Hole Opening Tools for Drilling Rig

• After-sales Service: 18mths
• Warranty: 18mths
• Certification: ISO 9001:2008, API
• Power Source: Hydraulic
• Operation Pressure: Vacuum
• Applicable Medium: Natural Gas, Crude Oil
• Model NO.: NSJ
• Structure: Horizontal
• Material: Cast Steel
• API Standard: API-7-1
• Supply: 20sets/Mth
• Pkg: Wooden Box
• Lead Time: 30days
• Transport Package: Standard Export Case
• Specification: standard
• Trademark: NSJ
• Origin: China
• Production Capacity: 10000 Pieces Per Year

Product Description

Fixed Diameter Hole Opener
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.
Cutters type:
"SM": Soft to medium formation; "MH": Medium to hard formation; "XH": Hard formation.
Specification

Model	Opening Size	Number of Cutters	Pilot Hole(Min.)	Fishing Neck	Upper	Lower	ID	OAL
	mm(inch)		mm(inch)	mm(inch)	Conn.	Conn.	mm(inch)	mm(inch)
KZ3-216	215.9(8 1/2)	3	165.1(6 1/2)	120.7(4 3/4)	NC38	3 1/2REG	25.4(1)	1524(60)
KZ3-311	311(12 1/4)	3	215.9(8 1/2)	203.2(8)	6 5/8REG	4 1/2REG	38.1(1 1/2)	1524(60)
KZ3-444	444.5 (17 1/2)	3	266.7(10 1/2)	241.3(9 1/2)	7 5/8REG	7 5/8REG	57.2(2 1/4)	1752(69)
KZ3-584	584(23)	3	355.6(14)	241.3(9 1/2)	7 5/8REG	7 5/8REG	76.2(3)	1753(69)
KZ3-660	660.4(26)	3	444.5(17 1/2)	241.3(9 1/2)	7 5/8REG	7 5/8REG	76.2(3)	1753(69)
KZ3-813	812.8(32)	3	444.5(17 1/2)	241.3(9 1/2)	7 5/8REG	7 5/8REG	76.2(3)	1850(72 27/32)
KZ3-914	914.4(36)	3	609.6(24)	241.3(9 1/2)	7 5/8REG	7 5/8REG	76.2(3)	1905(75)
KZ4-914	914.4(36)	4	444.5(17 1/2)	241.3(9 1/2)	7 5/8REG	7 5/8REG	89(3 1/2)	2650(104 3/8)
KZ4-813	812.8(32)	4	444.5(17 1/2)	241.3(9 1/2)	7 5/8REG	7 5/8REG	76.2(3)	2540(100)
KZ6-1067	1066.8(42)	6	660.4(26)	241.3(9 1/2)	7 5/8REG	7 5/8REG	76.2(3)	1955(77)

UR-I Under Reamer
UR-1 Under reamer is used for enlarging the hole size under the casings.
Specification

Model	Ream Range (inch)	ID mm(inch)	Conn.	OAL mm(inch)
UR-I 241	(5 7/8" - 9 1/2")	38.1(1 1/2)	3 1/2REG	1369(54)
UR-I 609	(12"~24")	71.4(2 13/16)	6 5/8REG	1977(78)

 

 

UR-II Drilling Type Variable Diameter Hole Openers
UR-II Drilling type variable diameter hole opener is a tool to enlarge the hole size in drilling operation, and save the trip times. It can expediently control the cutters to expand and shrink. It has the advantages of exquisite structure, convenient control and flexible action Features. According to different requirements, it could be adjusted to revelant diameter in maintenance workshop.
Specification

Model	Ream Range (inch)	ID mm(inch)	Conn.	OAL mm(inch)
UR-II 184	(8 1/4"~13")	25.4(1")	4 1/2REG	2418(95)