DE3570479D1
(en )
1989-06-29
Hammer for use in a bore hole and apparatus for use therewith
GB2216578B
(en )
1992-03-25
Method and apparatus for completing a non-vertical portion of a subterranean well bore
GB2182150B
(en )
1989-10-18
Method and apparatus for investigating drilling conditions in a borehole
GB8501441D0
(en )
1985-02-20
Gas detection in subterranean wells
DE3466809D1
(en )
1987-11-19
Process and device for geophysical measurements in a bore hole
EP0184978A3
(en )
1988-08-24
Process for manufacturing pipes for the petroleum and natural gas industries and for drilling rods
DE3571683D1
(en )
1989-08-24
Corrosion resisting steel pipe and method of manufacturing same
AU569214B2
(en )
1988-01-21
Oil and gas extraction from subterranean formations
GB8926385D0
(en )
1990-01-10
Method and apparatus for measurement of azimuth of a borehole while drilling
EP0154532A3
(en )
1986-04-02
High explosive devices for use in wells and methods of detonating them
GB9014896D0
(en )
1990-08-22
Subsurface well safety valve with curved flapper and method of making
EP0161557A3
(en )
1987-03-18
Method of filling in sleeve hole for piping and repairing structure therefor
ZA811083B
(en )
1982-03-31
A friction rock stabilizer and method for insertion thereof in an earth structure bore
EP0338744A3
(en )
1990-08-22
Apparatus and method for measuring dissolved gas in oil
DE3568818D1
(en )
1989-04-20
Lateral hole boring method and apparatus
GB2219230B
(en )
1992-04-08
A method of and an arrangement for drilling a hole in a rock
AU5415990A
(en )
1990-10-09
Method of locating oil and gas horizons using a wellbore heat flow log
DE3466253D1
(en )
1987-10-22
Method for removing and/or retarding paraffin buildup on surfaces in contact with crude oil or natural gas containing such paraffin
GB2099894B
(en )
1985-07-03
Offshore oil and/or gas production structure and method
PL248816A1
(en )
1986-02-11
Method of testing petroleum and/or gas deposits in a bore hole
JPS56105095A
(en )
1981-08-21
Measuring device between bore hole and its measuring method
JPS57174599A
(en )
1982-10-27
Method and element for fixing bolt in drilled hole
GB8829843D0
(en )
1989-02-15
Method of placing a pipe string in a borehole and pipe section for use in the method
AU1623988A
(en )
1988-11-04
Method and apparatus for evaluating the rare metal content of a natural geological formation
DE3476585D1
(en )
1989-03-09
Reagent for the determination of inorganic phosphate and use thereof in a rate analysis method