GB2138472B
(en )
1986-04-16
Undersea template for the drilling of wells for the exploitation of hydrocarbon pools under the sea
EP0232891A3
(en )
1989-03-01
Drilling tool for deep wells
GB2139269B
(en )
1986-06-25
Oil well drilling rig assembly and apparatus therefor
DK519987A
(da )
1988-04-03
Pejlingsteknik for en underjords-boreanordning
MX159926A
(es )
1989-10-06
Barrena de perforacion de diamante para perforar yacimientos subterraneos
MX164304B
(es )
1992-07-31
Fluidos y gelificantes con base en aceite,para perforacion de pozo
FR2542366B1
(fr )
1986-12-19
Appareil pour le forage dirige de puits souterrains
GB2127466B
(en )
1986-05-08
Apparatus for drilling oil wells
OA09548A
(en )
1993-01-31
Additive for well drilling fluids
FI920904A7
(fi )
1992-02-28
Porausreiän vuorausputken flotaatiolaite ja menetelmä
RO89835A
(ro )
1986-07-30
Procedeu de obtinere a unei polizaharide
GB8326961D0
(en )
1983-11-09
Bore-hole drilling device
NO901543D0
(no )
1990-04-04
Fjellboreanordning.
GB8722987D0
(en )
1987-11-04
Mineral drilling rig
DE3461842D1
(en )
1987-02-05
Universal drilling apparatus equipped with means for rapid raising of the drill string
NO169364C
(no )
1992-06-10
Akustisk energisender for borehull-logging
GB8928704D0
(en )
1990-02-28
Method of treatment of drilled-in underground formation saturated with hydrocarbon gas
YU150386A
(en )
1988-10-31
Process for exploitation of mineral oil by using carbonic dioxide
AU493144B2
(en )
1975-11-13
Horizontal drill rig for deep drilling to remote areas anda method of drilling
SU909019A1
(ru )
1996-05-20
Основание морской буровой и способ его возведения
JPS5321003A
(en )
1978-02-27
Method of drilling rock bed* concrete structure* etc* and tool for the method
NO179179C
(no )
1996-08-21
Fremgangsmåte for fremstilling av et mineraloljeadditiv
GB8623787D0
(en )
1986-11-05
Mineral drilling rig
HU885506D0
(en )
1991-07-29
Process for the forcing of boreholes, primarily used for oil drilling, and apparatus for the realization of the process
ES545093A0
(es )
1987-11-16
Un tapon obturador de pozos de perforacion