Cofferdam and leak repairs experience

S/N

DESCRIPTION

LOCATION (Niger Delta, Nigeria)

DATE OF COMPLETION

CLIENT

01

36" GAS LR BY SCREW PLUGGING USING COFFERDAM

SOKU

January, 2010

Shell Pet. Dev. Co. Ltd.

02

24' NCTL LEAK REPAIR USING COFFERDAM

OPOBO CHANNEL

January, 2010

Shell Pet. Dev. Co. Ltd.

03

36" GAS LR BY SCREW PLUGGING USING COFFERDAM

SOKU

April, 2009

Shell Pet. Dev. Co. Ltd.

04

28" NCTL LEAK REPAIR USING COFFERDAM

CAWTHROME CHANNEL

November, 2009

Shell Pet. Dev. Co. Ltd.

05

24' NCTL LEAK REPAIR USING COFFERDAM

OPOBO CHANNEL

January, 2010

Shell Pet. Dev. Co. Ltd.


06

28" AND 24" LEAK REPAIR BY CLAMPING USING COFFERDAM

BORO /SANBARTH

October, 2009

Shell Pet. Dev. Co. Ltd.

07

24" RISER LEAK REPAIR BY SECTIONAL REPLACEMENT USING COFFERDAM

ADAMAKIRI 

July, 2009

Shell Pet. Dev. Co. Ltd.

08

28" AWOBA RISER REPLACEMENT BY COFFERDAM CONSTRUCTION

AWOBA

June, 2008

Shell Pet. Dev. Co. Ltd.

09

10" D/L CLAMPING BY COFFERDAM

SANBARTH

May, 2008

Shell Pet. Dev. Co. Ltd.

10

28" T/L LEAK REPAIR BY COFFERDAM

OPUKULA

February, 2008

Shell Pet. Dev. Co. Ltd.

11

LEAK REPAIR BY SECTIONAL REPLACEMENT USING COFFERDAM

SANBARTH

January, 2008

Shell Pet. Dev. Co. Ltd.

12

LEAK REPAIR BY COFFERDAM

ADAMAKIRI

February, 2008

Shell Pet. Dev. Co. Ltd/ Nig. Liq. Natrl. Gas Co. (NLNG)

13

LEAK REPAIR BY SECTIONAL REPLACEMENT USING COFFERDAM.

SAN BARTH

February, 2008

Shell Pet. Dev. Co. Ltd.

14

28" T/L LEAK REPAIR BY COFFERDAM

EKULAMA II

January, 2008

Shell Pet. Dev. Co. Ltd.

15

TEG VESSEL REHABILITATION

UBETA & RUMUJI

December, 2007

Shell Pet. Dev. Co. Ltd.

16

28" T/L CLAMPING BY COFFERDAM

CAWTHORNE CHANNEL III

November, 2007

Shell Pet. Dev. Co. Ltd.

17

36" GAS LINE LEAK REPAIR BY SCREW PLUGGING / METAL SLEEVING USING COFFERDAM

ALAKIRI

October, 2007

Nig. Liq. Natrl. Gas Co. (NLNG)

18

24" GAS LINE LEAK REPAIR BY SCREW PLUGGING KP6

OMOKU

August, 2007

Nig. Liq. Natrl. Gas Co. (NLNG)

19

28" TL CLAMPING WITH COFFERDAM

CAWTHORNE CHANNEL II

August, 2007

Shell Pet. Dev. Co. Ltd.

20

24" NCTL LEAK REPAIR BY SECTIONAL REPLACEMENT USING COFFERDAM

NEMBE IV

July, 2007

Shell Pet. Dev. Co. Ltd.

21

28" TL CLAMPING BY COFFERDAM CONSTRUCTION

CAWTHORNE CHANNEL I

March, 2007

Shell Pet. Dev. Co. Ltd.

22

10'' LEAK REPAIRS BY CLAMPING USING COFFERDAM

SAN BARTH

October, 2006

Shell Pet. Dev. Co. Ltd.

23

CLAMPING OF LEAK POINT @ 24'' NCTL BY COFFERDAM CONSTRUCTION

NEMBE

June, 2006

Shell Pet. Dev. Co. Ltd.

24

24'' RISEER BURIAL BY HOT TAP USING COFFERDAM

FUSOKIRI

June, 2006

Shell Pet. Dev. Co. Ltd.

25

CLAMPING ON OF 24'' LINE BY COFFERDAM CONSTRUCTION

KRAKRAMA

April, 2006

Shell Pet. Dev. Co. Ltd.

26

28'' SECTIONAL REPLACEMENT BY COFFERDAM CONSTRUCTION AND HOT TAPPING

KRAKRAMA

2006

Shell Pet. Dev. Co. Ltd.

27

CONSTRUCTION OF 6M X 6M X 16M COFFERDAM FOR 6'' RISER REPLACEMENT

AWOBA

February, 2006

Shell Pet. Dev. Co. Ltd.

28

CONSTRUCTION OF 26 M X 6M X 16M COFFERDAM FOR 6'' RISER (BVS) BURIAL

AWOBA

February, 2008

Shell Pet. Dev. Co. Ltd.

29

CONSTRUCTION OF 6M X 6M X 16M COFFERDAM FOR PIPE WALL REINFORCEMENT @ ST. NICHOLAS RIVER,

NEMBE

June, 2005

Shell Pet. Dev. Co. Ltd.

30

CONSTRUCTION OF 6M X 6M X 16M COFFERDAM FOR PIPE WALL REINFORCEMENT USING CLAM (PLIDCO) @ NEMBE MAIN MANIFOLD

NEMBE

June, 2005

Shell Pet. Dev. Co. Ltd.