EG11678A
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1977-09-30
Methods and apparatus for testing earth formations
CA937505A
(en )
1973-11-27
Method and apparatus for testing wells
AU474998B2
(en )
1976-08-05
Earth drilling apparatus and method
CA949058A
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1974-06-11
Method and apparatus for use in drilling offshore wells
HU173118B
(hu )
1979-02-28
Sposob i oborudovanie dlja issledovanija pochvennykh slojov, raspolozhennykh okolo burovoj skvazhiny
IT1035390B
(it )
1979-10-20
Compositione additiva e metodo per cementare pozzi trivellati
IL46371A0
(en )
1975-03-13
Method and apparatus for drawing sandfree water from bored wells
FR2281490A1
(fr )
1976-03-05
Machine et procede de percement de tunnels
NO137021C
(no )
1977-12-14
Fremgangsm}te ved og anordning for fjell og jordboring
ZA707850B
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1971-08-25
Methods and apparatus for testing offshore wells
ZA753748B
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1976-04-28
Tunnel boring machine and method
DK260475A
(da )
1975-12-19
2-phenyl-indol-derivater og fremgangsmade til fremstilling deraf
IL47368A
(en )
1978-01-31
Method and apparatus for immunodiffusion
CA985265A
(en )
1976-03-09
Well drilling apparatus and method
IT1034898B
(it )
1979-10-10
Apparecchiatura e metodo per selezionare sisarette
CA931071A
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1973-07-31
Method and apparatus for testing well formations
IS1176B6
(is )
1984-12-28
Aðferð og tæki til að þétta fóðringar í borholum
CA989727A
(en )
1976-05-25
Method and apparatus for testing oil wells
CA999232A
(en )
1976-11-02
Well casing apparatus for wells in permafrost and method for completing wells in permafrost
DK386375A
(da )
1976-02-29
Fremgangsmade og apparat til borehulslogging
CA1034867A
(en )
1978-07-18
Mining method and apparatus
AU478274B2
(en )
1975-06-12
Method and apparatus for cement well bore casing
AU489417B2
(en )
1976-05-06
drilling MUD DEGASSER APPARATUS AND METHOD
CA811018A
(en )
1969-04-22
Method and apparatus for drilling straight wells
CA840792A
(en )
1970-05-05
Method and apparatus for completing wells