Motores De Fondo

Motor
Operations
Handbook

2012
Version 5.0

MISSION
Cougar Drilling Solutions strives to be the
premier supplier of Vertical, Directional
and Horizontal Drilling Services to the oil,
gas and geothermal exploration and
development industry. Cougar Drilling
Solutions strives to set the standard by
which all others are judged.

2012
Version 5.0

The information in this handbookis subject to change without notice.
If you have any questions or concerns,
feel free to contact any of our locations.

Cougar DS Motor Operations

CONTENTS
INTRODUCTION

COMPONENTS
BEARING ASSEMBLY............................................... 3
FIXED HOUSING...................................................... 4
ADJUSTABLE ASSEMBLY........................................ 4
DRIVESHAFT ASSEMBLY....................................... 4
POWER SECTION.................................................... 5
ROTOR CATCH........................................................ 6
DUMP SUB............................................................... 7
TOP SUB.................................................................. 7STABILIZATION......................................................... 8

APPLICATIONS
MOTOR SELECTION................................................. 9
DRILLING................................................................... 9
PERFORMANCE DRILLING......................................10
DIRECTIONAL DRILLING..........................................11
HORIZONTAL DRILLING...........................................11
AIRDRILLING............................................................12
H2S............................................................................. 15
OPERATIONS
SURFACE TESTING..................................................16
RUNNING IN..............................................................16
REACTIVE TORQUE................................................. 17
MOTORSTALL.......................................................... 18
ROTATING THE MOTOR...........................................19
ROTOR BYPASS........................................................20
MOTOR PRESSURE DROP...................................... 20
BIT PRESSURE DROP.............................................. 21
PLUGGING OFF........................................................ 21
PULLINGOUT........................................................... 22

I

Cougar DS Motor Operations

CONTENTS (cont’d)
FLUIDS
DRILLING FLUIDS.....................................................23

TEMPERATURE
DOWNHOLE TEMPERATURE.................................. 25

TROUBLE SHOOTING
DECREASE IN ROP.................................................. 26
SUDDEN PRESSUREINCREASE............................26
LOW PRESSURE.......................................................27

ADJUSTABLE INSTRUCTIONS
ADJUSTABLE INSTRUCTIONS.................................28
TORQUE SPECIFICATIONS......................................31
RESETTING INSTRUCTIONS...................................31

MUD MOTORS PERFORMANCE SPECIFICATIONS
MOTOR CHART EXAMPLE.......................................34MOTOR OPERATIONS..............................................35
MOTOR FISHING DIMENSIONS...............................37
STABILIZER FISHING DIMENSIONS........................39

II

Cougar DS Motor Operations

CONTENTS (cont’d)
DRILLING MOTOR SPECIFICATIONS
3 - 1/8”
7-8 Lobe

3.0

Stage.................... 42

7-8 Lobe

4.0

Stage.................... 44

4-5 Lobe

3.5Stage.................... 48

7-8 Lobe

2.0

Stage.................... 50

7-8 Lobe

2.3

Stage.................... 52

4-5 Lobe

3.5

Stage.................... 56

7-8 Lobe

2.0

Stage.................... 58

7-8 Lobe

2.2

Stage.................... 60

7-8 Lobe

2.6 ESX Stage.................... 62

7-8 Lobe

3.8

Stage.................... 64

7-8...