API Roller Reamer Oilfield Drilling Tool

• Customization: Available
• After-sales Service: Provide
• Warranty: Provide
• Model NO.: WG155
• Manufacturing Process: CNC Milling
• Surface Treatment: Spray-Paint
• Operation Pressure: Atmospheric Pressure
• Material: Alloy
• Spare Part: Selectable
• OEM: Provide
• Others: API and ISO
• Color: Any
• Transport Package: Wooden Case
• Specification: OD 146 mm-914 mm
• Trademark: KAIDI
• Origin: China
• HS Code: 8431431000

Product Description

Product Overview

The Roller Reamer is an advanced drilling tool designed for precise hole enlargement, wellbore stabilization, and improved drilling efficiency in challenging formations. Featuring rugged rolling cutters mounted on a high-strength body, this tool combines reaming and stabilization functions to optimize borehole quality while reducing torque and vibration.

Key Features & Benefits

 

Dual-Function Design - Simultaneously reams tight spots and stabilizes the drill string for smoother operation. Roller Cutter
Technology - Hardened, replaceable cutters (TCI/tungsten carbide inserts) provide superior durability in abrasive formations.
Optimized Fluid Flow - Open-body design ensures efficient cuttings evacuation and cooling.
Reduced Torque & Drag - Rolling action minimizes friction for extended tool life and improved ROP.
API Standard Connections - Compatible with common BHA components (NC, Reg, or FH threads).

Applications

• Hole Conditioning - Corrects undergauge holes and eliminates ledges.

• Directional Drilling - Maintains wellbore trajectory in complex profiles.

• Hard & Heterogeneous Formations - Cuts through interbedded layers and abrasive rock.

Model		WG146	WG149	WG152	WG155	WG165	WG200	WG212	WG215	WG244	WG270	WG311	WG406	WG444	WG470	WG508	WG558	WG610	WG660	WG711	WG762	WG813	WG864	WG914
Hole size(in)		5.75	5.875	6	6.125	6.5	7.875	8.375	8.5	9.625	10.625	12.25	16	17.5	18.5	20	22	24	26	28	30	32	34	36
OD(mm)		146	149	152	155	165	200	212	215	244	270	311	406	444	470	508	558	610	660	711	762	813	864	914
ID(mm)		31.8	31.8	31.8	31.8	38	38	44	44	57	57	71	76	76	76	76	76	76	76	76	76	76	76	76
Connection		NC38	NC38	NC38	NC38	NC38	NC46	NC46	NC50	NC50	6 5/8REG	6 5/8REG	7 5/8REG	7 5/8REG	7 5/8REG	7 5/8REG	7 5/8REG	7 5/8REG	7 5/8REG	7 5/8REG	7 5/8REG	7 5/8REG	7 5/8REG	7 5/8REG
Length(mm)		1400	1400	1470	1470	1470	1700	1700	1700	1700	1700	1800	2000	2100	2200	2200	2200	2200	24002350	2400	2400	2595	2585	2600
Weight (Kg)		115	120	119	126	131	226	257	282	299	368	477	735	967	1072	1201	1388	1945	2143	2172	2842	3140	3338	3698
SPARE PART LIST
mandrel	QTY	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1
	Weight  Kg.	107	108	110	110	122	208	239	259	259	395	436	715	837	1011	1159	1326	1774	1960	1988	2724	3007	3199	3569
Block	QTY	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3
	Weight  Kg.	0.28	0.28	0.28	0.28	0.28	0.28	0.28	0.54	0.7	1.5	1.5	2.2	3	3	3	3	2.5	4	4	4.1	4.1	4.2	4.2
Circlips For Hole	QTY	3	3	3	3	3	3	3	3	3	3	3	3	3	3	6	3	3	3	3	3	3	3	3
	Weight  Kg.	0.002	0.002	0.002	0.002	0.002	0.002	0.002	0.002	0.002	0.002	0.002	0.02	0.002	0.002	0.002	0.002	0.002	0.002	0.002	0.002	0.002	0.002	0.002
Elastic Washers	QTY	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6
	Weight  Kg.	0.002	0.002	0.002	0.002	0.002	0.002	0.002	0.002	0.002	0.002	0.002	0.16	0.002	0.002	0.002	0.002	0.002	0.002	0.002	0.002	0.002	0.002	0.002
flat gasket	QTY	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6
	Weight  Kg.	0.001	0.001	0.006	0.006	0.006	0.018	0.018	0.001	0.001	0.001	0.001	0.12	0.001	0.001	0.001	0.001	0.001	0.001	0.001	0.001	0.001	0.001	0.001
Screws	QTY	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6
	Weight  Kg.	0.03	0.03	0.03	0.03	0.03	0.03	0.03	0.05	0.1	0.18	0.18	0.3	0.4	0.4	0.4	0.4	0.4	3	3.24	4.8	4.8	4.8	4.8
Upper Permanent Seat	QTY	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3
	Weight  Kg.	0.91	0.91	0.91	0.91	0.91	0.91	4.2	1.4	1.6	4.4	4.4	4.4	5	5	5	5	5	14	14.2	14.4	14.45	14.45	14.85
Elastic Permanent Pin	QTY	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3
	Weight  Kg.	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01	0.01
Wear plate	QTY	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6	6
	Weight  Kg.	0.05	0.05	0.05	0.05	0.05	0.05	0.15	0.09	0.15	0.15	0.15	0.43	0.15	0.15	0.6	0.6	0.6	0.88	0.88	1	1	1	1.18
Cutter	QTY	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3
	Weight  Kg.	2.3	2.3	2.3	2.3	2.4	3	4.2	4.3	4.3	4.3	13.2	13.2	33.5	33.2	33.2	33.2	33.4	50.6	50.6	69.4	69.4	69.4	79.4
Cutter Shaft	QTY	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3
	Weight  Kg.	1.2	1.2	1.2	1.2	1.2	1.2	9.3	2.4	2.4	8	8	12	14	14	14	14	14	14	14	14	30	35	14
Lower Permanent Seat	QTY	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3	3
	Weight  Kg.	0.79	0.79	0.79	0.79	0.79	0.79	4.2	1.4	1.6	4.4	4.4	4.4	5	5	5	5	5	14	14	14	14.45	14.45	14.85