Drilling Motors

8/10/2019 Drilling Motors

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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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6

Introduction

5


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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

3

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.



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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




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






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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


Available with PowerPLUS and HEMIDRIL

power sections

Short Radius Drilling Motors

10





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CT MOTORS

1

Features

Small diameter applications


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





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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





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CT MOTORS

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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




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

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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

1

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


19/20

1

NOV Downhole Offerings

Drilling Motors


PowerPLUS Drilling Motors


ReedHycalog Drill Bits

Fixed Cutter Bits

Roller Cone Bits

Bi-Center Bits

TuffCutter Bits

Bowen Fishing Tools

External Catch Tools

Internal Catch Tools

Junk Retrieval Tools

Milling and Cutting Tools

Accessory Tools

Repair and Remedial Tools

Borehole Enlargement

ReedHycalogCSDBi-Center Bits

Anderreamer Concentric Hole Openers

Concentric String (CS) Tools

Eccentric String (ES) Tools

Advanced Drilling Solutions

Complete Drilling Optimization Services

SystemMatched Drill Bits

BHA Optimization and Vibration Mitigation

TerraSCOPE, VibraSCOPE, BlackBoxAnalysis

Hydraulics and MSE Analysis

Drilling Tools

Agitator Tools

Drilling Jars

Anderdrift Tools

Drilling Jar Intensifier Tools

Drilling Bumper Subs

Collars, Stabilizers and Drillstring Components

Reamers and Wipers

V-StabVibration Dampening Tools

Coring Services

Corion ExpressWireline Coring

OrientExpress Oriented Wireline Coring

Conventional Coring

Intervention and Completion Tools

Coiled Tubing Tools

Ultra CT Jars

CT Agitator Tools

PCE/Progressive CT Tools

CT Motors

CT HEMIDRILMotors

CT PowerPLUS Motors

Service Equipment

Connection Tools

TorqueMaster Make-Up/Break-Out Machines

Product Testing

Jar and Motor Test Stands

Workshop Accessories

Vises, Skids, Service Tool Packages

DOWNHOLE SOLUTIONS


20/20

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

For a complete list of NOV Downhole locations, visit us online:

www.nov.com/downholelocations

Downhole Solutions

Drilling Solutions

Engineering and Project Management Solut

Lifting and Handling Solutions

Production Solutions

Supply Chain Solutions

Tubular and Corrosion Control Solutions

Well Service and Completion Solutions

Date post:	02-Jun-2018
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