded male head 42Crmoa material, the male buckle is friction welded, and the female buckle is directly threaded on the perforated round steel.

Product Usage

Product Application

When drilling soft coal seams, the drilling pressure should be small, and the drilling method of air slag discharge has the best effect. Equipped with the light orifice dust suppression device produced by our company, the ideal drilling and hole forming effect can be achieved. The flushing drilling method is easy to cause mud blockage in the hole, and the phenomenon of twisting and breaking of the drill pipe, which affects the drilling of the drill pipe and increases the probability of hole collapse and sticking. However, compared with the cylindrical drill pipe , still has high performance and pore-forming advantages. The diameter difference between the drill bit and the drill pipe should be 10-15mm. If the diameter difference is too large, the effect of the triangular drill pipe on the hole wall will be reduced. The three-edged drill pipe solves a series of problems such as hole collapse, sticking, and locking that are easy to occur in deep hole drilling in soft coal seams; these successful experiences we have accumulated and formed must be explained to customers in place, and professional knowledge can increase customers' understanding of us recognition, increase the probability of transaction.

Product Advantage

According to different geological conditions, we have designed and produced several series of triangular drill pipe products of different types and functions to meet the individual needs of different customers. During the drilling process, three semicircular gaps are formed between the drill pipe and the borehole wall, which expands the channel for dust and gas removal, so that the gas and pulverized coal can be discharged smoothly and avoid stuck pipe accidents. The three smooth surfaces of the edge drill pipe are rotated and greasy, which can solidify the hole wall and reduce the occurrence of hole collapse in the soft coal seam; improve the drilling construction efficiency and porosity rate, and reduce the probability of drilling tool locking and drill pipe breakage and loss. The cost of drilling construction is reduced, and the economic benefit of drilling construction is significantly improved. The three-edged drill pipe series products are reasonable in design, safe and reliable, and are ideal products for deep hole drilling construction in complex geological structures such as soft and soft geology, coal-rock mixture, etc. Φ42 Heavy-duty triangular grooved drill pipe Φ42重型三棱刻槽钻杆

Φ42重型三棱刻槽钻杆

ZDY4200

Product Advantage

According to different geological conditions, we have designed and produced several series of triangular drill pipe products of different types and functions to meet the individual needs of different customers. During the drilling process, three semicircular gaps are formed between the drill pipe and the borehole wall, which expands the channel for dust and gas removal, so that the gas and pulverized coal can be discharged smoothly and avoid stuck pipe accidents. The three smooth surfaces of the edge drill pipe are rotated and greasy, which can solidify the hole wall and reduce the occurrence of hole collapse in the soft coal seam; improve the drilling construction efficiency and porosity rate, and reduce the probability of drilling tool locking and drill pipe breakage and loss. The cost of drilling construction is reduced, and the economic benefit of drilling construction is significantly improved. The three-edged drill pipe series products are reasonable in design, safe and reliable, and are ideal products for deep hole drilling construction in complex geological structures such as soft and soft geology, coal-rock mixture, etc.
Product Application

When drilling soft coal seams, the drilling pressure should be small, and the drilling method of air slag discharge has the best effect. Equipped with the light orifice dust suppression device produced by our company, the ideal drilling and hole forming effect can be achieved. The flushing drilling method is easy to cause mud blockage in the hole, and the phenomenon of twisting and breaking of the drill pipe, which affects the drilling of the drill pipe and increases the probability of hole collapse and sticking. However, compared with the cylindrical drill pipe , still has high performance and pore-forming advantages. The diameter difference between the drill bit and the drill pipe should be 10-15mm. If the diameter difference is too large, the effect of the triangular drill pipe on the hole wall will be reduced. The three-edged drill pipe solves a series of problems such as hole collapse, sticking, and locking that are easy to occur in deep hole drilling in soft coal seams; these successful experiences we have accumulated and formed must be explained to customers in place, and professional knowledge can increase customers' understanding of us recognition, increase the probability of transaction.

Num	Category	Product nam	Alias	Spec	Model	Weight(KG)	Craft
94	Geoalloy Drill Pipes	Geoalloy drill pipe	Round drill pipe Outer flat drill pipe Imitation British drill pipe Friction Welded Drill Pipe Water drill pipe	φ50*0.5M	DZ50Flat buckle	4.26	Friction welding
95		Geoalloy drill pipe		φ50*0.79M	DZ50Taper	6.00	Friction welding at both ends
96		Geoalloy drill pipe		φ50*0.79M	45#Taper	6.00	Friction welding at both ends
97		Geoalloy drill pipe		φ50*0.8M	DZ50Taper	6.20	Friction welding at both ends
98		Geoalloy drill pipe		φ50*0.8M	45#Taper	6.20	Friction welding at both ends
99		Geoalloy drill pipe		φ50*0.89M	DZ50Flat buckle	6.00	Two inner wires
100		Geoalloy drill pipe		φ50*0.89M	45#Flat buckle	6.00	Two inner wires
101		Geoalloy drill pipe		φ50*1.0M	45#Flat buckle	6.90	Two inner wires
102		Geoalloy drill pipe		φ50*1.0M	DZ50Flat buckle	6.90	Two inner wires
103		Geoalloy drill pipe		φ50*1.0M	DZ50Taper	8.00	Friction welding at both ends
104		Geoalloy drill pipe		φ50*1.0M	45#Taper	8.00	Friction welding at both ends
105		Geoalloy drill pipe		φ50*1.39M	45#Flat buckle	9.50	Two inner wires
106		Geoalloy drill pipe		φ50*1.39M	DZ50Flat buckle	9.50	Two inner wires
107		Geoalloy drill pipe		φ50*1.5M	45#Flat buckle	10.50	Two inner wires
108		Geoalloy drill pipe		φ50*1.5MM	DZ50Flat buckle	10.50	Two inner wires
109		Geoalloy drill pipe		φ50*1.5M	DZ50Taper	11.60	Friction welding at both ends
110		Geoalloy drill pipe		φ50*1.5M	45#Taper	11.60	Friction welding at both ends
111		Geoalloy drill pipe		φ50*1.5M	45#Hexagon	11.50	Friction welding at both ends
112		Geoalloy drill pipe		φ50*1.5M	DZ50Hexagon	11.50	Friction welding at both ends
113		Geoalloy drill pipe		φ50*2.0M	45#Taper	15.00	Friction welding at both ends
114		Geoalloy drill pipe		φ50*2.0M	DZ50Taper	15.00	Friction welding at both ends
115		Geoalloy drill pipe		φ50*2.5M	45#Taper	18.50	Friction welding at both ends
116		Geoalloy drill pipe		φ50*2.5M	DZ50Taper	18.50	Friction welding at both ends
117		Geoalloy drill pipe		φ63.5*0.8M	R780Taper	9.10	Friction welding at both ends
118		Geoalloy drill pipe		φ63.5*0.8M	45#Taper	10.00	Friction welding at both ends
119		Geoalloy drill pipe		φ63.5*1.0M	R780Taper	11.50	Friction welding at both ends
120		Geoalloy drill pipe		φ63.5*1.0M	45#Taper	12.70	Friction welding at both ends
121		Geoalloy drill pipe		φ63.5*1.5M	R780Taper	16.40	Friction welding at both ends
122		Geoalloy drill pipe		φ63.5*1.5M	45#Taper	18.00	Friction welding at both ends
123		Geoalloy drill pipe		φ63.5*1.6M	R780Taper	17.00	Friction welding at both ends
124		Geoalloy drill pipe		φ63.5*1.6M	45#Taper	18.50	Friction welding at both ends