1
Rudolf Haafkens, Rafael F Luque, Willem De Vries: Method for forming channels of high fluid conductivity in hard acid-soluble formations. Shell Internationale Research Maatschappij, Pravel Gambrell Hewitt Kirk Kimball & Dodge, January 20, 1981: US04245702 (74 worldwide citation)

A fracturing and acidization method for increasing the productivity of relatively hard acid-soluble formations about a perforated well, comprising the steps of producing a formation fracture containing a viscous fluid and propping agent; injecting an acid solution having a viscosity value fifty time ...


2
Cook Robert Lance, Brisco David Paul, Stewart R Bruce, Ring Lev, Haut Richard Carl, Mack Robert D: Chemisage de puits de forage, Wellbore casing. Shell Internationale Research Maatschappij, Shell Internationale Research Maatschappij, OGILVY RENAULT SENCRL, August 4, 2009: CA2292171 (68 worldwide citation)

A wellbore casing formed by extruding a tubular liner off of a mandrel. The tubular liner and mandrel are positioned within a new section of a wellbore with the tubular liner in an overlapping relationship with an existing casing. A hardenable fluidic material is injected into the new section of the ...


3
Cook Robert Lance, Brisco David Paul, Stewart R Bruce, Ring Lev, Haut Richard Carl, Mack Robert D: Tete de puits, Wellhead. Shell Internationale Research Maatschappij, Shell Internationale Research Maatschappij, OGILVY RENAULT SENCRLSRL, April 22, 2008: CA2298139 (67 worldwide citation)

A wellhead is formed by extruding a plurality of tubular liners off of a mandrel into contact with an outer casing. The first tubular liner and mandrel are positioned within the wellbore with the tubular liner in an overlapping relationship with the outer casing. At least a portion of the tubular li ...


4
Anthony Willem Kamp: Means for generating electricity during drilling of a borehole. Shell Internationale Research Maatschappij, Pravel Gambrell Hewitt & Kimball, January 1, 1985: US04491738 (53 worldwide citation)

A generator for providing electric energy in a borehole during drilling thereof, the generator comprising an anchor which is movable in a reciprocating mode in response to pressure pulses in the drilling fluid caused by rapidly opening or closing a valve.


5
Roland S Twydell, Jennifer M Radcliffe: Method of combating termites. Shell Internationale Research Maatschappij, May 23, 1989: US04833158 (52 worldwide citation)

This invention provides a method of combating termites at a locus, which comprises treating the locus e.g. soil or timber with an acyl urea of the formula ##STR1## wherein one substituent X is a halogen atom or a merthyl group and the other is a halogen atom, a hydrogen atom or a methyl group, and e ...


6
Bras Eduard Coenraad, Geuzebroek Frank Haiko, Knaap Mariette Catharina: Enhanced oil recovery process and a process for the sequestration of carbon dioxide. Shell Internationale Research Maatschappij, Bras Eduard Coenraad, Geuzebroek Frank Haiko, Knaap Mariette Catharina, SHELL INTERNATIONAL, June 21, 2007: WO/2007/068682 (49 worldwide citation)

A process for the sequestration of carbon dioxide, the process comprising injecting carbon dioxide into a reservoir, the carbon dioxide derived from flue gas from a reformer, particularly from a steam methane reformer (SMR). The injected carbon dioxide may be used to enhance the recovery of oil from ...


7
Gernot Staudinger, Maarten J VAN DER Burgt: Process for quenching product gas of slagging coal gasifier. Shell Internationale Research Maatschappij, Pravel Wilson & Gambrell, October 18, 1977: US04054424 (46 worldwide citation)

A process is disclosed for quenching of the partial combustion product gas of a slagging coal gasifier containing suspended molten slag particles wherein the hot product gas of the gasifier is passed through a tubular quench zone into which a shielding gas is introduced circumferentially to form an ...


8
Thaddeus P Kobylinski, Charles L Kibby, Richard B Pannell, Elizabeth L Eddy: ROR-activated catalyst for synthesis gas conversion. Shell Internationale Research Maatschappij, Roylance Abrams Berdo & Goodman, March 8, 1988: US04729981 (44 worldwide citation)

Catalyst for synthesis gas conversion in which a gas comprising carbon monoxide and hydrogen is converted to a liquid hydrocarbon is prepared by subjecting cobalt or nickel on a refractory metal oxide support to an activation procedure at a temperature of from about 100.degree. to about 450.degree. ...


9
Van, Heuzen Auke Antoinette, de, Lang Hans, Moureaux Patrick, Reinalda Donald, Rigutto Marcello Stafano: Process for producing paraffinic hydrocarbons. Shell Internationale Research Maatschappij, Van, Heuzen Auke Antoinette, de, Lang Hans, Moureaux Patrick, Reinalda Donald, Rigutto Marcello Stafano, SHELL INTERNATIONAL, August 28, 2008: WO/2008/101945 (42 worldwide citation)

Process for producing paraffinic hydrocarbons, the process comprising the following steps: (a) contacting hydrogen and a feedstock comprising triglycerides, diglycerides, monoglycerides and/or fatty acids with a hydrogenation catalyst under hydro-deoxygenation conditions; and (b) contacting the whol ...


10
Ludwig Schroder, Werner Stransky, Rudolf Mengel, Erich Raddatz, Sigmund Lust, Gerbert Linden, Gerhart Schneider: Herbicidal hydantoins. Shell Internationale Research Maatschappij, Sughrue Mion Zinn Macpeak & Seas, July 31, 1990: US04944791 (39 worldwide citation)

Novel cycloalkane-5.dbd.-spiro-hydantoins of formula ##STR1## wherein A is selected from the group consisting of ##STR2## and the remaining substituents are defined below having strong, selective herbicidal activity and novel intermediates and a process for their preparation.



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