Product Details

API 7-1 Standard downhole oil well drilling fiexed diameter hole opener/SM MH XH cutters type hole opener AISI4145H in oilfield

Product Description

1. The body of Fixed Diameter Hole Opener is made of tough heat treated alloy steel for maximum strength. Cutter arms, equipped with removable cutter, are hardfaced and welded on body. Cutters are available in three types. The hole openers have three or six jet tubes with replaceable nozzles, so that jet streams quickly clean the enlarged hole. Fixed Diameter Hole Opener is used for enlarging the surface hole which drilled by cone bit in advance, or connected above the cone bit. It applies to Onshore and offshore oilfield.

2. Cutters type:
"SM": Soft to medium formation;
"MH": Medium to hard formation;

''XH'': Hard formation.

Technical parameter

Specifications - Fixed Diameter Hole Opener

Hole open diameter	Qty of cutters	Min.Pilot hole	Fishing neck diameter	I.D.	Top connection(Pin)	Bottom connection(Box)	Overall Length
12 1/4"	3	8 1/2"	8"	1 1/2"	6 5/8REG	6 5/8REG	55"
16"	3	10"	9 1/2"	2 1/4"	7 5/8REG	6 5/8REG	59"
17 1/2"	3	10"	9 1/2"	2 1/4"	7 5/8REG	6 5/8REG	59"
22"	3	12 3/4"	9 1/2"	2 1/3"	7 5/8REG	6 5/8REG	69"
23"	3	12 3/4"	8"	3"	7 5/8REG	6 5/8REG	69"
24"	3	14"	10"	3"	7 5/8REG	7 5/8REG	69"
26"	3	17 1/2"	10"	3"	7 5/8REG	7 5/8REG	69"
36"	4	26"	10"	3 1/2"	7 5/8REG	7 5/8REG	87"

Test & Production

Note

Send your inquiry details below, click "send" now.