Key Seat Wiper
Introduction:
The key seat reaming tool is a sleeve with five blades dressed with an aggressive tungsten carbide hardfacing. Key Seat Wipers are most effective for reaming out key seats when pulling out of the hole using the single-clutch ascent type, or using the double-clutch dual-action ascent-descent type when reaming in and out of the hole.
Running Key Seat Wiper will save you from costly fishing jobs and downtime.
Operation and application:
The Key Seat Wiper is placed in the string between the drill pipe and the drill collars. During drill ahead operations, the non-rotating sleeve will not ream the formation. In case of over-pull- when tripping out drill collars or reaming back to shoe through a dogleg-rotate the drillstring while pulling out of hole to cause the clutch ring to transmit rotation to the wiper sleeve and initiate reaming operations.
The wiper blades will enlarge the key seat to allow the passage of the bottom hole assembly through potential tight sections of the hole.
Available model:
JKQ125 JKQ178 JKQ203 JKQ207
When ordering please specify:
●Upper and lower neck diameter;
●Upper and lower connections;
●Circulation bore;
●Drill collar O.D. or gauge O.D. of wiper sleeve at blades
Specifications - Key Seat Wiper
1 Key Seat Wiper JKQ125 115 125 38 117 NC31 <200
2 Key Seat Wiper JKQ178 165 178 70 325 NC50 <200
3 Key Seat Wiper JKQ203 188 203 70 325 NC50 <200
4 Key Seat Wiper JKQ207 192 207 70 325 NC50 <200
