O&G NEWS

n e w s f r o m t h e a x f l o w g r o u p

Joined forces skids to systems weighing more than 120 tons. Such big ’chemical management systems’ include multicompartment tanks, a number of single or multihead metering pumps for various duties, associated process components, and instrumentation for alarm and control functions. Everything is piped up and tested. For multipoint injection systems, B+L offersdistribution panels with special injection valves, also with remote control.

the perfect matchFor the oil and gas industry, AxFlow distributes not only B+L systems but also a number of other well known brands, such as Waukesha, Lightnin, and Plenty. Along with B+L and many other products these are produced by SPX Process Equipment in the US. AxFlow’s expertise and these products form the perfect match for high quality offerings to the oil and gas industry.

Bran+lueBBe InjectIon package wIth two h3 pumps

In February 2008 AxFlow AS in Oslo took over products, backlog and employees of Bran+Luebbe AS, thereby becoming the fourteenth AxFlow company distributing Bran+Luebbe products in Europe.

Bran+luebbe offshoreBran+Luebbe (B+L) is one of themajor suppliers of API 675 metering pumps. For the North Sea they have supplied the main part of all chemical injection systems, varying from small single pump

August - 08

AxFlow Offshore taskforce

AxFlow Group has established a specialist international task force specifically to support its extensive customer base in the offshore oil industry. This important new development brings together the resources of its companies in the UK, Italy, France,Norway, and Benelux.

Based on vast experience AxFlow companies operating in these countries are all well-established providers of fluid handling solutions to the offshore oil industry. As Europe’s leading distributor of pumps and provider of integrated processing solutions, AxFlow has ready access to the most appropriate technologies for offshore oil production. In Scotland, the AxFlow Aberdeen base has been working with specialist contractors and

producers for over 25 years, developing innovative packages for the most demanding of applications and environments. Working with their colleagues in other parts of Europe, the Aberdeen base has amassed considerable engineering expertise in the design and manufacturing of chemical injection systems which is widely accessed by North Sea operators.

task force objectiveThe AxFlow Offshore Task Force brings together the considerable engineering resources of its oil and gas experts. The objective is to further develop AxFlow Group’s fluid handling design engineering capability alongside the existing pump sales and hire business that has an established reputation within the offshore sector.

some of the axflow task force memBers

ole weIner, ceo axflow

Dear Reader

We are pleased to welcome you to AxFlow’s Oil & Gas magazine.

AxFlow is a pan-European company that supplies pumps and systems to various industry sectors. The oil and gas industry is very important to the AxFlow Group and we are actively dedicated to continually broadening our share within this segment.

We have extensively and systematically developed our knowledge of petrochemical applications and significantly increased our product portfolio in order to further enhance our offering to the oil and gas industry.

During recent years we have expanded our collaboration with Bran+Luebbe and are now the exclusive supplier of Bran+Luebbe products in 14 different European countries. Please do not hesitate to contact us with any questions orinquiries. We look forward tohearing from you.

Best regards/ Ole Weiner CEO AxFlow

O&G NEWS 2

O&G NEWS

factory acceptance tests at axflow

carver pumpsAxFlow expands its offering to the oil and gas industry by introducing Carver to the Norwegian and UK markets. In cooperation with Carver Pumps – Iowa, USA, AxFlow offers API 610 single and multi-stage pumps with delivery times ranging from 15-25 weeks in most materials (SS 316, Duplex etc.). All pumps are CE/ATEX certified and can be delivered with documentation according to API and/or Norsok. StatoilHydro recently received on time a complete package of pumps for condensate consisting of 6 pieces of the Maxum series (API 610) and 2 pieces of the multi-stage RS series.

fat in aberdeenThe factory acceptance testing (FAT) of the system for Statoil-Hydro took place at AxFlow UK’s site in Aberdeen, with representatives from StatoilHydro

with all major brands. The order was received thanks to fast delivery and best technical solution.

carver in short • Centrifugal pumps for the oil and gas industry• API 610 8th edition pumps• ATEX/CE approved pumps• For condensate, hydrocarbons etc.• Fast delivery for pumps in all materials (SS 316, Duplex etc.)• Capacities up to 2000 m3/h (single-stage) and 320 m3/h (multi-stage)• Heads up to 220 mwc (single- stage) and 1000 mwc (multi-stage)

and Aker present. The test showed that all the pumps performed as planned and according to the curves. Recently AxFlow Limited in the UK received their first order for Carver systems in competition

carver sIngle-stage apI 610 centrIfugal pump

axflow test team wIth

a carver rs multI-stage pump

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carver apI 610 centrIfugal pumpwaukesha 320 u2

for produced water

O&G NEWS

One of the toughest pump duties in offshore processing is the transport of reclaimed oil, open drains and closed drains. The fluids contain hydrocarbons, sea water, fresh water, production chemicals, gels, cement, weight material, particles, and last but not least sand. In addition to erosion due to solids, cavitation might also be a problem, as the collection tanks for these liquids often are at the lowest point on the production facility, and NPSH available is low.

pump optionsThe pumps selected for these tough duties are progressing cavity pumps, screw pumps, and lately also lobe rotor pumps. Progressing cavity pumps, or mono pumps as they are sometimes called, have often been replaced by other positive displacement pumps, as operational cost is high due to wear on the stators caused by swelling of the elastomers, in addition to erosion by particles. Specially adapted two-spindle screw pumps

novaplex 040-4d reclaImed oIl duty

with a vertical submerged mounting with open end suction havereplaced the progressing cavity pumps. However, life time has hardly improved. During the last two years, lobe rotor pumps have been installed for drains duties. In order to further reduce mainte-nance, the wetted parts have been diamond coated.

B+l solution on gullfaks BWhen the Gullfaks B platform was designed, the reclaimed oil pumps (duty 30 m3/h against the 2.stage separator pressure of 58 bar) were selected as single stage - high speed centrifugal pumps. The duty is intermittent. Over the years, and with an increasing amount of sand, the lifetime of the high speed impellers was very short. The pumps were replaced by two-spindle screw pumps. However, even after replacing the internals of the pumps with a special erosion resistant alloy, the lifetime was not satisfactory and operational costs were high. In year 2000 a

Bran+Luebbe (B+L) Novaplex diaphragm process pump was ordered. This pump, 57 PF 02, has 4 double diaphragm pumpheads. One of the reasons for selecting this pump was a good track record for pumping nickel slurry at high pressure (200 bar) and high temperature. The pumpheads with PTFE diaphragms are 100% leak free and has a minimum wear, as there are no seals/stuffing box arrangement between the medium and atmosphere. The valves have 1.4462 Duplex valve housings, with seats and discs in hard metal HM/CD 12 N. The operators are very happy with the pump, and claim that the only thing that has stopped it in these years is the yellow/black plastic security chain used offshore.

the novaplex pump The Novaplex process diaphragm pump is a modular pump with 3-5 gears/heads. It has splash lubrication, no instruments for supervision and no cooler/heater. The pump can be capacity controlled by the motor speed all the way down to zero. The pump-head is the same as on B+L’s API 675 metering pumps and handles pressures to 790 bar. Typical applications for Novaplex pumps are: methanol, glycol, hydrocarbon condensate, liquid CO2, H2S waste, drains, reclaimed oil, and LPG. Novaplex is a good alternative to packed plunger pumps and multi-stage or high speed centrifugal pumps thanks to less downtime/maintenance, leak free operation, higher efficiencies (less power) and a big turndown ratio. There are no mechanical seals or seal flush systems. In the UK and theNetherlands a lot of packed plunger triplex pumps for hydrocarbon condensate have been replaced by Novaplex in later years.

tough duty for a tough pump

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O&G NEWS

Lightnin, the world’s biggest supplier of mixing technology, has more than 80 years of unrivalled experience, process knowledge and technological innovation. Lightnin guarantees the performance of the mixer as well as the mixing result. The mud mixers are designed and engineered to provide complete suspension of the mud and cuttings. This provides a uniform feed to the mud cleaning equipment regardless of the mud weight.

Efficient mixing also minimizes the solids build-up on tank bottoms and helps keep mud weights uniform. Lightnin’s unrivalled, patented, Hydrofoil high flow, high efficiency style impellers are used to develop the highest flow achievable for solid suspensions and blending.

equal power - not equal mixing

lightnin mixers

Lightnin’s axial flow impellers provide more mixing at the same motor power than competitive impellers. The exclusive helical gear construction minimizes gear wear that often plagues worm gear designs. Other benefits are:

• No steady bearings (bottom support)Some mud systems require a low profile mixer to accommodate headroom requirements. Lightnin right angle drives have a very low vertical profile.

• Oversized bearings and shafts increase life and decrease maintenance• Splash lubrication provides constant flow to all critical areas• Dry well construction

The heart in every Bran+Luebbe (B+L) system is the Novados metering pump. The majority of these pumps have the B+L double diaphragm pumphead with mechanical refill actuation, which ensures years of unattended service without any leakage to the environment. On several Norwegian platforms B+L double diaphragm pumpheads are working at more than 700 bar discharge pressure. The wetted parts standards are 316 stainless and 22 Duplex, but the pumps can also be supplied in 6Mo and Hastelloy.

The capacity is controlled by variation of the stroke length, during operation and stand still, manually or remotely by a servo motor or a pneumatic actuator with a positioner. For systems where floor space is limited, multiple head pumps in a vertical configuration are used. B+L oil and gas systems are designed, built, tested, and documented at a factory in Brixworth, outside Northampton, where pump systems have been built since the end of the seventies. It goes without saying that B+L pumps comply with all relevant rules and standards.

B+L Novados metering pumps

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O&G NEWS

Since 1955, Wilden Pump & Engineering Company has been the global leader in air-operated double diaphragm pumps. The pumps are self priming and capable of dry-run. They can also be deadheaded without damage.

capacity and materialsWilden has the widest range of materials and pump sizes in the industry. The pump housing is available in aluminum, ductile iron, stainless steel, Hastelloy C, PP, PE, PVDF, and PTFE, with connections from ¼” to 3”. The flow is ranging from 0 to 60 m3/h and pressures to 17 bar. Operating temperature from –40°C to 170°C.

advantages offshoreWilden pumps are used for a variety of offshore utility duties, including transfer/metering of chemicals, bilge, and drains. It is extremely easy to install and to use, and most important, it is intrinsically safe.

Wilden is represented by AxFlow in Norway, UK and Sweden.

AxFlow Aberdeen has been expanding its reputation and business in the North Sea oil and gas industry, winning orders for pump units to be used on a Produced Water Package (PWP).

motive water and reject return pumpsThe PWP comprises the Opus Compact Flotation technology with Mare’s Tail skid, motive water skid and reject collection skid and its primary role is to treat produced water prior to its disposal over-board. AxFlow Aberdeen’s role has been to supply the Motive Water and Reject Return Pumps and design/build a DeOiler Chemical Injection Package. The contract for the Motive Water and Reject Return Pumps was placed by Opus Maxim Ltd and covered the supply and Factory Acceptance Testing (FAT) of four API Waukesha positive displacement rotary pumps for the produced water handling package. The Compact Flotation Units (CFUs) provide effective removal of small oil droplets and other compounds from produced water, which proves to be difficult when using traditional gravity based methods. The units selected

pumps for opus maxIm

compact flotatIon unIt (cfu) module

successes with PWP Pumps

caBInet BuIlt transfer unIt

for a norwegIan platform

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Photo courtesy of Opus Maxim Limited

were two 320 U2 Reject Return Pumps capable of delivering 46.4 m³/hr and two 420 U1 Motive Water Pumps capable of delivering 66.2 m³/hr. According to Derek Wallace from AxFlow Aberdeen, each of the Zone 1 ATEX certified pumps was fitted with an API 682 double mechanical shaft seal system, 37 kW electric motors, drive and flexible coupling all mounted on a carbon steel base plate. VSD for the pumps was provided using four ABB ACS 800 Frequency Inverters.

deoiler chemical InjectionThe DeOiler Chemical Injection Package designed and built by AxFlow is required on the PWP to improve the clarity of the produced water in order to meet governmental specifications for overboard discharge. The unit was supplied with a 750 litre working capacity day tank and instrumentation unit containing flow meters, check valves and relief valves. “Metering pumps on the DeOiler unit have to achieve flow rates from 0.033 lt/h to 6.6 lt/h”, says Derek Wallace.”The 200:1 turndown is achieved by utilising a spill back design.”

Wilden pumps for offshore duty

O&G NEWS

some of axflow’s customers

With the transfer of the Norwegian Bran+Luebbe business earlier this year, AxFlow AS has extended its range of turbo-machinery now also to include blowers and compressors. Aerzener Maschinenfabrik GmbH,

vm-85 screw compressor wIth dIesel drIve In a cement conveyIng system

situated outside Hameln west of Hannover, is the worlds biggest producer of “two shaft displacement machines” for air and gas. Aerzen has built both the world’s biggest screw compressor and Roots blower.

There are 5 main production lines:• Oil free blowers (Roots principle) from low vacuum to high pressure blowers with 2 bar differential pressure. Process gas blowers.• Oil free screw compressors, single and two stage, for air and nitrogen • Oil free single- and multistage API screw compressors for process gas• Oil injected screw compressors for process gas• Gas meters

The main use for the Aerzener machines is within pneumatic conveying and aeration. In the oil and gas segment, we find Aerzeners machines at Kollsnes, Ormen Lange, and at the Snøhvit Terminals. Offshore, the screw compressors are found in the deoxygenation plants on Snorre and Heidrun. For the recovery of VOC (volatile organic compounds) on the shuttle tankers transporting the oil from Norwegian platforms, Aerzen has supplied 27 oil injected screw compressors, both as bare shaft machines and as complete packages with oil systems and drivers. Motor ratings are to 1100 kW.

voc compressor package

moving air and process gas

thanks to axflow’s competence in the offshore industry, these are some of its customers: • StatoilHydro - Norway• Maersk - UK• PDO Oman - Italy• Total E&P - The Netherlands• Petrobras/Chevron - The netherlands

• GASCO (U.A.E) - Italy• ENI - Italy• Petrofac Brownfield - UK• Exxon Mobil - The Netherlands• ARAMCO Saudi Arabia - Italy• Petro Canada - The Netherlands• AGIP IRAN Iran - Italy• ADNOC Abu Dhabi - Italy• Conoco Phillips - Norway

• AGIP PETROLI - Italy• Petronas - The Netherlands• KCA Deutag - UK• Marathon Oil - The Netherlands• LUNDIN Malaysia - Italy• Talisman (BP) - Norway• SONELGAZ Algeria - Italy• Chevron - UK• Production Services Network-UK

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O&G NEWSaxflow at your service

AxFlow is the leading pan-European supplier of safe and cost effective fluid handling solutions and services to complex process industries. Our ambition is to meet the needs of local industry while, at the same time, offering one strategic distribution and customer service solution across Europe. Do not hesitate to contact us. For more information, please visit www.axflow.com.

AxFlow ASLilleakerveien 10, NO-0283 Oslo NORWAYTel: +47 (0)22 73 67 00

AxFlow LimitedUnit 3 Harlaw CentreHowe Moss CrescentKirkhill Industrial EstateDyce, Aberdeen AB21 OGNUNITED KINGDOMTel: +44 (0)1224 729 367

AxFlow B.V.De Steiger 24NL-1351 AB Almere THE NETHERLANDSTel: +31 (0)365 38 12 11

AxFlow S.A.S.Z.I. du Saule Michaud, BP 42FR-37 270 Montlouis-sur-LoireFRANCETel: +33 (0)247 45 84 58

AxFlow S.p.A.Via Del Commercio, 15-15/AIT-20090 Buccinasco (MI)ITALYTel: +39 02 484 801 AxFlow A/SSolvang 6DK-3450 AllerødDENMARKTel: +45 70 10 35 50

O&g Contactsat AxFlow

Published by:AxFlow AsLilleakerveien 100283 Oslo, Norway t: +47 22 73 67 00 F. +47 22 73 67 86

E-mail: axflow@axflow.no

Responsible: gunnar Ødegård Editor in Chief: Per HalckEditor and copy writer: Alexandra PrusicLayout and design: RAMP (C) 2008

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