4results about How to "Achieve metering" patented technology

The present application relates to a kind of oil well metering technical field, and is a kind of oil well production metering device, metering method, the former includes the pipeline expansion pipe being connected with upper chamber in the upper part of upper chamber, siphon pipe and communication pipe are arranged between upper chamber and lower chamber, siphon pipe inlet is connected with upper chamber, siphon pipe outlet is connected with lower chamber, siphon pipe upper portion elbow pipe is located in the upper part of upper chamber, water content measuring instrument is arranged on siphon pipe, liquid level sensing unit is set at the position corresponding siphon pipe upper portion elbow pipe and siphon pipe inlet in the inside or outside of upper chamber, the end of communication pipe is connected with upper chamber at the position higher than siphon pipe upper portion elbow pipe.The present application utilizes siphon principle to realize the change of oil well production output from irregular oil-gas mixed phase flow to regular gas or liquid single phase flow, realizes the metering of oil well production output, and the metering result can meet the accuracy required by oilfield geology, and the cost is low, safe and reliable, and the degree of automation is high.

The invention discloses a device and a method for evaluating the performance of a foam scrubbing agent and a defoaming agent under high-temperature and high-pressure conditions, and the device comprises a gas source control module, a liquid phase control module, a simulation shaft, a constant-temperature pool, a defoaming tank, an intermediate container, an injection pump and a visual constant-temperature box, the gas source control module and the liquid phase control module are respectively communicated with the bottom of the simulation wellbore through pipelines, the top of the simulation wellbore is communicated with the defoaming tank through a pipeline, and a connecting pipeline of the simulation wellbore and the defoaming tank passes through the constant-temperature pool; and the pipeline between the constant-temperature pool and the defoaming tank is communicated with an intermediate container for injecting a defoaming agent and an injection pump. The real output condition of a gas well is simulated, the real injection conditions of a foam scrubbing agent and a defoaming agent are simulated, and the performance of the foam scrubbing agent and the performance of the defoaming agent are integrally evaluated; stable output of a large amount of continuous high-pressure nitrogen is realized, and the stability of a gas source in a simulation evaluation process is ensured; gas-liquid separation and metering can be realized, the amount of defoaming liquid and the amount of non-defoaming liquid are distinguished, and quantitative evaluation of the defoaming property of the defoaming agent is completed.

The present application relates to the technical field of carbon emission, in particular to a park multi-energy network real-time carbon metering method and system, mainly comprising a unified factor calculation model of a construction node, a network transmission model and an energy storage system model; carbon emission responsibility balance relationship, effective energy power, equivalent carbon emission factor of energy supply node and equivalent carbon emission factor of energy storage node are obtained respectively, a carbon emission metering model is constructed, and carbon emission results are output based on terminal energy power data and equivalent carbon emission factor of each node. Through the above method, under the premise of known multi-energy physical energy flow, the carbon emission responsibilities in different energy forms such as electricity, gas, heat and cold are uniformly characterized as node carbon emission factor and branch carbon emission flow, the transfer and allocation of carbon emission responsibility in the multi-energy network are realized, thereby realizing the unified monitoring and metering of carbon emission in the form of park multi-energy, and providing a unified metering basis for overall carbon emission evaluation and management of zero-carbon park.

The invention discloses a gas-liquid two-phase flow measurement method based on a single-pore plate and an acoustic emission technology, and belongs to the field of gas-liquid two-phase flow measurement in the petroleum industry. The method comprises the following steps: mounting a single-pore plate at the section of a horizontal pipeline, and mounting acoustic emission sensors right above the horizontal pipeline and on the front side and the rear side of the single-pore plate respectively; differential pressure transmitter pressure measuring points are arranged below the front side and the rear side of the single-hole plate; the flow pattern of the gas-liquid two-phase flow is controlled, the known apparent liquid velocity VSL and the known apparent gas velocity VSG are input, and the VSL and the VSG are changed; calculating an effective voltage value RMS through the sound signal; fitting the obtained RMS with the VSL and the VSG to establish a correlation formula of the RMS, the VSL and the VSG; transforming the Linreligion differential pressure flow model containing the differential pressure delta Pm; obtaining expressions of VSL and VSG represented by RMS, delta Pm and fitting parameters under various flow patterns; and calculating the actual apparent liquid velocity and gas velocity by using the expression. The device has the advantages of being simple in structure, low in measurement cost, capable of achieving real-time measurement, non-invasive and the like.