Abstract: A tubular member (1) with a relative rough (1.5-10 ?m) inner surface (5) coated solid lubricating film (10) which is transformed into a substantially viscous rubbery viscoelasto-plastic phase at temperatures in a range between 50° C. and 110° C. is expanded by moving an expansion member (24) with a relatively smooth outer surface (roughness<1.5 ?m) therethrough, such that during expansion a viscous viscoelastoplastic substantially rubbery lubricating film (44) is generated between the tubular member (1) and the expansion mandrel (24), which film remains bonded to the rough inner surface (5) of the expanded tubular (1), but does not stick to the relatively hot and smooth expansion member (24).

Abstract: A process for the production of glycols is provided, the process comprising the steps of: (i) contacting a saccharide-containing feedstock with a catalyst system in a reactor in the presence of a reaction medium, a buffer system for controlling the pH within the reactor, and hydrogen; (ii) withdrawing a reactor product stream from the reactor; (iii) separating the reactor product stream into at least a glycol product stream and a hydrocarbon heavies stream; and (iv) recycling the hydrocarbon heavies stream at least partially back to the reactor; wherein components of the buffer system withdrawn from the reactor in the reactor product stream separate with the heavies stream and are recycled therewith.

Abstract: The present invention provides a process for producing liquid hydrocarbon products from a feedstock comprising at least one of a solid biomass-containing feedstock and a solid biomass-derived feedstock and in the range of from 50 to 15000 ppmw of chlorides, said process comprising the steps of: a) incorporating a chloride trap material into said feedstock to provide a combined feedstock/chloride trap material; b) densifying the combined feedstock/chloride trap material to form densified feed in the form of pellets or briquettes; c) contacting said densified feed with a hydropyrolysis catalyst composition and molecular hydrogen in a hydropyrolysis reactor vessel at a temperature in the range of from 350 to 600° C. and a pressure in the range of from 0.50 to 7.50 MPa to produce a product stream comprising a deoxygenated hydrocarbon product, H2O, H2, CO2, CO, C1—C3 gases, char and catalyst fines; and d) removing all or a portion of said char and catalyst fines from said product stream.

Abstract: A process for producing polycarbonate comprising: a) contacting a dialkyl carbonate with a dihydroxy compound in an oligomerization zone in the presence of an oligomerization catalyst under oligomerization conditions to form a first intermediate; and b) contacting the first intermediate with a diaryl carbonate in a polymerization zone in the presence of a polymerization catalyst under polymerization conditions to produce the polycarbonate wherein the molar ratio of dihydroxy compound to dialkyl carbonate in the oligomerization zone is at least 2:1.

Abstract: A method to provide fractures in a formation includes providing a wellbore in the formation and providing a casing in the wellbore. The method also includes providing communication between an inside of the casing and the formation and initiating a fracture from the communication between the inside of the casing and the subterranean formation. The method further includes propagating the fracture with a fluid comprising mortar slurry. Prior to propagating the fracture with a fluid comprising mortar slurry, a fluid comprising acid is injected into the formation through the communication between the inside of the casing and the formation.

Abstract: A method for visualization of multi-dimensional geophysical data involves combining several attributes from multi-dimensional geophysical data or seismic data using color modeling techniques and provides for the interpretation of data more efficiently by a user. A color space is defined and multi-dimensional geophysical data attributes are created along with blending filters, such as asymmetric blending filters. Blended multi-dimensional geophysical data attribute cubes are created from the blending filters and the geophysical data attributes by making a prediction using a deep convolutional neural network trained via a backpropagation-enabled regression process.

Abstract: Process for preparing a hydrocracking catalyst carrier which process comprises subjecting a carrier comprising an amorphous binder and zeolite Y having a silica to alumina molar ratio of at least 10 to calcination at a temperature of from 700 to 900° C., hydrocracking catalyst carrier comprising amorphous binder and zeolite Y having a silica to alumina molar ratio of at least 10, the infrared spectrum of which catalyst has a peak at 3690 cm?1, substantially reduced peaks at 3630 cm?1 and 3565 cm?1 and no peak at 3600 cm?1, hydrocracking catalyst carrier comprising an amorphous binder and zeolite Y having a silica to alumina molar ratio of at least 10, which catalyst has an acidity as measured by exchange with perdeuterated benzene of at most 20 micromole/gram, hydrocracking catalyst derived from such carrier and hydrocracking process with the help of such catalyst.

Abstract: A self-activating catalyst for treating heavy hydrocarbon feedstocks that comprises a calcined particle treated with a sulfoxide compound in the presence of hydrogen. The calcined particle comprises a co-mulled mixture made by co-mulling inorganic oxide powder, molybdenum trioxide powder, and a nickel compound and then forming the co-mulled mixture into a particle that is calcined to thereby provide the calcined particle. The calcined particle comprises from 1 to 10 weight percent molybdenum and nickel that is present in an amount such that the weight ratio of said nickel-to-molybdenum is less than 0.4. The calcined particle has a pore size distribution that contributes to the unique properties of the catalyst. The enhanced self-activating catalyst is used in the hydroprocessing of heavy residue feedstocks that have high nickel, vanadium and sulfur concentrations.

Abstract: An ultra-stable catalyst composition for hydroprocessing hydrocarbon feedstocks and a method of making and use of the ultra-stable catalyst composition. The catalyst composition of the invention comprises a calcined mixture made by calcining a formed particle of a mixture comprising an inorganic oxide material, molybdenum trioxide, and a nickel compound; wherein the calcined mixture is further overlaid with a cobalt component and a molybdenum component to thereby provide the catalyst composition.

Abstract: A hydraulically actuated Jack And Pull (JAP) tubular expansion tool string comprises: an annular non-return valve arranged in the wall of the JAP string, which allows mud to flow from a surrounding annulus into the bore of the expansion tool string when the pressure in the bore of the tool string is lower than that in the annulus; a second non-return valve arranged in the JAP string below the annular valve which allows fluid to move down only; wherein during the cycling of the jack the annular non-return valve is continuously open and the second non-return valve cycles with the jack movement to inhibit curing of cement in the expansion tool string.

Abstract: A to be expanded tubular (4) can be locked to a previously installed host casing (2) using a self energizing top anchor (SETA) tool. This SETA tool has an anchoring section with a set of anchoring slips (1), and a centralizer which is connected to the body of the anchoring section. The anchoring slips (1) engage the host casing (2) once an expansion cone (3) presses the tubular against the shoulder of the centralizer. The SETA tool is further provided with a guide nose (7) to which a force transmission sub (8) is connected.

Abstract: A composition whereby a hydrocarbon-based base oil is used and in this base oil are incorporated, in terms of the total amount of the composition, 30 to 300 ppm of overbased calcium salicylate and, in net weight in terms of the total amount of the composition, 0.07 to 2.0 mass % of a non-dispersant polymethacrylate having a weight average molecular weight of 5000 to 200,000. The electrical conductivity at 25° C. of this composition is not less than 200 pS/m, the flash point is not less than 240° C., the pour point is ?40° C. or lower and the micro clutch friction coefficient at 140° C. is not less than 0.08. This lubricating oil composition may be used in machines fitted with electronic control apparatus and can impart conductivity so as to inhibit the occurrence of “noise” which is detrimental to electronic control.

Abstract: Low-water content organic phases can be difficult to achieve at high fluxes when water is present in an emulsified form, such as in a water-in-oil emulsion. Processes for de-emulsifying a fluid stream containing emulsified water, such as water-in-crude oil emulsions, include introduction of the fluid stream into a vessel that defines a coalescence zone. The vessel is configured to provide for simultaneous application of a centrifugal force and an electric field to the fluid stream within the coalescence zone. The simultaneous application of the centrifugal force and the electric field to the fluid stream provides for the coalescence of a portion of the emulsified water into a bulk aqueous phase. Continuous phases of the organic component and the bulk aqueous phase form in the coalescence zone and are separately removed from the vessel. The bulk aqueous phase is removed from the underside of the vessel.

Abstract: A method of producing normally solid, normally liquid and optionally normally gaseous hydrocarbons involves contacting a gas mixture comprising hydrogen and carbon monoxide with a catalyst under elevated temperature and pressure, to convert at least part of the hydrogen and carbon monoxide into hydrocarbons. An effluent is withdrawn from the reactor and subjected to a separation step to form at least a heavy fraction and a light fraction. The heavy fraction comprises normally solid hydrocarbons, while the light fraction comprises unconverted syngas and normally liquid and optionally normally gaseous hydrocarbons. The light fraction is sent to a light ends stripper operating at a temperature of maximally 200° C. to obtain a hydrocarbons fraction comprising normally liquid hydrocarbons. The heavy fraction is subjected to flash evaporation or steam stripping to obtain a hydrocarbon stream of normally solid hydrocarbons (comprising mainly C10+ hydrocarbons).

Abstract: The present invention relates to a method of cooling and separating a hydrocarbon stream: (a) passing an hydrocarbon feed stream (7) through a first cooling and separation stage to provide a methane enriched vapour overhead stream (110) and a methane depleted liquid stream (10); (b) passing the methane depleted liquid stream (10) to a fractionation column (200) to obtain a bottom condensate stream (210), a top stream enriched in C1-C2 (220) and a midstream enriched in C3-C4 (230), (c) cooling the upper part of the fractionation column (201) by a condenser (206), (d) obtaining a split stream (112) from the methane enriched vapour overhead stream (110) and obtaining a cooled split stream (112?) by expansion-cooling the split stream (112), (e) providing cooling duty to the top of the fractionation column (201) using the cooled split stream (112?).

Abstract: The invention provides a process for preparing a hydrowax comprising the steps of: (a) providing a hydrocarbonaceous feedstock which contains more than 4% by weight of hydrocarbons boiling in the range of from 550 to 800° C.; (b) hydrotreating the hydrocarbonaceous feedstock with a hydrotreating catalyst in the presence of a hydrogen-containing gas under hydrotreating conditions to obtain a hydrotreated product; (c) hydrocracking at least part of the hydrotreated product as obtained in step (b) with a hydrocracking catalyst in the presence of a hydrogen-containing gas under hydrocracking conditions to obtain a hydrocracked product, which hydrocracking catalyst contains a zeolitic component which is present in an amount of at least 14 wt %, based on the total weight of the hydrocracking catalyst, and wherein the volume ratio of the hydrotreating catalyst as used in step (b) and the hydrocracking catalyst is more than 1; and (d) recovering from the hydrocracked product as obtained in step (c) the hydrowax.

Abstract: The present invention relates to a method for treating a waste water stream. Said waste water comprises hydrocarbons and oxygenates such as alcohols, aldehydes, ketones, carboxylic acids, and has a COD of up to 5 wt %. The invention relates to a distillation column for treating a waste water stream and a system for treating a waste water stream.

Abstract: Disclosed is a process for the extraction of furfural which includes: (a) subjecting a composition comprising furfural, water, at least one acid and an aromatic solvent, with a boiling point higher than that of furfural, to a first separation step providing: (i) an organic phase, and (ii) an aqueous phase; (b) subjecting the aqueous phase of step (a) to a first distillation step to provide: (i) a first in top stream comprising a furfural-water azeotrope; (c) subjecting the first top stream of step (b) to a second separation step to provide: (i) a second top stream comprising a portion of the furfural-water azeotrope; (d) subjecting the second top stream of step (c) to a second distillation step to provide: (i) a third top stream enriched with the furfural-water azeotropic mixture; (e) subjecting the organic phase of step (a) to a third distillation step to provide: a fourth top stream comprising furfural.

Abstract: The invention provides a control system and method for limiting vibrations in a tool string system, comprising a relatively heavy rotatable device, such as a pump system or a bottom hole assembly, connected to a long rotatable tool string driven by a drive system. The control system comprises feedback of both torque and rotational speed signals to correct the set rotational speed. An objective is to maintain the drive speed over torque ratio equal to the connected tool string impedance. A secondary objective, for lower frequencies, is to approach and maintain a setpoint speed as drive rotation speed. The system may include a rotational speed sensor and a torque sensor, with the latter optionally replaced by a motor torque signal already available from a variable frequency drive (VFD) for an AC motor and the current safeguarding signal for a DC motor.

Abstract: Low sulphur marine fuel compositions are provided. Embodiments comprise 10 to 50 wt % of a residual hydrocarbon component, with the remaining 50 to 90 wt % selected from a non-hydroprocessed hydrocarbon component, a hydroprocessed hydrocarbon component, and a combination thereof. Embodiments of the marine fuel composition can have a sulphur content of about 0.1 wt % or less.