Project:
Total 35.000 meters
1975-1990 |
Bulgargeomin (Sofia - Bulgaria)
Geotecnica (Zagreb-Jugoslavia)
Stroyexport (Prague-Tschechoslov.)
Preussag A.G. (Hamburg-FRG) |
Partly Galvanized LC
Water Authority, Tripoli, Libya
Irrigation Projects
6"/8"/9.5/8"/10"/12" Water Well Screens
Extension Pipes and Accessory Equipment |
Project:
Total 5.000 meters
1978-1979 |
Sir William Halcrow & Partners (U.K.)
Intern. Water Well Drilling Co.(Dubai) |
Water Supply of the City of Sharjah, U.A.E.
12" Water Well Screens and Extension Pipes and Accessory Equipment |
Project:
Total 21.000 meters
1978-1983 |
Preussag A.G. (Hamburg-FRG)
Saudi Drilling Al-Khobar (Ryadh)
A.Moshin B.Al-Mobarak (Ryadh) |
Partly Galvanized LC
Irrigation Projects, Saudi Arabia
5.1/2"/6"/8"/9.5/8" Water Well Screens and Extension Pipes, LinerHanger/Packer, Shoes, Centralizer etc. |
Project:
Total 11.000 meters
1980-1985 |
Raqtan Trading (Ryadh-S.A.)
McKee Engineers & Partners (U.K.)
Bajrai Drilling Dept. (Ryadh-S.A.)
A.I. Al-Khorayef (Ryadh-S.A.) |
Water Supply City of Ryadh, Saudi Arabia
Linerhanger/Packer 7” to 16“
7" Pipe-Based Screens, Extension Pipes,
7" Washdownshoes, 7"-.5/8"Centralizers, etc. |
Project:
Total 6.400 meters
1982-1985 |
Phillip Holzmann A.G.(Frankfurt-FRG) |
Irrigation Projects: - Saudi Arabia
- Libya |
Project:
Total 7.600 meters
1983-1985 |
Wadricoli (Deutsche Schachtbau)
Khartoum - Sudan |
Exclusively Galvanized LC
Water Supply
Irrigation Projects
6"/8"/10"/12" Water Well Screens
Extension Pipes and Accessory Equipment |
Project:
Total 7.200 meters
1980-2003 |
A.Cavaco (Lisboa-Portugal)
Fehlmann (Bern-Switzerland) |
Water Supply of Cities in Portugal
Water Supply on Azores
10"/12" Water Well Screens and
Extension Pipes and Accessory Equipment |
Project:
Total 3.600 meters
1991 |
Salzgitter A.G. (Düsseldorf-FRG) |
Irrigation Projects - Al Ain / U.A.E.
12" Water Well Screens and Extension Pipes |
Project:
Total 5.500 meters
1975-2003 |
Preussag GmbH (Hamburg-FRG)
Preussag GmbH (Essen-FRG)
Preussag GmbH (Darmstadt-FRG)
vanDornick (Kalkar-FRG)
Eugen Engert (Minden-FRG)
Vormann (Nuttoln/Stralsund FRG)
Bechtel (Karlsruhe-FRG)
Züblin A.G. (Stuttgart-FRG)
Etschel & Meyer (Hof-FRG)
Lange GmbH (Halstenbek-FRG)
Erdbohr-Wesel (Wesel-FRG)
Subterra GmbH (Rostock-FRG)
Wismarer Brunnenbau (Wimar-FRG)
Brandenburger Bohrgesellschaft mbH
Plänsgken (Neukirchen-FRG)
Wolf Brunnenbau (Neuss-FRG)
Braumann GmbH (Antiesenhofen-Austria)
Reisinger Bohr GmbH (Ensdorf-Austria)
Erdbohr Austria (Wattens-Austria)
Fehlmann A.G. (Bern-Switzerland)
Gebr. Menges (Luzern-Switzerland)
Zschocke (Geneva-Switzerland) |
Rural Water Supply of Cities within Germany, Austria and Switzerland
Celler Brunnenbau (Celle-FRG) from 4.1/2" to 32” diameter Water Well Screens, Extension Pipes and Accessories
Rural Water Supply of Cities within Germany, Austria and Switzerland
(Magdeburg-FRG) from 4.1/2" to 32” diameter Water Well Screens, Extension Pipes and Accessories
from 300 to 1200 mm diameter Water Well Screens, Extension Pipes and Accessories
250 and 300 mm diameter Water Well Screens and Extension pipes for Horizontal Well Completion
Surface Water Intake Screens from
500 to 800 mm diameter |