China Direct Factory Supply Used 121/4" Water Well Drill Bit

Product Detail

With professional and productive factory, HAINAISEN is one of the leading China steel tooth bit manufacturers. Welcome to wholesale steel tooth bit from us,

we always have cheap products to offer you.The first well washing circulation can't stop, should pay attention to the washing liquid from the wellhead outflow.

The second is to pump unexpected problems led to stop, immediately raising a drill bit, in order to avoid being sand. Third bit nozzle is smaller, the way should

 be to prevent the nozzle is blocked.a point, in addition to rolling out there, drilling teeth do rolling cutting effect, the bottom gradually being broken, so successfully

 drilled through strata.

Quick Details: 

Place of origin	xian,china (mainland)
Brand name	HNS tci tricone bit
Modle number	81/2"
Type	Tricone Drill Bit, tungsten carbide insert
Material	alloy steel,carbon steel tricone drill bit
Use	well drilling
Size	81/2" in tricone drill bit
No. of blades	3 blades
Application	oil,gas and mining well drilling
Certification	ISO9001
Formation	soft -medium formation
Pccking detail	wooden or as required
Delivery Detail	According to the quantity; the shortest one day
MOQ	1/pcs
Payment	T/T,L/C,Western union
Port of shipment	port of shanghai or port of tianjing

 

Method of operation

1 measurements of good size, matching the corresponding joint.

2 well check each bit roller flexibility, loose or not, connection of drilling tools.

3 to the bottom, the rotating disk, to be smooth, then slowly down, all the sand flushing as well.

Gradually add pressure to 4 bit, the intensity should not be too large, otherwise the bit may lead to deformation or wheel fall off slowly.

5 drilling speed must be just perfect, drilling cement fifty to seventy drill more appropriate.

 size:

SIZE	IADC CODE	PIN SIZE	weight   (kg.)
4 3/4”	IADC517,547	2 7/8”	24.2
4 7/8”	IADC547	2 7/8”	26.4
5 1/2”	IADC547	3 1/2”	29.7
5 5/8”	IADC547	3 1/2”	30.2
5 2/3”	IADC546	3 1/2”	30.8
6”	IADC417,447	3 1/2”	35.2
6 1/8”	IADC547	3 1/2”	37.4
6 1/4”	IADC517,537	3 1/2”	37.4
6 1/2”	IADC517,547,817	3 1/2”	44
6 3/4”	IADC517,537	3 1/2”	50.6
7 1/2”	IADC517,545,547,625,627,835	4 1/2”	66
7 7/8”	IADC417,517,527,537,817	4 1/2”	72.6
8 1/2”	IADC417,435,437,517,535,537,547,625,627,635,745,835,837	4 1/2”	81.4
8 3/4”	IADC437	4 1/2”	88
9 5/8”	IADC535	6 5/8”	121
9 7/8”	IADC517,537,737	6 5/8”	127.6
10 5/8”	IADC437,535,537,545,547,627,745	6 5/8”	167.2
11”	IADC617	6 5/8”	173.8
11 5/8”	IADC535,545,625	6 5/8”	198
12 1/4”	IADC437,517,535,537,617	6 5/8”	204
15 1/2”	IADC545,615	7 5/8”	440
17 1/2”	IADC535,545	7 5/8”	594

 About Company:

We are Shaanxi Hainaisen Petroleum Technology Co., Ltd.is engaged in diamond 

drill bits, diamond core bits ,geological  exploration and mining drill bit of R &D,manufacturing

 and sales.the company is located in XI’AN JINGWEI zone ,spanning between two rivers ,where 

convenient transportation,abundant ,honest,beautiful scenery .in the early stage of the market has

 formed a good block ,have agood block ,have a good reputation in the industry ,the company 

adhere to the long –term development path. Has engaged in a diamond drill bit ,drill geological 

minning research,design ,manfacturing and technical experts, the use of advanced technology for

 oil ,geology ,mine design a variety of different formations specification PDC bits,core bits ,geological

 minning drill .the company also produces wear shose ,shoes and other downhole tools washover.

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www.pdcoiltool.com