17 results about "Crude oil" patented technology

A method and system for treating a portion of a hydrocarbon-bearing formation of a crude oil reservoir containing heavy hydrocarbons using a microwave enhanced heavy hydrocarbon recovery system includes forming a horizontal injection well having an injection horizontal run, forming a horizontal microwave source well having a microwave source horizontal run, forming a horizontal production well having a production horizontal run, introducing a treatment fluid into the crude oil reservoir through the horizontal injection well, introducing a microwave antenna having a microwave emitter into the horizontal microwave source well, introducing electrical power to the microwave emitter such, forming a microwave energy field which reduces the viscosity of the heavy hydrocarbons and forms a production fluid forms, and extracting the production fluid through the horizontal production well. The injection horizontal run is positioned below both the microwave source horizontal run and the production horizontal run.

The invention discloses a method for preparing hydrogen by utilizing waste biomass, and the method comprises the following steps of: firstly, processing the waste biomass into semi-finished product fluid slurry; then, carrying out water vapor gasification treatment on the semi-finished product fluid slurry, thus obtaining crude oil; carrying out supercritical water gasification treatment on the crude oil, thus obtaining crude bio-gas; and finally, carrying out low-temperature transformation treatment on the crude bio-gas, thus obtaining transformed gas. The hydrogen is prepared by two-step gasification and low-temperature transformation, so that the biomass gasification efficiency is high, tar carbon deposit blockage can be avoided, continuous feeding is realized, and the prepared hydrogen is high in purity; furthermore, in the low-temperature transformation treatment, precious metals and rare-earth elements are added on the basis of a copper-zinc-aluminum catalyst, so that the reaction temperature is remarkably reduced, the activity and stability of the catalyst are improved, and the conversion rate of CO is high during the low-temperature transformation treatment.

The invention discloses a nondestructive detection system for the state of a crude oil tank bottom plate corrosion product. The system comprises an electrochemical impedance spectrum acquisition subsystem (1), an acoustic emission burst information acquisition subsystem (2) and a crude oil tank sedimentation water bottom plate corrosion product state judgment subsystem (3). The generation, dissolution and fracture situations of a corrosion product film on a bottom plate in a crude oil tank under the corrosion environment of sedimentation water are obtained by analyzing electrochemical impedance spectra and acoustic emission energy spectra under the acquisition time, so that the stress corrosion situation and the damage situation of the bottom plate in the crude oil tank can be judged, and the loss of equipment and economy due to stress corrosion is reduced.

The invention provides a construction process for a gas producing system in an oil well layer, and relates to the technical field of oil well single-well production increase. The construction process comprises the following steps that: firstly, anti-gas channeling agents are used for sealing and blocking the high-permeability formation; the construction effect reduction due to the onrush of gas producing agents injected in the later period can be prevented; two kinds of gas producing agents capable of producing CO2 through reaction are used and are sequentially injected into the formation, so that a great amount of generated CO2 is mixed with crude oil in the formation; the formation energy is increased; the organic blockage and the inorganic blockage of a near-well zone are relieved; the oil-water fluidity ratio is improved; and the permeability of the near-well zone is improved, so that the goal of improving the single-well productivity is achieved. The construction process can better solve the problems of corrosion and scale formation on oil well equipment, pollution on a gas source, storage and transportation and environment and the like during the CO2 throughput process can be well solved; and the advantages of simple construction, low cost, safety, environment protection and the like are realized.

A dual-purpose tank container is provided, designed for transporting unrefined or refined fluid within the same internal space, eliminating unproductive deadheading. The tank container includes an inner tank in a frame, and outer insulation shell, the tank being equipped with at least one diaphragm so that a fluid, for example crude oil or diesel fuel, can occupy inner space without risk of contamination from a residual fluid. The high viscosity unrefined fluid can be almost completely drained using fluid draining channels present on the diaphragm surface, increasing transportation economy and eliminating any residual fluid pockets. At least one inlet present on the upper tank body supplies a solvent vapor/fluid to condition the space between the diaphragm and the tank wall, thereby preventing sticking of the diaphragm to the tank inner surface.

The invention discloses an online analysis device and method for crude oil mining measurement and moisture contents. The online analysis device for crude oil mining measurement and moisture contents comprises an oil feeding pipeline, an oil storage vat, a measurement vat, a sampling vat, an analysis meter and an electronic control instrument box, wherein the oil storage vat is connected with the oil feeding pipeline; the measurement vat is connected with the oil storage vat through a measurement valve; the measurement vat is internally provided with a liquid level meter; the measurement vat isconnected with an oil storage pipeline; the sampling vat is connected with the measurement vat; the oil discharging pipeline of the sampling vat is connected with the oil inlet of the analysis meter;the oil outlet of the analysis meter is connected with the oil storage pipeline; the electronic control instrument box comprises an electronic control device; and the liquid level meter, the measurement valve, an oil discharging valve, the controller of the analysis meter and the rotation mechanism of the sampling vat are independently connected with the electronic control device. Through the technical scheme of the invention, the problem of oil field single-well measurement defects is solved, the device is convenient and quick in operation, has a simple and practical structure, effectively lowers cost, realizes an unattended operation and remote conveying, and improves practicality and generalization performance.

The invention provides an automatic refined sesame oil separating device, which comprises a wide-mouth container, a slapping device arranged on the inner side of the wide-mouth container and a driving mechanism used for driving the slapping device to vibrate up and down, wherein the slapping device is a vessel with an arc bottom and an upward opening, a plurality of oil spilling openings are formed in the circumferential wall, which is close to the opening end, of the slapping device at intervals in the circumferential direction, flow baffles are arranged on the inner side of the slapping device and located below the oil spilling openings in the circumferential direction of the inner wall of the slapping device, the flow baffles are arc-shaped plates or bow-shaped plates which are bent from the side wall of the slapping device to the center of the slapping device, and the convex surfaces of the flow baffles face upwards. The device can effectively reduce the content of hemp residues in oil and improve the purity of crude oil.

The invention relates to a method of stabilizing the bonding agent gelation time in the consolidation of a geological formation in the presence of one or more catalytically active substances, in which method a bonding agent is infiltrated into the formation, a portion of the infiltrated bonding agent is optionally expelled by flushing with a gas or a liquid, and the bonding agent remaining in the formation is cured. the bonding agent comprises a mixture of a) a heterocondensate, obtainable by hydrolysis and condensation of at least one hydrolyzable silicon compound and at least one metal, phosphorus or boron compound, the metal being selected from Al, Ge, Sn, Pb, Ti, Mg, Li, V, Nb, Ta, Zr and Hf, B) at least one organic polymerizable monomer or oligomer comprising a C-C double bond, and C) at least one thermal polymerization initiator without peroxide function.

The invention provides an SAGD (Steam Assisted Gravity Drainage) thick oil dehydration method. The method can meet the treatment requirements of asphalt oil and associated gas in small oil sand development. The dehydration process implemented by the method mainly comprises the steps of diluent mixing, oil-water separation, flash evaporation and diluent recovery. Thick oil and a diluent are mixed and then subjected to three-stage treatment including thermochemical dehydration, electric dehydration and flash evaporation, the water content of crude oil can meet the requirement of being lower than 0.3%, and the saturated vapor pressure of the crude oil is qualified. Light components obtained by flash evaporation can be recycled as a diluent after being condensed and recovered, so that the consumption of the diluent is reduced. The technological process provided by the method is flexible and compact, the occupied area is small, equipment can be repeatedly utilized, and the method has great value for rolling type development of oil sand marginal reserves.

The invention discloses a graphene adsorbent for crude oil desulfurization. The graphene adsorbent for the crude oil desulfurization is prepared from the following raw materials in parts by weight: 2.4 to 3.2 parts of diethanolamine, 10 to 18 parts of graphene, 1.5 to 2.5 of bismuth oxide, 2 to 4 parts of iron oxide, 2.2 to 3.6 parts of alumina, 0.6 to 1.5 parts of sodium nitrite, 4 to 8 parts ofacetaldehyde, 46 to 63 parts of ethylene glycol, 1.8 to 5 parts of polyacrylamide, 5 to 10 parts of strong alkali solution, 1.6 to 3 parts of surfactant, 2 to 3 parts of phenol and 6.5 to 9 parts of radix isatidis. The graphene adsorbent for the crude oil desulfurization has wide raw material sources, the specific surface area of the graphene is improved by supporting inorganic oxide on the graphene, the graphene is modified by using a strong alkali, sodium nitrite and a surfactant to improve the surface activity of the graphene, and the adsorption to sulfides in crude oil is improved by combining the graphene adsorbent with other components.