94 results about "Fluid inclusions" patented technology

The invention provides a gas chromatography system for determining gas components in fluid inclusion, which adopts a modified gas chromatograph to extract trace gas from a small amount of samples (0.1g) in fluid inclusion for analysis with high sensitivity and good reproducibility. The content of H2, O2, N2, CO, CH4, CO2, H2O, C2H2, C2H6, and C3H8 can be measured through one sample injection and one bursting, and the analysis test efficiency is remarkably improved. Moreover, compared with conventional method, the invention is characterized in that not only the relative mol concentration of each component but also the absolute content can be determined, wherein the actual water amount can be combined with the liquid components in fluid inclusion to achieve the actual concentration of each ion in fluid inclusion, thus it is possible to provide more precise and direct data for the research on fluid inclusion.

The invention relates to a method for determining the vapor-liquid ratio of a fluid inclusion based on laser Raman Mapping. Three-dimensional component test analysis is realized through a laser Raman automatic sample bench (three directions comprising X-axis, Y-axis and Z-axis). The method comprises the following steps: obtaining the distribution of the vapor phase and liquid phase components of the fluid inclusion on a plurality of two-dimensional planes through the Mapping test analysis of the X-Y axis and the X-Z axis; obtaining three-dimensional metric parameters comprising the length, width and height of the inclusion according to the above constructed three-dimensional vapor phase and liquid phase component distribution; and utilizing an ellipsoid volume calculating formula to obtain the accurate volume ratio of the vapor part to the liquid part (the vapor-liquid ratio) of single fluid inclusion at a temperature (usually room temperature). The method is suitable for hydrocarbon inclusions, is also suitable for brine inclusions, and provides a new technological means for researching the temperature and pressure calculation of paleo-fluids.

The invention relates to a laser raman Mapping-based method for determining a vapor liquid ratio of a fluid inclusion. Component test and analysis of a three-dimensional space are achieved by an automatic sample stage (three directions of X, Y and Z axes) of laser raman. T method comprises the following steps: firstly, obtaining distribution of gas-phase and liquid-phase component spectrums of the fluid inclusion in a plurality of two-dimensional planes through Mapping test and analysis of an X-Y axis and an X-Z axis respectively; obtaining length, width and height three-dimensional measurement parameters of the inclusion by gas-phase and liquid-phase distribution of the built three-dimensional space on the basis; and obtaining accurate volume ratio, namely the vapor liquid ratio, of the gas part and the liquid part when the single fluid inclusion is at a certain temperature (room temperature usually) by further utilizing the spheroid volume calculation formula. The method can be applied to hydrocarbon inclusions, and also can be applied to saline inclusions, and new technological means is provided for researches such as paleofluid temperature and pressure calculation and the like.

A microscopic fluorescence spectrum measurement device of fluid inclusions includes a computer with the data processing, a fluorescence spectrophotometer which comprises an optical fiber base, a microscope objective and an inverted fluorescence microscope which is provided with a carrier at the interior, the invention is characterized in that the device further includes a high-precision adjusting bracket which is arranged on the inverted fluorescence microscope, a reflective microscope objective is arranged on the high-precision adjusting bracket, the reflective microscope objective is connected with an A port of a Y-shaped optical fiber cable, other two ports of a B port and a C port of the optical fiber cable are respectively connected with an optical fiber excitating port B and an optical fiber transmitting port C of the optical fiber base in the fluorescence spectrophotometer, and the reflective microscope objective is coaxial with the microscope objective of the inverted fluorescence microscope. The invention integrates the microscopic positioning, the single color excitation and the fluorescence collection into a whole, the structure is simple and reasonable, the regulation is easy, the cost is low, the device can measure the fluorescence spectra of single hydrocarbon inclusion and the groups, as well as the other inclusions including the biological materials.

The invention discloses a cone beam CT (Computed Tomography) local scanning imagery for fluid in pipelines, and relates to a nondestructive examination technology for pipelines in use. The method comprises the following steps: mounting a radiation source and an area-array detector on a round track coiled on a pipe wall before scanning, while scanning, making the radiation source and the area-array detector perform circular motion along the track around the pipeline during scanning, simultaneously, by flowing of fluid, obtaining equivalent spiral cone beam projection data of inclusions-containing fluid, and then, obtaining a three-dimensional image of the fluid inclusions in the to-be-detected pipeline by means of combining a spiral cone beam FDK (Feldkamp) image reconstruction algorithm with a local filter. Mechanical motion of such scanning mode is simple and easy to implement, and can easily adapt to field conditions of pipeline field in-use detection; local reconstruction image of the inclusions-containing fluid in the pipeline has good quality and high resolution.

The invention relates to a tunnel lining structure with a combined action of high-strength pre-pressing anchors rod and fluid inclusions. The tunnel lining structure comprises the fluid inclusions, the high-strength pre-pressing anchor rods and reinforced concrete linings which are in contact with tunnel surrounding rock, wherein the fluid inclusions are fixed around the tunnel surrounding rock with the high-strength pre-pressing anchor rods and the reinforced concrete linings, a pressure relief valve is arranged at one side of each fluid inclusion, and the fluid inclusions are provided with connection interfaces linked with other inclusions; the sides, facing the tunnel, of the liquid inclusions are provided with the reinforced concrete lininsg, the reinforced concrete linings are fixed by the high-strength pre-pressing anchor rods, and every two adjacent liquid inclusions are detachably assembled and connected through connecting interfaces arranged at the side edges. The tunnel lining structure can solve the problem that in the prior art, the possibility of local deformation of the tunnel is greatly reduced while the requirements of tunnel lining are met, and it is guaranteed that a support structure can not to be deformed due to local large surrounding rock stress.

The invention discloses a paleopressure calculation method for a tight reservoir based on the thermal dynamics of fluid inclusions. Based on the tight reservoir, the internal relationship between theuniform temperature of the fluid inclusions and the bubble filling degree of the tight reservoir is used fully, a calculation model based on the mole fraction and the bubble filling degree of oil inclusions in the tight reservoir is constructed, then the paleopressure of the tight reservoir is calculated, and a technical support for improving the geological evaluation of the tight reservoir is provided while improving the calculation precision of the paleopressure of the tight reservoir. The paleopressure calculation method for the tight reservoir based on the thermal dynamics of the fluid inclusions, for the first time in China, provides a method to calculate the paleopressure of the tight reservoir based on the uniform temperature and the bubble filling degree of the fluid inclusions, and a fluid inclusion method can be used effectively to improve the calculation precision of the paleopressure in the tight reservoir.

The invention discloses an analysis device and an analysis method for quantitatively analyzing fluid inclusion water. The analysis device comprises a quantitative analysis part used for drawing a standard working curve, wherein the quantitative analysis part comprises a collection pipe and a glass guide pipe; a connector I is arranged at one end of the glass guide pipe; a connector II is arranged at the other end of the glass guide pipe; the collection pipe is connected with the connector I of the glass guide pipe; the connector II is connected with an SV3 gas control valve through a communication pipeline; the glass guide pipe communicates with a valve connector; and the valve connector matches with the valve. The analysis method comprises the steps of freezing and vacuumizing the glass guide pipe added with high-purity water by using liquid nitrogen; when the vacuum degree meets the requirement, replacing liquid nitrogen with dry ice, and performing freezing and vacuumizing; and moving away the dry ice, and testing and drawing the standard working curve by using a quadrupole mass spectrometer. The liquid nitrogen freezing is adopted for preventing volatilization of a micro-sample and impurities are discharged by using the dry ice. A new method for accurately performing quantitative analysis on the fluid inclusion water is provided and has an important significance for researching components, sources and evolution of fluids and deep interpretation of ore genesis in geological evolution at different stages.

The present invention relates to a sample chamber for laser ablation analysis of fluid inclusions, comprising a sample cell having a sample cell through-hole extending along the vertical direction and a sample channel extending through the sample cell in a direction transverse to the vertical direction and communicating with the sample cell through-hole. A transparent element is arranged on each of the top and bottom sides of the sample cell through-hole, and is fixed to the sample cell through a fixing ring. The sample chamber further comprises a base comprising a viewing hole and a receiving portion for receiving the sample cell, wherein the viewing hole is coaxially aligned with the sample cell through-hole when the sample cell is placed within the receiving portion. According to the sample chamber of the present invention, it is only necessary to change the sample cell during replacement of the sample chamber, which leads to a convenient operation. At the same time, light from the microscope can pass through the viewing hole, so that the effect of observation is improved.

The invention belongs to the technical field of sandstone type uranium ore, and particularly relates to a spatial positioning method for oil and gas dissipation and sandstone type uranium ore body in a multi-energy basin, which utilizes an improved fluid inclusion indirect dating method to accurately determine the time of oil gas dissipation to a uranium ore-bearing layer. The metallogenic age of the sandstone type uranium ore is determined through a total rock or uranium ore U-Pb isotope isochrone dating method, a time sequence of oil and gas dissipation and uranium metallogenic is established, and positioning marks of the uranium ore body under different conditions are determined by combining geological response research of the oil and gas dissipation process. According to the method, direct and indirect marks of oil and gas dissipation, large-scale oil and gas dissipation time and uranium mineralization age are researched, and the influence of large-scale oil and gas dissipation on formation and positioning of the sandstone type uranium ore is found out by combining the effect of oil and gas on uranium precipitation and enrichment; and the prospecting efficiency and precision of the sandstone type uranium ore in the oil-uranium symbiotic multi-energy basin are improved.

The invention relates to a self-activation flotation method for a component of a fluid inclusion of a copper sulfide ore. Specific to the 'rich sulfur' state formed by surface relaxation of the copper sulfide ore, by utilizing the characteristics that copper ions released by the fluid inclusion of the copper sulfide ore have ultrahigh adsorption activity on a 'rich sulfur' surface, the copper ions of the component of the fluid inclusion are attached to a new surface of the copper sulfide ore so as to form a 'rich copper' surface, so that the adsorption activity of the surface of the copper sulfide ore to xanthate anions is increased, the self-activation flotation for the surface of the copper sulfide ore is realized, the flotation recovery of the copper sulfide ore is increased, the dosage of collecting agents is reduced and the technical and economic targets are increased.