ROTATE DRILLING MOTOR CO., LTD
ROTATE rotors are precision machined and polished to achieve a smooth and accurate finish. Each rotor is then plated chrome twice for corrosion protection and wear resistance. The thickness of chrome plating is 1:1. Chrome plating thickness is 1:1...
Click for detailsDownhole Drilling Motor Stator
ROTATE stators use a quality high performance butadiene acrylonitrile elastomer. The Rotate standard elastomer is a versatile and field proven formulation. It has excellent mechanical properties and good resistance to aromatics. The Rotate standard...
Click for detailsDownhole Motor Adjustable Bent Housing
The Rotate adjustable bent housing allows for quick and easy bend angle adjustment from 0°-3°. • Bent angle easily can be changed by drilling crew on a rig floor • Shorter bit to bent distance (between bearing and motor sections) • Wider variety of...
Click for detailsThe function of coupling is to convert planetary motion into fixed constant rotation of drive shaft, to transmit torque and speed from motor on the drive shaft,and to the bit.Coupling assembly mostly use flat shaft,but some are flexible...
Click for detailsThe function of coupling is to convert planetary motion into fixed constant rotation of drive shaft, to transmit torque and speed from motor on the drive shaft,and to the bit. ROTATE ball drive coupling shaft is suitable for ABH (Adjustable Bend...
Click for detailsTop subs may also be designed with a float bore for those applications that may require float valve. Optionally, a dump valve sub can be used in place of the top sub. The dump valve sub has the same function as a top sub, but instead contains an...
Click for detailsFloat Valve is usually connected on the top of the bit to control down hole liquid. While stopping pump and connecting with single, it can prevent waterhole from being plugged by re-flowing drilling. When blowout occurs, it can serve as splash valve...
Click for detailsRotate Crossover Subs are manufactured from 4145M or 4140HT alloy steel. The connections are protected by a phosphate surface coating that minimizes galling on initial make-up. When ordering, please specify: Identify sub use. Example: Kelly Sub,...
Click for detailsRotate manufactures the Float Sub body and sub from chromoly steel and uses third party, industry approved, plunger (dart) and flapper float assemblies. The Float Subs are available in one or two piece body construction and are supplied with either...
Click for detailsThe drilling motor is a hydraulically actuated device that converts hydraulic energy into mechanical energy. The purpose of the motor is to generate the rotational speed(RPM) and torque needed to operate the drill bit. The drilling motor takes its...
Click for detailsThe power section is the part of the motor that converts hydraulic energy into mechanical energy, resulting in drill-bit rotation. The power section consists of two parts, the rotor and the stator. When assembled, these two components form a...
Click for detailsReferencing the image to your right, the power section cross-section (or profile) shows different "lobed" rotors inside their corresponding stator. The power section profiles are designed with these different ratios to allow for specific motor...
Click for detailsRotate offers two types of stator elastomers: A High Performance (HP) compound and a High Temperature (HT) compound. Rotate's HP elastomer is a high durometer (hard rubber) formulation. It has excellent mechanical properties and good resistance to...
Click for detailsDrilling Motor Coupling Section
The coupling section comprises of two components: the internal coupling and the external coupling housing. The coupling attaches the lower end of the rotor to the upper end of the drive shaft. The coupling transmits the rotational speed and torque...
Click for detailsThe coupling housing encases the coupling within the motor. The coupling housing provides an optimum location for the placement of a bend in the motor. Adding a bend to the coupling housing makes the motor a steerable tool. Coupling housing can have...
Click for detailsDrilling Motor Bearing Section
The bearing section makes up the lower half of the motor. It is comprised of a drive shaft that is supported by a series of radial and thrust bearings. The bearing section is what controls the mechanical energy supplied by the power section to the...
Click for detailsThe thrust bearings support the downward force resulting from the weight on the drill bit (WOB) and the loads from the combined hydrostatic thrust and weight from the internal motor
Click for detailsRadial bearings support the side loads on the drive shaft and help regulate the flow of drilling fluid through the bearing assembly. Some of the drilling fluid is diverted to cool and lubricate the bearings. Rotate uses radial bearings with tungsten...
Click for detailsRotate motors are also available with the ability to add a near bit stabilizer onto the outer bearing housing. Threads are machined on the bearing housing outer diameter to allow a screw-on stabilizer to be installed just above the bit. This thread...
Click for detailsDownhole Motor Adjustable Bend Housing
Motors with Adjustable Bend Housings (ABH) utilize a bend in the coupling housing. This is the most common type of steerable motor. The bend in the motor creates an offset in the axis of the bit relative to the axis of the hole. This bend is...
Click for detailsThe top sub box thread is available in several options for each motor size. These options are listed in the motor performance section. Please specify the top sub connection when
Click for detailsPower Section For Drilling Motor
The function of the power section is to convert a portion of the hydraulic energy of the drilling motor (in the form of pressure and flow) into mechanical power in the form of rotation and torque. The power section consists of a fluted rotor and a...
Click for detailsBearing Section For Drilling Motor
All Rotate Directional Drilling Motors (DDM) feature sealed, pressure compensated bearing sections. State of the art rotary seals are employed at each end of the bearing section to prevent drilling mud from entering the bearing housing while sealing...
Click for detailsBearing Assembly For Downhole Motor
Each bearing section utilizes high capacity roller thrust bearings. For all but the 3-3/4" motors, the thrust bearings are stackable in either a 4:2 or 3:3 on bottom/off bottom arrangements to optimize load capacities to expected drilling...
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