8 results about "Oil generation" patented technology

The invention relates to a method for decoupling organic matter primary-secondary cracking hydrocarbon generation conversion rate based on a gold tube hydrocarbon generation thermal simulation experiment. The method comprises the following steps: step 1, acquiring kerogen gold tube hydrocarbon generation thermal simulation experiment data; step 2, parametric modeling of the kerogen hydrocarbon generation process; step 3, constructing a least square target model under a multi-constraint condition; step 4, performing nonlinear least square optimization solution under the constraint condition; and 5, calculating the hydrocarbon generation conversion rate. According to the method, conversion rate calculation is carried out on the cumulant of each hydrocarbon generation process obtained through decoupling, the conversion rate evolution rule of the kerogen oil generation, gas generation, crude oil cracking gas generation, non-reactive carbon formation and other processes along with maturity change in the crude oil cracking process can be obtained, and a quantitative basis is provided for refined hydrocarbon generation evaluation.

The invention relates to a method for decoupling organic matter primary-secondary cracking hydrocarbon generation conversion rate based on gold tube hydrocarbon generation thermal simulation-solid product pyrolysis experiment. The method comprises the following steps: step 1, kerogen gold tube hydrocarbon generation simulation and solid product rock pyrolysis experiment data acquisition; step 2, parametric modeling of the kerogen hydrocarbon generation process; step 3, constructing a least square model of multi-source experimental information collaborative constraint; 4, carrying out optimization solution under a multi-source experiment information collaborative constraint condition; and 5, calculating the hydrocarbon generation conversion rate. According to the method, conversion rate evolution characteristics of each hydrocarbon generation process are quantitatively represented, conversion rate calculation is performed on cumulant of each hydrocarbon generation process obtained through decoupling, and conversion rate evolution rules of kerogen oil generation, kerogen gas generation, crude oil cracking gas generation, non-reactive carbon formation and other processes along with maturity changes in the crude oil cracking process can be obtained; and a quantitative basis is provided for refined hydrocarbon generation evaluation.

The application relates to a method for decoupling primary-secondary cracking hydrocarbon generation conversion rates of organic matter based on a gold tube hydrocarbon generation thermal simulation-solid product pyrolysis experiment, which comprises the following steps: step 1, kerogen gold tube hydrocarbon generation simulation and solid product rock pyrolysis experiment data acquisition; step 2, parameterized modeling of the kerogen hydrocarbon generation process; step 3, construction of a least square model cooperatively constrained by multi-source experimental information; step 4, optimization solution under the cooperatively constrained condition of multi-source experimental information; and step 5, hydrocarbon generation conversion rate calculation. The application quantitatively characterizes the conversion rate evolution characteristics of each hydrocarbon generation process, and through conversion rate calculation on the cumulative amount of each hydrocarbon generation process obtained by decoupling, the conversion rate evolution law of the kerogen oil generation, gas generation and oil cracking process, the oil cracking gas formation and the unreactive carbon formation process with the change of the maturity can be obtained, and a quantitative basis for fine hydrocarbon generation evaluation is provided.

The invention relates to the technical field of hydrocarbon source rock evaluation standard establishment methods, in particular to a hydrocarbon source rock evaluation standard establishment method based on rock pyrolysis, which comprises the following steps: based on five original parameters obtained by pyrolysis, calculating six derived parameters including total organic carbon content, hydrogen index, hydrocarbon source rock oil production rate, hydrocarbon potential, effective carbon content and residual carbon content; establishing an evaluation standard of the hydrocarbon source rock according to the organic matter abundance, the organic matter type and the maturity, wherein evaluation parameters of the organic matter abundance comprise the total organic carbon content and the hydrocarbon production potential quantity; the evaluation parameters of the organic matter type comprise a hydrogen index and a hydrocarbon source rock oil generation rate; the maturity evaluation parameters comprise a pyrolysis temperature peak value of kerogen cracked hydrocarbon. According to the method, the evaluation standard of the hydrocarbon source rock is established, evaluation is carried out from the three aspects of organic matter abundance, organic matter type and maturity, technical guarantee is provided for exploration, development and evaluation of the hydrocarbon source rock, and the method is particularly suitable for evaluation of tight oil hydrocarbon source rock.

The present application belongs to the field of oil and gas geochemistry and petroleum geological exploration technology, and particularly relates to a method for evaluating early hydrocarbon generation potential of source rocks in a salinization lake basin, comprising the following steps: step S10, obtaining source rock samples of a target layer and measuring resin content, organic sulfur to organic carbon atomic ratio and gammacerane index of the source rock samples; step S20, respectively normalizing the resin content, organic sulfur to organic carbon atomic ratio and gammacerane index; step S30, calculating an early hydrocarbon generation potential comprehensive index based on the normalized parameters; and step S40, evaluating early hydrocarbon generation potential of the source rocks according to the calculated early hydrocarbon generation potential comprehensive index. The present application integrates three core geochemical parameters for characterizing early hydrocarbon generation precursors, hydrocarbon generation promotion mechanisms and salinization preservation environments, constructs a comprehensive evaluation model, and realizes accurate prediction and grade division of oil generation capacity of the source rocks at a low maturity stage.

This application relates to a method for decoupling the primary-secondary pyrolysis hydrocarbon generation conversion rate of organic matter based on a gold tube hydrocarbon generation thermal simulation experiment. The method includes the following steps: Step 1, acquiring thermal simulation data of kerogen gold tube hydrocarbon generation; Step 2, parametric modeling of the kerogen hydrocarbon generation process; Step 3, constructing a least-squares objective model under multiple constraints; Step 4, nonlinear least-squares optimization solution under constraints; and Step 5, calculating the hydrocarbon generation conversion rate. By calculating the conversion rate of the cumulative amounts of each decoupled hydrocarbon generation process, this invention can obtain the evolution law of conversion rate changes with maturity for processes such as kerogen oil generation, gas generation, and crude oil pyrolysis into gas and non-reactive carbon formation during crude oil pyrolysis, providing a quantitative basis for refined hydrocarbon generation evaluation.

The utility model discloses a stable type reduces the filter support structure of oil loss, include: annular support frame, filter screen, filter screen fixed setting in annular support frame, four L shape support plate, four L shape support plate ring is equipped on the downside wall of annular support frame. Compared with prior art, through the buffer assembly that sets up, can protect the junction of filter screen and annular support frame, and the buffer flow guide ring can guide the oil to the filter screen center part, avoid the direct impact of oil junction, significantly reduce the risk of fracture due to the impact of junction, improve the service life of filter screen, ensure the stability of the filtering effect, and further reduce the oil loss, through the four L shape support plate that sets up, can the impact of oil generation be scattered to four L shape support plate, avoid annular support frame stress alone, greatly improve the stability of whole support structure, effectively prevent structure loose, displacement etc.

The invention belongs to the technical field of straw pyrolysis, and particularly relates to a method for directionally producing ketoaldehyde-rich pyrolytic oil through self-heating corn straw pyrolysis, which comprises the following steps: S1, cutting naturally aired corn straws into segments, and crushing the segments into straw particles, S2, carrying out acid pickling on the straw particles by using a 1% diluted hydrochloric acid solution, s3, carrying out liquid-solid separation on the straw particles after acid pickling, and baking the straw particles by using high-temperature flue gas to further reduce the water content of the raw materials, and S4, feeding the straw particles subjected to baking pretreatment into a high-temperature pyrolyzing furnace through a two-stage feeder, fully mixing with a heat carrier from a heat carrier heating furnace for pyrolysis, and S5, the pyrolysis gas, the pyrolysis carbon and the heat carrier enter a pyrolysis product separation box for efficient separation. According to the method, through accurate catalyst selection and rapid pyrolysis condition control, a reaction path is guided to ketoaldehyde pyrolytic oil generation, the additional value of the pyrolytic oil is remarkably improved, and low-quality fuel is converted into a chemical raw material.