IT8548198A0
(en )
1985-06-11
COMPOSITION FOR DRILLING FLUIDS COMPLETION AND PROCESSING OF OIL AND GAS WELLS
IT1279067B1
(en )
1997-12-04
METHOD FOR UNDERGROUND EXCLUSION OF FLUIDS
NO993867L
(en )
1999-10-11
Devices and methods for downhole fluid separation and control of water production
NO955292L
(en )
1996-02-22
Selective zone isolation of oil wells
NO942820D0
(en )
1994-07-29
Lead wedge for oil and gas wells
NO951502D0
(en )
1995-04-20
Method of drilling and cementing a well
NO303404B1
(en )
1998-07-06
Method for increasing the stability of water-based fracturing fluids and method for fracturing an underground formation
NO930044L
(en )
1993-07-12
PROCEDURE FOR EVALUATION OF FORMS AND DRILL CONDITIONS
AU2451088A
(en )
1989-06-15
Cementing oil and gas wells using converted drilling fluid
NO951501D0
(en )
1995-04-20
Method of drilling and cementing a well
NO984113L
(en )
1998-11-09
Method and suspension to improve the flow of a slurry
EP0460902A3
(en )
1993-03-10
Drill pipe bridge plug and method of use
NO951503D0
(en )
1995-04-20
Method of drilling and cementing a well
IT1171458B
(en )
1987-06-10
HIGH GASKET THREADED JOINT FOR PIPES OF WELLS FOR NATURAL GAS AND OIL
NO953309L
(en )
1995-10-23
Method of drilling and cementing a well
DK0776442T3
(en )
1999-06-21
Fluid bed reactor and method of operation thereof
IT1239356B
(en )
1993-10-20
APPARATUS AND METHOD FOR SEALING CLOSURE OF DRILLING WELLS
DE3660931D1
(en )
1988-11-17
Process for preventing the flow of water in oil and/or gas wells
NO174435C
(en )
1994-05-04
Pipe suspension device for oil and gas wells
NO944785D0
(en )
1994-12-09
Spacing distance and sound velocity of drilling fluid during drilling
IT1219787B
(en )
1990-05-24
PROCEDURE AND EQUIPMENT FOR DRILLING AND COMPLETION OF DEEP WATER OIL WELLS
GB2218739B
(en )
1991-12-04
Method and apparatus for the recovery of formation fluids subterranean well bore
GB2307047B
(en )
1999-06-23
Production logging of oil and gas wells
NO943105D0
(en )
1994-08-23
Bottom frame construction for drilling oil and gas wells below sea level
IT8844808A0
(en )
1988-07-20
DEVICES AND METHOD FOR SUSPENSION AND ANCHORING OF PIPE COLUMNS FOR OIL OR GAS WELLS