Ppc Product Sheet 1c2vz

Powered Positioning Devices and Caliper (PPC-B) WL EQUIPMENT GUIDELINES PPC Private PPC, EQG

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Powered Positioning Devices and Caliper (PPC-B) WL EQUIPMENT GUIDELINES PPC Private PPC, EQG

\1.1\Produced: 27-Jun-2011

Copyright © 2011 Schlumberger, Unpublished Work. All rights reserved. This work contains the confidential and proprietary trade secrets of Schlumberger and may not be copied or stored in an information retrieval system, transferred, used, distributed, translated or retransmitted in any form or by any means, electronic or mechanical, in whole or in part, without the express written permission of the copyright owner. Trademarks & Service marksSchlumberger, the Schlumberger logotype, and other words or symbols used to identify the products and services described herein are either trademarks, trade names or service marks of Schlumberger and its licensors, or are the property of their respective owners. These marks may not be copied, imitated or used, in whole or in part, without the express prior written permission of Schlumberger. In addition, covers, page headers, custom graphics, icons, and other design elements may be service marks, trademarks, and/or trade dress of Schlumberger, and may not be copied, imitated, or used, in whole or in part, without the express prior written permission of Schlumberger. Marks of Schlumberger include but may not be limited to DSI. A complete list of Schlumberger marks may be viewed at the Schlumberger Oilfield Services Marks page: http://mark slist.slb.com

Regulatory Compliance

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Regulatory Compliance Waste management IMPORTANT INFORMATION FOR CORRECT DISPOSAL OF THE EQUIPMENT This symbol means that the equipment cannot be discarded in a rubbish-bin. At its end of life, the equipment and/or its components must be treated, following Schlumberger Environmental procedures, in compliance with Schlumberger QHSE Policy and applicable laws and regulations on waste management.

WL Equipment Guidelines PPC \1.1\EDMS UID: 1648928794\Produced: 27-Jun-2011 07:16:46. Copyright © 2011 Schlumberger, Unpublished Work. All rights reserved.

Table of Contents

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Table of Contents Regulatory Compliance 1 1.1

Introduction ___________________________________________________________________________ Overview and applications _________________________________________________________

1 1

2 2.1 2.2

Specifications ________________________________________________________________________ Equipment and operational specifications ___________________________________________ Measurement specifications _______________________________________________________

4 4 8

3 3.1 3.2 3.3 3.4

Equipment and parts __________________________________________________________________ Downhole equipment _______________________________________________________________ Surface equipment _________________________________________________________________ Wellsite auxiliary hardware _________________________________________________________ Workshop auxiliary hardware ______________________________________________________

8 8 8 9 11


Surface and Common Eqpt

Powered Positioning Device and Caliper (PPC-B)

Common Equipment Borehole Geometry Commercial

1 Introduction

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1 Introduction 2. AH-256 : 100067392

1. AH-255 : 100056945

1.1 Overview and applications

0.7-in offset for eccentralizer mode with 3-3/8 in tool

3-3/8 in 45/315 deg Rotatable

This section provides a general description of the equipment/service, giving the function and principal utilization. It includes a short tool history on the service evolution as well as basic information on telemetry class and service combinability.

Optional Extension Arm

9. 100127930 for 30-in coverage 3. PPLK-A : 100052370

10. 100059824 for 40-in coverage

Log Down Kit

11. SFT-522 : 100059830 Extension Calibration Jig

4. SFT-520 : 100044645

12. Optional Hard Coated Tip : 100127932

STD Calibration Jig

1.1.1 Overview

6.61 ft

13. Extension Arm Protector

2. AH-256 : 100067392

1. AH-255 : 100056945

100059826 for four-arm mode




3. PPLK-A : 100052370

14. 100067413 for one-arm

PPC-B30 100276971


eccentralizer mode


Log Down Kit


5. EMM Interface : 100051363

4. SFT-520 : 100044645


STD Calibration Jig

8. AH-257 : 100067411

6.5 ft

7. HCB-J 100354512 ( Sonde Control )



6. EMM-B : J955800 ( optional 6 arm caliper )

14. 100067413 for one-arm

PPC-B 100109075

Figure 1-2: PPC-B30

eccentralizer mode


8. AH-257 : 100067411 7. HCB-J 100354512 ( Sonde Control )



Figure 1-1: PPC-B


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1 Introduction

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2. AH-256 : 100067392

1. AH-255 : 100056945



File No. code

Part No.

8

AH-257

AH-257, 3-3/8 31P, PPC LOWER 0.7" 100067411 OFFSET

9

-

PPC EXTENSION ARM, 8.5" FOR 100127930 30"OD

10

-

PPC EXTENSION ARM, 17" FOR 100059824 40"OD


9. 100127930 for 30-in coverage 3.

PPLK-A : 100052370 Log Down Kit

p

Description



4. SFT-520 : 100044645


STD Calibration Jig

8.16 ft


12

-

TIP, STANDARD ARM, HARD 100127932 COATED

14. 100067413 for one-arm

13

-

100059826 PROTECTOR, EXTENSION ARM

14

-

100067413 PROTECTOR, ECCENTRALIZER ARM


PPC-HA 100337341

SFT-522, PPC EXTENSION CALIPER 11 SFT-522 100059830 CALIBRATION JIG

eccentralizer mode

The PPC (Powered Positioning device and Caliper) is an EFTB tool and has been developed as a multi purpose four-arm caliper. Independent movable caliper arms provide an accurate hole-volume computation even with tool eccentering.


8. AH-257 : 100067411


7. HCB-J

100354512 ( Sonde Control )


Figure 1-3: PPC-HA Table 1-1: Number description list. Figure 1-1, Figure 1-2, Figure 1-3 File No. code

Part No.

1

AH-255

AH-255, 3-3/8" 31PIN 20KSI, 100056945 45/315DEG ROTATABLE

2

AH-256

AH-256, 3-3/8 31P, PPC UPPER 0.7" 100067392 OFFSET

3

PPLK-A 100052370 PPLK-A, PPC LOG DOWN KIT

4

SFT-520, PPC CALIPER SFT-520 100044645 CALIBRATION JIG

5

-

Description

100330936 EMM INTERFACE ADAPTER

6

EMM-B J955800

7

HCB-J

EMM-B ENVIRONMENTAL MEASUREMENT MECHANICAL

HCB-J, HYDRAULIC SONDE 100354512 CONTROL BOX FOR PPC-B


Depending on the requested job type, the PPC works as an active positioning device (such as; adjustable force centralizer, short-axis positioning device, eccentralizer, or active standoff). The PPC not only works as a caliper, but it also works to improve the data quality of sonic tools, density tools and others. With the PPC log-down kit attached, the PPC is able to provide an open caliper and keep the tool either centered, or on a short axis when going down to Total Depth (TD). One of the features of the PPC is its adjustable “arm pressure” function. You can change the arm pressure by sending AC-AUX power from Surface. If you want to centralize the toolstring in a highly deviated hole, you can apply high-arm pressure to centralize the toolstring. A maximum of four PPCs can be combined in the same toolstring. This function was developed because some PPCs may be used as centralizers and some PPCs may be used as short-axis positioning tools simultaneously in the same toolstring.

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1 Introduction

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The other feature of the PPC is its selectable set up. You can change each caliper set up as either powered or non-powered.

that data, you can adjust the required centering force (caliper pressure.) Required centering force depends on the hole deviation and the weight of the toolstring.

•

If all four calipers are set up as powered, the PPC can be used as a centralizer (centering set up).

•

If two of the four arms are powered, the PPC is aligned in the long-axis, and can be used for the short-axis logging for tools in combination (short-axis logging set up).

Short-axis positioning: The PPC works as a short axis positioning device when only two of the caliper arms, which are perpendicular to the density caliper, receive caliper pressure (short axis logging set up.) Since this pair of powered PPC calipers is naturally oriented to the long axis in the oval hole, the density caliper orients to the short axis as a result.

•

If one of the four calipers is powered, the PPC can be used as an eccentralizer (eccentering set up).

These set ups are only changeable at the surface before the run in-hole. Since the PPC has the EMS cartridge (EMC) function for caliper measurement, it is possible to connect the EMS sonde (EMM-6 arm caliper sonde) directly below the PPC without using the EMS cartridge (EMC). If you use a 45° adapter head (AH-255) and dual PPC combination (PPC-AH45°-PPC) to produce an 8-arm caliper, the data combination of two PPCs can only be done on Well CAD 3D. 1.1.2 Principal applications The PPC is a four-arm caliper tool whose calipers are able to move independently and provide borehole radius. By processing caliper measurements, the PPC produces oval hole graphics, Well CAD 3D interface files. An important role of the PPC is to improve data quality of the tools in combination, such as a sonic or density tool, by providing proper positioning of the toolstring. Adjustable force centralizer: The PPC works as an adjustable force centralizer to centralize the toolstring in a vertical or deviated well. You need at least two PPCs to properly centralize the toolstring, and all of the caliper arm settings must be in the powered position (centering set up.) The recommendation is to put the PPC above and below the tool to be centralized. The PPC provides four-arm caliper measurements and by monitoring


Eccentralizer: The PPC works as an eccentralizer when only one arm is powered (eccentering set up.) Since this set up allows supplying arm pressure only to one of the arms, this single arm pushes the toolstring against the borehole. You can select which caliper to power. Log-down kit: When the PPC log-down kit is attached, you can open the caliper while the tool is going downhole. By doing this, you can centralize or orient the toolstring to the short axis during log down (e.g., sonic log down.) Active standoff: The PPC can also be used as an active stand off. Active standoff means that by opening and applying caliper pressure, the PPC works as a standoff and then the caliper can be closed when it is not needed.

Example When you run the CMR tool inhole, the strong magnet may stick to the casing and make it difficult to lower the tool. In that case, the PPC, which is connected below the sonde with log-down kit attached, works as an active standoff. Multiple PPC operation: Multiple PPC operation means you can combine a maximum of four PPCs in one toolstring. In case of OP/MAXIS, under the LES window, PPC displays the “PPC1-B” “PPC2-B” “PPC3-B” “PPC4-B” buttons.

3




1 Introduction The number of PPCs is important since caliper operation command, presentation format, signals, and data channel names are distinguished by that number. For the normal logging, always select “PPC1-B” for single PPC use and select in order PPC1,2,3… for multiple PPC operation. When you declare the toolstring, select “PPC1” as the top PPC in the toolstring. In case of MaxWell, the system automatically indexes the number for each PPC on the tool string. The does not have to take care of the index numbers. PPC-EMM integration: The PPC electronics includes the function of the EMS cartridge (EMC); therefore, the EMS sonde (EMM) can be connected directly below the PPC without the need for an EMC. This PPC-EMS combination provides 6-arm caliper data from EMM. 1.1.3 Telemetry information The PPC telemetry is EDTS and combinable with EFTB and FTB tools. Refer to 2.1.2 for detailed information. 1.1.4 Tool combinability The PPC uses AC-AUX for the caliper operation (open/close/powered) so special care is needed to combine the PPC with Highly Integrated Azimuthal Laterolog sonde (HALS). •

AC-AUX causes noise for the HALS measurement.

•

PPC arm control is not allowed during HALS logging.

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2 Specifications 2.1 Equipment and operational specifications This section contains basic equipment specifications (weight, dimensions, temperature/pressure ratings, holesize range) with a description of the major assets or components of PPC. This section also contains basic details on service combinability. 2.1.1 Specifications Table 2-1: Physical specifications PPC–B

PPC-B30

PPC-HA

Maximum diameter

See Table 2-4 for variable specifications.

Overall length (with end caps)

95.75 in (2,432.0 mm)

96.84 in (2,459.7 mm)

115.44 in (2,932.2 mm)

Makeup length

78.20 in (1,986.3 mm)

79.30 in (2,014.2 mm)

97.96 in (2,488.2 mm)

Weight

169.8 lbs

191.5 lbs

234.8 lbs

ts

3-3/8 in 31 pin standard UH/LH

30 KPSI series, basically (MAST-HA, EDTH-B30 and XECH-KA...) Refer to Note (p. 6).

3-3/8 in 31 pin standard UH/LH

Volume

0.62 ft3 (0.01756 m3)

0.65 ft3 (0.01841 m3)

0.82 ft3 (0.02322 m3)

1.1.5 Tool history Although the PPC does not have a direct predecessor, the EDAC and the EMS are both multi-arm calipers. The EDAC is used for the density short-axis logging with density tool.

Log-down kit

44.1 lbs (kit only)

Table 2-2: Operational specifications Operational specifications Operation temperature


p

4

PPC-B and PPC-B30

175 degC

PPC-HA

232 degC holding time 5 h




2 Specifications

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Performance specifications

Operational specifications Operation pressure

Environmental

PPC-B

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2

20,000 lbf/in (psi) 2

PPC-B30

30,000 lbf/in (psi)

PPC-HA

20,000 lbf/in2 (psi)

Effective centering force in mud (centering force minus PPC weight in water)

Clears the HIP level qualification SJ958251 with 150 degC/250G conditions, except for Section 4, asset qualification procedure. Perform the asset qualification procedure as class 5, 175 degC tool.

Logging speed

7,200 ft/h max

Combinability

Telemetry: All EFTB, FTB tools Throughwires: FTB, CAN-bus OH tractor A portion of the PPC housing is magnetic; do not connect the PPC directly to the GPIT 1 EMM is combinable below PPC PPC multi control: 4 PPC maximum in a single tool string

Operation software

MAXIS and/or MaxWell Compliance to CCDI/OSDD

3D borehole display

Well CAD 3D conversion file is prepared

Maximum eccentering force

Arm operation time

1

The PPC housing is made from two type of materials 17-4PH and DNM140. 17-4 PH material is a magnetic material and the PPC uses this material in the ECH-MXX housing. DNM140 is non magnetic material. Refer to ECH-Mxx Housings (InTouch #3936866).

Table 2-3: Performance specifications

Force adjustment (Centering force)

Performance specifications Number of arms

Four independent arms

Short axis logging force (50% of centering force) Where; Short axis logging force is in the condition of "Short axis setup." Effective centering force is in the condition of "Centering setup in water." Eccentering force is in the condition of "Eccentering setup."

Standard arm

70 kgf max on each arm

8.5-in extension arm


17-in extension arm



5

Standard arm

One Arm Maximum (RB 0, 90,180, 270 DEG): 81 kgf Two Arms Maximum (RB 45, 135, 215, 315 DEG): 139 kgf

Log down kit

One Arm Maximum (RB 0, 90,180, 270 DEG): 64 kgf Two Arms Maximum (RB 45, 135, 215, 315 DEG): 122 kgf

Standard arm

140 kgf max up for 10.5-in coverage

8.5-in extension arm

80 kgf max up for 16-in coverage

17-in extension arm

55 kgf max up for 21-in coverage

From close position to:

Open: 8 s, P1 (powered): 34 s, P2: 75 s, P3: 94 s, P4: 114 s

To close position from:

Open: 13 s, P1: 38 s, P2: 81 s, P3: 99 s, P4: 110 s

Five steps:

Open: 4.5 kgf, P1: 40 kgf, P2: 80 kgf, P3: 110 kgf, P4: 140 kgf (standard centering force)




2 Specifications

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Performance specifications Caliper measurement

Radius accuracy

Sampling interval Relative bearing sensor

3 % or ± 0.1 in, whichever the greater of radius reading with standard arm and tool centered in the caliper open position. 3 % or ± 0.2 in, whichever the greater of radius reading with 17-in extension arm and tool centered in the caliper open position. 6 in

Relative bearing sensor is mounted. 6.5 FT

p

If you connect the PPC-B30 with a 3 3/8-in standard tool which is rated below 30,000 psi, change the threaded ring from 100554574 to H339565 on the upper housing of PPC-B30. Otherwise, you risk breaking the lower housing of 3 3/8-in tool even if the pressure is less than 20,000 psi. Meanwhile, the lower interface of the PPC-B30 fit in 3 3/8-in, 31-pin standard.

Note The gross centering force for one arm (RB = 0°, 90°, 180°, 270°) is 140 kgf, and for two arms (RB = 45°, 135°, 215°, 315°) it is 198 kgf. This is calculated as below; One arm:

Fone − arm Two arms:

Ftwo − arm = 0.3 FT MH

2 FT NMH

2.2 FT MH

2 FT NMH

MH: Magnetic Housing, 17-4PH NMH: Non Magnetic Housing , DNM 140

Figure 2-1: PPC housing

Note Because the upper head of the PPC is made of 17-4PH, which is a magnetic material, 6-ft of non-magnetic housing is necessary between the GPIT and PPC if the GPIT is placed above the PPC. The PPC lower housing (2 ft) is non-magnetic; if the GPIT is placed below the PPC, then 4-ft additional non-magnetic housing is necessary between the PPC and GPIT.

Fone − arm 2

×2

See Figure 2-2.The maximum effective centering force is calculated as below; Mud density: 1.2 PPC displacement: 15 liters PPC log down kit displacement: 2.5 liters PPC weight: 77 kg (in air), 59 kg (in mud) PPC log down kit weight: 20 kg (in air), 17 kg (in mud)Standard: One arm: 81.0 = 140 – 59 [kgf] Two arms: 139.0 = 198 – 59 [kgf] Log down kit: One arm: 64.0 = 140 – (59 + 17) [kgf] Two arms: 122.0 = 198 – (59 + 17) [kgf]

One Arm

Two Arms

Note Figure 2-2: Gross centering force


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2 Specifications

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Table 2-4: Variable specification by caliper arm type Hole size (in) Tool set up

PPC-B

Min

Max (Centered)

Max (Eccentered)

Tool dia. (in)

Weight (lbs)

Measurement point (in)

Std set up

5

18

10.5

4.3

169.8

64.46

8.5-in ext. arm set up

6

30

16

5.25

175.6

64.46

17-in ext. arm set up

6

40

21

5.25

179.3

64.46

with log-down kit

6.75

18

10.5

6

212.7

64.46

PPC-B

5

18

10.5 4.3

331.8

141.6/40.4

EMM-B

6

30

16

Std set up

5

18

10.5

4.57

191.5

65.45


6

30

16

5.25

197.3

65.45


6

40

21

5.25

201

65.45

with log-down kit

6.75

18

10.5

6

234.4

65.45

Std set up

5

18

10.5

4.58

234.8

84.22


6

30

16

5.25

240.6

84.22


6

40

21

5.25

244.3

84.22

with log-down kit

6.75

18

10.5

6

277.7

84.22

EMM combination

PPC-B30

PPC-HA

Table 2-6: Tool strength

Note The difference in measurement point between the PPC-B, PPC-B30 and PPC-HA is due to different tool lengths.

Tensile strength (lbf)

Compressional strength (lbf)

PPC-B

50,000

> 10,000

AH-255

50,000

23,000

2.1.2 Telemetry and power requirements Table 2-5: Required electronics power supply LES Tool Tool group module PPC

DTM OH Telem

Power supply

Voltage

Current (mA)

AC-MAIN

250 VAC

10

AC-AUX

120 VAC Room temp. 200 VAC - High temp.

1,100

Note When AH-256 and AH-257 are combined with PPC, the standard PPC strength limits apply.

2.1.3 Tool strength The following table displays tool strength.


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2 Specifications

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2.1.4 Service combinability

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2.2 Measurement specifications

Note The PPC does not have DTB through-wires; do not connect DTB tools below the PPC.

This section contains detailed specifications of measurements supplied by the service. Refer to Table 2-1, Table 2-2 and Table 2-3 for the caliper measurement. 3 Equipment and parts

Since the PPC is an EDTS telemetry tool and not a bottom-only tool, the PPC can be put any place within the FTB and EFTB toolstring. For short-axis logging, put the PPC above the density tool so that the pair of powered arms can lead along the long-axis of the oval hole zone. That way, the PPC is positioned at the center of the hole but since the density tool is usually eccentered during logging, it is highly recommended that you put two knuckle ts (e.g., AH-107) with the PPC for the density tool combination. Typical tool combinations are: •

Sonic centering: LEH-QT - DTC-H - PPC - DSI - PPC

•

Short-axis logging with standard arm: LEH-QT - DTC-H - AH107 - PPC - AH107 (HGNS-HRCC-HRMS-AIT)

Potential Severity: Potential Loss: Hazard Category:

Light Assets Machinery equipment hand tools

Do not use the above combination with the log down kit. With this string the PPC can tilt slightly so the long pad of the log down kit may damage the formation by mechanical movement of the log down kit. •

•

Short-axis logging with log down kit: LEH-QT DTC-H - PPC-(ie.Sonic tool) - AH107 - AH107 (HGNS-HRCC-HRMS-AIT)

3.1 Downhole equipment This section contains details of all major downhole hardware components required to complete the service. The following is a list of downhole equipment required for the PPC operation. •

DTC

•

PPC-B (100109075)

•

PPC-B30 (100276971) environment

•

2 sets of AH-107 for short-axis logging

•

EMM-B (J955800) for six-arm caliper measurement

WL Equipment Guidelines PPC

high

pressure

3.2 Surface equipment This section contains details of all major surface hardware components required to complete the service (modules, cables, SFTs, etc.). The following lists the PPC surface equipment: •

SFT-520, PPC caliper calibration jig (100044645)

•

SFT-522, PPC extension caliper calibration jig (100059830,) for extension arm calibration.

•

SFT-523, PPC compensator compression jig (100157126)

•

PPC-B shop maintenance kit (100131473)

•

HCB-J, Hydraulic sonde control box for PPC-B (100354512)

PPC-EMS integration: LEH-QT - DTC-H - PPC EMM

\1.1\EDMS UID: 1648928794\Produced: 27-Jun-2011 07:16:46. Copyright © 2011 Schlumberger, Unpublished Work. All rights reserved.

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3 Equipment and parts

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3.3 Wellsite auxiliary hardware This section contains details of all auxiliary hardware components required to complete the service at the wellsite (adapters, centralizers, cables, etc.). 1. PPLK-A, log down kit assy, PPC (100052370) For logging down with the PPC.

Figure 3-3: AH-255, 45/315° rotatable

4. 17-in extension arm (100059824) Allows an extension arm with up to 40-in caliper measurement, or one arm operation up to 21 in as an eccentralizer.

Figure 3-1: PPCL-A, log down kit assy, PPC

2. EMM interface adapter (100330936) Allows a direct connection between the PPC and the EMM.

Figure 3-4: 17-in extension arm

5. Protector extension arm (100059826) Protects the end of the closed extension arms while running inhole.

Figure 3-5: Protector extension arm Figure 3-2: EMM interface adapter

Refer to section 3.3.1: procedure.

PPC-EMM integration

3. AH-255, 45/315° rotatable (100056945) For use with two PPC connections with a 45° rotation axially to allow an 8-arm caliper measurement. This adapter is adjustable either plus or minus 45°. To align the key positions of the tools above and below the PPCs in-line, use two AH-255. The ratings of the AH-255 are 20 Kpsi and 275 degC.


6. AH-256, PPC upper 0.7-in offset (100067392) When using the PPC as an eccentralizer. The PPC radius to the face with eccentralizer setup is 2.3 ft (max OD is 5.25 in). Therefore, it makes an offset of 0.6 in between faces of a 3 3/8-in tool and the PPC. There is a 0.7-in eccentered adapter to prevent the effect of the offset for the eccentering tool facing to borehole. This adapter is also adjustable to rotate the PPC 45° axially, if desired. The rotate function of the PPC can be used like an existing short-axis device to position the eccentering tool in-line with the short axis. This adapter is used for the PPC upper head.

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Figure 3-9: 8.5-in extension arm Figure 3-6: AH-256, PPC upper 0.7-in offset

7. AH-257, PPC lower 0.7-in offset (100067411) The same purpose as AH-256 but this adapter is for the PPC lower head.

10. Hard coated arm tip (100127932) For locations frequently using the powered mode of PPC. This special TIP lasts at least two times longer than the standard tip.

Figure 3-10: Hard coated arm tip

3.3.1 PPC-EMM integration procedure Figure 3-7: AH-257, PPC lower 0.7-in offset

8. Protector eccentralizer arm (100067413) Protects the end of the closed extension arms while running inhole. This is designed to use the PPC as an eccentralizer, thus the thickness of the borehole wall side is minimum against the Protector Extension Arm (100059826).

The following lists the required parts and tools. •

EMM Interface adapter (100330936)

•

Screw (attached to EMM interface)

•

Screw driver, middle size

Procedure: 1. Clean up the EMM interface connector. electrical cleaner, if necessary.

Use

2. Clean up the lower head of the PPC and the upper head of EMM. 3. Put the EMM interface connector to the upper head of EMM (see Figure 3-12). Fix this adapter to the upper head with a screw (B015029).

Figure 3-8: Protector eccentralizer arm

9. 8.5-in extension arm (100127930) Allows for an extension arm up to 30-in caliper measurement.


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3.4.1 Extension arm service Note To fix the screw onto the EMM upper head, you must do the rework of tapping a screwhole on the upper head block locally. The size and dimension of the screw hole is shown in Figure 3-11.

PPC coverage of the borehole diameter can be increased by adding the extension arm. Figure 3-13 shows the setup.

Figure 3-13: Set up for PPC extension arm service Figure 3-11: Screw hole for 31 pin upper head

4. Connect the EMM below the PPC. The PPC-EMM is ready to power up.

3.4.2 Eccentralier service PPC can be use as an active eccentralizer. Figure 3-14 shows the setup.

Figure 3-12: EMM upper head, EMM interface attached

3.4 Workshop auxiliary hardware This section contains details of all auxiliary hardware components required at the base in order to provide specific services.


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PPC





Figure 3-14: Set up for PPC eccentralizer service

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PPC


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