High pressure gas pipeline NEL lot 3, 4 and 5 (Germany)
construction of the NEL (North European Gas Pipeline) from Banzkow to Levitzow
length: 105 km, DN 1400, DP 100
civil and pipeline construction works as well as installation of the valve stations

High pressure gas pipeline OPAL, lot 11-14 (Germany)
construction of the OPAL (Baltic Sea Pipeline Link) from Finsterwalde to Olbernhau
length: 136.5 km, DN 1400, DP 100
civil and pipeline construction works including valve stations and river crossings (e. g. crossing of the river Elbe near Meißen)
in a joint venture

High pressure gas pipeline UGS NBZ/7 Fields (Germany/Austria)
construction of the high pressure pipeline from Haiming (Bavaria) to Nussdorf/Zagling (Austria)
length: 45.0 km, DN 600; length: 25.9 km, DN 900; DP 100
microtunneling through the river Salzach, 730 m, DN 2000 (external diameter)
civil and pipeline construction works including pig and valve stations, microtunneling
in a joint venture

High pressure gas pipeline WAG 600 Plus, Loop Baumgarten-Enzersfeld (Austria)
construction of the OMV WAG Plus 600 Loop Baumgarten-Enzersfeld and of the PVS line G00-040 as a parallel pipeline
length: 52 km, DN 1200; length: 3,9 km, DN 800; DP 90
civil and pipeline construction works including pig and valve stations
in a joint venture

Gas pipeline OLT Livorno Project (Italy)
construction of the onshore connecting pipeline to the OLT re-gasification terminal near Livorno
length: 7.3 km, DN 32’’
civil and pipeline construction works
including microtunneling

Pipeline connection Mittelplate (Germany)
construction of 6 trenches, length: 70 m, width: 6 m and 12 m (6 m x 2 m)
drillings from 1,100 m to 1,400 m length, DN 250 and 150 by HDD
crude oil pipeline: length: 7.5 km, DN 250; PN 100
deposit water pipeline: length: 7.5 km, DN 150, PN 250
pipeline works and drillings

EGS storage plant Bierwang gas regulating station ME 05 (Germany)
complete construction of the gas measuring and regulating station in Bierwang
input and output lines, filter, preheater, regulation, measuring
in-feed/outlet pressure: 100 bar
input: DN 80, outlet: DN 65
Vn = 4,500 m³/h

Construction, delivery and erection of the gas steam power plant Hemweg (Netherlands)
Vn = 78,839 m³/h
gas turbine: type SGT 5-4000 F
steam turbine: type SST 5-5000
total performance of gas steam power plant: 435 Mwel

Construction of the gas measuring and regulating station S.8010 Schnaitsee 2 (Germany)
system technoloy, pipeline and civil construction works, including connecting lines
DN 500 and tying in DN 700, outdoor installations
delivery and installation of heating technology
Vn = 180,000 m³/h
in-feed/outlet pressure: 100 bar, input/outlet: DN 500

Internal turbine piping, Titan 250 S/Waidhaus (Germany)
installation of the internal turbine supply lines for fuel gas, seal gas, sealing air, lubricating oil cooler and unbend lines
CrNi-steel, da 33,7 – da 273, DP 155

Manufacturing and delivery of the pig trap for the pipeline Pfaffstätt-Oberkling (Germany)
manufacturing and delivery of 3 pig traps for the lines Pfaffstädt and Oberkling
2 pig traps DN 500/DN 400, PN 250 bar
1 pig trap DN 700/DN 600, PN 100 bar

20-kv-supply line from the PV plant Berga to the transformer station Herzberg (Germany)
20 KV-cable 3x1x400 mm²; length of the route: 13,000 m
routing, route inspection with the road construction authority, civil construction works, compensation for the neighbouring owners, cable laying, assembly of cable fittings, measuring of the sheath faults and digital measuring; laying in open construction method as well as by plough and horizontal directional drilling method

Construction of the water pipeline from Wallersdorf to Reissing (Germany)
length: about 9,300 m, steel DN 300, PN 16 (thereof: 8,000 m torpedo ploughing method)
laying of a triple conduit fitting including blowing in of a data cable from the elevated tank to the outlet structure
laying of a outlet pipe from the elevated tank to the outlet structure
length: about 600 m, PE HD da 355, PN 16; pipeline and civil construction works, pressure test

Cable connection PV plant in Wisselsing (Germany)
laying of a 20 KV cable from the PV plant in Wisselsing to the inlet in Plattling-Pielweichs
incl. laying of a conduit fitting da 50 for optical fibre cable
length of the route: 17 km

Construction of a biogas pipeline in Hassfurt (Germany)
length: 3,850 m, PE-HD da 180 x 16.4 mm, PN 1, DN 150
pipeline and civil construction works, welding works, horizontal directional drilling, pressure test, installation of 8 condensate pits

Disposal gas pipeline in Außernzell 100-160 (Germany)
construction of 26 filter lances
total length about 900 m

Oil/injection drilling Römerberg Speyer (Germany)
oil/injection drilling
depth: from 2,420 m to 3,117 m

Oil/observation drilling Schoonebeek Field (Netherlands)
oil/observation steem thrust drillings
alltogether: 73 drillings at 18 clusters
depth: from 800 m to 1,800 m

Drillings for gas near Groningen (Netherlands)
drillings for gas
depth: from 2,100 m to 4,800 m (MD)

Geothermal drilling Honselersdijk GT1 and GT2 (Netherlands)
geothermal drilling (doublette)
depth GT1: 3,190 m, depth GT2: 3,100 m
2 drillings at a drilling site of 2,500 m²
flow rate 45 l/s, temperature of the thermal water 86°C
32 bar

Merigon, France
in the south-west of France a drilling was executed on a natural gas field with a depth of
2,860 m

In situ geothermic drilling Groß Schönebeck, Germany
execution of a geothermic drilling with a depth of about 4,500 m (MD)
the well is now used by the client for research purposes

Devil Creek Development Project (Western Australia)
shore approach for the installation of a 16’’ gas pipeline
length: 2,100 m
pipeline construction and commissioning

Oleoduto RNEST (Brazil)
three drillings by microtunneling
length: 170 m, 114 m, 86 m
for 56“ steel pipes as casing for a 46“ oil pipeline
first microtunneling project for the client Petrobras

Río Camisea (Peru)
two river crossings for the installation of a 16“ gas pipeline and a 10“ casing, a helicopter brought the equipment to the drilling location (rain forest)

Qeshm Island
underground crossing of the „Street of Hormus“ between the Iranian mainland and the Qeshm Island for the installation of a 16“ product pipe as connecting line
length: 3.060 m

Inspection of gas pipeline network
VNG-AG Leipzig
length: 530 km

ELT/automation and process control engineering
E.ON Thüringer Energie AG
250 plants

Gas pressure and regulating plants/biogas plants
Energieversorgung Gera
10 plants

Cathodic Corrosion Protection
delivery, erection, commissioning of the Cathodic Corrosion Protection system, data remote supervision and measuring at the OPAL
length: 480 km, DN 1400, MOB 100 bar

Macedon project (Australia)
natural gas pipeline in the North-East of Australia
length: 82 km in 2/3 sections, DN 500
cleaning, pressure tests, caliper pigging, drying

Connecting line Gazelle, border line Germany/Czech Republic
gas pipeline at the German-Czech border to the station Brandov, as connecting line to the OPAL
length: about 105 km, DN 1400
pressure test, caliper pigging, drying for lot 2 and 3

Baltic Sea Pipeline link (OPAL)
length: 210 km, DN 1400
pressure test, caliper pigging, air drying

North European Gas Pipeline (NEL)
length: 112 km, DN 1400
pressure test, caliper pigging, drying