Petrochina Company Limited

Air Products and Chemicals, Inc.

Jinghong Wang

Lianhua Hou

Caineng Zou

Ning Zhang

Jingwei Cui

Xia Luo

Wenxue Han

Zhongying Zhao

Aleksandar Georgi Slavejkov

Xiaoyi He

Lijun Zhang

Zhi Yang

Jin Cao

Haijun Yang

Luguang Li

Songtao Wu

Jingli Yao

Xinhua Ma

Weijie Hou

Ziyun Zhang

Suyun Hu

Futai Jing

Jinhua Fu

Xianyang Liu

Senhu Lin

The disclosure provides a method and apparatus for predicting an optimal exploitation approach for shale oil in-situ conversion. The method includes: determining a lower limit temperature required for completely converting convertible organic matter in a shale to be measured into oil and gas, based on a pre-established relationship between the temperature rise rate and the lower limit temperature; determining an optimal well distance of heating wells, based on a thermal field parameter of a target reservoir of interest, an optimal heating time corresponding to the lower limit temperature, and a pre-established relationship between an optimal well distance of heating wells and the optimal heating time; determining an oil yield equivalent based on a temperature and an oil yield equivalent of the shale; determining an optimal well pattern; the lower limit temperature, the optimal well distance of heating wells, the oil yield equivalent and the optimal well pattern are optimal parameters.

Method and apparatus for predicting optimal exploitation in shale oil in-situ conversion

The invention provides a method and an apparatus for determining an integrated exploitation approach for a shale and adjacent oil reservoirs. The method includes: determining a thickness of an effective shale, a top effective boundary and a bottom effective boundary of adjacent effective oil reservoirs; determining a maximum seepage radius of each of the adjacent effective oil reservoirs to the effective shale; determining a well pattern; determining a well completion approach; and determining a total number of perforation clusters of gas injection wells, a number of perforation clusters corresponding to each of the adjacent effective oil reservoirs, a gas injection amount per unit time of each of the perforation clusters, and a total gas injection amount per unit time of the gas injection wells. The effective shale is in communication with all the adjacent effective oil reservoirs by boring-through of a fluctuating horizontal well or a vertical well.

Method and apparatus for determining integrated exploitation approach of shale and adjacent oil reservoirs

There is an oil and gas zone effectiveness evaluation method. The oil and gas zone effectiveness evaluation method has the steps of: obtaining a controlling factor parameter distribution of a target interval; obtaining an evaluation parameter lower limit value of an industrial oil and gas reservoir; obtaining an accumulation parameter value of each grid coordinate point according to the controlling factor parameter distribution; obtaining an evaluation parameter processing value of each grid coordinate point according to the evaluation parameter, the evaluation parameter lower limit value and the accumulation parameter value of the grid coordinate point; and obtaining a zone evaluation value of the target interval according to the evaluation parameter processing value of the grid coordinate point. There also is an apparatus that is capable of improving the evaluation coincidence rate.

Oil and gas zone effectiveness evaluation method and apparatus

According to some implementations, the present disclosure relates to a method and apparatus for evaluating exploitation value of a geological resource. In one implementation, a method includes: acquiring geological parameters of a geological structure in multiple designated dimensions, wherein the geological parameters are used for characterizing a state of the geological structure in the designated dimensions; matching the geological parameters with a threshold of each of the designated dimensions, respectively, to obtain a characterization value of each of the designated dimensions; forming a characterization vector from the characterization values of the designated dimensions; and performing an evaluation operation based on the characterization vector to obtain an evaluation value of the geological resource in the geological structure. The exploitation value of a geological resource can be evaluated by taking the effect of a threshold of the geological resource on the exploitation value of the geological resource into full consideration.

Method and apparatus for evaluating exploitation value of a geological resource

The embodiments of the present disclosure provide a method and an apparatus for determining an oil output quantity and a gas output quantity of a shale oil in-situ conversion, wherein the method comprises: obtaining a plurality of groups of shale samples of a target stratum of a target area; determining, according to the plurality of groups of shale samples, a first retained oil quantity, a first retained gas quantity, a Ro parameter, an oil output quantity, a gas output quantity, a second retained oil quantity, and a second retained gas quantity of each group of shale samples in the plurality of groups of shale samples under each preset temperature; building an oil output quantity model and a gas output quantity model according to the above data to determine an oil output quantity and a gas output quantity of the target area. By introducing and using parameters such as the retained oil quantity, the retained gas quantity, the oil output quantity and the gas output quantity to build accurate oil output quantity model and gas output quantity model, the present disclosure solves the technical problem in the existing methods that the predicted development potential has a large error and a low accuracy, and achieve the technical effect of accurately predicting the development potential by determining the oil output quantity and the gas output quantity of the target area.

Method and apparatus for determining oil output quantity and gas output quantity of shale oil in-situ conversion

Embodiments of the present disclosure disclose a shale oil in-situ lightening development method, apparatus and system, wherein the method comprises: determining an effective shale interval according to an interval with a total organic carbon greater than a first lower limit value in a target stratum; determining a favorable region for shale oil in-situ lightening development according to a thickness of the effective shale interval and an effective layer thickness ratio, wherein the effective layer thickness ratio includes a ratio of the thickness of the effective shale interval to a thickness of a shale section, and the shale section includes the effective shale intervals and interlayers therebetween. By utilizing the embodiments of the present disclosure, the benefit of the shale oil in-situ lightening development can be improved.

Shale oil in-situ lightening development method, apparatus and system

An apparatus for heating vessels, the vessels having enclosed spaces therein and controlling air ingress into the enclosed spaces through gaps. The method includes providing a lid structure for the vessel having the enclosed space, the lid structure having a burner assembly mounted therein. The burner is configured to provide a predetermined flame diameter. The vessel and lid structure are mated such that the gap is formed between the vessel and the lid structure. Fuel and oxidant are discharged from the burner assembly under conditions to provide the predetermined flame diameter and impart a flame velocity sufficiently large to create an outward gas flow from the enclosed space through the gap and control air ingress.

Heating method and system for controlling air ingress into enclosed spaces

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Beijing, China

Jinghong Wang