7/30/2019 21 - Offshore Construction - Part 2 (1)

1/43

Shawn Kenny, Ph.D., P.Eng.

Assistant Professor

Faculty of Engineering and Applied ScienceMemorial University o f Newfoundland

spkenny@engr.mun.ca

ENGI 8673 Subsea Pipeline

Engineering

Lecture 21: Offshore Construction Part 2

7/30/2019 21 - Offshore Construction - Part 2 (1)

2/43

2 ENGI 8673 Subsea Pipeline Engineering Lecture 21 2008 S. Kenny, Ph.D., P.Eng.

Lecture 21 Objective

to examine tie-in methods used in offshorelinepipe construction

7/30/2019 21 - Offshore Construction - Part 2 (1)

3/43

3 ENGI 8673 Subsea Pipeline Engineering Lecture 21 2008 S. Kenny, Ph.D., P.Eng.

Tie-In Overview

Pipeline Transportation System Connection Offshore production facility

Shore approach Existing or future subsea pipeline or wellhead

Location Surface or subsea

Design Issues Mechanical loads

Flanged connection

Welded connection (wet or dry)

7/30/2019 21 - Offshore Construction - Part 2 (1)

4/43

4 ENGI 8673 Subsea Pipeline Engineering Lecture 21 2008 S. Kenny, Ph.D., P.Eng.

Tie-In Overview (cont.)

7/30/2019 21 - Offshore Construction - Part 2 (1)

5/43

5 ENGI 8673 Subsea Pipeline Engineering Lecture 21 2008 S. Kenny, Ph.D., P.Eng.

Tie-In Overview (cont.)

7/30/2019 21 - Offshore Construction - Part 2 (1)

6/43

6 ENGI 8673 Subsea Pipeline Engineering Lecture 21 2008 S. Kenny, Ph.D., P.Eng.

Tie-In Overview (cont.)

7/30/2019 21 - Offshore Construction - Part 2 (1)

7/43

7 ENGI 8673 Subsea Pipeline Engineering Lecture 21 2008 S. Kenny, Ph.D., P.Eng.

Surface Tie-In

Gulf of Aqaba PipelineCrossing (2003)

Midline surface tie-in 15km; 36OD; 35mm

WT; X65

Ref: 4Engr (2008)

7/30/2019 21 - Offshore Construction - Part 2 (1)

8/43

8 ENGI 8673 Subsea Pipeline Engineering Lecture 21 2008 S. Kenny, Ph.D., P.Eng.

Surface Tie-In (cont.)

Ref: Saipem (2008)

7/30/2019 21 - Offshore Construction - Part 2 (1)

9/43

9 ENGI 8673 Subsea Pipeline Engineering Lecture 21 2008 S. Kenny, Ph.D., P.Eng.

Subsea Tie-In Sleds

Systems In-line Sled Pipeline End Termination (PLETs) Pipeline End Manifold (PLEMs)

Connections Single or multiple hub

Auxiliary Equipment

Actuated and manual valves Chemical injection, gas lift Pig launching capabilities

7/30/2019 21 - Offshore Construction - Part 2 (1)

10/43

10 ENGI 8673 Subsea Pipeline Engineering Lecture 21 2008 S. Kenny, Ph.D., P.Eng.

Mardi Gras Wye Sled Ref: Offshore Technology (2008)

http://www.offshore-technology.com/projects/mardi_gras/index.html#mardi_gras1

7/30/2019 21 - Offshore Construction - Part 2 (1)

11/43

11 ENGI 8673 Subsea Pipeline Engineering Lecture 21 2008 S. Kenny, Ph.D., P.Eng.

Mardi Gras PLET and JumperRef: Offshore Technology (2008)

http://www.offshore-technology.com/projects/mardi_gras/index.html#mardi_gras5http://www.offshore-technology.com/projects/mardi_gras/index.html#mardi_gras5

7/30/2019 21 - Offshore Construction - Part 2 (1)

12/43

12 ENGI 8673 Subsea Pipeline Engineering Lecture 21 2008 S. Kenny, Ph.D., P.Eng.

Mardi Gras Jumper Ref: Offshore Technology (2008)

http://www.offshore-technology.com/projects/mardi_gras/index.html#mardi_gras3

7/30/2019 21 - Offshore Construction - Part 2 (1)

13/43

13 ENGI 8673 Subsea Pipeline Engineering Lecture 21 2008 S. Kenny, Ph.D., P.Eng.

Thunder Horse Sled Ref: FMC (2008)

7/30/2019 21 - Offshore Construction - Part 2 (1)

14/43

14 ENGI 8673 Subsea Pipeline Engineering Lecture 21 2008 S. Kenny, Ph.D., P.Eng.

Mid-Line Tie-In Sled Ref: Oil States (2008)

7/30/2019 21 - Offshore Construction - Part 2 (1)

15/43

15 ENGI 8673 Subsea Pipeline Engineering Lecture 21 2008 S. Kenny, Ph.D., P.Eng.

Mid-Line Tie-In Sled (cont.) Ref: Oil States (2008)

7/30/2019 21 - Offshore Construction - Part 2 (1)

16/43

16 ENGI 8673 Subsea Pipeline Engineering Lecture 21 2008 S. Kenny, Ph.D., P.Eng.

Mid-Line Tie-In Sled (cont.) Ref: Oil States (2008)

7/30/2019 21 - Offshore Construction - Part 2 (1)

17/43

17 ENGI 8673 Subsea Pipeline Engineering Lecture 21 2008 S. Kenny, Ph.D., P.Eng.

Mid-Line Tie-In Sled (cont.) Ref: Oil States (2008)

7/30/2019 21 - Offshore Construction - Part 2 (1)

18/43

18 ENGI 8673 Subsea Pipeline Engineering Lecture 21 2008 S. Kenny, Ph.D., P.Eng.

Collet Connector Ref: Oil States (2008)

7/30/2019 21 - Offshore Construction - Part 2 (1)

19/43

19 ENGI 8673 Subsea Pipeline Engineering Lecture 21 2008 S. Kenny, Ph.D., P.Eng.

Collet Connector (cont.)

Ref: Oil States (2008)

7/30/2019 21 - Offshore Construction - Part 2 (1)

20/43

20 ENGI 8673 Subsea Pipeline Engineering Lecture 21 2008 S. Kenny, Ph.D., P.Eng.

Horizontal Stab-In Retrievable

Ref: Oil States (2008)

7/30/2019 21 - Offshore Construction - Part 2 (1)

21/43

21 ENGI 8673 Subsea Pipeline Engineering Lecture 21 2008 S. Kenny, Ph.D., P.Eng.

Horizontal Stab-In Retrievable (cont.)

Ref: Oil States (2008)

7/30/2019 21 - Offshore Construction - Part 2 (1)

22/43

22 ENGI 8673 Subsea Pipeline Engineering Lecture 21 2008 S. Kenny, Ph.D., P.Eng.

Horizontal Stab-In Retrievable (cont.)

Ref: Oil States (2008)

7/30/2019 21 - Offshore Construction - Part 2 (1)

23/43

23 ENGI 8673 Subsea Pipeline Engineering Lecture 21 2008 S. Kenny, Ph.D., P.Eng.

Vertical Stab-In Retrievable (cont.)Ref: Oil States (2008)

7/30/2019 21 - Offshore Construction - Part 2 (1)

24/43

24 ENGI 8673 Subsea Pipeline Engineering Lecture 21 2008 S. Kenny, Ph.D., P.Eng.

Vertical Stab-In Retrievable (cont.)Ref: Oil States (2008)

7/30/2019 21 - Offshore Construction - Part 2 (1)

25/43

25 ENGI 8673 Subsea Pipeline Engineering Lecture 21 2008 S. Kenny, Ph.D., P.Eng.

Vertical Stab-In Retrievable (cont.)Ref: Oil States (2008)

7/30/2019 21 - Offshore Construction - Part 2 (1)

26/43

26 ENGI 8673 Subsea Pipeline Engineering Lecture 21 2008 S. Kenny, Ph.D., P.Eng.

Vertical Stab & HingeoverRef: Oil States (2008)

7/30/2019 21 - Offshore Construction - Part 2 (1)

27/43

27 ENGI 8673 Subsea Pipeline Engineering Lecture 21 2008 S. Kenny, Ph.D., P.Eng.

Vertical Stab & Hingeover (cont.)Ref: Oil States (2008)

7/30/2019 21 - Offshore Construction - Part 2 (1)

28/43

7/30/2019 21 - Offshore Construction - Part 2 (1)

29/43

29 ENGI 8673 Subsea Pipeline Engineering Lecture 21 2008 S. Kenny, Ph.D., P.Eng.

Diver Assisted Hot-Tap Tie-In Ref: Oil States (2008)

7/30/2019 21 - Offshore Construction - Part 2 (1)

30/43

30 ENGI 8673 Subsea Pipeline Engineering Lecture 21 2008 S. Kenny, Ph.D., P.Eng.

Diver Assisted Hot-Tap Tie-In (cont.)Ref: Oil States (2008)

7/30/2019 21 - Offshore Construction - Part 2 (1)

31/43

31 ENGI 8673 Subsea Pipeline Engineering Lecture 21 2008 S. Kenny, Ph.D., P.Eng.

Diver Assisted Hot-Tap Tie-In (cont.)Ref: Oil States (2008)

7/30/2019 21 - Offshore Construction - Part 2 (1)

32/43

32 ENGI 8673 Subsea Pipeline Engineering Lecture 21 2008 S. Kenny, Ph.D., P.Eng.

Diver Assisted Hot-Tap Tie-In (cont.)Ref: Oil States (2008)

7/30/2019 21 - Offshore Construction - Part 2 (1)

33/43

33 ENGI 8673 Subsea Pipeline Engineering Lecture 21 2008 S. Kenny, Ph.D., P.Eng.

Diverless Hot-Tap Tie-InRef: Oil States (2008)

7/30/2019 21 - Offshore Construction - Part 2 (1)

34/43

34 ENGI 8673 Subsea Pipeline Engineering Lecture 21 2008 S. Kenny, Ph.D., P.Eng.

Diverless Hot-Tap Tie-InRef: Oil States (2008)

7/30/2019 21 - Offshore Construction - Part 2 (1)

35/43

35 ENGI 8673 Subsea Pipeline Engineering Lecture 21 2008 S. Kenny, Ph.D., P.Eng.

Diverless Hot-Tap Tie-In (cont.)Ref: Oil States (2008)

7/30/2019 21 - Offshore Construction - Part 2 (1)

36/43

7/30/2019 21 - Offshore Construction - Part 2 (1)

37/43

37 ENGI 8673 Subsea Pipeline Engineering Lecture 21 2008 S. Kenny, Ph.D., P.Eng.

Diverless Hot-Tap

Tie-In (cont.)

Ref: Oil States (2008)

7/30/2019 21 - Offshore Construction - Part 2 (1)

38/43

38 ENGI 8673 Subsea Pipeline Engineering Lecture 21 2008 S. Kenny, Ph.D., P.Eng.

Remote Hot-Tap Tie-InRef: Berge et al. (2005)

7/30/2019 21 - Offshore Construction - Part 2 (1)

39/43

39 ENGI 8673 Subsea Pipeline Engineering Lecture 21 2008 S. Kenny, Ph.D., P.Eng.

Misalignment Flange ConnectionRef: Oil States (2008)

7/30/2019 21 - Offshore Construction - Part 2 (1)

40/43

40 ENGI 8673 Subsea Pipeline Engineering Lecture 21 2008 S. Kenny, Ph.D., P.Eng.

Swivel Ring Flange ConnectionRef: Oil States (2008)

7/30/2019 21 - Offshore Construction - Part 2 (1)

41/43

41 ENGI 8673 Subsea Pipeline Engineering Lecture 21 2008 S. Kenny, Ph.D., P.Eng.

Hyperbaric Welding

Dry Habitat Pressure = hydrostatic (500m) Issues with welding

Ref: Hydro (2001)

7/30/2019 21 - Offshore Construction - Part 2 (1)

42/43

42 ENGI 8673 Subsea Pipeline Engineering Lecture 21 2008 S. Kenny, Ph.D., P.Eng.

Atmospheric Welding

Sophisticated Equipment

Superior Weld Quality 1500m Water Depth

Critical Element Pipeline Seal

7/30/2019 21 - Offshore Construction - Part 2 (1)

43/43

43 ENGI 8673 Subsea Pipeline Engineering Lecture 21 2008 S. Kenny, Ph.D., P.Eng.

References

http://www.4engr.com/product/catalog/12996/index.html

www.fmctechnologies.com http://www.hydro.com http://www.offshore-technology.com

http://www.oilstates.com http://www.saipem.eni.it Berge, J .O., Apeland, K.E., Naess, T.I., Ahlen,

C.H., Moller, E. and Evans, K. (2005). RemoteHot-Tapping Into Subsea Pipelines.Proc., OTC,OTC-17659, 6p.