China factory customized Shock Subs For Oil Drilling - Model” KKZ” Fixed Drill Reamer – Gaofeng Manufacturer and Supplier

factory customized Shock Subs For Oil Drilling - Model” KKZ” Fixed Drill Reamer – Gaofeng

Short Description:

Model” KKZ” Fixed Drill Reamer Model “KKZ” Three-cones Reamer (Reamer as shortened below) is a kind of tool used to ream the existing borehole diameter during drilling process. Usually, it is put into the bottom hole with a drill bit so as to simultaneously implement drilling and reaming. Little drill bit used together with a reamer can reduce tripping time and speed up drilling. Table 1 Specification and Performance Parameter of Three-cone Reamer KKZⅡ Model Bore Hole Diameter mm(in) ...

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factory customized Shock Subs For Oil Drilling - Model” KKZ” Fixed Drill Reamer – Gaofeng Detail:

Model” KKZ” Fixed Drill Reamer

Model “KKZ” Three-cones Reamer (Reamer as shortened below) is a kind of tool used to ream the existing borehole diameter during drilling process. Usually, it is put into the bottom hole with a drill bit so as to simultaneously implement drilling and reaming. Little drill bit used together with a reamer can reduce tripping time and speed up drilling.

Table 1 Specification and Performance Parameter of Three-cone Reamer KKZⅡ

Model	Bore Hole Diameter mm(in)		hole（Min. Pilot Bore）mm(in)	Water hole mm(in)	Neck				bottom		Overall length mm(in)
Model	Bore Hole Diameter mm(in)		hole（Min. Pilot Bore）mm(in)	Water hole mm(in)	Diameter mm(in)	length mm(in)	Thread mm(in）		Diameter mm(in)	thread mm(in)	Overall length mm(in)
KKZ311Ⅱ	311.2(12) 1/4)	215.9（8 1/2）	38.1(1 1/2)	203(8)	457.2（18）	6 5/8 REG		203(8)		4 1/2 REG	1524（60）
KKZ444Ⅱ	444.5(17) 1/2)	266.7(10 1/2)	57.2(2 1/4)	203(8)	457.2（18）	6 5/8 REG		203(8)		6 5/8 REG	1752（69）
KKZ660Ⅱ	660.4(26)	311.2(12 1/4)	71.4(2) 13/16)	203(8)	710（27.9）	6 5/8 REG		203(8)		6 5/8 REG	2200(86.6)
KKZ762Ⅱ	762(30)	457.2(18)	71.4(2) 13/16)	203(8)	700（27.5）	6 5/8 REG		203(9)		7 5/8 REG	1900(74.8)
KKZ914Ⅱ	914.4(36)	609.6(24)	71.4(2) 13/16)	229(9)	914（35.9）	7 5/8 REG		229(9)		7 5/8 REG	2158(84.9)
KKZ813Ⅱ	813（32）	508(20)	71.4(2)	229(9)	833(32.8)	7 5/8 REG		229(9)		7 5/8 REG	2077(81.8)
KKZ864Ⅱ	864(34)	558.8(22)	71.4(2)	229(9)	914（35.9）	7 5/8 REG		229(9)		7 5/8 REG	2158(85)

Notes: if you need other specifications, please give us detailed description whey you order or inquire.

Table 2 parameter of drill pressure and drill rate in recommended stratum

Model	Cone assembly	Applied stratum	Main feature of bit cutting	Recommended parameter
				Drill pressure KN	Drill rate（r/min）
KKZ660Ⅱ	C0145（No.1 cone）	Extreme soft stratum with low compressive strength and high drill ability, like soft shale, clay, salt rock, etc.	Surface of cone back cone and tooth should be hard faced.	130~460	350~80
	C0146（No.2 cone）
	C0147（No.3 cone）
KKZ762Ⅱ	C0138（No.1 cone）			150~530	350~80
	C0139（No.2 cone）
	C0140（No.3 cone）
KKZ914Ⅱ	C0130（No.1 cone）			180~640	350~80
	C0131（No.2 cone）
	C0132（No.3 cone）

Notes: please specify the stratum coding when you order, for depending on the coding, we can choose certain cone assembly to match the coding.

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