4results about How to "Eliminate experimental error" patented technology

The invention belongs to the technical field of shale oil and gas development, and discloses a shale oil-gas-bearing potential multi-parameter collaborative evaluation method. The method integrates six experimental technologies of nitrogen adsorption, carbon dioxide adsorption, carbon and oxygen isotope, rock pyrolysis and XRD total rock / clay analysis, and comprises the core steps of obtaining multi-dimensional data such as a pore structure, mineral composition, organic matter characteristics, an isotope ratio and the like after standardized pretreatment of a shale sample, and performing parameter correction, weight distribution and collaborative modeling to obtain a shale sample. And quantifying the oil-gas potential index and grading. The method solves the problem that traditional single parameter evaluation is insufficient in accuracy, data are comprehensive and reliable, and key technical support is provided for shale oil and gas exploration and development and reservoir evaluation.

This invention provides a portable flotation aeration rate testing instrument and measurement method. The instrument includes a mechanical package and instruments installed within the mechanical package. The mechanical package includes a front cover, a middle cover, an inner cover, a rear cover, a battery cover, a variable diameter guide pipe, and an exhaust pipe. The front and rear covers are closed, with the middle cover located between them. The inner cover is fixed to the middle cover, and the battery cover is located inside the middle cover. The instruments include a miniature thermal flow meter, an LCD screen, a switch, a microcontroller, and a lithium battery power supply. The miniature thermal flow meter is fixed inside the middle cover with bolts, the LCD screen is fixed to the inner cover with adhesive, the switch is fixed to the inner cover, the microcontroller is fixed to the middle cover, and the lithium battery power supply is located inside the middle cover. This invention reduces testing steps and equipment weight during measurement, eliminates experimental errors caused by visual observation of liquid level changes and manual timing, avoids installing too many instruments, and saves costs.

The invention discloses an in-situ electric transport and quantum magnetics collaborative characterization system, and relates to the technical field of material physical property measurement under extreme conditions, the system comprises a multi-physics field coupling module, the multi-physics field coupling module comprises an extreme pressure device, a vector superconducting magnet and a low-temperature constant-temperature device, the extreme pressure device comprises a diamond anvil cell, and the vector superconducting magnet comprises a quantum magnetic field; comprising a nitrogen vacancy color center, an electrical probe and a microstrip transmission line, the cooperative detection module comprises a magnetic detection terminal and an electrical detection terminal and is used for detecting a magnetic signal of the sample to be detected and performing in-situ measurement so as to characterize the electrical transport property; and the position adjustment and vibration isolation module comprises a vibration isolation platform, and the extreme pressure device and the magnetic detection terminal are jointly rigidly fixed on the vibration isolation platform so as to ensure the alignment stability of the micron-sized optical path. According to the invention, the submicron-level optical alignment stability can be realized while accurate loading in a low-temperature, high-intensity magnetic field and high-pressure environment can be ensured, so that the isotactic in-situ electric-magnetic collaborative data with a high signal-to-noise ratio can be obtained.

The present application relates to a kind of soil heavy metal with water migration quantitative prediction experimental equipment and method, belong to heavy metal with water migration experimental equipment field, including soil model preparation device, soil sample collection device and heavy metal detection device, soil model preparation device is by successively connected liquid storage barrel, first stirring barrel, drying barrel with heating function, second stirring barrel and soil forming barrel Composition, can complete soil and heavy metal liquid mixing, drying, secondary stirring and compaction forming, prepare the soil model with heavy metal;Soil sample collection device can be layered sampling to the multiple depth layer, multiple annular array sampling point around soil model leaching water place;Heavy metal detection device is made into target mixture by detecting box crushing, stirring soil sample, with heavy metal sensor detection sample heavy metal content, can realize the quantitative prediction experimental detection of soil heavy metal with water migration.