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Master Mag Templet - Frank's International, Inc.

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The production risers were fabricated at Frank’s<br />

new state of-the-art riser fabrication facility in<br />

New Iberia, Louisiana. Kumar Mallenahalli,<br />

Business Unit Manager, Deepwater Fabrication<br />

at Frank’s, explains, “Our 80 acres of property<br />

borders on the commercial canal that enters from<br />

the Gulf of Mexico. This location is ideal for providing<br />

savings to our customers because we have<br />

the ability to unload pipe from a barge or workboat,<br />

perform the necessary fabrication, and then<br />

reload the final product without any trucking costs!”<br />

The pipe and connector material for the production<br />

risers were made out of AISI 4130 material,<br />

making welding more of a challenge. Frank’s was<br />

the only company with previous welding experience<br />

with this type of material for production riser<br />

applications. This was one of the reasons for<br />

awarding the riser fabrication contract to Frank’s.<br />

Frank’s scope of work on this project included<br />

qualifying a welding procedure to meet stringent<br />

CTOD requirements in the weld metal and HAZ,<br />

fatigue testing to meet DnV Class C and Class F2<br />

requirements for Level I and Level II joints, fabrication<br />

of connectors to pipe as well as pipe to<br />

pipe, video-probe inspection of root bead, automated<br />

OD/ID grinding for Level I welds, postweld<br />

heat treating (PWHT), and nondestructive testing<br />

such as radiographic and<br />

MPI inspection in addition<br />

to AUT inspection<br />

for Level I riser joints.<br />

“Our riser fit-up and<br />

welding are performed<br />

using automated internal<br />

alignment line-up clamps<br />

and computerized welding<br />

machines. In addition,<br />

precise and realtime<br />

control of pipe<br />

rotational speed is maintained<br />

during welding,”<br />

says Mallenahalli. This<br />

automated riser-fabrication<br />

system significantly<br />

reduces operator error<br />

and assures consistency<br />

from one weld to the<br />

next, resulting in high<br />

productivity. Because of<br />

this, we’re able to meet<br />

a very tight production<br />

deadline while still meet-<br />

ing all the stringent quality requirements, such as<br />

those for Kizomba A.”<br />

Frank’s has fabricated top tensioned production<br />

risers since 1992, including Shell’s production risers<br />

for all five TLPs in the GOM (Auger, Mars, Ram-<br />

Powell, Ursa, and Brutus). In addition, Frank’s has<br />

fabricated production riser joints for El Paso’s Prince,<br />

Anadarko’s Marco Polo, and BP’s Holstein projects.<br />

Mallenahalli also states, “Recently, the Deepwater<br />

Fabrication Division at Frank’s was awarded their<br />

single largest fabrication contract to date, i.e.<br />

fabrication of very technically challenging Steel<br />

Catenary Welds (SCR) for the BP Atlantis project<br />

in the GOM. This will be the first time quad (160<br />

feet) joints will be fabricated at Frank’s as part of<br />

Frank’s work scope.”<br />

Looking to the Future<br />

Frank’s successful contributions for Kizomba A are<br />

being employed on Kizomba B, the second and<br />

identical TLP in the development plan for Angola’s<br />

Block 15. The only difference between the two is<br />

that B will have subsea production coming in on<br />

the first day of service in early 2006, while this<br />

capability will be added to Kizomba A later. ■<br />

▼ Dual completion with Frank’s Control Line Pusher Arm and Frank’s RS350<br />

7

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