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Subsea Guiding Systems SUBSEA LIFTING & HANDLING


A L L I N F O R M AT I O N I S CO R R E C T AT T I M E O F G O I N G T O P R E S S : 11/ 2 0 12


Imenco

Contents

Imenco is a major EPCcontractor to the maritime industry. We design, develop, and manufacture a wide range of systems and products such as Diving Systems, Helicopter Refuelling Systems, Ex Cameras, Lifting and Handling products, Subsea Cameras and Subsea Tools including Subsea Lights and Lasers. Our customers benefit from over thirty years’ experience in the industry, adding value and providing smart solutions.

INTRODUC TION

Introduction 03

GUIDE WIRE ANCHORS 04

THE GUIDING SYSTEM GUIDE WIRE ANCHORS

05

STANDARD GUIDEWIRE ANCHOR

06

SLIMLINE GUIDEWIRE ANCHOR

08

LIF TING ANCHOR

10 12

OPTIONAL FEATURES

14

GUIDE POSTS

15

TOP RELEA SABLE GUIDEPOST BOT TOM RELEA SABLE GUIDEPOST

15

GUIDE POST TOPS AND ADAPTERS

16

GUIDE POST EX TENSIONS MODEL M4 -L 17 18

GUIDE WIRE WINCH SYSTEM

The Imenco Guidewire Anchor was the first Imenco product developed, and is the flagship of our business line. As a subsea engineering company, Imenco has long experience and competence in meeting any guiding requirement, and offer both standard and bespoke solutions to our customers. With our team of experienced engineers, an array of special products and an extensive stock of standard products and spares, Imenco is the No.1 supplier of guiding systems worldwide.

For further information regarding the content of this brochure, contact: Gunnar Nernes gn@imenco.com +47 971 46 872

AVIATION

Imenco supply complete subsea guiding systems. Our Anchors, Guideposts and Guidepost extensions are used in the oil and gas industry worldwide. The Imenco guiding systems are reliable and easy to use.

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The Guiding System 1. GUIDE WIRE ANCHOR 2. RECEPTACLE ( WELDED TO SUBSEA STRUCTURE) 3. GUIDE POST 4. GUIDE POST EXTENSION 5. GUIDE WIRE WINCH SYSTEM 2

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Imenco Guide Wire Anchors IMENCO HAS SUPPLIED THE SUBSEA INDUSTRY WITH GUIDE WIRE A NCHOR S SINCE 198 8.

The system was developed in 1988 and continuous R&D has driven expansion into new areas of use.

Imenco anchors can be found all over the world - where ever oil and gas is recovered offshore. The systems are used both in shallow and deep water operations. The anchors are ROV/ Diver operated for efficient connection of guidewires to sub-sea structures

Imenco anchors are delivered globally to a variety of customers such as oil companies, drilling companies, subsea operators, subsea equipment manufacturers and many others. To date we have delivered over 1,000 units with negligible failure reported.

The anchors are made from high strength stainless steel and have a long operational lifetime. No extra tools required other than an ROV or a diver. Anchor enters and locks to the post top/ receptacle by its own weight and can be released and re-engaged without having to be recovered to surface. Standard release of an anchor from the guide post / receptacle is simply for the ROV/Diver to lift the release sleeve.

We have the facilities, competence and experience to provide service, maintenance and repair of all types and models of our products and have all necessary spare parts in stock. For ordering of spare parts and consumables please contact us using the contact information in this brochure. The Imenco guidewire anchors are designed according to DNV standard for certification no.2-22 Lifting Appliances.

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Standard Guidewire Anchor STANDARD GUIDEWIRE ANCHOR WA S OUR FIRST AND IS OUR MOST USED GUIDEWIRE ANCHOR.

The Anchor is recognized by its slender body and wider head having a shoulder resting on the guidepost/receptacle top. This gives easy access to the release sleeve for releasing the anchor. The release sleeve is painted orange for easy recognition of the release point. All standard anchors can be delivered with either wire socket or a padeye for connecting to the guidewire. All anchor models can be modified to suit individual needs.

Feature

GWA - 7.5’ GWA - 22’

Max shear pin capacity

GWAE - 22’

GWA - 75’ GWA - 100’ GWA - 150’

7.5’lbs

22’lbs

22’lbs

75’lbs

100’lbs

150’lbs

5’lbs

15’lbs

15’lbs

50’lbs

75’lbs

125’lbs

2”

2.9”

2.9”

3.9”

4.7”

5,4”

Locking length

5.9”

13.9”

25.1”

12.6”

12.7”

13.0”

Guide length

9.4”

19.5”

30.7”

19.6”

19.6”

20.0”

15.4lbs (7kg)

55.1lbs (25kg)

79lbs (36kg)

88.2lbs (40kg)

143.2lbs (65kg)

192lbs (87kg)

Normal operational tension Stabbing OD

Dry weight 8

7

6

5

4

3

2 Gen. Tol. NS-ISO 2768 U.S.O.

F

NA

1 Gen. Welding Tol. NS-EN ISO 13920 U.S.O.

NA

Gen. machined surface roughness U.S.O.

All standard guidewire anchors are delivered with a shear pin. This allows the anchor to be released from the guiding system in the event of unexpected loads occurring in the system. The shear pin breaking load can be made to comply with client’s specification up to the specified models max shear pin capacity.

F

E

E

Guide length

Stabbing OD

D

Locking length D

C

6

C

AVIATION B

NA

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Checked by

Approved by

B


Features • Simple and reliable design • Anchor is stabbed by its own weight • Double self locking dogs - designed for equal load distribution • Anchor can be released by ROV or diver • Anchor can be re-used without retrieval to surface • Inbuilt safety feature to prevent accidental release of anchor

Standard Anchor Options For operations where accidental release may be critical, an optional safety sleeve or safety clip can be installed. Most of the standard guidewire anchors can be delivered with both safety sleeve and safety clip. The anchors can also be delivered with lifting adaptor and test load certificates. For additional information see Page 12 : Optional Features.

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• Lifting adapter • Top padeye • Safety sleeve • Safety clip

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Slimline Guidewire Anchor THE SLIMLINE GUIDEWIRE ANCHORS HAVE SIMIL AR FUNC TIONS TO THE STANDARD GUIDEWIRE ANCHOR.

The slimline anchor has the same advantages as the standard anchors, such as shear pin release, orange release/safety sleeve, optional padeye connection to guidewire and more. The main difference between them is the design of the termination head. The slimline design makes it possible for the termination head to have the same dimensions as the anchor body. The shoulder of the anchor is designed to release via a push load by an ROV/Diver. This allows all of the anchor to enter and exit the guidepost/receptacle ID where operational circumstances demand. All anchors can be modified to suit individual needs. Feature

GWA - 22’S

GWAE - 22’S

GWA - 36’S

Max shear pin capacity

22’lbs

22’lbs

36’lbs

Normal operational tension

15’lbs

15’lbs

24’lbs

Stabbing OD

2.9”

2.9”

3,8”

Locking length

14.0”

25.1”

15”

Guide length

19.3”

30.7”

21.2”

8

7

6

Dry weight F

39.7lbs (18kg)

5

59.3lbs (26.9kg)

4

75lbs (34kg)

3

2 Gen. Tol. NS-ISO 2768 U.S.O.

NA

1 Gen. Welding Tol. NS-EN ISO 13920 U.S.O.

NA

Gen. machined surface roughness U.S.O.

F

E

E

Guide length

Stabbing OD

D

Locking length D

C

8

B

NA

C

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Features • Simple and reliable design • Anchor is stabbed by its own weight • Double self locking dogs - designed for equal load distribution • Anchor can be released by ROV or diver • Anchor can be re-used without retrieval to surface • Inbuilt safety feature to prevent accidental release of anchor • Can be fully entered into/ pass through the guidepost/ receptacle I/D

Slimline Anchor Options • Lifting adapter • Top padeye • Safety sleeve • Safety clip

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Lifting Anchor ALL LIF TING ANCHORS ARE DELIVERED WITH A LOAD TEST CERTIFIC ATE WITH A SAFET Y FAC TOR OF 5.

The lifting anchor has a different design than the guidewire anchors and is equipped with a solid steel pin instead of a (predetermined shear value) shear pin. The lifting anchor can be delivered with a pre-installed safety clip if required for the operation. The lifting anchor does not have a shear pin design and should therefore not be used in a guiding system in the same way as the standard and slimline guidewire anchors. All anchors can be modified to suit individual needs. Feature

LA - 13’

LAE - 13’

13’lbs

13’lbs

5

5

Stabbing OD

2.9”

2.9”

Locking length

13.9”

25.3”

Guide length

19.5”

30.9”

57.3lbs (26kg)

77lbs (35kg)

WLL Factor of safety

8

Dry weight

7

6

5

4

3

2 Gen. Tol. NS-ISO 2768 U.S.O.

NA

1 Gen. Welding Tol. NS-EN ISO 13920 U.S.O.

NA

Gen. machined surface roughness U.S.O.

NA

F

Guide length

Stabbing OD

E

F

E

Locking length

D

D

C

C

Drawn by

B

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SMART SOLUTIONS Sheet Size

Drawing Scale

Projection

This drawing must not be copied or the contents thereof

B


Features • Simple and reliable design • Anchor is stabbed by its own weight • Triple self locking dogs - designed for equal load distribution • Anchor can be released by ROV or diver • Anchor can be re-used without retrieval to surface • Release ring gives visual verification of Locked/ Unlocked status.

Imenco is known for • Premium quality products • Excellent service • Fast response times • Cost efficient solutions • High safety standards

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Lifting adapter assembly

Imenco Anchor Series - Optional features THE SERIES OF IMENCO ANCHORS C AN BE DELIVERED WITH SE VER AL OPTIONAL FE ATURES.

Several of our models can be delivered with some of these optional features. Please contact us for additional information.

Safety Sleeve

Model

Safety Clip

GWA - 7.5’

Pad-Eye

Lifting Adapter

GWA - 22’

GWA - 75’

GWA - 100’

GWA - 150’

GWA - 22’S

GWA - 36’S

LA - 13’

Padeye A dedicated lifting pad-eye can be bolted to the top of the anchor body instead of the wire socket. Lifting Adapter A lifting adapter can be fitted onto the wire socket to allow a shackle to be attached directly to the wire socket.

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Safety Sleeve and Clip - Optional features FOR OPER ATIONS WHERE ACCIDENTAL RELE A SE MAY BE CRITIC AL, SAFE T Y SLEEVE OR SAFET Y CLIP CAN BE SUPPLIED TO AVOID UNEXPECTED RELEASE.

Safety Clip: Two types are available 1. Standard Safety clip (pre-installed) 2. ROV installable This ensures that the sleeve is locked in position. To release the anchor, an ROV will have to remove the clip. Standard anchors from GWA-22 to GWA-150 can be delivered with both safety sleeve and safety clip on request. Safety Sleeve: Works as an integrated safety mechanism to prevent accidental release of the anchor. The safety sleeve will have to be “unlocked” before anchor can be released.

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Imenco Guide Post IMENCO HAS A LONG HISTORY OF DESIGNING AND DELIVERING GUIDE POSTS TO THE SUBSEA INDUSTRY

The guide posts are made from carbon steel then sandblasted and painted to meet offshore standards. Imenco delivers two types of guide post – top releasable and bottom releasable. Length and outer diameter according to clients requirements. Standard = 8” OD Pipe (Ø219mm), wall thickness according to required strength. The Imenco guide posts are easy to operate, no tools are required other than an ROV.

Top releasable guidepost

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Imenco Top Releasable Guidepost Top Releasable Guideposts are used where there is no access to the bottom receptacle for lock/release. Top releasable guide posts have standard 8” OD for entering the receptacle. Type

Overall length (mm)

Guide length (mm)

GPT 4910

4910

4180

GPT 4410

4410

3680

GPT 3860

3860

3130

GPT 3200

3200

2470

Imenco also supplies a mini version with OD 5’’ and a larger version with OD 14’’.

Imenco Bottom Releasable Guidepost Bottom Releasable Guideposts have a simpler design than the top releasable guidepost and can be used where access at bottom is possible. Standard 8” OD. Type

Overall length (mm)

Guide length (mm)

GPB 4835

4835

4345

GPB 4580

4580

4090

GPB 3400

3400

2910

GPB 2220

2220

1730

Bottom releasable guidepost

Imenco also supplies a mini version with OD 5’’ and a larger version with OD 14’’.

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Post Tops and Adapters IMENCO HAS A LONG HISTORY OF DESIGNING AND DELIVERING POST TOPS AND ADAPTERS TO THE SUBSEA INDUSTRY

Imenco provides guidepost tops/receptacles to suit all their anchor models available for welding to 3rd party guide posts or other structures. We also have adapters for use on 3rd party guide posts to suit Imenco anchor dimensions. Please contact us for further information regarding GP tops/adapters.

Post top for 150’Lbs Anchor (GWA-150’)

Post top with extension profile

Post top with Standard profile

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Imenco Guide Post Extension - Model M4-L THE IMENCO GUIDE POST EXTENSIONS MODEL M4-L ARE MADE FROM HIGH STRENGTH STAINLESS STEEL AND OUTER PIPE IN C ARBON STEEL.

The Extension is easy to operate and no tools other than a ROV are required. Release of the extension is the same as for Imenco Guidewire Anchors, just lift the release sleeve. Available lengths according to customer requirements, standard lengths are listed below. Type

Extended length (mm)

Overall length (mm)

Weight (kg)

6000

6496

484

GPE M4-L 6000 8

GPE M4-L 4500 7

4500

6

5

4

4996

3

383

2

Gen. Tol. NS-ISO 2768 U.S.O.

GPE M4-L 3500

3500

3996

GPE M4-L 2500

2500

2996

249

GPE M4-L 1500

1500

1996

182

1 Gen. Welding Tol. NS-EN ISO 13920 U.S.O.

NA

316

NA

Gen. machined surface roughness U.S.O.

NA

F

E

Overall length Extended length D

Imenco Guide Post Extensions make it possible to temporarily increase the length of the guide post, thus providing necessary guiding length for BOP, XMT and other running tools. A standard Imenco GPE fits a guidepost with a top profile according Imenco specifications. In order to meet requirements for extending guideposts which have not been prepared for extensions, Imenco can deliver custom made guide post extension with any profile on the bottom section to connect to the guide post. The Guide Post Extension is equipped with a shear pin, which normally is set to 18’lbs, and can consequently be released by over-pull of SMART SOLUTIONS A3 the shear capacity in an emergency situation. Drawn by

Sheet Size Title

C

Checked by

Drawing Scale

Projection

Approved by

B

Client

This drawing must not be copied or the contents thereof imparted to a third party without Imenco`s written permission.

Guidepost Extension for use in Konvoi brochure

Imenco Drawing No. Project No.

Guide Post Extension Client Drawing No.

Total Weight (Kg)

1 of 1 8

7

5

6

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Imenco Guide Wire Winch System IMENCO DESIGN AND CONSTRUCT MODULAR BASED GUIDE SKIDS A SSEMBLIES FOR STANDARD AND SPECIALIZED APPLIC ATIONS.

The Imenco Guide Wire Winch System is a flexible module based system for tensioning of guide wires. Together with the Imenco range of guide wire anchors and posts, this forms a complete system for precise and efficient equipment guidance to the sea bed. The system can be adapted to meet special client requirements, a range of water depths, national and international standards as well as all types of operational conditions.

Features • Pull force range: 5 - 50 mT • Wire Rope: 1 - 1½ inch • Holding function: Brake or Constant Tension • Areas: EX Zone 2 / Non-hazardous area • Power: 440V / 690V - 50Hz / 60Hz • Working life: Up to 20 years

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5 9 5 W W W. K O N V O I H A U G E S U N D . N O D AT E O F P R I N T: 11/ 2 0 12

BROCHURES FROM IMENCO AVIATION FUELLING SYSTEMS BLOCKS & SHEAVES RETROFIT ANODE SYSTEMS ROV L ATCHES ROV LIFTING HOOKS & LOAD TRANSFER HOOKS ROV SHACKLES SEA LED LIGHTS SUBSEA CAMERAS, LIGHTS & LASERS SUBSEA GUIDING SYSTEMS

HQ Haugesund, Norway +47 52 86 41 00 imenco@imenco.com Aberdeen, Scotland +44 (0)1224 701749 uk@imenco.com Houston, North America +1 (713) 480 7777 us@imenco.com

IMENCO.COM


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