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滾輪穩定器

滾輪穩定器用于(yú)各種絞孔作業中，可以(yǐ)在(zài)硬地(dì / de)層或研磨性岩層中使用，保持井眼的(de)标準直徑。鑽井工具

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This is a hydraulic jar, with the characteristics of compact structure, reliable seal, high strength and optimum up jarring effect. It is the first selected tool in fishing operation in the case of freeing the sticking point by up jarring. When used with

描述

滾輪穩定器用于(yú)各種絞孔作業中，可以(yǐ)在(zài)硬地(dì / de)層或研磨性岩層中使用，保持井眼的(de)标準直徑。當鑽頭磨損到(dào)小于(yú)标準尺寸時(shí)，滾輪穩定器可以(yǐ)擴大(dà)井底井徑達到(dào)标準井徑。無論鑽直井還是(shì)定向井，三滾輪穩定器可以(yǐ)确保後面的(de)鑽頭或套管将能下入正常的(de)井徑尺寸，滾輪穩定器的(de)特點是(shì)與井壁摩擦阻力小，耐磨性強，使用壽命長。

Type T: 軟地(dì / de)層

Type F: 中硬地(dì / de)層

Type B: 硬地(dì / de)層 WG滾輪穩定器-滾輪刀.jpg

Specifications
Model	Hole Size mm (inch)	Roller Diameter mm (inch)	Roller Length mm (inch)	Fishing Neck OD mm (inch)	ID mm (inch)	OAL mm (inch)	Conn.
							Upper	Lower	Remark
WG-149	149.2 (5 7/8)	46 (1 13/16)	200 (7 7/8)	120.7 (4 3/4)	31.8 (1 1/4)	1600 (63)	NC38	NC38	String
								3 1/2 REG	Near Bit
WG-156	155.6 (6 1/8)	50.8 (2)	200 (7 7/8)	120.7 (4 3/4)	31.8 (1 1/4)	1600 (63)	NC38	NC38	String
								3 1/2 REG	Near Bit
WG-216	215.9 (8 1/2)	71 (2 13/16)	200 (7 7/8)	165.1 (6 1/2)	44.5 (1 3/4)	1800 (70 7/8)	NC50	NC50	String
								4 1/2 REG	Near Bit
WG-311	311.1 (12 1/4)	100 (3 15/16)	300 (11 13/16)	203.2 (8)	57.2 (2 1/4)	1900 (74 13/16)	6 5/8 REG	6 5/8 REG	String
									Near Bit
WG-444	444.5 (17 1/2)	140 (5 1/2)	304 (11 21/31)	228.6 (9)	76.2 (3)	2100( 82 43/64)	7 5/8 REG	7 5/8 REG	String
									Near Bit

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