MX147310A
(en )
1982-11-10
IMPROVEMENTS IN THE ARIETE PIPE CUTTER SET-TO CONTAIN EXCESSIVE PRESSURES OF A DRILLING PIT
ES486857A0
(en )
1980-12-16
A METHOD FOR ELECTROMAGNETICALLY DETERMINING THE THICKNESS OF A FERROMAGNETIC PIPE.
MX148427A
(en )
1983-04-20
IMPROVEMENTS IN A DRILL WITH ALIGNABLE INSERTS
MX153019A
(en )
1986-07-21
IMPROVEMENTS IN APPARATUS TO SEPARATE OIL AND WATER INSIDE A WELL
ES504412A0
(en )
1983-04-16
PROCEDURE AND APPARATUS TO PERFORM A DRILLING HOLE
BR8200757A
(en )
1982-12-21
ACCESS TO A BURIED PLUMBING
ES505304A0
(en )
1983-06-01
METHOD FOR FASTENING A METAL SLEEVE IN SECTIONS
DK458678A
(en )
1979-04-15
INSTALLATIONS FOR OFFSHORE DRILLING IN THE SEABROUND
ATA160980A
(en )
1982-11-15
WATER CLEANET OR BIDET
AR224888A1
(en )
1982-01-29
A METHOD TO DETERMINE THE EXCHANGE OF LAND FORMATION CATIONS
MX147543A
(en )
1982-12-13
IMPROVEMENTS IN A DEVICE TO MARK A DEPTH OF A WELL LINING PIPE
AR208788A1
(en )
1977-02-28
METHOD TO BENEFIT A NON-SULFURATED MINERAL
IT1143352B
(en )
1986-10-22
PROCEDURE TO MUTILIZE THE PROFILING THROATS ON THE CYLINDER OF A LAMINATE
MX151713A
(en )
1985-02-14
IMPROVED METHOD FOR THE TREATMENT OF A WELL
MX144838A
(en )
1981-11-24
IMPROVEMENTS IN METHOD AND APPARATUS TO DETERMINE THE QUALITY OF CEMENT BEHIND A LINED PIPE FLOORED IN A PROBING WELL
PH19566A
(en )
1986-05-21
Apparatus for detecting the stuck point of drill pipes in a borehole
MX3939E
(en )
1981-10-07
IMPROVED METHOD FOR LOCATING AND MEASURING UNWANTED WATER ENTRY INTO A PIPE FROM A WELL
IT1048532B
(en )
1980-12-20
AUTOMATIC OPERATING EQUIPMENT FOR THE TEMPORARY STORAGE OF TILES OR SIMILAR BODIES FOR USE ON CONTINUOUS CYCLE TILE PROCESSING LINES
MX145018A
(en )
1981-12-15
IMPROVEMENTS IN METHOD TO REPAIR A SUB-AQUATIC PIPE
MX155184A
(en )
1988-02-01
IMPROVEMENTS IN METHOD TO DETERMINE THE THICKNESS OF A LINED PIPE FLOORED IN A DRILLING PIT
MX142895A
(en )
1981-01-14
IMPROVEMENTS TO METHOD AND ULTRASONIC DEVICE FOR WELL DRILLING
ES485366A0
(en )
1981-02-16
A METHOD FOR THE DETECTION OF THE DECAY IN TIME OF THERMAL NEUTRONS IN A LAND FORMATION
MX150927A
(en )
1984-08-21
METHOD FOR DRILLING A WELL IN AN UNDERGROUND FORMATION
MX157609A
(en )
1988-12-05
A HYDRAULIC RECOVERY RUNNER TO BE USED IN A TUBULAR DRILLING SARTA TO EVICTION AN OBJECT FROM A WELL
AR240075A1
(en )
1990-01-31
METHOD FOR EXPLORING A TUBED WELL AND A DEVICE TO DETERMINE THE THICKNESS OF THE IRON PIPE.