Integral Spiral Blade Stabilizer

Integral spiral blade stabilizer

Drilling stabilizer is an important tool to control hole deviation in petroleum and gas exploration drilling process. The types can be divided into drill string type and near bit type. When equipped high rigidity drill collar and bigger drill pressure, stabilizer can minimize hole deviation and avoid  "dogleg" severity if being used properly.The stabilizer improve the quality of well and speed of drilling,which decrease the cost of drilling.

Construction

Integral Spiral Blade Stabilizer is divided into Integral 3-Spiral Blade Stabilizer, Integral 4-Spiral Blade Stabilizer .There are four kinds of abrasive resistant materials on the working surface of stabilizer: insert tungsten carbide buttons, insert diamond compound body, low temperature welding tungsten carbide pieces, hardfacing electrode on the surface etc.

Type	Working O.D .(in)	O.D. of  Body   (mm)	I.D. (mm)	Length (mm)	Connection
					String Type				Near Bit Type
					Top		Down		Top	Down
WL149	5-7/8″	121	51	1200	NC38					3-1/2REG
WL152	6″
WL158	6-1/4″
WL165	6-1/2″
WL190	7-1/2″	159	57	1600	NC46					4-1/2REG
WL200	7-7/8″
WL213	8-3/8″	159 165	71	1600 1800	NC46             NC50
WL215	8-1/2″	159 165 178
WL222	8-3/4″
WL241	9-1/2″	178 197		1600	NC50	NC50		NC50
WL245	9-5/8″			1800						6-5/8REG
WL251	9-7/8″
WL311	12-1/4″	203 209	76	1800	NC56 6-5/8REG	NC56 6-5/8REG		NC56 6-5/8REG		6-5/8REG
WL406	16″	229 241.3		2000 2200	NC61 7-5/8REG	NC61 7-5/8REG		NC61 7-5/8REG		NC61 7-5/8REG
WL445	17-1/2″
WL609	24″
WL660	26″
WL711	28″

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