drilling motors
TRANSCRIPT
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DRILLING MOTORS
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NOV Downhole is the largest independent downhole tool and equipment provider in the
world. We have the expertise to optimize BHA selection and performance, supporting over 150
locations in more than 80 countries.
Our complete range of solutions for the bottom hole assembly and related equipment includes:
Drill Bits
Drilling Motors
Borehole Enlargement
Drilling Tools and Products
Coring Services
Fishing Tools
Intervention and Completion Tools
Service Equipment Advanced Drilling Solutions
We take pride in delivering superior performance and reliability. Our objective is to exceed our
customers expectations, improve their economics and be an integral part of their strategies.
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DRILLING MOTORS
Introduction
Introduction ....................................................................................Page 4
Drilling Motor Sub-Assembly Description
Drilling Motor Sub-Assembly Description ......................... Pages 4 - 5
Drilling Motors Product Offering
Drilling Motors Product Offering ....................................................Page 6
HEMIDRIL Drilling Motors
HEMIDRIL Drilling Motors ....................................................... Page 7
PowerPLUS Drilling Motors
PowerPLUS Drilling Motors ...................................................Page 8
Vector Drilling Motors
Vector Drilling Motors ............................................................Page 9
Short Radius Drilling Motors
Short Radius Drilling Motors ..................................................Page 10
Coiled Tubing Motors
Coiled Tubing Motors .............................................................. Page 11
CT PowerPLUS Motors
CT PowerPLUSMotors.........................................................Page 12
CT HEMIDRIL Motors
CT HEMIDRIL Motors ...........................................................Page 13
Bottom-End Options
Bottom-End Options ..............................................................Page 14
NOV Motors Nomenclature
NOV Motors Nomenclature ....................................................Page 15
Power Section Options
Power Section Options .................................................Pages 16 - 17
Operating Adjustable Housings
Operating Adjustable Housings .............................................Page 18
NOV Downhole Solutions
NOV Downhole Solutions ...................................................... Page 19
Table of Contents
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The increased reliability of drilling motors, in combination with improved drill bit designs and measurement while drilling (MWD) systems,
present operators with enhancements to rotary drilling in an increasing number of applications. It is generally acknowledged that an effectivedrilling motor, matched to the drill bit and formation, provides better rates of penetration than rotary drilling alone. In addition to increasing
rate of penetration, a drilling motor allows a reduction in drillstring rotary RPM which reduces wear and tear on the casing, the drillstring,
and other rotating topside components. A properly configured bottom hole assembly (BHA) also allows for effective directional control of
the wellbore.
The main sub assemblies of a drilling motor include the power section, adjustable or fixed housing, driveshaft, and the bearing assembly.
The power section offers a wide range of bit speeds and torque outputs. With recent improvements in elastomer technology and
manufacturing techniques, the power section can be tailored to function in high bottom hole temperatures and invert mud systems.
The adjustable or fixed housing and driveshaft are located between the power section and the bearing assembly, and are engineered
to withstand the increased torque rating of power sections.
As drilling programs become more complex and drilling distances push further, NOV Downhole engineers its bearing assemblies to
withstand higher loads and torque, while increasing its reliability and longevity. NOV Downhole offers both oil and mud lubricated
bearing assemblies.
Your NOV Downhole representative will gladly assist you in selecting the most appropriate motor for your drilling
application. Please consider the following questions when ordering your equipment:
Consider these additional products from NOV Downhole when making your equipment decisions:
Drill Collars
Drilling Jars
Jar IntensifierTools
Agitator Tools
Drill Bits
Reamers
Shock Tools
Non-Magnetic Drilling Tools
Stabilizers
Build a BHA
What is the drillingAPPLICATION?
Straight, Directional, Performance (Vertical), Horizontal, Extended Reach, Borehole Enlargement, Coring, and Coiled Tubing
What is the FORMATIONcomprised of?
Soft Rock, Hard Rock, Abrasive Formations, Thinly Laminated Formations
What is the estimated WELL DEPTH?
Shallow Wells (up to 3,000ft), Intermediate (5,000 7,500ft), Deep (7,500 12,000ft), Ultra Deep (16,000ft +), Offshore Shelf, Offshore Deepwater
What is the anticipated downhole ENVIRONMENT?
High Pressure, High Temperature, Corrosive, High Chlorides, Oil Based Mud
Are there any ADDITIONAL CONSIDERATIONS?
Rate of Penetration (ROP) Requirements, Directional Controls, Stabilization Requirements, Dogleg Severity
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Introduction
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DRILLING MOTORS
NOV Downhole offers the most versatile array of downhole motors available for straight or directional drilling. Rotary power is produced by a
Moineau positive displacement progressing cavity power section. Power sections offer a wide range of bit speeds and torque ratings and canbe tailored to function in both high bottom-hole temperatures and inverted mud systems. Motors are available with a fixed or an adjustable
bent housing located between the motor and the bearing assembly. The adjustable housing is easily adjustable at the wellsite from straight
to a 3obend in 12 increments, or a 4obend in 18 increments.
7. Stabilization:
Motors are available with a threaded stabilizeron the bearing assembly immediately above
the bearing mandrel. Stabilizers can be
either straight blade or spiral blade. This
stabilizer along with the integral wear pad at
the bend of the adjustable housing provides
the full range of stabilization required for
directional and kickoff work. For steerable
motor assemblies, a concentric or eccentric
stabilizer may be installed at the top of the
motor and an undergauge stabilizer on the
lower end of the motor.
6. Bearing Mandrel:
The Bearing Mandrel has a large cross-
section providing extra strength and reduces
the deflection and stress. This allows the
motor to be rotated in the hole with the
reduced likelihood of fatigue induced
failures. NOV Downhole motors are available
with high-torque bearing mandrels, designed
to handle high torque power sections.
3. Driveshaft Assembly:
The eccentric motion of the rotor is converted
to concentric rotation via a driveshaft fitted
at each end with sealed and lubricated
universal joints. The strength and service
life of these joints is greatly increased over
that of conventional joints due to the larger
diameters that are possible due to the
larger internal clearances available through
the adjustable housing. NOV Downhole
offers both conventional and high torque
driveshaft assemblies, designed to handle
todays highest-torque power sections, with
a proven record of reliability.
2. Power Section:
Rotational power is provided by a Moineau
progressing cavity positive displacement
power section. Power sections are available
in many flow, speed, and torque ranges to
fit any drilling environment. Different rotor/
stator fits as well as advanced elastomers
are available to help cope with high down
hole temperatures and invert muds.
1. Top Sub / Dump Sub:A top sub may be used instead of the dump
sub; in which case the string will be pulled
wet. The use of a float valve prevents the
motor from filling through the bit.
The dump sub is a normally-open valve
which allows mud to by-pass the motor to fill
or drain the pipe while tripping into or out of
the hole. This valve will automatically close
when circulation is started. For example:
The 64dump sub closes at a flow rate of
approximately 120 gpm. The closing flowrate can be changed upon request.
5. Bearing Assembly:
The bearing assembly is available in either
oil or mud lubricated technology.
The oil lubricated assemblies are capable
of withstanding extreme radial and axial
loads. Bearing assemblies are fully oil bath
lubricated, sealed and pressure balanced.
Since no drilling fluid flows through the
bearing assembly, motor bearing life is
extended and bit hydraulics are maximized.
The short length of the bearing assembly
keeps the adjustable housing close to the
bit and provides better control of the build
rate and motor steerability.
The mud lubricated assemblies are designed
to withstand extreme drilling conditions
and high temperatures. They feature high
precision bi-directional full contact thrust
bearings that provide a uniform load
distribution and high weight on bit capacity.
In addition, the bearing mandrel is radially
supported over the entire length and can
handle very high side loads.
4. Adjustable Assembly:The adjustable assembly connects the
stator to the bearing assembly and encloses
the driveshaft assembly. The angle setting
is field adjustable to produce a wide range
of build rates. The adjustable assembly is
available as 3oand 4ooptions. The Downhole
adjustable assembly is made up of four
components and is thus simple to service
and maintain. The design allows for a large
internal diameter and thus enables a larger
driveshaft diameter to be assembled.
Most motors have an optional near bit stabilizer. Concentric or
eccentric stabilizers can also be provided to stabilize the top or
middle of the motor. NOV Downhole manufactures motors that range
from 1vto 114diameter.
Drilling Motor Sub-Assembly Description
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2
(Not shown)
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Drilling Motors Product Offering
PowerPLUSDrilling Motor
The power section features advancedelastomers that provide improvedperformance by increasing torque,power, and reliability in high temperatureor other adverse conditions. Configurablewith oil or mud lubricated bearingassemblies.
Ideal forachieving increased ROP andreliability in tough drilling conditions.
HEMIDRIL
Drilling MotorFeatures even wall technology, thehighest torque and power output class ofpower sections available in the industry.Maintains a consistent RPM throughoutthe performance range of the motor.Configurable with oil or mud lubricatedbearing assemblies.
Ideal forapplications with RotarySteerable Systems, Casing WhileDrilling, and applications requiring highROP and consistent drilling performance.The motor of choice for aggressivedrilling conditions, hot hole applications,and with invert mud systems.
Vector Drilling MotorA versatile selection of drillingmotors available for, directional, andperformance drilling. The powersection options offer a wide range of bitspeeds and torques, are matched to anadjustable or fixed housing, and an oil ormud lubricated bearing assembly.
Ideal foran array of drilling applications;maximizes ROP while providing areliable motor that is simple and efficientto service.
Coiled Tubing Motor
Offered in the 1vto 32diameterrange; used with coiled tubing unitsfor continuous drilling and workoverapplications.
Ideal forcoiled tubing workoverapplications such as vertical deepening,milling, de-scaling or de-waxing ofproduction tubing, windows, cementplugs and under-balanced drilling.
CT HEMIDRILMotor
Coiled tubing motor to meetindustry demand for aggressive, hightorque, low speed drilling requirements.
This powerful motor features evenwall technology which is the highesttorque and power-output class of powersections available to the market.
Ideal forrotary steerables,casing while drilling, high ROP andconsistent performance,
aggressive drilling conditions,hot hole and invert mud systems.
Short Radius Drilling Motor
Achieves high build rates for mediumradius drilling and re-entry applications.
Ideal formaximizing horizontal accessto the target formation.
CT PowerPLUS
MotorUtilizes high performance elastomer thatdelivers 50% more power and torquethan traditional power sections.
Ideal forcoiled tubing workoverapplications such as vertical deepening,milling, de-scaling or de-waxing ofproduction tubing, windows, cementplugs and under-balanced drilling.
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DRILLING MOTORSDRILLING MOTORS
Size ConfigurationMax BitSpeed
Rev / Unit Volume Min Flow Max Flow Torque @ Max Pressure Max Dif ferential Pressure
rev/gal rev/l gpm lpm gpm lpm lb-ft N-m psi kPa
5 7/8, 3.8 Stage 130 0.52 0.137 160 610 250 950 4,480 6,070 865 5,960
5 4/5, 6.3 Stage 245 0.97 0.256 100 380 250 950 3,830 5,190 1,435 9,890
64 7/8, 2.9 Stage 85 0.17 0.045 200 760 500 1,890 9,750 13,211 660 4,550
64 7/8, 4.8 Stage 136 0.34 0.090 160 610 400 1,510 8,450 11,450 1,090 7,510
6d 7/8, 3.0 Stage 180 0.30 0.079 300 1,140 600 2,270 6,510 8,821 685 4,720
6d 7/8, 5.0 Stage 180 0.30 0.079 300 1,140 600 2,270 10,830 14,675 1,140 7,850
6d 7/8, 2.9 Stage 102 0.17 0.045 300 1,140 600 2,270 12,955 17,554 900 6,200
8 7/8, 4.0 Stage 153 0.16 0.042 300 1,140 900 3,410 15,155 20,535 910 6,270
9s 7/8, 4.8 Stage 132 0.11 0.029 600 2,270 1,200 4,540 26,160 35,447 1,090 7,510
114 7/8, 4.8 Stage 132 0.11 0.029 600 2,270 1,200 4,540 26,160 35,447 1,090 7,510
The HEMIDRILDrilling Motor offers the highest power and torque output by utilizing even wall technology.
The power section consists of a steel supported core with flexible multi-body construction, an even thicknesselastomer, and Power Rib technology. These features combine to deliver increased torque, power, and
efficiency that are required in challenging drilling environments.
The HEMIDRILs steel supported core allows for increased differential pressure across each stage over the
length of the power section. The constant elastomer thickness reduces fluid leakage and heat build up. The
Power Rib technology further increases the seal efficiency which improves the conversion of pressure to
torque and power.
Delivering an increased rate of penetration at a consistent RPM, the HEMIDRIL is ideally suited for challenging
drilling environments including high temperatures and invert mud systems.
Features
Even wall design
Multi-body construction
Power Rib technology
Available with Sealed or Mud-Lubricated Bearing
Assembly
Benefits
Higher torque and power output
Consistent RPM and directional control
Increases rate of penetration and drilling
efficiency
Withstands aggressive drilling applications
and conditions
Extends drilling distances
HEMIDRIL power section provides up to 75%
higher drilling torque than traditional stage
power sections
HEMIDRILDrilling Motors
NOV Downhole will assist you in selecting the appropriate products to build your bottom hole assembly.
Contact your NOV Downhole representative for more information, and to confirm that your selected tools
match your drilling program.
HEMIDRILDrilling Motors
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Benefits
Rated for 50% higher differential pressure
than standard NBR, providing 50% higher
torque output capacity
Increases rate of penetration and drilling
efficiency
Features
Advanced elastomer stator
Available with Oil Sealed or Mud-Lubricated
Bearing Assembly
The PowerPLUSDrilling Motor features an advanced elastomer power section delivering increased torque,
power, and efficiency. The elastomer provides a combination of increased strength and rigidity, and improvedfluid resistance. The increased mechanical and chemical properties of the power section elastomer provides
the ability to drill through tough formations with high reliability.
Delivering increased rate of penetration at a consistent RPM, the PowerPLUS Drilling Motor is suited for
straight and directional drilling, hot hole applications, and invert mud systems.
Standard Sizes:
32inches to 9sinches
NOV Downhole will assist you in selecting the appropriate products to build your bottom hole assembly.
Contact your NOV Downhole representative for more information, and to confirm that your selected tools
match your drilling program.
PowerPLUSDrilling Motors
All motors 4wand larger are available with PowerPLUS configuration.
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DRILLING MOTORS
The Vector Drilling Motor is considered a standard within the industry and is the motor of choice for
conventional drilling applications. The motor is available in an array of power section configurations thatdeliver the desired speeds and torque. Furthermore, it is configured with an adjustable or fixed housing and
an oil or mud lubricated bearing assembly.
The Vector Drilling Motor is readily available and cost effective. It is a reliable tool that has a minimum number
of components and is simple and efficient to service. In addition, it is backed by NOV Downhole sales,
engineering, manufacturing, and operations support.
Features
Wide range of speeds and torques
Adjustable or fixed housing option
Available with Sealed or Mud-Lubricated
Bearing Assembly
Stabilization options
Benefits
Reliable and consistent performance
Increases ROP and drilling efficiency
Adaptable to a variety of drilling environments
Cost effective - simple to maintain and service
Standard Sizes:
32inches to 114inches
NOV Downhole will assist you in selecting the appropriate products to build your bottom hole assembly.
Contact your NOV Downhole representative for more information, and to confirm that your selected tools
match your drilling program.
Vector Drilling Motors
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Benefits
Higher build rates and motor steerability
Minimizes True Vertical Depth (TVD) to
reach horizontal
Lower bend settings reduce stress on
components
The Short Radius Motor achieves higher build rates at lower bend settings due to its shorter bit-to-bend
design, making it ideal for medium radius and re-entry drilling applications.
The motor is optimal for maximizing horizontal access to the target formation and enhances overall ROP by
eliminating the need to trip out of the hole to change the motor bend setting once horizontal.
Features
Short bit-to-bend length
3oor 4oadjustable offering
Wide range of speeds and torques
Available with PowerPLUS and HEMIDRIL
power sections
Short Radius Drilling Motors
10
NOV Downhole will assist you in selecting the appropriate products to build your bottom hole assembly.
Contact your NOV Downhole representative for more information, and to confirm that your selected tools
match your drilling program.
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CT MOTORS
1
Features
Small diameter applications
Wide range of speeds and torques
Smooth outer diameter - Slick
Designed specifically for coiled tubing and slim hole drilling applications, the Coiled Tubing Motor provides
all the benefits of the Vector Drilling Motor, in outer diameters that are less than 4winches.
This motor is used with coil tubing units for continuous drilling and workover applications such as vertical
deepening, milling, de-scaling or de-waxing of production tubing, windows, cement plugs, and under-
balanced drilling.
Benefits
Coiled Tubing and Slim Hole applications
Consistent performance
Cost effective and simple to maintain
Standard Sizes:
1ninches to 32inches
Coiled Tubing Motors
NOV Downhole will assist you in selecting the appropriate products to build your bottom hole assembly.
Contact your NOV Downhole representative for more information, and to confirm that your selected tools
match your drilling program.
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CT PowerPLUSMotors
NOVs PowerPLUS Power sections utilize high performance elastomer that delivers 50% more power and
torque than traditional power sections. The elastomer has proven to perform remarkably in both waterbased fluids and nitrogen; which makes this power section ideal for CT milling operations.
Extensive research and analysis was conducted by NOV Downhole to design and manufacture this
mpressive addition to our power sections. This included:
Elastomer formulation testing Fluid immersion testing
Endurance testing Performance research
Field testing
The results of extensive testing provided the strong base for the PowerPLUS Power section; another quality
National Oilwell Varco solution for the coiled tubing industry.
Features
High performance elastomer power section
Generates 50% more power than
conventional power sections
Generates 50% higher torque than traditional
power sections
Benefits
Improved CT milling/drilling performance
Increased speed at which plugs are milled
Performs well with water based fluids
Performs well with nitrogen and air milling/
drilling
Less stress on the coiled tubing
Reduced operational cost
Standard Sizes:
2dinches to 38inches
NOV Downhole will assist you in selecting the appropriate products to build your bottom hole assembly.
Contact your NOV Downhole representative for more information, and to confirm that your selected tools
match your drilling program.
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CT MOTORS
1
The HEMIDRILcoiled tubing motor has been developed to meet industry demand for aggressive, high
torque, low speed drilling requirements. NOVs high performance CT HEMIDRIL Power sections are idealfor straight hole and lateral coiled tubing milling and drilling operations. The HEMIDRIL power section has
a steel supported core with flexible multi-body construction, even elastomer thickness, and Power Rib
technology.
The CT HEMIDRIL utilizes the same Evenwall Technology that NOV has used with success for years in the
well-respected HEMIDRIL Drilling Motors. This evenwall stator includes a patented Power Rib surface that
improves efficiency and tool life. The uniform elastomer thickness, thin wall design, and power rib technology
combine to deliver increased torque, horsepower, and efficiency. CT HEMIDRIL Power sections have proven
to withstand the harsh conditions that often plague coiled tubing operations.
Features
Even layer of rubber
Patented Power Rib technology which
increases efficiency and tool life
75% more power than conventional stators
75% more torque than conventional stators
Benefits
Improved CT milling/drilling performance
Increased speed at which plugs are milled
Reduced rubber swelling in hot hole
environments leads to longer life
Reduced rubber swell while using nitrogen
Less stress on the coiled tubing
Reduced operational cost
NOV Downhole will assist you in selecting the appropriate products to build your bottom hole assembly.
Contact your NOV Downhole representative for more information, and to confirm that your selected tools
match your drilling program.
CT HEMIDRILMotors
Power Rib Technology improvesefficiency and tool life
Standard Sizes:
2dinchesCut-away of CT HEMIDRIL
with Power Rib Technology
Size 2d
Configuration 5/6, 4.4 Stage
(rev/gal / rev/l) 5.58 rev/gal / 1.473 rev/l
Min Flow (gpm / lpm) 20 gpm / 80 lpm
Max Flow (gpm / lpm) 80 gpm / 300 lpm
Full Load Torque (lb-ft / N-m) 440 lb-ft / 596 N-m
Full Load Pressure (psi / kPa) 1,000 psi / 6,890 kPa
CT HEMIDRILMotors
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Bottom-End Options
14
ST3 Sealed Bearing Technology- (HEMIDRIL-ST3, PowerPLUS-ST3, Vector-ST3, DuraPower-ST3)NOV ST3 Sealed Bearing Technology (previously known as the Series 36 bearing assembly) uses the strongest and most versatile sealedbearing assemblies in the NOV fleet. This is a fully sealed bearing assembly 100% of the drilling fluid passes directly to the bit with no lossvia flow restrictors, so bit hydraulics are maximized.
Features Benefits
Sealed, oil-lubricated bearing assembly 100% of the fluid exits at the bearing mandrel bit box No-bypass design: 100% flow to bit Full flow to bit yields: Ultra-Duty bearing mandrel for high torque power sections - Better bit and hole cleaning Pin-down bearing mandrels available - Increased ROP Optional BlackBox pocket on bearing mandrel - Better bit life
Ball-type driveshaft assembly Ideal for rotary steerable applications: - Full flow to power rotary steerable - No signal loss when running MWD pulser below motor Handles abrasive drilling fluids better no flow restrictor wear Best option for air drilling not relying on mud to lubricate bearings
SR3 Short Radius Technology- (HEMIDRIL-SR3, PowerPLUS-SR3, Vector-SR3, DuraPower-SR3)NOV SR3 Short Radius Drilling Technology (previously known as the Series 39 bearing assembly) provides the ability to drill higher build
rates, for short radius drilling. This uses a sealed bearing assembly a shorter version of the ST3 design.
Another use of a short bit-to-bend motor is to reduce the stresses in the adjustable assembly by drilling a standard radius curve but using a
lower bend setting than a standard motor. This reduces the bending stresses experienced by the adjustable assembly, decreasing the risk
of a housing fracture.
Features Benefits
Short bit-to-bend length Higher build rates and motor steerability
Sealed, oil-lubricated bearing assembly Lower bend settings reduce stress on components
No-bypass design: 100% flow to bit Minimizes True Vertical Depth (TVD) to reach horizontal
Ball-type driveshaft assembly
ML3 Mud Lubricated Technology- (HEMIDRIL-ML3, PowerPLUS-ML3, Vector-ML3, DuraPower-ML3)NOV ML3 Mud Lubricated Technology (previously known as the Series 40 bearing assembly) is designed with a mud lubricated bearing
assembly featuring a bi-directional angular contact bearing pack that gives a uniform load distribution and high weight on bit capacity. In
addition, the mud lubricated bearing assembly is radially supported over its entire length and can, therefore, tolerate very high side loads.
The additional feature that separates the ML3 mud lubricated motor from competitors tools is the Twin Torque Nut design. This patent-
pending feature separates the power section output torque from the compression of the bearings, so the torque rating of the bearing
assembly is not limited by the bearings.
Features Benefits
Twin Torque Nut feature allows use with high torque power sections Higher operating torques
Bi-Directional Angular Contact Bearing Pack - Tensile or compression Higher bottom hole temperatures load is supported by multiple rows of bearings Extended operating hours
Bearing Assembly is radially supported over its entire length Easy to service; Beneficial in remote locations Maximum operating temperature is limited only by power section Versatile; Operates in virtually any drilling fluid
Ball-type driveshaft assembly Higher weight-on-bit (WOB) capacity
ST1 Sealed Bearing Technology- (Vector-ST1, DuraPower-ST1)NOV ST1 Sealed Bearing Technology (previously known as Series 14 / 17 bearing assemblies) also incorporates the use of flow restrictorsto balance the lower rotary seals and therefore bypasses a small percentage of drilling fluid away from the bit. This technology has also beenused successfully for many years and smaller sizes are still regularly used.
ST2 Sealed Bearing Technology- (HEMIDRIL-ST2H, PowerPLUS-ST2H, Vector-ST2, DURAPOWER-ST2)NOV ST2 Sealed Bearing Technology (previously known as Series 24 / 24X bearing assemblies) and ST2H (previously known as Series24XH bearing assemblies) are capable of withstanding radial and axial loads similar to the ST3 assemblies. This design incorporates theuse of flow restrictors to balance the lower rotary seals and therefore bypasses a small percentage of drilling fluid away from the bit. Theyhave logged over 4 million hours of successful drilling since year 2000.
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DRILLING MOTORS
NOV Motors Nomenclature
1
Naming Structure
Product Family:
Vector
PowerPLUS
HEMIDRIL
DuraPower*
Future Power Sections
Bearing Assembly Type:
ST Sealed Technology
ML Mud lubricated
SR Short Radius
CT Coiled Tubing
Version Number:
Current Generation 3
3 Series 40 & Series 36
2 Series 24, 24X,
2H Series 24XH
1 Series 14, 17, 20
SeriesNumbers
NewName
SeriesNumbers
NewName
SeriesNumbers
NewName
14, 17, ST1 33 ML1 20 SR1
24, 24X ST2 Not Used ML2 Not Used SR2
24XH ST2H
36 ST3 40 ML3 39 SR3
For Coiled Tubing
Sizes 1nto 38
14, 17 CT1
24X, 24XH CT2
36 CT3
PowerPLUS ST 3
Cross Reference
The table below shows the cross reference between series numbers and the new convention.
Sealed Technology Mud Lubricated Short Radius
*Each of the bottom-end technologies are available for order without a power section. This configuration of a motor bottom-end, without a power section, is named DuraPower.
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DRILLING MOTORS
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Power Section Options
Size
ConfigurationMaximumFlow Rate
MaximumBit Speed
Rev / UnitVolume
Standard MaxDifferential Pressure
Torque @ MaxPressure
PowerPLUS MaxDifferential Pressure
PowerPLUS Torque@ Max Pressure
SizeLobe
ConfigNo. ofStages
gpm lpm RPM rev/gal Rev/L psi kPa lb-ft N-m psi kPa lb-ft N-m
Mon
floPowerSections-7w
-114
7w 4/5 3.6 900 3,410 226 0.25 0.07 520 3,590 5,106 6,920 780 5380 7660 10,390
7w 4/5 5.3 900 3,410 230 0.26 0.07 750 5,170 7,029 9,530 1,130 7,790 10,540 14,290
7w 5/6 5.0 900 3,410 257 0.29 0.08 700 4,830 5,529 7,500 1,050 7,240 8,290 11,240
7w 6/7 4.0 900 3,410 159 0.18 0.05 565 3,900 7,783 10,550 850 5,860 11,680 15,840
7w 7/8 2.0 900 3,410 106 0.12 0.03 295 2,030 6,055 8,210 440 3,030 9,080 12,310
7w 7/8 3.0 900 3,410 152 0.17 0.04 460 3,170 6,604 8,950 690 4,760 9,910 13,440
7w 7/8 4.0 900 3,410 149 0.17 0.04 570 3,930 8,333 11,300 860 5,930 12,500 16,950
8 5/6 3.0 900 3,410 279 0.31 0.08 435 3,000 3,436 4,660 650 4,480 5,150 6,980
8 6/7 5.0 900 3,410 159 0.18 0.05 715 4,930 9,618 13,040 1,070 7,380 14,430 19,560
9s 2/3 7.5 1,200 4 ,540 590 0.49 0.13 1040 7,170 5,853 7,940 1560 10,760 8,780 11,900
9s 3/4 4.5 1,200 4,540 260 0.22 0.06 615 4,240 7,184 9,740 920 6,340 10,780 14,620
9s 3/4 6.0 1,200 4,540 251 0.21 0.06 830 5,720 8,849 12,000 1,250 8,620 13,270 17,990
9s 5/6 3.0 1,200 4,540 133 0.11 0.03 410 2,830 8,988 12,190 620 4,270 13,480 18,280
9s 5/6 4.0 1,200 4 ,540 132 0.11 0.03 555 3,830 11,865 16,090 830 5,720 17,800 24,130
9s 6/7 5.0 1,200 4 ,540 156 0.13 0.03 715 4,930 12,881 17,460 1,070 7,380 19,320 26,190
9s 6/7 6.0 1,200 4 ,540 155 0.13 0.03 880 6,070 15,775 21,390 1,320 9,100 23,660 32,080
114 3/4 3.6 1,500 5,680 179 0.12 0.03 505 3,480 12,174 16,510 760 5,240 18,260 24,760
114 6/7 5.5 1,800 6 ,810 162 0.09 0.02 820 5,650 19,368 26,260 1,230 8,480 29,050 39,390
114 6/7 5.6 1,800 6 ,810 162 0.09 0.02 820 5,650 19,377 26,270 1,230 8,480 29,060 39,400
HEMIDRIL
PowerSections-
2d
-114
2d 5/6 3.5 120 450 400 3.33 0.88 883 6,090 644 870
5 4/5 6.3 250 950 245 0.98 0.26 1435 9,890 3,830 5,190
5 7/8 3.8 250 950 130 0.52 0.14 865 5,960 5,964 8,090
64 7/8 2.9 500 1,890 85 0.17 0.04 660 4,550 9,750 13,220
64 7/8 4.8 400 1,510 136 0.34 0.09 1,090 7,520 8,451 11,460
6d 7/8 2.9 600 2,270 102 0.17 0.04 900 6,210 12,955 17,560
6d 7/8 3.0 600 2,270 180 0.30 0.08 685 4,720 6,510 8,830
6d
7/8 5.0 600 2,270 180 0.30 0.08 1,140 7,860 10,830 14,6808 7/8 4.0 900 3,410 153 0.17 0.04 910 6,270 15,155 20,550
9s 7/8 4.8 1,200 4,540 132 0.11 0.03 1,090 7,520 26,160 35,470
114 7/8 4.8 1,200 4,540 132 0.11 0.03 1,090 7,520 26,160 35,470
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Operating Adjustable Housings
These operating instructions apply to both 3oand 4oadjustable housings.
Offset Housing Offset Housing Offset Housing
Figure 1
Break joint with tongs on tong areas
Keep adjusting ring engaged with offset
housing and back off lock housing 2 turns
Note:Teeth must stay engaged duringthe back-off procedure
Figure 2
Slide the adjusting ring up to disengage
teeth
To adjust bend angle, rotate adjusting
clockwise until the required angle marked
in the adjusting ring and offset housing
match
Note: Do not rotate counterclockwise
beyond the 0osetting
Figure 3
Engage teeth of adjusting ring at chosen
angle setting
Apply thread dope to mating faces of the
lock housing and adjusting ring
Torque lock housing to recommendedvalue
Matched number indicates angle of bend
Note: Do not rotate counterclockwise
beyond the 0osetting
Power Section Power Section Power Section
Apply thread dope
to this face beforeretorquing
Lock Housing
Adjusting Ring
Adjusting RingAdjusting Ring
Tong Area
Tong Area
Wear Pad
Lock Housing Lock Housing
0.
39
1.
15
0.78
0
1.5
0
0.7
8
0
0
.39
1
.15
1.5
0
1.8
3
1
.83
0.3
9
1.15
0.7
80
1.5
0
1.
83
0.78
0
0
.39
1
.15
1.50
1
.83
3.
00
2.
90
2.6
0
2.
12
2.9
8
2.77
2.3
8
3.
00
2.
90
2.6
0
2.1
2
2.
98
2.3
8
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NOV Downhole Offerings
Drilling Motors
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DOWNHOLE SOLUTIONS
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National Oilwell Varco has produced this brochure for general information only, and it is notintended for design purposes. Although every effort has been made to maintain the accuracy andreliability of its contents, National Oilwell Varco in no way assumes responsibility for liability for any
loss, damage or injury resulting from the use of information and data herein. All applications for the
material described are at the users risk and are the users responsibility.
All brands listed are trademarks of National Oilwell Varco.
One Company . . . Unlimited Solutions
Corporate Headquarters7909 Parkwood Circle DriveHouston, Texas 77036United StatesPhone: 713 375 3700Fax: 713 346 7687
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www.nov.com/downholelocations
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